Tandem Diabetes CareTNDM
13F holders, Q1 2026 (March 31)274holders +5
40new positions
32sold out
7famous investors
$19.18avg. 13F price*
At the end of Q1 2026, 274 institutions reported holding Tandem Diabetes Care Inc. (TNDM) in their 13F filings, up 5 from Q4 2025. 40 opened new positions and 32 sold out. The largest holders were BlackRock, Inc. ($204.9M), Sessa Capital IM, L.P. ($90.7M) and Vanguard Portfolio Management LLC ($76.6M). 7 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Tandem Diabetes Care Inc.
- CUSIP
- 875372203
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 40 | $74.4M |
| Exits | 32 | $27.7M |
All 13F filers, Q4 2025 → Q1 2026: 12,267,607 shares bought and 7,670,432 shares sold, net +4,597,175 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 274 holders
| BlackRock, Inc. | 0.00% | Reduce -4.1% | 10,690,844 | $204.9M |
| Sessa Capital IM, L.P. | 1.73% | Reduce -5.4% | 4,730,757 | $90.7M |
| Vanguard Portfolio Management LLC | 0.00% | — | 3,993,333 | $76.6M |
| ArrowMark Colorado Holdings LLC | 1.58% | Add +7.4% | 3,103,609 | $59.5M |
| Vanguard Capital Management LLC | 0.00% | — | 3,038,919 | $58.3M |
| GW&K Investment Management, LLC | 0.45% | Add +0.5% | 2,689,106 | $51.5M |
| State Street Corp. | 0.00% | Add +0.8% | 2,662,260 | $51.0M |
| Driehaus Capital Management LLC | 0.32% | Add +43.1% | 2,304,414 | $44.2M |
| Goldman Sachs Group Inc. | 0.01% | Add +31.8% | 2,218,922 | $42.5M |
| Citadel Advisors | 0.03% | Add +5.0% | 2,192,667 | $42.0M |
| UBS Group AG | 0.01% | Add +390.1% | 2,047,801 | $39.3M |
| Paradice Investment Management LLC | 7.35% | Reduce -1.7% | 2,042,425 | $39.2M |
| Two Sigma Investments, LP | 0.03% | Add +55.1% | 1,864,194 | $35.7M |
| Geode Capital Management, LLC | 0.00% | Add +1.9% | 1,679,863 | $32.2M |
| Jennison Associates LLC | 0.02% | Reduce -17.9% | 1,658,448 | $31.8M |
| Jacobs Levy Equity Management, Inc. | 0.12% | Reduce -7.8% | 1,523,946 | $29.2M |
| Marshall Wace, LLP | 0.03% | Add +64.8% | 1,442,472 | $27.7M |
| Morgan Stanley | 0.00% | Reduce -34.8% | 1,357,542 | $26.0M |
| Freestone Grove Partners LP | 0.18% | Reduce -7.8% | 1,330,742 | $25.5M |
| First Light Asset Management, LLC | 2.26% | Add +20.7% | 1,314,715 | $25.2M |
| Baillie Gifford & Co. | 0.02% | Reduce -4.9% | 1,089,393 | $20.9M |
| Wellington Management Group LLP | 0.00% | Add +960.7% | 1,042,764 | $20.0M |
| Voya Investment Management LLC | 0.02% | Add +151.7% | 804,137 | $15.4M |
| D. E. Shaw & Co. | 0.01% | Reduce -8.2% | 783,906 | $15.0M |
| Soleus Capital Management, L.P. | 0.61% | New | 783,000 | $15.0M |
| Defilade Capital Management, L.P. | 2.05% | New | 761,905 | $14.6M |
| Millennium Management | 0.01% | Add +30.5% | 761,672 | $14.6M |
| FMR LLC | 0.00% | Add +6.2% | 714,011 | $13.7M |
| Northern Trust Corp. | 0.00% | Add +2.2% | 706,609 | $13.5M |
| Royce & Associates LP | 0.13% | Add +7.1% | 696,590 | $13.4M |
| Quantinno Capital Management LP | 0.02% | Add +123.5% | 653,870 | $12.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.6% | 642,598 | $12.3M |
| ExodusPoint Capital Management, LP | 0.12% | New | 632,899 | $12.1M |
| Holocene Advisors, LP | 0.02% | Add +2807.5% | 477,359 | $9.2M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 471,658 | $9.0M |
| Aberdeen Group plc | 0.01% | Reduce -20.7% | 434,027 | $8.3M |
| Barclays PLC | 0.00% | Reduce -54.1% | 421,236 | $8.1M |
| Point72 Asset Management | 0.01% | New | 420,478 | $8.1M |
| Frontier Capital Management Co. LLC | 0.08% | Reduce -3.6% | 397,209 | $7.6M |
| Bank of America Corp. | 0.00% | Reduce -46.9% | 373,224 | $7.2M |
| Nuveen, LLC | 0.00% | Reduce -35.4% | 363,802 | $7.0M |
| JPMorgan Chase & Co. | 0.00% | Add +2.4% | 349,792 | $6.9M |
| DAFNA Capital Management LLC | 1.57% | No change | 355,208 | $6.8M |
| First Trust Advisors LP | 0.00% | New | 342,707 | $6.6M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.9% | 336,291 | $6.4M |
| AQR Capital Management | 0.00% | Reduce -2.3% | 331,916 | $6.4M |
| Principal Financial Group Inc. | 0.00% | Add +2.2% | 331,541 | $6.4M |
| Invesco Ltd. | 0.00% | Add +5.9% | 294,052 | $5.6M |
| Acadian Asset Management LLC | 0.01% | Reduce -29.2% | 278,116 | $5.3M |
| Sector Gamma As | 1.21% | No change | 267,091 | $5.1M |
| Edmond DE Rothschild Holding S.A. | 0.07% | No change | 258,200 | $4.9M |
| Beaconlight Capital, LLC | 2.74% | New | 253,877 | $4.9M |
| Trexquant Investment LP | 0.03% | Add +142.7% | 249,298 | $4.8M |
| Envestnet Asset Management Inc. | 0.00% | Add +9.7% | 243,248 | $4.7M |
| Public Sector Pension Investment Board | 0.01% | Add +3.4% | 242,596 | $4.7M |
| BNP Paribas Financial Markets | 0.00% | Reduce -83.3% | 208,713 | $4.0M |
| Susquehanna Portfolio Strategies, LLC | 0.06% | Add +210.3% | 206,193 | $4.0M |
| Royal Bank of Canada | 0.00% | Reduce -1.2% | 206,033 | $3.9M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +42.6% | 193,556 | $3.7M |
| Rhumbline Advisers | 0.00% | Add +1.1% | 186,316 | $3.6M |
| Assenagon Asset Management S.A. | 0.01% | Reduce -85.5% | 178,640 | $3.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +2.2% | 168,493 | $3.2M |
| Lisanti Capital Growth, LLC | 0.80% | Reduce -37.1% | 165,325 | $3.2M |
| Panagora Asset Management Inc. | 0.01% | Add +11.9% | 163,695 | $3.1M |
| Mizuho Markets Americas LLC | 0.08% | Add +8.8% | 157,362 | $3.0M |
| Legal & General Group Plc | 0.00% | Reduce -9.6% | 155,288 | $3.0M |
| Toronto Dominion Bank | 0.01% | New | 150,078 | $2.9M |
| Russell Investments Group, Ltd. | 0.00% | Add +3.8% | 133,596 | $2.6M |
| Swiss National Bank | 0.00% | No change | 133,300 | $2.6M |
| Raymond James Financial Inc. | 0.00% | Add +4.3% | 125,345 | $2.4M |
| Banque Pictet & Cie SA | 0.03% | Add +27.5% | 123,935 | $2.4M |
| Federated Hermes, Inc. | 0.00% | Add +495176.0% | 123,819 | $2.4M |
| Ameriprise Financial Inc. | 0.00% | Reduce -5.9% | 121,150 | $2.3M |
| Canada Pension Plan Investment Board | 0.00% | Reduce -33.3% | 118,439 | $2.3M |
| Algert Global LLC | 0.03% | Add +8.1% | 117,799 | $2.3M |
| Intech Investment Management LLC | 0.02% | Add +307.1% | 111,421 | $2.1M |
| Verition Fund Management LLC | 0.02% | Add +911.8% | 107,119 | $2.1M |
| Sei Investments Co. | 0.00% | Reduce -10.6% | 95,306 | $1.8M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +27.5% | 94,340 | $1.8M |
| PDT Partners, LLC | 0.11% | Reduce -15.0% | 93,805 | $1.8M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Reduce -1.9% | 87,357 | $1.7M |
| California State Teachers Retirement System | 0.00% | Add +30.8% | 84,255 | $1.6M |
| Alliancebernstein L.P. | 0.00% | Reduce -68.8% | 73,149 | $1.6M |
| Susquehanna International Group, LLP | 0.00% | Reduce -38.0% | 80,749 | $1.5M |
| Nierenberg Investment Management Company, LLC | 0.76% | Add +78.5% | 79,510 | $1.5M |
| Tudor Investment Corporation | 0.01% | Reduce -26.9% | 78,999 | $1.5M |
| Y-Intercept (Hong Kong) Ltd | 0.03% | Reduce -7.3% | 77,879 | $1.5M |
| Cerity Partners LLC | 0.00% | Reduce -0.7% | 76,228 | $1.5M |
| Rice Hall James & Associates, LLC | 0.08% | Add +16.8% | 72,878 | $1.4M |
| Formula Growth Ltd. | 0.61% | Reduce -0.1% | 70,828 | $1.4M |
| Prudential Financial Inc. | 0.00% | Add +6.8% | 69,404 | $1.3M |
| T. Rowe Price Associates Inc. | 0.00% | Add +20.9% | 68,661 | $1.3M |
| Citigroup Inc. | 0.00% | Add +272.1% | 68,346 | $1.3M |
| New York State Teachers Retirement System | 0.00% | Reduce -3.2% | 66,096 | $1.3M |
| Jones Financial Companies LLLP | 0.00% | Add +3638.0% | 58,388 | $1.2M |
| Cinctive Capital Management LP | 0.08% | New | 63,812 | $1.2M |
| Natixis Advisors, LLC | 0.00% | Add +7.1% | 61,084 | $1.2M |
| XTX Topco Ltd | 0.02% | New | 60,821 | $1.2M |
| Deutsche Bank AG | 0.00% | Add +11.8% | 60,629 | $1.2M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 58,288 | $1.1M |
| Renaissance Technologies | 0.00% | New | 58,227 | $1.1M |
| Jefferies Financial Group Inc. | 0.01% | New | 56,722 | $1.1M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -10.2% | 55,187 | $1.1M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -5.4% | 53,286 | $1.0M |
| Qube Research & Technologies Ltd | 0.00% | New | 51,961 | $996K |
| Twinbeech Capital LP | 0.10% | New | 51,366 | $985K |
| Legato Capital Management LLC | 0.09% | Reduce -31.0% | 50,085 | $960K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -2.9% | 45,256 | $868K |
| State of Wisconsin Investment Board | 0.00% | Reduce -1.2% | 42,578 | $816K |
| Orion Porfolio Solutions, LLC | 0.01% | Add +3.2% | 41,870 | $803K |
| Oppenheimer Asset Management Inc. | 0.01% | Add +7.5% | 40,791 | $782K |
| Ieq Capital, LLC | 0.00% | Add +43.5% | 39,007 | $748K |
| MetLife Investment Management, LLC | 0.00% | Reduce -0.7% | 38,808 | $744K |
| Brevan Howard Capital Management LP | 0.01% | Add +12.4% | 38,336 | $735K |
| Summit Trail Advisors, LLC | 0.01% | Add +9.3% | 37,743 | $724K |
| State of Alaska, Department of Revenue | 0.01% | Reduce -2.9% | 37,569 | $719K |
| Bank of Montreal | 0.00% | Add +102.1% | 37,435 | $718K |
| HighMark Wealth Management LLC | 0.27% | Reduce -2.9% | 34,120 | $654K |
| American Century Companies Inc. | 0.00% | Add +2.2% | 33,470 | $642K |
| Corient Private Wealth LP | 0.00% | Add +72.7% | 33,741 | $637K |
| SG Americas Securities, LLC | 0.00% | Reduce -46.7% | 33,022 | $633K |
| Mariner, LLC | 0.00% | Reduce -7.1% | 33,008 | $633K |
| Wells Fargo & Company | 0.00% | Reduce -62.6% | 31,530 | $604K |
| Truist Financial Corp. | 0.00% | Add +8.7% | 30,619 | $587K |
| Louisiana State Employees Retirement System | 0.01% | Reduce -3.2% | 30,100 | $577K |
| Janus Henderson Group PLC | 0.00% | No change | 29,811 | $571K |
| LPL Financial LLC | 0.00% | Reduce -25.5% | 29,483 | $565K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -3.4% | 28,722 | $551K |
| Dynamic Technology Lab Private Ltd | 0.09% | New | 27,886 | $535K |
| Inspire Investing, LLC | 0.03% | Add +28.2% | 27,010 | $518K |
| Vanguard Global Advisers, LLC | 0.00% | — | 26,959 | $517K |
| Stifel Financial Corp. | 0.00% | Reduce -2.0% | 26,944 | $517K |
| VARCOV Co. | 0.19% | New | 26,562 | $509K |
| Gabelli Funds LLC | 0.00% | New | 25,000 | $479K |
| Cwm, LLC | 0.00% | Add +1.3% | 24,771 | $475K |
| Advisors Asset Management, Inc. | 0.01% | Reduce -1.8% | 23,341 | $447K |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.00% | Reduce -7.7% | 22,800 | $437K |
| Fifth Third Bancorp | 0.00% | Add +2075.7% | 22,605 | $433K |
| Gsa Capital Partners LLP | 0.03% | Reduce -27.7% | 22,536 | $432K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +18.3% | 22,120 | $412K |
| Diversified Trust Co. | 0.01% | Add +9.1% | 21,332 | $409K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -6.8% | 20,817 | $399K |
| Mercer Global Advisors Inc. | 0.00% | Add +79.0% | 20,212 | $387K |
| New York State Common Retirement Fund | 0.00% | No change | 19,948 | $382K |
| Amalgamated Bank | 0.00% | Reduce -0.6% | 19,518 | $374K |
| Arizona State Retirement System | 0.00% | Reduce -1.4% | 18,623 | $357K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 18,552 | $356K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 18,505 | $355K |
| Yousif Capital Management, LLC | 0.00% | Reduce -1.8% | 18,450 | $354K |
| State of Wyoming | 0.04% | Reduce -43.5% | 17,964 | $344K |
| Franklin Resources Inc. | 0.00% | Reduce -36.0% | 17,869 | $343K |
| Focus Partners Wealth | 0.00% | Add +83.7% | 17,534 | $337K |
| Allianz Asset Management GmbH | 0.00% | New | 16,900 | $324K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 16,889 | $324K |
| Teachers Retirement System of the State of Kentucky | 0.00% | No change | 16,851 | $323K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Reduce -0.1% | 16,767 | $321K |
| Commerce Bank | 0.00% | Reduce -1.7% | 16,342 | $313K |
| Neuberger Berman Group LLC | 0.00% | Add +0.6% | 16,069 | $308K |
| 180 Wealth Advisors, LLC | 0.03% | Add +17.3% | 15,763 | $302K |
| Oregon Public Employees Retirement Fund | 0.00% | No change | 15,505 | $297K |
| Captrust Financial Advisors | 0.00% | Add +14.7% | 15,041 | $288K |
| State of Tennessee, Department of Treasury | 0.00% | Reduce -31.9% | 14,647 | $281K |
| KLP Kapitalforvaltning As | 0.00% | No change | 14,500 | $278K |
| Caitong International Asset Management Co., Ltd | 0.05% | Add +3205.1% | 14,245 | $273K |
| Greenwood Capital Associates LLC | 0.03% | Reduce -9.2% | 13,941 | $267K |
| Banco Santander, S.A. | 0.00% | New | 13,700 | $263K |
| Evergreen Capital Management LLC | 0.01% | New | 12,992 | $249K |
| Counterpoint Mutual Funds LLC | 0.04% | Reduce -44.5% | 12,679 | $243K |
| Cresset Asset Management, LLC | 0.00% | New | 12,618 | $242K |
| Amundi | 0.00% | Reduce -57.2% | 12,615 | $242K |
| DRW Securities, LLC | 0.01% | New | 12,419 | $238K |
| Guggenheim Capital LLC | 0.00% | Add +11.1% | 12,389 | $237K |
| EP Wealth Advisors, LLC | 0.00% | Add +19.1% | 11,886 | $228K |
| Syon Capital LLC | 0.01% | New | 11,437 | $219K |
| Victory Capital Management Inc. | 0.00% | Add +11.4% | 10,883 | $209K |
| Pictet Asset Management Holding SA | 0.00% | New | 10,764 | $206K |
| Park Avenue Securities LLC | 0.00% | Add +13.2% | 10,647 | $204K |
| ProShare Advisors LLC | 0.00% | Reduce -19.9% | 10,554 | $202K |
| Apollon Wealth Management, LLC | 0.00% | Reduce -3.9% | 10,534 | $202K |
| Prosperitas Financial LLC | 0.07% | No change | 10,000 | $192K |
| Leonteq Securities AG | 0.01% | Add +21.7% | 9,501 | $182K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -29.9% | 9,147 | $175K |
| Advisory Services Network, LLC | 0.00% | New | 8,274 | $159K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 7,650 | $147K |
| Bayforest Capital Ltd | 0.16% | Reduce -73.5% | 7,265 | $139K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 5,586 | $107K |
| Natixis | 0.00% | New | 5,500 | $105K |
| Ensign Peak Advisors, Inc | 0.00% | No change | 5,032 | $96K |
| China Universal Asset Management Co., Ltd. | 0.01% | Reduce -37.5% | 5,000 | $96K |
| Virtus Advisers, LLC | 0.04% | New | 4,400 | $84K |
| GAMMA Investing LLC | 0.00% | Reduce -22.9% | 3,502 | $67K |
| Creative Financial Designs Inc. | 0.00% | No change | 3,431 | $66K |
| Versant Capital Management, Inc | 0.01% | Add +784.6% | 3,335 | $64K |
| Pinnacle Wealth Planning Services, Inc. | 0.01% | Add +2.2% | 3,073 | $59K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -13.3% | 3,121 | $59K |
| Van Eck Associates Corp. | 0.00% | Reduce -14.9% | 2,918 | $56K |
| Simplex Trading, LLC | 0.00% | New | 2,903 | $56K |
| Essential Partners LLC | 0.02% | Add +0.0% | 2,888 | $55K |
| Nisa Investment Advisors, LLC | 0.00% | Add +108.4% | 2,782 | $53K |
| Osaic Holdings, Inc. | 0.00% | Reduce -1.1% | 2,588 | $50K |
| Stonehage Fleming Financial Services Holdings Ltd | 0.00% | No change | 2,551 | $49K |
| Quantbot Technologies LP | 0.00% | Reduce -93.1% | 2,285 | $44K |
| US Bancorp \de | 0.00% | Add +9.4% | 2,209 | $42K |
| KBC Group NV | 0.00% | No change | 2,011 | $39K |
| OP Asset Management Ltd | 0.00% | Reduce -89.3% | 1,835 | $35K |
| Aster Capital Management (DIFC) Ltd | 0.01% | New | 1,830 | $35K |
| Group One Trading LLC | 0.00% | Reduce -97.0% | 1,815 | $35K |
| Assetmark, Inc. | 0.00% | No change | 1,750 | $34K |
| AdvisorNet Financial, Inc | 0.00% | No change | 1,680 | $32K |
| Northwestern Mutual Wealth Management Co. | 0.00% | Add +138.2% | 1,634 | $31K |
| First Horizon Corp. | 0.00% | Reduce -0.4% | 1,618 | $31K |
| McIlrath & Eck, LLC | 0.00% | No change | 1,605 | $31K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +37.7% | 1,348 | $26K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +25.8% | 1,322 | $25K |
| CoreCap Advisors, LLC | 0.00% | Reduce -78.3% | 1,283 | $25K |
| Ancora Advisors LLC | 0.00% | Add +241.7% | 1,230 | $24K |
| Salem Investment Counselors Inc. | 0.00% | New | 1,000 | $19K |
| Wellington-Altus USA Inc. | 0.01% | Add +42.5% | 1,151 | $17K |
| Larson Financial Group LLC | 0.00% | Add +175.3% | 804 | $15K |
| Salomon & Ludwin, LLC | 0.00% | Add +30.4% | 776 | $14K |
| Arax Advisory Partners | 0.00% | Add +50.2% | 748 | $14K |
| Hantz Financial Services, Inc. | 0.00% | Reduce -1.9% | 721 | $14K |
| Allworth Financial LP | 0.00% | Add +19.0% | 645 | $12K |
| Kemnay Advisory Services Inc. | 0.00% | New | 538 | $10K |
| Quadrant Capital Group LLC | 0.00% | Reduce -15.5% | 480 | $9K |
| Signaturefd, LLC | 0.00% | Add +37.5% | 477 | $9K |
| Smartleaf Asset Management LLC | 0.00% | Reduce -66.9% | 440 | $9K |
| UMB Bank, n.a. | 0.00% | Add +17.8% | 444 | $9K |
| Sterling Capital Management LLC | 0.00% | Reduce -1.1% | 439 | $8K |
| Rockefeller Capital Management L.P. | 0.00% | Reduce -30.9% | 433 | $8K |
| Transamerica Financial Advisors, LLC | 0.00% | No change | 389 | $7K |
| Covestor Ltd | 0.00% | Reduce -44.7% | 385 | $7K |
| Los Angeles Capital Management LLC | 0.00% | No change | 348 | $7K |
| SJS Investment Consulting Inc. | 0.00% | Add +2818.2% | 321 | $6K |
| Quent Capital, LLC | 0.00% | Reduce -32.4% | 309 | $6K |
| Parallel Advisors, LLC | 0.00% | Add +307.7% | 265 | $5K |
| Beacon Investment Advisory Services, Inc. | 0.00% | New | 240 | $5K |
| NewEdge Advisors, LLC | 0.00% | Add +127.0% | 227 | $4K |
| True Wealth Design, LLC | 0.00% | Add +209.0% | 207 | $4K |
| Harbour Investments, Inc. | 0.00% | No change | 204 | $4K |
| Twin Peaks Wealth Advisors, LLC | 0.00% | New | 142 | $3K |
| Rothschild Investment LLC | 0.00% | Add +8.1% | 133 | $3K |
| Colonial Trust Co / SC | 0.00% | Reduce -4.7% | 122 | $2K |
| NFSG Corp | 0.00% | No change | 120 | $2K |
| MAI Capital Management | 0.00% | Reduce -19.9% | 113 | $2K |
| Bessemer Group Inc. | 0.00% | No change | 90 | $2K |
| Front Row Advisors LLC | 0.00% | No change | 100 | $2K |
| Toth Financial Advisory Corp. | 0.00% | No change | 100 | $2K |
| Fortitude Family Office, LLC | 0.00% | No change | 97 | $2K |
| Keating Financial Advisory Services, Inc. | 0.00% | New | 77 | $1K |
| IFP Advisors, Inc | 0.00% | No change | 69 | $1K |
| JPL Wealth Management, LLC | 0.00% | New | 61 | $1K |
| TD Private Client Wealth LLC | 0.00% | No change | 60 | $1K |
| Parkside Financial Bank & Trust | 0.00% | No change | 56 | $1K |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 50 | $959 |
| Bare Financial Services, Inc | 0.00% | Reduce -34.4% | 42 | $805 |
| Golden State Wealth Management, LLC | 0.00% | Reduce -48.8% | 41 | $786 |
| Cornerstone Planning Group LLC | 0.00% | No change | 40 | $777 |
| Ascentis Independent Advisors | 0.00% | New | 40 | $766 |
| Bell Investment Advisors, Inc | 0.00% | No change | 36 | $691 |
| Eastern Bank | 0.00% | No change | 32 | $613 |
| SBI Securities Co., Ltd. | 0.00% | Add +40.0% | 28 | $537 |
| Elequin Capital, LP | 0.00% | Reduce -73.3% | 24 | $460 |
| JFS Wealth Advisors, LLC | 0.00% | No change | 15 | $288 |
| International Assets Investment Management, LLC | 0.00% | No change | 15 | $282 |
| Elevation Wealth Partners, LLC | 0.00% | New | 14 | $269 |
| Root Financial Partners, LLC | 0.00% | New | 14 | $268 |
| Gilpin Wealth Management, LLC | 0.00% | Add +140.0% | 12 | $231 |
| Accordant Advisory Group Inc | 0.00% | New | 12 | $231 |
| Cedar Mountain Advisors, LLC | 0.00% | Reduce -40.0% | 12 | $230 |
| Ankerstar Wealth, LLC | 0.00% | No change | 11 | $211 |
| Optiver Holding B.V. | 0.00% | New | 8 | $153 |
| Abound Wealth Management | 0.00% | Reduce -16.7% | 5 | $96 |
| Huntington National Bank | 0.00% | No change | 1 | $19 |
"% of holder's portfolio" is TNDM's weight in each manager's 13F, not the share of Tandem Diabetes Care Inc. the manager owns.