Titelia

Fund shareholders of IRhythm Holdings Inc

ISIN US4500561067 · United States

Fund shareholders
315
Of which ETFs
59 256 other funds
Value held
1.6B $ 1.3M € · 71.7M SEK
Share of capital
39.8 % of 33M shares on Jul 30, 2026
FundSharesValueWeight in fundShare of capital
VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS 1,027,902121.3M $0.01 %3.12 %as of Mar 31, 2026 ↗
iShares Russell 2000 ETF iShares Trust 779,27192M $0.13 %2.36 %as of Mar 31, 2026 ↗
VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS 742,89787.7M $0.05 %2.25 %as of Mar 31, 2026 ↗
Eventide Gilead Fund MUTUAL FUND SERIES TRUST 464,25254.8M $2.04 %1.41 %as of Mar 31, 2026 ↗
SMALLCAP World Fund Inc SMALLCAP World Fund Inc 463,81454.7M $0.07 %1.41 %as of Mar 31, 2026 ↗
VANGUARD EXPLORER FUND VANGUARD EXPLORER FUND 458,64659.2M $0.27 %1.39 %as of Apr 30, 2026 ↗
FULLERTHALER BEHAVIORAL SMALL-CAP GROWTH Capitol Series Trust 432,10051M $1.21 %1.31 %as of Mar 31, 2026 ↗
VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS 415,35949M $0.13 %1.26 %as of Mar 31, 2026 ↗
Select Medical Technology and Devices Portfolio Fidelity Select Portfolios 368,00049.2M $1.35 %1.12 %as of Feb 28, 2026 ↗
VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS 359,87442.5M $0.05 %1.09 %as of Mar 31, 2026 ↗
Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust 353,72341.7M $0.45 %1.07 %as of Mar 31, 2026 ↗
Artisan Mid Cap Fund Artisan Partners Funds Inc. 335,74739.6M $1.34 %1.02 %as of Mar 31, 2026 ↗
Invesco Discovery Fund AIM Counselor Series Trust (Invesco Counselor Series Trust) 326,97643.7M $0.66 %0.99 %as of Feb 28, 2026 ↗
Fidelity Small Cap Index Fund Fidelity Salem Street Trust 315,16640.7M $0.13 %0.96 %as of Apr 30, 2026 ↗
Eventide Healthcare & Life Sciences Fund MUTUAL FUND SERIES TRUST 277,73932.8M $2.06 %0.84 %as of Mar 31, 2026 ↗
iShares Russell 2000 Growth ETF iShares Trust 260,64030.8M $0.25 %0.79 %as of Mar 31, 2026 ↗
JPMorgan Mid Cap Growth Fund JPMorgan Trust II 224,09226.4M $0.23 %0.68 %as of Mar 31, 2026 ↗
Columbia Acorn Fund COLUMBIA ACORN TRUST 169,78820M $0.89 %0.52 %as of Mar 31, 2026 ↗
Fidelity Extended Market Index Fund Fidelity Concord Street Trust 169,00322.6M $0.06 %0.51 %as of Feb 28, 2026 ↗
VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS 158,01021.1M $0.14 %0.48 %as of Feb 28, 2026 ↗
Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST 156,76021M $0.10 %0.48 %as of Feb 28, 2026 ↗
JPMorgan Small Cap Growth Fund JPMorgan Trust II 148,24417.5M $0.80 %0.45 %as of Mar 31, 2026 ↗
Loomis Sayles Small Cap Growth Fund LOOMIS SAYLES FUNDS II 142,86016.9M $0.88 %0.43 %as of Mar 31, 2026 ↗
iShares U.S. Medical Devices ETF iShares Trust 138,82816.4M $0.52 %0.42 %as of Mar 31, 2026 ↗
Allspring SMID Cap Growth Fund ALLSPRING FUNDS TRUST 134,77915.9M $1.97 %0.41 %as of Mar 31, 2026 ↗
BARON DISCOVERY FUND BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) 130,00015.3M $0.94 %0.39 %as of Mar 31, 2026 ↗
VANGUARD STRATEGIC EQUITY FUND VANGUARD HORIZON FUNDS 122,86414.5M $0.14 %0.37 %as of Mar 31, 2026 ↗
ALGER SMALL CAP FOCUS FUND ALGER FUNDS 118,09215.3M $1.93 %0.36 %as of Apr 30, 2026 ↗
MFS New Discovery Fund MFS SERIES TRUST I 110,99414.8M $0.71 %0.34 %as of Feb 28, 2026 ↗
JNL Multi-Manager Small Cap Growth Fund JNL Series Trust 107,43412.7M $0.64 %0.33 %as of Mar 31, 2026 ↗
VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND 96,47212.9M $0.06 %0.29 %as of Feb 28, 2026 ↗
Fidelity Advisor Health Care Fund Fidelity Advisor Series VII 85,00011M $0.38 %0.26 %as of Apr 30, 2026 ↗
Fidelity Enhanced Small Cap ETF Fidelity Covington Trust 80,5629.5M $0.23 %0.24 %as of Mar 31, 2026 ↗
Fidelity Small Cap Growth Fund Fidelity Securities Fund 79,35410.2M $0.12 %0.24 %as of Apr 30, 2026 ↗
Artisan Small Cap Fund Artisan Partners Funds Inc. 76,1489M $1.01 %0.23 %as of Mar 31, 2026 ↗
Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST 69,8379M $0.12 %0.21 %as of Apr 30, 2026 ↗
Fidelity Advisor Small Cap Fund Fidelity Advisor Series I 68,4009.1M $0.41 %0.21 %as of Feb 28, 2026 ↗
VIP Contrafund Portfolio Variable Insurance Products Fund II 67,5008M $0.03 %0.20 %as of Mar 31, 2026 ↗
NVIT Allspring Discovery Fund Nationwide Variable Insurance Trust 66,3537.8M $1.98 %0.20 %as of Mar 31, 2026 ↗
BlackRock Advantage Small Cap Core Fund BlackRock Funds 65,9728.8M $0.19 %0.20 %as of Feb 27, 2026 ↗
Putnam Small Cap Growth Fund Putnam Funds Trust 63,7477.5M $0.28 %0.19 %as of Mar 31, 2026 ↗
JNL/JPMorgan MidCap Growth Fund JNL Series Trust 61,6317.3M $0.23 %0.19 %as of Mar 31, 2026 ↗
Fidelity Total Market Index Fund Fidelity Concord Street Trust 60,0538M $0.01 %0.18 %as of Feb 28, 2026 ↗
Master Small Cap Index Series Quantitative Master Series LLC 52,3386.2M $0.13 %0.16 %as of Mar 31, 2026 ↗
VANGUARD STRATEGIC SMALL-CAP EQUITY FUND VANGUARD HORIZON FUNDS 51,7816.1M $0.25 %0.16 %as of Mar 31, 2026 ↗
Principal U.S. Small-Cap ETF Principal Exchange-Traded Funds 51,1156M $0.34 %0.16 %as of Mar 31, 2026 ↗
JPMorgan Small Cap Blend Fund JPMorgan Trust I 47,8595.6M $0.39 %0.15 %as of Mar 31, 2026 ↗
Fidelity Series Total Market Index Fund Fidelity Concord Street Trust 47,6246.4M $0.01 %0.14 %as of Feb 28, 2026 ↗
Global Small Capitalization Fund AMERICAN FUNDS INSURANCE SERIES 45,7765.4M $0.19 %0.14 %as of Mar 31, 2026 ↗
Allspring VT Small Cap Growth Fund Allspring VARIABLE TRUST 45,1315.3M $2.02 %0.14 %as of Mar 31, 2026 ↗
Federated Hermes Kaufmann Small Cap Fund Federated Hermes Equity Funds 43,2005.6M $0.19 %0.13 %as of Apr 30, 2026 ↗
iShares Core S&P Total U.S. Stock Market ETF iShares Trust 41,6904.9M $0.01 %0.13 %as of Mar 31, 2026 ↗
American Beacon Stephens Small Cap Growth Fund AMERICAN BEACON FUNDS 41,4774.9M $1.11 %0.13 %as of Mar 31, 2026 ↗
College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund 41,3644.9M $0.00 %0.13 %as of Mar 31, 2026 ↗
Federated Hermes MDT Small Cap Core Fund Federated Hermes MDT Series 40,9345.3M $0.28 %0.12 %as of Apr 30, 2026 ↗
MFS New Discovery Series MFS VARIABLE INSURANCE TRUST 39,9894.7M $0.67 %0.12 %as of Mar 31, 2026 ↗
Fidelity Small Cap Growth K6 Fund Fidelity Securities Fund 39,9805.2M $0.12 %0.12 %as of Apr 30, 2026 ↗
ALGER WEATHERBIE SPECIALIZED GROWTH FUND ALGER FUNDS 38,4305M $1.77 %0.12 %as of Apr 30, 2026 ↗
Nuveen Small Cap Blend Index Fund TIAA-CREF Funds 38,2654.9M $0.13 %0.12 %as of Apr 30, 2026 ↗
Fidelity Series Small Cap Core Fund Fidelity Concord Street Trust 37,3984.8M $0.30 %0.11 %as of Apr 30, 2026 ↗
Allspring Emerging Growth Fund ALLSPRING FUNDS TRUST 36,2004.7M $1.44 %0.11 %as of Apr 30, 2026 ↗
EQ/2000 Managed Volatility Portfolio EQ Advisors Trust 33,3013.9M $0.12 %0.10 %as of Mar 31, 2026 ↗
Columbia Variable Portfolio - Acorn Fund COLUMBIA FUNDS VARIABLE SERIES TRUST 32,6893.9M $0.89 %0.10 %as of Mar 31, 2026 ↗
JPMorgan Mid Cap Equity Fund JPMorgan Trust I 31,0703.7M $0.07 %0.09 %as of Mar 31, 2026 ↗
Allspring Small Company Growth Fund ALLSPRING FUNDS TRUST 30,1723.9M $0.76 %0.09 %as of Apr 30, 2026 ↗
Small-Cap Growth Portfolio PACIFIC SELECT FUND 30,0433.5M $0.80 %0.09 %as of Mar 31, 2026 ↗
Carillon Eagle Small Cap Growth Fund Carillon Series Trust 29,8683.5M $0.87 %0.09 %as of Mar 31, 2026 ↗
State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF SPDR SERIES TRUST 29,8673.5M $0.15 %0.09 %as of Mar 31, 2026 ↗
HealthInvest Sustainable Healthcare Atle Fund Management AB 29,69233.2M SEK1.04 %0.09 %as of Mar 31, 2026 ↗
VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS 29,2343.9M $0.27 %0.09 %as of Feb 28, 2026 ↗
Small Cap Growth Stock Portfolio NORTHWESTERN MUTUAL SERIES FUND INC 28,3803.3M $0.46 %0.09 %as of Mar 31, 2026 ↗
HUSSMAN STRATEGIC MARKET CYCLE FUND Hussman Investment Trust 28,0003.3M $0.84 %0.08 %as of Mar 31, 2026 ↗
Goldman Sachs Small Cap Growth Fund Goldman Sachs Trust 27,9143.7M $0.88 %0.08 %as of Feb 28, 2026 ↗
SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS 26,8613.2M $0.23 %0.08 %as of Mar 31, 2026 ↗
Nuveen Equity Index Fund TIAA-CREF Funds 25,2263.3M $0.01 %0.08 %as of Apr 30, 2026 ↗
VIP Health Care Portfolio Variable Insurance Products Fund IV 25,0003M $0.29 %0.08 %as of Mar 31, 2026 ↗
Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust 24,2442.9M $0.25 %0.07 %as of Mar 31, 2026 ↗
VANGUARD TOTAL WORLD STOCK INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS 23,9353.1M $0.00 %0.07 %as of Apr 30, 2026 ↗
HealthInvest Small & Mid Cap Healthcare Atle Fund Management AB 23,34726.1M SEK2.62 %0.07 %as of Mar 31, 2026 ↗
Loomis Sayles Small Cap Growth Portfolio Brighthouse Funds Trust II 23,0422.7M $0.86 %0.07 %as of Mar 31, 2026 ↗
Federated Hermes MDT Small Cap Growth Fund Federated Hermes MDT Series 22,1032.9M $0.38 %0.07 %as of Apr 30, 2026 ↗
Multi-Manager Small Cap Equity Strategies Fund COLUMBIA FUNDS SERIES TRUST I 22,0152.9M $0.24 %0.07 %as of Feb 28, 2026 ↗
Fidelity Small-Mid Multifactor ETF Fidelity Covington Trust 21,9732.8M $0.12 %0.07 %as of Apr 30, 2026 ↗
DWS Large Cap Focus Growth Fund DEUTSCHE DWS INVESTMENT TRUST 21,8002.8M $0.72 %0.07 %as of Apr 30, 2026 ↗
Strategic Advisers Fidelity U.S. Total Stock Fund Fidelity Rutland Square Trust II 21,6502.9M $0.00 %0.07 %as of Feb 28, 2026 ↗
Allspring VT Discovery SMID Cap Growth Fund Allspring VARIABLE TRUST 21,5822.5M $1.97 %0.07 %as of Mar 31, 2026 ↗
LVIP SSGA Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST 21,4502.5M $0.13 %0.07 %as of Mar 31, 2026 ↗
Optimum Small-Mid Cap Growth Fund Optimum Fund Trust 21,2382.5M $0.33 %0.06 %as of Mar 31, 2026 ↗
HARTFORD SMALL CAP GROWTH HLS FUND HARTFORD SERIES FUND INC 20,4272.4M $0.46 %0.06 %as of Mar 31, 2026 ↗
AST Small-Cap Equity Portfolio Advanced Series Trust 19,9002.3M $0.13 %0.06 %as of Mar 31, 2026 ↗
MOA SMALL CAP GROWTH FUND MoA Funds Corp 19,7852.3M $0.56 %0.06 %as of Mar 31, 2026 ↗
State Street(R) SPDR(R) S&P(R) Health Care Equipment ETF SPDR SERIES TRUST 19,6572.3M $1.72 %0.06 %as of Mar 31, 2026 ↗
Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust 19,5372.6M $0.01 %0.06 %as of Feb 28, 2026 ↗
Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST 19,1062.5M $0.01 %0.06 %as of Apr 30, 2026 ↗
Mid Cap Growth Stock Portfolio NORTHWESTERN MUTUAL SERIES FUND INC 19,0372.2M $0.23 %0.06 %as of Mar 31, 2026 ↗
FundX Future Fund Opportunities ETF FundX Investment Trust 18,8782.2M $1.13 %0.06 %as of Mar 31, 2026 ↗
Victory RS Small Cap Growth Fund Victory Portfolios 18,5502.2M $0.66 %0.06 %as of Mar 31, 2026 ↗
Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST 18,3792.5M $0.01 %0.06 %as of Feb 28, 2026 ↗
Neuberger Small Cap Growth Fund NEUBERGER BERMAN EQUITY FUNDS 18,0432.4M $0.50 %0.05 %as of Feb 28, 2026 ↗
VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS 18,0172.1M $0.00 %0.05 %as of Mar 31, 2026 ↗

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The funds most exposed to it

The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.

FundWeight in fund
Global X HealthTech ETF GLOBAL X FUNDS 3.48 %as of Feb 28, 2026 ↗
HealthInvest Small & Mid Cap Healthcare Atle Fund Management AB 2.62 %as of Mar 31, 2026 ↗
First Trust Nasdaq Lux Digital Health Solutions ETF First Trust Exchange-Traded Fund II 2.15 %as of Mar 31, 2026 ↗
Eventide Healthcare & Life Sciences Fund MUTUAL FUND SERIES TRUST 2.06 %as of Mar 31, 2026 ↗
Eventide Gilead Fund MUTUAL FUND SERIES TRUST 2.04 %as of Mar 31, 2026 ↗
Eventide Exponential Technologies Fund MUTUAL FUND SERIES TRUST 2.04 %as of Mar 31, 2026 ↗
Allspring VT Small Cap Growth Fund Allspring VARIABLE TRUST 2.02 %as of Mar 31, 2026 ↗
NVIT Allspring Discovery Fund Nationwide Variable Insurance Trust 1.98 %as of Mar 31, 2026 ↗
Allspring VT Discovery SMID Cap Growth Fund Allspring VARIABLE TRUST 1.97 %as of Mar 31, 2026 ↗
Allspring SMID Cap Growth Fund ALLSPRING FUNDS TRUST 1.97 %as of Mar 31, 2026 ↗

Quarter after quarter

Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.

QuarterShareholdersChangeSharesChange
2026Q2307-1713,071,295-3.7 %
2026Q1324+1713,571,331-2.8 %
2025Q4307+3813,958,284-1.2 %
2025Q3269+4314,122,666-4.2 %
2025Q2226+2214,740,137+8.7 %
2025Q1204+113,562,255-2.6 %
2024Q4203-2413,924,466-7.9 %
2024Q3227-815,118,314+1.4 %
2024Q2235+1414,915,625+9.7 %
2024Q1221-2013,601,592-10.6 %
2023Q424115,208,669

Institutional managers

296 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.

ManagerSharesValue
BlackRock, Inc.2,741,505323.6M $as of Mar 31, 2026
RTW INVESTMENTS, LP1,668,500196.9M $as of Mar 31, 2026
MILLENNIUM MANAGEMENT LLC1,608,014189.8M $as of Mar 31, 2026
Artisan Partners Limited Partnership1,450,907171.2M $as of Mar 31, 2026
FMR LLC1,361,919160.7M $as of Mar 31, 2026
Holocene Advisors, LP1,248,658147.4M $as of Mar 31, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1,047,452123.6M $as of Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC817,11096.5M $as of Mar 31, 2026
STATE STREET CORP788,30293M $as of Mar 31, 2026
BNP PARIBAS ASSET MANAGEMENT Holding S.A.762,06289.9M $as of Mar 31, 2026
EVENTIDE ASSET MANAGEMENT, LLC760,82589.8M $as of Mar 31, 2026
JPMORGAN CHASE & CO714,89681.6M $as of Mar 31, 2026
FULLER & THALER ASSET MANAGEMENT, INC.674,69879.6M $as of Mar 31, 2026
BLAIR WILLIAM & CO/IL628,38574.2M $as of Mar 31, 2026
BRAIDWELL LP610,19272M $as of Mar 31, 2026
Point72 Asset Management, L.P.599,40570.7M $as of Mar 31, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP582,87968.8M $as of Mar 31, 2026
Stephens Investment Management Group LLC561,53066.3M $as of Mar 31, 2026
D. E. Shaw & Co., Inc.554,26665.4M $as of Mar 31, 2026
Capital Research Global Investors509,59060.1M $as of Mar 31, 2026
Allspring Global Investments Holdings, LLC467,11355.2M $as of Mar 31, 2026
BANK OF AMERICA CORP /DE/432,53951M $as of Mar 31, 2026
Polar Capital Holdings Plc421,61249.8M $as of Mar 31, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE390,57746.1M $as of Mar 31, 2026
MACKENZIE FINANCIAL CORP371,47543.8M $as of Mar 31, 2026

Declared shareholders of IRhythm Holdings Inc

There are 4 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.

ShareholderDeclared stakeShares
Vanguard Portfolio Management 5.64 %1,824,090as of Mar 31, 2026 · SCHEDULE 13G
Vanguard Capital Management 5.23 %1,691,483as of Mar 31, 2026 · SCHEDULE 13G
RTW Investments, LP and 1 other5.20 %1,668,500as of Mar 31, 2026 · SCHEDULE 13G
SANDS CAPITAL MANAGEMENT, LLC and 1 other0.00 %0as of Mar 31, 2026 · SCHEDULE 13G
Cite this page

Titelia. "Fund shareholders of IRhythm Holdings Inc". https://titelia.com/en/stocks/irhythm-holdings-inc-US4500561067