Tandem Diabetes CareTNDM

13F holders, Q1 2024 (March 31)
291holders
8famous investors
$35.42avg. 13F price*

At the end of Q1 2024, 291 institutions reported holding Tandem Diabetes Care Inc. (TNDM) in their 13F filings. The largest holders were BlackRock Inc. ($326.9M), Vanguard Group Inc. ($249.7M) and Capital World Investors ($129.8M). 8 famous investors held it, including Joel Greenblatt (0.1% of Gotham Asset Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Tandem Diabetes Care Inc.
CUSIP
875372203
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q1 2024: 291Q1 2024Q2 2024: 316Q2 2024Q3 2024: 331Q3 2024Q4 2024: 315Q4 2024Q1 2025: 275Q1 2025Q2 2025: 270Q2 2025Q3 2025: 255Q3 2025Q4 2025: 269Q4 2025Q1 2026: 274Q1 2026Q2 2026: 274Q2 2026

Total Exit/New Position Q1 2024

InstitutionsTotal Value
New Positions52$184.0M
Exits28$190.3M

Ownership 291 holders

BlackRock Inc. 0.01% Reduce -0.1% 9,232,481 $326.9M
Vanguard Group Inc. 0.00% Add +0.4% 7,052,570 $249.7M
Capital World Investors 0.02% Reduce -42.6% 3,665,300 $129.8M
Marshall Wace, LLP 0.18% Add +786.7% 3,120,374 $110.5M
ArrowMark Colorado Holdings LLC 1.17% Reduce -0.0% 2,934,179 $103.9M
Jennison Associates LLC 0.06% Add +98.1% 2,556,124 $90.5M
State Street Corp. 0.00% Reduce -1.5% 2,240,978 $79.4M
Janus Henderson Group PLC 0.04% Reduce -14.6% 2,200,797 $77.9M
Bellevue Group AG 1.10% Add +2.0% 2,031,888 $71.9M
Champlain Investment Partners, LLC 0.31% Reduce -1.1% 1,513,557 $53.6M
Fred Alger Management, LLC 0.26% Add +394.4% 1,497,071 $53.0M
Morgan Stanley 0.00% Add +60.3% 1,398,145 $49.5M
Park West Asset Management LLC 3.71% New 1,397,280 $49.5M
Driehaus Capital Management LLC 0.46% New 1,317,437 $46.7M
GW&K Investment Management, LLC 0.41% Add +6.5% 1,305,909 $46.2M
Jacobs Levy Equity Management, Inc. 0.19% Reduce -5.6% 1,219,194 $43.2M
Two Sigma Advisers, LP 0.09% Add +7.5% 1,076,883 $38.1M
Geode Capital Management, LLC 0.00% Add +3.5% 1,076,097 $38.1M
FMR LLC 0.00% Reduce -64.7% 1,050,345 $37.2M
Millennium Management 0.03% Add +62.5% 1,024,954 $36.3M
Two Sigma Investments, LP 0.09% Add +45.7% 1,021,993 $36.2M
Capital International Investors 0.01% Reduce -6.1% 1,017,195 $36.0M
Stephens Investment Management Group LLC 0.45% Add +0.0% 962,559 $34.1M
Brown Capital Management LLC 0.60% Add +29.9% 954,567 $33.8M
Gilder Gagnon Howe & Co. LLC 0.40% Add +4864.5% 897,388 $31.8M
Next Century Growth Investors LLC 2.62% Add +84.8% 852,879 $30.2M
Paradice Investment Management LLC 5.05% Reduce -24.0% 821,993 $29.1M
Ameriprise Financial Inc. 0.01% Add +152.6% 792,028 $28.1M
Chicago Capital, LLC 0.72% Add +40.8% 671,305 $23.8M
Renaissance Technologies 0.03% Add +3160.7% 594,327 $21.0M
Citadel Advisors 0.02% Add +57.2% 567,068 $20.1M
Bank of America Corp. 0.00% Add +547.0% 536,171 $19.0M
Voloridge Investment Management, LLC 0.07% Reduce -45.2% 521,632 $18.5M
Kingdon Capital Management, L.L.C. 2.31% Add +153.9% 493,080 $17.5M
First Light Asset Management, LLC 1.29% Add +31.9% 475,077 $16.8M
Bank of New York Mellon Corp 0.00% Reduce -5.5% 420,916 $14.9M
Charles Schwab Investment Management Inc. 0.00% Add +5.2% 417,543 $14.8M
Squarepoint Ops LLC 0.06% Reduce -9.3% 413,959 $14.7M
Principal Financial Group Inc. 0.01% Add +3.5% 356,393 $12.6M
First Trust Advisors LP 0.01% New 342,870 $12.1M
Northern Trust Corp. 0.00% Reduce -2.4% 342,525 $12.1M
Cubist Systematic Strategies, LLC 0.14% New 339,918 $12.0M
Tri Locum Partners LP 4.01% New 326,506 $11.6M
New York State Common Retirement Fund 0.01% Reduce -1.8% 309,902 $11.0M
Jane Street Group, LLC 0.01% Add +61.6% 308,099 $10.9M
Silvercrest Asset Management Group LLC 0.06% Add +4.3% 266,158 $9.4M
Baillie Gifford & Co. 0.01% Reduce -1.1% 259,697 $9.2M
DAFNA Capital Management LLC 2.10% Add +17.0% 258,208 $9.1M
Invesco Ltd. 0.00% Add +3.0% 252,932 $9.0M
Beaconlight Capital, LLC 3.93% Add +272.7% 247,186 $8.8M
Russell Investments Group, Ltd. 0.01% Reduce -1.5% 243,663 $8.6M
KBC Group NV 0.03% No change 239,944 $8.5M
Balyasny Asset Management L.P. 0.02% Add +120.4% 234,520 $8.3M
Trexquant Investment LP 0.16% Add +43.9% 233,083 $8.3M
Envestnet Asset Management Inc. 0.00% Add +25.3% 232,010 $8.2M
Assenagon Asset Management S.A. 0.02% New 226,427 $8.0M
Integral Health Asset Management, LLC 0.78% New 225,000 $8.0M
Banque Pictet & Cie SA 0.08% Add +5.3% 208,867 $7.4M
Frontier Capital Management Co. LLC 0.06% Add +26.3% 184,338 $6.5M
Legal & General Group Plc 0.00% Reduce -0.4% 180,581 $6.4M
Lisanti Capital Growth, LLC 1.51% Add +65.1% 174,830 $6.2M
Connor, Clark & Lunn Investment Management Ltd. 0.03% Reduce -7.0% 171,367 $6.1M
Rhumbline Advisers 0.01% Reduce -6.2% 161,397 $5.7M
Mirae Asset Global Investments Co., Ltd. 0.01% Add +6.6% 139,485 $5.4M
Susquehanna International Group, LLP 0.01% Add +33.8% 152,240 $5.4M
SG Americas Securities, LLC 0.03% New 147,612 $5.2M
BNP Paribas Financial Markets 0.01% Add +1481.5% 145,812 $5.2M
Nuveen Asset Management, LLC 0.00% Reduce -0.8% 143,928 $5.1M
Prudential Financial Inc. 0.01% Add +30.9% 142,583 $5.0M
Public Sector Pension Investment Board 0.03% Reduce -1.0% 133,660 $4.7M
Swiss National Bank 0.00% No change 128,200 $4.5M
Formula Growth Ltd. 1.40% Add +203.7% 123,746 $4.4M
Gotham Asset Management 0.07% Add +63.7% 123,252 $4.4M
Goldman Sachs Group Inc. 0.00% Reduce -47.4% 118,837 $4.2M
Adage Capital Partners Gp, L.L.C. 0.01% New 118,709 $4.2M
Skandinaviska Enskilda Banken AB (publ) 0.02% No change 118,221 $4.2M
Truist Financial Corp. 0.01% Add +29.8% 113,527 $4.0M
Holocene Advisors, LP 0.01% New 104,080 $3.7M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +12.2% 103,779 $3.7M
State of Wisconsin Investment Board 0.01% Reduce -11.0% 103,257 $3.7M
Raymond James & Associates 0.00% Add +5.3% 96,848 $3.4M
HRT Financial LP 0.02% Add +43.0% 96,300 $3.4M
Rice Hall James & Associates, LLC 0.19% Reduce -9.8% 94,140 $3.3M
JPMorgan Chase & Co. 0.00% Add +8.4% 93,662 $3.3M
Credit Suisse AG/ 0.00% Add +1.8% 90,763 $3.2M
Alliancebernstein L.P. 0.00% Reduce -38.8% 87,939 $3.1M
Engineers Gate Manager LP 0.08% New 84,947 $3.0M
Royal Bank of Canada 0.00% Add +21.8% 83,322 $3.0M
Jump Financial, LLC 0.08% Add +104.8% 80,067 $2.8M
CANADA LIFE ASSURANCE Co 0.01% Reduce -1.5% 79,642 $2.8M
State Board of Administration of Florida Retirement System 0.01% Add +4.0% 68,179 $2.8M
Tudor Investment Corporation 0.03% Reduce -66.6% 77,335 $2.7M
Citigroup Inc. 0.00% Add +78.8% 76,843 $2.7M
Prelude Capital Management, LLC 0.18% Add +859.4% 76,030 $2.7M
D. E. Shaw & Co. 0.00% Reduce -23.3% 71,432 $2.5M
New York State Teachers Retirement System 0.01% No change 70,000 $2.5M
Schonfeld Strategic Advisors LLC 0.02% Add +21.9% 66,680 $2.4M
California State Teachers Retirement System 0.00% Reduce -5.1% 65,189 $2.3M
Capital Fund Management S.A. 0.03% New 61,870 $2.2M
Amundi 0.00% New 68,348 $2.1M
Bridgewater Associates 0.01% Reduce -12.8% 59,600 $2.1M
Cerity Partners LLC 0.01% New 57,392 $2.0M
Texas Permanent School Fund Corp. 0.02% Add +1.6% 56,910 $2.0M
Thrivent Financial for Lutherans 0.00% Reduce -2.5% 56,571 $2.0M
M&T Bank Corp 0.01% Add +11.4% 55,295 $2.0M
Nomura Holdings Inc. 0.02% Reduce -10.2% 53,609 $1.9M
Lecap Asset Management Ltd. 0.39% Add +196.5% 52,653 $1.9M
Natixis Advisors, LLC 0.00% Add +44.8% 50,210 $1.8M
Barclays PLC 0.00% Add +0.3% 49,797 $1.8M
Wells Fargo & Company 0.00% Add +32.3% 46,995 $1.7M
LMR Partners LLP 0.06% Add +28.7% 45,958 $1.6M
Verition Fund Management LLC 0.02% New 44,968 $1.6M
Pura Vida Investments, LLC 1.02% New 42,500 $1.5M
Dimensional Fund Advisors LP 0.00% Reduce -22.8% 41,536 $1.5M
UBS Group AG 0.00% Add +30.6% 40,722 $1.4M
Oppenheimer Asset Management Inc. 0.02% Add +49.0% 40,380 $1.4M
Orion Porfolio Solutions, LLC 0.02% Add +9.4% 40,230 $1.4M
Orion Portfolio Solutions, LLC 0.02% Add +9.4% 40,230 $1.4M
State of Alaska, Department of Revenue 0.02% Reduce -0.7% 39,725 $1.4M
LPL Financial LLC 0.00% Add +55.0% 39,272 $1.4M
Algert Global LLC 0.05% Add +251.0% 39,113 $1.4M
T. Rowe Price Associates Inc. 0.00% Add +5.4% 38,732 $1.4M
Susquehanna Fundamental Investments, LLC 0.06% New 37,705 $1.3M
Shell Asset Management Co. 0.06% Add +115.1% 32,841 $1.3M
Beacon Investment Advisory Services, Inc. 0.06% Reduce -3.9% 36,463 $1.3M
US Bancorp \de 0.00% Reduce -1.0% 36,017 $1.3M
Point72 Asset Management 0.00% Reduce -96.5% 35,000 $1.2M
Janney Montgomery Scott LLC 0.00% Add +4.5% 34,506 $1.2M
Louisiana State Employees Retirement System 0.02% Reduce -0.9% 32,300 $1.1M
Comerica Bank 0.00% Reduce -9.7% 31,042 $1.1M
State of Tennessee, Department of Treasury 0.00% Reduce -12.3% 30,259 $1.1M
Jefferies Financial Group Inc. 0.02% New 30,000 $1.1M
Yousif Capital Management, LLC 0.01% Reduce -8.7% 29,675 $1.1M
Allianz Asset Management GmbH 0.00% New 29,429 $1.0M
JB Capital LLC 0.07% Add +20.4% 28,971 $1.0M
Susquehanna Portfolio Strategies, LLC 0.02% Reduce -15.5% 28,942 $1.0M
Treasurer of the State of North Carolina 0.00% Add +0.7% 28,773 $1.0M
Cresset Asset Management, LLC 0.00% Add +60.1% 28,186 $998K
Point72 (DIFC) Ltd 0.08% — 27,551 $976K
HighMark Wealth Management LLC 0.60% No change 27,170 $962K
Duality Advisers, LP 0.09% New 26,542 $940K
Maryland State Retirement & Pension System 0.02% No change 28,452 $915K
Ensign Peak Advisors, Inc 0.00% Reduce -4.8% 25,532 $904K
Y-Intercept (Hong Kong) Ltd 0.07% Add +17.1% 25,028 $886K
Public Employees Retirement System of Ohio 0.00% Reduce -37.6% 24,656 $873K
Teza Capital Management LLC 0.11% Add +42.8% 24,278 $860K
Bayesian Capital Management, LP 0.08% Reduce -14.0% 24,000 $850K
Stifel Financial Corp. 0.00% Add +2.0% 23,688 $839K
Bokf, NA 0.01% Add +28.9% 23,817 $806K
Amalgamated Bank 0.01% Reduce -21.2% 21,869 $774K
Teachers Retirement System of the State of Kentucky 0.01% No change 21,290 $754K
Man Group plc 0.00% Add +2.3% 21,129 $748K
Bessemer Group Inc. 0.00% Add +0.7% 20,300 $719K
Quantbot Technologies LP 0.04% New 20,047 $710K
Voya Investment Management LLC 0.00% Reduce -2.4% 19,081 $676K
Quarry LP 0.29% Add +3587.6% 19,065 $675K
Legato Capital Management LLC 0.08% Add +66.7% 18,025 $638K
Arizona State Retirement System 0.00% Reduce -1.5% 17,921 $635K
Oregon Public Employees Retirement Fund 0.01% Reduce -8.4% 17,452 $618K
Sei Investments Co. 0.00% Add +125.8% 17,349 $614K
Handelsbanken Fonder AB 0.00% Add +14.9% 17,000 $602K
IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.07% Reduce -18.0% 16,551 $586K
Mariner, LLC 0.00% Add +0.5% 16,542 $586K
Raymond James Financial Services Advisors, Inc. 0.00% Add +1.1% 16,014 $567K
Bank Pictet & Cie (Europe) AG 0.01% Add +0.7% 15,914 $564K
Apollon Wealth Management, LLC 0.02% Reduce -7.2% 15,849 $561K
Commerce Bank 0.00% Add +1.1% 15,727 $557K
Pacific Capital Partners Ltd 0.35% No change 15,282 $541K
Healthcare of Ontario Pension Plan Trust Fund 0.00% New 15,239 $540K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -3.6% 14,368 $509K
Cetera Investment Advisers 0.00% New 14,357 $508K
MN Wealth Advisors, LLC 0.31% Reduce -43.2% 14,283 $506K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Add +0.3% 14,082 $499K
Victory Capital Management Inc. 0.00% Add +1.9% 13,738 $486K
Capstone Investment Advisors, LLC 0.02% Add +63.7% 13,585 $481K
Cambridge Investment Research Advisors, Inc. 0.00% New 13,288 $471K
Diversified Trust Co. 0.01% Add +24.6% 13,173 $466K
Qube Research & Technologies Ltd 0.00% New 12,722 $450K
Keybank National Association 0.00% Add +44.8% 12,565 $445K
Brevan Howard Capital Management LP 0.04% New 12,087 $428K
Quantinno Capital Management LP 0.01% Add +67.6% 11,915 $422K
Mutual of America Capital Management LLC 0.00% Reduce -1.4% 11,234 $398K
Aviva PLC 0.00% New 10,961 $388K
Franklin Resources Inc. 0.00% Reduce -16.4% 10,493 $372K
Corient Private Wealth LP 0.00% Add +2.9% 10,306 $365K
RiverPark Advisors, LLC 0.30% Add +1008.4% 10,153 $360K
Deutsche Bank AG 0.00% Reduce -79.4% 9,649 $342K
Guggenheim Capital LLC 0.00% Add +0.8% 9,324 $330K
Praxis Investment Management Inc. 0.02% No change 9,020 $319K
Bank of Montreal 0.00% Add +8.2% 8,945 $319K
Manufacturers Life Insurance Company, The 0.00% Add +9.6% 8,772 $311K
Park Avenue Securities LLC 0.00% Add +20.3% 8,650 $306K
Dynamic Technology Lab Private Ltd 0.03% New 8,593 $304K
Osaic Holdings, Inc. 0.00% Reduce -55.0% 8,574 $304K
Oak Thistle LLC 0.27% Reduce -53.1% 8,557 $303K
Creative Planning 0.00% Add +8.6% 8,474 $300K
Oppenheimer & Co. Inc. 0.00% Reduce -14.3% 8,399 $297K
Gsa Capital Partners LLP 0.02% New 8,393 $297K
Neuberger Berman Group LLC 0.00% Add +2.8% 8,357 $296K
Stephens Inc. 0.00% Add +2447.6% 8,356 $296K
Commonwealth Equity Services, LLC 0.00% Add +6.3% 8,190 $290K
Public Employees Retirement Association of Colorado 0.00% No change 8,105 $287K
Captrust Financial Advisors 0.00% Add +11.7% 7,837 $278K
XTX Topco Ltd 0.04% New 7,695 $272K
MML Investors Services, LLC 0.00% New 7,671 $272K
180 Wealth Advisors, LLC 0.05% Reduce -4.8% 7,654 $271K
Boothbay Fund Management, LLC 0.01% Reduce -56.6% 7,550 $267K
Landscape Capital Management, L.L.C. 0.02% Reduce -3.1% 7,485 $265K
Pictet Asset Management Holding SA 0.00% No change 7,082 $251K
HighPoint Advisor Group LLC 0.02% New 5,623 $247K
Advisory Services Network, LLC 0.01% Add +0.5% 6,960 $246K
LVW Advisors, LLC 0.04% New 6,835 $242K
Regions Financial Corp. 0.00% New 6,682 $237K
Allspring Global Investments Holdings, LLC 0.00% Add +1567.1% 6,635 $235K
Evergreen Capital Management LLC 0.01% New 6,178 $219K
Van Eck Associates Corp. 0.00% Add +3.4% 6,098 $216K
HSBC Holdings PLC 0.00% Reduce -55.2% 6,086 $215K
Quadrant Capital Group LLC 0.02% Add +45.1% 5,770 $204K
Vanguard Personalized Indexing Management, LLC 0.00% New 5,654 $200K
PNC Financial Services Group, Inc. 0.00% Reduce -2.7% 5,633 $199K
Walleye Capital LLC 0.00% New 5,021 $178K
Nisa Investment Advisors, LLC 0.00% No change 4,450 $158K
Farther Finance Advisors, LLC 0.01% Add +526.1% 4,214 $143K
GAMMA Investing LLC 0.03% Add +55.7% 3,845 $136K
American International Group, Inc. 0.00% Reduce -0.9% 3,628 $128K
Creative Financial Designs Inc. 0.01% No change 3,531 $125K
Arcadia Investment Management Corp. 0.01% Add +141.6% 1,851 $66K
Signaturefd, LLC 0.00% Add +5.6% 1,785 $63K
Northwestern Mutual Wealth Management Co. 0.00% Add +15.9% 1,642 $58K
Fernwood Investment Management, LLC 0.02% New 1,625 $58K
MetLife Investment Management, LLC 0.00% Add +0.2% 1,614 $57K
AdvisorNet Financial, Inc 0.01% No change 1,500 $53K
Parallel Advisors, LLC 0.00% Add +124.0% 1,196 $42K
NFSG Corp 0.02% Reduce -75.3% 1,105 $39K
CoreCap Advisors, LLC 0.00% New 1,053 $37K
MCF Advisors LLC 0.00% Add +79.3% 1,006 $36K
Salem Investment Counselors Inc. 0.00% No change 1,000 $35K
Headlands Technologies LLC 0.01% New 981 $35K
nVerses Capital, LLC 0.08% New 900 $32K
Cwm, LLC 0.00% Add +2.4% 800 $28K
State of Wyoming 0.00% Reduce -49.5% 750 $27K
Global Retirement Partners, LLC 0.00% No change 690 $24K
Tower Research Capital LLC (TRC) 0.00% Reduce -89.7% 662 $23K
AlphaQuest LLC 0.00% New 658 $23K
FinTrust Capital Advisors, LLC 0.00% New 612 $22K
First Horizon Advisors, Inc. 0.00% Add +6.0% 544 $19K
Point72 Asia (Singapore) Pte. Ltd. 0.00% New 435 $15K
Fifth Third Bancorp 0.00% Add +22.7% 400 $14K
Lanark Financial, Inc. 0.00% Reduce -33.7% 410 $14K
Versant Capital Management, Inc 0.00% No change 377 $13K
Quent Capital, LLC 0.00% Add +476.7% 346 $12K
Toth Financial Advisory Corp. 0.00% No change 325 $12K
CIBC Private Wealth Group LLC 0.00% New 340 $12K
GPS Wealth Strategies Group, LLC 0.00% Reduce -13.6% 319 $11K
Front Row Advisors LLC 0.00% Add +215.0% 315 $11K
Jones Financial Companies LLLP 0.00% New 315 $11K
Banque Cantonale Vaudoise 0.00% Reduce -12.4% 303 $11K
Principal Securities, Inc. 0.00% Reduce -9.8% 286 $10K
Covestor Ltd 0.01% No change 291 $10K
Lindbrook Capital, LLC 0.00% Add +47.4% 280 $10K
EverSource Wealth Advisors, LLC 0.00% Reduce -4.0% 243 $9K
Harbour Investments, Inc. 0.00% No change 200 $7K
NewEdge Advisors, LLC 0.00% New 158 $6K
Federation des caisses Desjardins du Quebec 0.00% No change 150 $5K
Mather Group, Llc. 0.00% New 170 $5K
Private Trust Co. NA 0.00% Add +12.5% 135 $5K
UMB Bank, n.a. 0.00% Add +33.3% 112 $4K
IFP Advisors, Inc 0.00% No change 96 $3K
Zions Bancorporation, N.A. 0.00% Reduce -2.3% 85 $3K
Allworth Financial LP 0.00% Reduce -2.4% 82 $3K
CarsonAllaria Wealth Management, Ltd. 0.00% No change 75 $3K
Anfield Capital Management, LLC 0.00% New 73 $3K
Steward Partners Investment Advisory, LLC 0.00% No change 70 $2K
MassMutual Private Wealth & Trust, FSB 0.00% Reduce -8.1% 68 $2K
Parkside Financial Bank & Trust 0.00% No change 60 $2K
Benjamin F. Edwards & Company, Inc. 0.00% New 60 $2K
Farmers & Merchants Investments Inc. 0.00% No change 50 $2K
Bell Investment Advisors, Inc 0.00% No change 36 $1K
Cambridge Trust Co. 0.00% No change 32 $1K
Sachetta, LLC 0.00% No change 35 $1K
Westend Capital Management, LLC 0.00% — 27 $956
CENTRAL TRUST Co 0.00% No change 20 $709
Tidemark, LLC 0.00% No change 20 $708
Huntington National Bank 0.00% Reduce -9.5% 19 $672
Abound Wealth Management 0.00% No change 10 $355
Bruce G. Allen Investments, LLC 0.00% No change 8 $283
Elequin Capital, LP 0.00% New 7 $248
Smartleaf Asset Management LLC 0.00% No change 4 $141
MV Capital Management, Inc. 0.00% New 1 $36
Concourse Financial Group Securities, Inc. 0.00% No change 1 $35
Capital Advisors, Ltd. LLC 0.00% No change 13 $0

"% of holder's portfolio" is TNDM's weight in each manager's 13F, not the share of Tandem Diabetes Care Inc. the manager owns.