Irhythm HoldingsIRTC

13F holders, Q1 2025 (March 31)
256holders +29
52new positions
22sold out
5famous investors
$104.72avg. 13F price*

At the end of Q1 2025, 256 institutions reported holding Irhythm Holdings Inc. (IRTC) in their 13F filings, up 29 from Q4 2024. 52 opened new positions and 22 sold out. The largest holders were Vanguard Group Inc. ($325.4M), Sands Capital Management, LLC ($315.7M) and Artisan Partners Limited Partnership ($294.6M). 5 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Irhythm Holdings Inc.
CUSIP
450056106
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q1 2024: 252Q1 2024Q2 2024: 228Q2 2024Q3 2024: 242Q3 2024Q4 2024: 227Q4 2024Q1 2025: 256Q1 2025Q2 2025: 303Q2 2025Q3 2025: 338Q3 2025Q4 2025: 335Q4 2025Q1 2026: 305Q1 2026Q2 2026: 303Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions52$244.1M
Exits22$61.0M

All 13F filers, Q4 2024 → Q1 2025: 4,856,010 shares bought and 3,194,174 shares sold, net +1,661,836 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 256 holders

Vanguard Group Inc. 0.01% Reduce -0.9% 3,108,194 $325.4M
Sands Capital Management, LLC 1.07% Reduce -5.0% 3,016,207 $315.7M
Artisan Partners Limited Partnership 0.48% Add +1.9% 2,814,280 $294.6M
BlackRock, Inc. 0.01% Reduce -0.9% 2,703,345 $283.0M
Capital Research Global Investors 0.05% Add +34.5% 2,202,622 $230.6M
Mackenzie Financial Corp. 0.17% Reduce -16.4% 1,155,954 $121.0M
State Street Corp. 0.00% Reduce -3.3% 917,688 $96.1M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.02% Add +169.7% 903,084 $94.5M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.25% Reduce -2.3% 879,816 $92.1M
Champlain Investment Partners, LLC 0.62% Add +13.3% 822,791 $86.1M
Blair William & Co. 0.25% Add +30.6% 789,999 $82.7M
Geode Capital Management, LLC 0.01% Add +2.6% 750,369 $78.6M
Eventide Asset Management, LLC 1.54% Add +0.1% 740,062 $77.5M
Westfield Capital Management Co. LP 0.31% Reduce -19.4% 617,078 $64.6M
Bessemer Group Inc. 0.11% Add +1.1% 574,053 $60.1M
JPMorgan Chase & Co. 0.00% Reduce -20.4% 562,514 $58.9M
Braidwell LP 3.04% Reduce -21.1% 556,391 $58.2M
Allspring Global Investments Holdings, LLC 0.10% Reduce -9.0% 518,618 $55.4M
Stephens Investment Management Group LLC 0.79% Add +3.5% 520,582 $54.5M
Fuller & Thaler Asset Management, Inc. 0.21% New 518,240 $54.2M
FMR LLC 0.00% Reduce -2.6% 463,223 $48.5M
Goldman Sachs Group Inc. 0.01% Add +33.5% 433,780 $45.4M
Point72 Asset Management 0.13% New 420,303 $44.0M
Millennium Management 0.04% Add +563.8% 399,746 $41.8M
Ophir Asset Management Pty Ltd 6.91% Reduce -11.6% 377,682 $39.5M
Bank of America Corp. 0.00% Add +47.3% 371,920 $38.9M
Slate Path Capital LP 0.69% Reduce -28.4% 365,400 $38.3M
Bank of New York Mellon Corp 0.01% Reduce -27.3% 357,501 $37.4M
First Light Asset Management, LLC 3.89% Reduce -24.5% 325,046 $34.0M
Schroder Investment Management Group 0.03% Add +2.1% 314,690 $33.0M
Sei Investments Co. 0.04% Reduce -1.9% 312,762 $32.7M
Northern Trust Corp. 0.00% Add +1.6% 292,009 $30.6M
Jennison Associates LLC 0.02% New 280,187 $29.3M
Lord, Abbett & Co. LLC 0.10% New 258,628 $27.1M
Charles Schwab Investment Management Inc. 0.01% Reduce -1.9% 254,579 $26.6M
Rock Springs Capital Management LP 1.53% Reduce -36.0% 254,300 $26.6M
Fred Alger Management, LLC 0.15% Reduce -8.4% 249,714 $26.1M
Morgan Stanley 0.00% Reduce -7.6% 232,669 $24.4M
Frontier Capital Management Co. LLC 0.26% Reduce -36.7% 224,910 $23.5M
Next Century Growth Investors LLC 1.94% New 208,220 $21.8M
Deutsche Bank AG 0.01% Reduce -0.0% 204,915 $21.5M
Barclays PLC 0.01% Reduce -7.0% 200,482 $21.0M
Manufacturers Life Insurance Company, The 0.02% Add +0.2% 196,358 $20.6M
Citigroup Inc. 0.01% Reduce -2.7% 185,142 $19.4M
UBS Group AG 0.00% Add +7.3% 183,106 $19.2M
Verition Fund Management LLC 0.10% New 166,472 $17.4M
Wellington Management Group LLP 0.00% Reduce -29.2% 165,642 $17.3M
New York State Common Retirement Fund 0.02% Add +26.1% 160,886 $16.8M
Alberta Investment Management Corp 0.11% No change 145,166 $15.2M
WCM Investment Management, LLC 0.04% Add +0.2% 138,437 $14.5M
Freestone Grove Partners LP 0.15% Add +719.6% 136,972 $14.3M
Segall Bryant & Hamill, LLC 0.21% Reduce -6.2% 130,748 $13.7M
Raymond James Financial Inc. 0.00% Add +8.5% 110,126 $11.5M
Adage Capital Partners Gp, L.L.C. 0.02% No change 100,000 $10.5M
Amundi 0.00% Reduce -6.8% 95,854 $10.2M
Silvercrest Asset Management Group LLC 0.07% Reduce -0.3% 94,881 $9.9M
Nuveen, LLC 0.00% — 92,729 $9.7M
Peregrine Capital Management LLC 0.29% Reduce -16.2% 83,055 $8.7M
C WorldWide Group Holding A/S 0.10% No change 80,000 $8.4M
State of Wisconsin Investment Board 0.02% Add +0.8% 75,040 $7.9M
Point72 (DIFC) Ltd 0.73% New 72,129 $7.6M
Ameriprise Financial Inc. 0.00% Reduce -3.6% 68,677 $7.2M
Comerica Bank 0.03% Reduce -16.1% 62,228 $6.5M
Swiss National Bank 0.00% Reduce -1.1% 60,700 $6.4M
Redmile Group, LLC 0.56% New 56,844 $6.0M
Susquehanna International Group, LLP 0.01% Add +110.2% 55,108 $5.8M
Macquarie Group Ltd. 0.01% Add +80.7% 54,917 $5.7M
Engineers Gate Manager LP 0.10% Reduce -11.9% 54,576 $5.7M
Harbor Capital Advisors, Inc. 0.26% Reduce -36.2% 54,233 $5.7M
Principal Financial Group Inc. 0.00% Add +1793.7% 50,449 $5.3M
Polar Capital Holdings Plc 0.03% No change 49,773 $5.2M
Castleark Management LLC 0.18% New 48,290 $5.1M
Banque Pictet & Cie SA 0.05% Reduce -21.5% 46,545 $4.9M
Rhumbline Advisers 0.00% Add +7.0% 45,946 $4.8M
Jane Street Group, LLC 0.01% Add +55.4% 45,753 $4.8M
Cubist Systematic Strategies, LLC 0.06% New 43,717 $4.6M
Legal & General Group Plc 0.00% Reduce -4.5% 42,911 $4.5M
Susquehanna Fundamental Investments, LLC 0.07% Add +1.3% 42,414 $4.4M
Cinctive Capital Management LP 0.31% Add +357.7% 37,260 $3.9M
Alliancebernstein L.P. 0.00% Reduce -7.2% 36,847 $3.9M
Envestnet Asset Management Inc. 0.00% Add +118.8% 35,816 $3.7M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.01% Add +2.7% 35,271 $3.7M
EFG Asset Management (North America) Corp. 0.60% Add +22.4% 34,808 $3.6M
First Trust Advisors LP 0.00% New 33,860 $3.5M
Homestead Advisers Corp 0.08% Add +15.3% 32,400 $3.4M
Squarepoint Ops LLC 0.01% Add +34.6% 29,959 $3.1M
California State Teachers Retirement System 0.00% Reduce -1.4% 28,818 $3.0M
Kampmann Melissa S. 2.07% Add +4.6% 25,025 $2.6M
Fieldview Capital Management, LLC 0.36% New 24,203 $2.5M
Wells Fargo & Company 0.00% Add +14.4% 23,993 $2.5M
T. Rowe Price Associates Inc. 0.00% Add +9.9% 22,907 $2.4M
Invesco Ltd. 0.00% Add +15.7% 22,216 $2.3M
Renaissance Technologies 0.00% New 22,100 $2.3M
DLD Asset Management, LP 1.98% Reduce -35.8% 21,960 $2.3M
Jefferies Financial Group Inc. 0.04% New 21,844 $2.3M
Russell Investments Group, Ltd. 0.00% Reduce -6.4% 20,847 $2.2M
Trexquant Investment LP 0.03% New 20,791 $2.2M
Mutual of America Capital Management LLC 0.03% Add +0.3% 20,727 $2.2M
Atle Fund Management AB 0.95% New 20,547 $2.2M
B. Metzler seel. Sohn & Co. AG 0.02% No change 20,500 $2.1M
MetLife Investment Management, LLC 0.01% Reduce -3.1% 18,550 $1.9M
Aquatic Capital Management LLC 0.05% Add +344.9% 18,532 $1.9M
Kennedy Capital Management LLC 0.04% New 17,759 $1.9M
Intech Investment Management LLC 0.02% Add +17.1% 17,484 $1.8M
Brevan Howard Capital Management LP 0.05% New 17,122 $1.8M
State of New Jersey Common Pension Fund D 0.01% Reduce -41.5% 16,273 $1.7M
Group One Trading LLC 0.07% Reduce -22.2% 15,855 $1.7M
Corebridge Financial, Inc. 0.01% Reduce -1.5% 15,316 $1.6M
Granahan Investment Management, LLC 0.08% Reduce -67.7% 14,772 $1.5M
Holocene Advisors, LP 0.00% Reduce -82.8% 14,747 $1.5M
Janus Henderson Group PLC 0.00% No change 13,856 $1.5M
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.03% Reduce -29.6% 13,506 $1.4M
Algert Global LLC 0.03% Reduce -33.6% 13,043 $1.4M
Handelsbanken Fonder AB 0.01% Add +16.6% 12,639 $1.3M
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% New 12,421 $1.3M
Cim Investment Management Inc. 0.26% Add +97.6% 11,530 $1.1M
WoodTrust Financial Corp 0.16% Reduce -3.5% 10,675 $1.1M
Balyasny Asset Management L.P. 0.00% Reduce -90.5% 10,653 $1.1M
Ensign Peak Advisors, Inc 0.00% No change 10,643 $1.1M
Semanteon Capital Management, LP 0.59% New 10,311 $1.1M
Truist Financial Corp. 0.00% Reduce -20.9% 10,128 $1.1M
State Board of Administration of Florida Retirement System 0.00% No change 9,087 $951K
Abn Amro Investment Solutions 0.02% Add +72.1% 9,017 $944K
Arizona State Retirement System 0.01% Reduce -1.0% 8,959 $938K
Diversified Trust Co. 0.02% Add +8.1% 8,944 $936K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +6.1% 8,700 $911K
Creative Planning 0.00% Add +109.4% 8,542 $894K
SG Americas Securities, LLC 0.00% Add +95.6% 8,427 $882K
Voya Investment Management LLC 0.00% Reduce -10.7% 8,399 $879K
Ascent Group, LLC 0.04% Add +3.5% 8,390 $878K
AQR Capital Management 0.00% Add +0.3% 8,303 $869K
Synovus Financial Corp. 0.01% Reduce -12.0% 7,742 $810K
HighTower Advisors, LLC 0.00% Reduce -0.1% 7,598 $795K
Royal Bank of Canada 0.00% Add +423.0% 7,573 $793K
SteelPeak Wealth, LLC 0.03% New 7,488 $784K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% Reduce -1.8% 7,165 $750K
ProShare Advisors LLC 0.00% Reduce -22.6% 6,953 $728K
Cibc World Markets Corp. 0.01% Add +137.2% 6,937 $726K
Exchange Traded Concepts, LLC 0.01% Reduce -20.7% 6,830 $715K
Police & Firemen's Retirement System of New Jersey 0.01% No change 6,716 $703K
Scientech Research LLC 0.18% New 6,505 $681K
Values First Advisors, Inc. 0.38% Add +11.0% 6,203 $650K
KLP Kapitalforvaltning As 0.00% Reduce -9.1% 6,000 $628K
Natixis 0.00% No change 6,000 $617K
Petrus Trust Company, LTA 0.05% New 5,455 $571K
Pictet Asset Management Holding SA 0.00% Add +42.9% 5,122 $536K
Yarbrough Capital, LLC 0.02% New 4,650 $487K
Teacher Retirement System of Texas 0.00% New 4,575 $479K
HSBC Holdings PLC 0.00% Add +3.1% 4,590 $474K
Hennion & Walsh Asset Management, Inc. 0.02% Reduce -1.1% 4,458 $467K
Gsa Capital Partners LLP 0.04% Add +79.6% 4,305 $451K
Bayforest Capital Ltd 0.19% Add +153.2% 4,213 $441K
Captrust Financial Advisors 0.00% Add +7.3% 4,172 $437K
PNC Financial Services Group, Inc. 0.00% Reduce -17.6% 4,102 $429K
Ancora Advisors LLC 0.01% No change 4,000 $419K
Oppenheimer Asset Management Inc. 0.01% Reduce -22.7% 3,989 $418K
Fox Run Management, L.L.C. 0.06% Add +0.3% 3,850 $403K
Mariner, LLC 0.00% Add +35.3% 3,758 $393K
Victory Capital Management Inc. 0.00% Reduce -3.1% 3,689 $386K
CIBC Private Wealth Group LLC 0.00% Reduce -1.6% 3,944 $382K
Public Employees Retirement Association of Colorado 0.00% No change 3,500 $366K
BNP Paribas Financial Markets 0.00% Reduce -20.5% 3,478 $364K
IMA Advisory Services, Inc. 0.04% No change 3,230 $338K
Keybank National Association 0.00% New 3,172 $332K
Ameritas Investment Partners, Inc. 0.01% Reduce -3.3% 3,163 $331K
Citadel Advisors 0.00% Reduce -99.0% 3,102 $325K
CANADA LIFE ASSURANCE Co 0.00% No change 3,072 $322K
Graham Capital Management, L.P. 0.01% Add +5.1% 2,966 $310K
Silver Oak Securities, Incorporated 0.03% New 2,863 $301K
Schonfeld Strategic Advisors LLC 0.00% Reduce -54.4% 2,798 $293K
LPL Financial LLC 0.00% Reduce -5.3% 2,547 $267K
Caas Capital Management LP 0.12% New 2,502 $262K
XTX Topco Ltd 0.01% New 2,462 $258K
Xponance LLC 0.00% Add +6.1% 2,390 $250K
Vident Advisory, LLC 0.00% New 2,352 $246K
Prudential Financial Inc. 0.00% New 2,275 $238K
Bank Pictet & Cie (Europe) AG 0.01% Reduce -33.5% 2,188 $229K
Stephens Inc. 0.00% New 2,122 $222K
Vanguard Personalized Indexing Management, LLC 0.00% New 2,117 $222K
Frank, Rimerman Advisors LLC 0.02% New 2,045 $214K
RiverPark Advisors, LLC 0.18% New 2,040 $214K
SeaCrest Wealth Management, LLC 0.02% New 2,030 $213K
Quadrant Capital Group LLC 0.01% Add +2486.7% 1,940 $203K
Osaic Holdings, Inc. 0.00% Reduce -9.4% 1,530 $160K
STRS Ohio 0.00% Add +600.0% 1,400 $147K
KBC Group NV 0.00% Add +1.4% 1,337 $140K
Avanza Fonder AB 0.00% New 1,137 $123K
Amalgamated Bank 0.00% Add +0.4% 1,091 $114K
Nisa Investment Advisors, LLC 0.00% Add +0.7% 1,044 $109K
Richards, Merrill & Peterson, Inc. 0.06% No change 1,025 $107K
US Bancorp \de 0.00% Add +61.9% 978 $102K
Tower Research Capital LLC (TRC) 0.00% Reduce -73.0% 969 $101K
Raiffeisen Bank International AG 0.00% No change 680 $71K
Wilmington Savings Fund Society, FSB 0.00% Reduce -40.0% 600 $63K
Van Eck Associates Corp. 0.00% No change 554 $58K
Cwm, LLC 0.00% Add +54.3% 517 $54K
BI Asset Management Fondsmaeglerselskab A/S 0.00% New 476 $50K
Canada Pension Plan Investment Board 0.00% New 300 $31K
AlphaQuest LLC 0.00% New 283 $30K
Federation des caisses Desjardins du Quebec 0.00% No change 281 $29K
EverSource Wealth Advisors, LLC 0.00% Add +46.2% 269 $28K
Allworth Financial LP 0.00% No change 247 $26K
Evelyn Partners Investment Management LLP 0.00% No change 245 $26K
MCF Advisors LLC 0.00% New 240 $25K
Leonteq Securities AG 0.00% Reduce -64.3% 231 $24K
Clearstead Advisors, LLC 0.00% Reduce -67.3% 227 $24K
Private Wealth Asset Management, LLC 0.00% — 226 $24K
Jones Financial Companies LLLP 0.00% Add +103.7% 220 $23K
Smartleaf Asset Management LLC 0.00% Add +5.3% 219 $23K
North Star Investment Management Corp. 0.00% No change 170 $18K
Lindbrook Capital, LLC 0.00% Add +6.3% 169 $18K
Signaturefd, LLC 0.00% No change 137 $14K
Larson Financial Group LLC 0.00% Add +3075.0% 127 $13K
Coldstream Capital Management Inc. 0.00% New 127 $13K
Farther Finance Advisors, LLC 0.00% Add +7.3% 117 $13K
Covestor Ltd 0.01% Reduce -39.1% 112 $12K
Blue Trust, Inc. 0.00% No change 112 $12K
Hollencrest Capital Management 0.00% New 108 $11K
Assetmark, Inc. 0.00% Reduce -10.3% 104 $11K
MassMutual Private Wealth & Trust, FSB 0.00% No change 100 $10K
Fifth Third Bancorp 0.00% No change 90 $9K
Toth Financial Advisory Corp. 0.00% No change 85 $9K
GAMMA Investing LLC 0.00% Add +196.4% 83 $9K
Rise Advisors, LLC 0.00% New 69 $7K
Quarry LP 0.00% New 69 $7K
Northwestern Mutual Wealth Management Co. 0.00% New 67 $7K
Versant Capital Management, Inc 0.00% No change 65 $7K
Rothschild Investment LLC 0.00% Add +33.3% 60 $6K
Parallel Advisors, LLC 0.00% Add +90.3% 59 $6K
AdvisorNet Financial, Inc 0.00% No change 52 $5K
SouthState Bank Corp 0.00% New 46 $5K
Sterling Capital Management LLC 0.00% Add +3.1% 33 $3K
Caitong International Asset Management Co., Ltd 0.00% New 25 $3K
Geneos Wealth Management Inc. 0.00% No change 24 $3K
Manchester Capital Management LLC 0.00% No change 23 $2K
Steward Partners Investment Advisory, LLC 0.00% No change 20 $2K
Huntington National Bank 0.00% Reduce -18.2% 18 $2K
Parkside Financial Bank & Trust 0.00% New 15 $2K
Carolinas Wealth Consulting LLC 0.00% Reduce -12.5% 14 $1K
Kestra Investment Management, LLC 0.00% New 14 $1K
Bell Investment Advisors, Inc 0.00% No change 13 $1K
Montag A & Associates Inc. 0.00% Reduce -8.3% 11 $1K
Stephens Consulting, LLC 0.00% New 10 $1K
CVA Family Office, LLC 0.00% No change 10 $1K
Harbour Investments, Inc. 0.00% No change 10 $1K
NewEdge Advisors, LLC 0.00% Reduce -81.5% 10 $1K
JFS Wealth Advisors, LLC 0.00% Reduce -18.2% 9 $943
Security National Bank 0.00% No change 9 $942
Financial Perspectives, Inc 0.00% No change 7 $733
Private Wealth Management Group, LLC 0.00% No change 7 $733
Wolff Wiese Magana LLC 0.00% No change 5 $524
IFP Advisors, Inc 0.00% Reduce -99.8% 3 $524
MV Capital Management, Inc. 0.00% Add +50.0% 3 $315
Activest Wealth Management 0.00% New 3 $314
DHJJ Financial Advisors, Ltd. 0.00% No change 2 $210
SBI Securities Co., Ltd. 0.00% No change 1 $105

"% of holder's portfolio" is IRTC's weight in each manager's 13F, not the share of Irhythm Holdings Inc. the manager owns.