Titelia

Fund shareholders of IRhythm Holdings Inc

ISIN US4500561067 · United States

Fund shareholders
289
Of which ETFs
56 233 other funds
Value held
≈ 1.6B $ 1.6B $ · 1.3M € · 71.7M SEK
Share of capital
40.8 % of 33M shares on Jul 30, 2026
FundSharesValueWeight in fundShare of capital
VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS 1,026,322122.1M $0.01 %3.11 %as of Jun 30, 2026 ↗
iShares Russell 2000 ETF iShares Trust 860,238102.3M $0.12 %2.61 %as of Jun 30, 2026 ↗
VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS 741,49888.2M $0.05 %2.25 %as of Jun 30, 2026 ↗
Eventide Gilead Fund MUTUAL FUND SERIES TRUST 582,47269.3M $2.01 %1.77 %as of Jun 30, 2026 ↗
VANGUARD EXPLORER FUND VANGUARD EXPLORER FUND 521,69861.1M $0.28 %1.58 %as of Jul 31, 2026 ↗
Select Medical Technology and Devices Portfolio Fidelity Select Portfolios 450,00051.3M $1.72 %1.37 %as of May 31, 2026 ↗
FULLERTHALER BEHAVIORAL SMALL-CAP GROWTH Capitol Series Trust 447,10053.2M $0.86 %1.36 %as of Jun 30, 2026 ↗
Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust 435,60751.8M $0.46 %1.32 %as of Jun 30, 2026 ↗
VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS 427,29250.8M $0.11 %1.30 %as of Jun 30, 2026 ↗
Artisan Mid Cap Fund Artisan Partners Funds Inc. 378,61845M $1.41 %1.15 %as of Jun 30, 2026 ↗
VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS 377,97145M $0.05 %1.15 %as of Jun 30, 2026 ↗
Fidelity Small Cap Index Fund Fidelity Salem Street Trust 361,72942.4M $0.12 %1.10 %as of Jul 31, 2026 ↗
SMALLCAP World Fund Inc SMALLCAP World Fund Inc 326,17238.8M $0.04 %0.99 %as of Jun 30, 2026 ↗
iShares Russell 2000 Growth ETF iShares Trust 305,80436.4M $0.24 %0.93 %as of Jun 30, 2026 ↗
Eventide Healthcare & Life Sciences Fund MUTUAL FUND SERIES TRUST 277,73933M $1.85 %0.84 %as of Jun 30, 2026 ↗
Harbor Small Cap Growth Fund HARBOR FUNDS 230,08027M $1.01 %0.70 %as of Jul 31, 2026 ↗
JPMorgan Mid Cap Growth Fund JPMorgan Trust II 207,27824.7M $0.19 %0.63 %as of Jun 30, 2026 ↗
Select Health Care Portfolio Fidelity Select Portfolios 180,00020.5M $0.35 %0.55 %as of May 31, 2026 ↗
VANGUARD STRATEGIC EQUITY FUND VANGUARD HORIZON FUNDS 171,66920.4M $0.17 %0.52 %as of Jun 30, 2026 ↗
Columbia Acorn Fund COLUMBIA ACORN TRUST 169,78820.2M $0.73 %0.52 %as of Jun 30, 2026 ↗
Fidelity Extended Market Index Fund Fidelity Concord Street Trust 166,80319M $0.04 %0.51 %as of May 31, 2026 ↗
VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS 163,80118.7M $0.11 %0.50 %as of May 31, 2026 ↗
Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST 155,04517.7M $0.08 %0.47 %as of May 31, 2026 ↗
iShares U.S. Medical Devices ETF iShares Trust 153,88718.3M $0.61 %0.47 %as of Jun 30, 2026 ↗
JPMorgan Small Cap Growth Fund JPMorgan Trust II 140,84316.8M $0.64 %0.43 %as of Jun 30, 2026 ↗
BARON DISCOVERY FUND BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) 130,00015.5M $0.85 %0.39 %as of Jun 30, 2026 ↗
Loomis Sayles Small Cap Growth Fund LOOMIS SAYLES FUNDS II 128,97415.3M $0.68 %0.39 %as of Jun 30, 2026 ↗
ALGER SMALL CAP FOCUS FUND ALGER FUNDS 118,09213.8M $1.62 %0.36 %as of Jul 31, 2026 ↗
MFS New Discovery Fund MFS SERIES TRUST I 110,99412.6M $0.59 %0.34 %as of May 31, 2026 ↗
JNL Multi-Manager Small Cap Growth Fund JNL Series Trust 110,45013.1M $0.52 %0.34 %as of Jun 30, 2026 ↗
VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND 96,95411M $0.06 %0.29 %as of May 31, 2026 ↗
Fidelity Advisor Small Cap Fund Fidelity Advisor Series I 88,60010.1M $0.43 %0.27 %as of May 31, 2026 ↗
Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST 80,4489.4M $0.12 %0.24 %as of Jul 31, 2026 ↗
Fidelity Advisor Health Care Fund Fidelity Advisor Series VII 80,0009.4M $0.30 %0.24 %as of Jul 31, 2026 ↗
Allspring SMID Cap Growth Fund ALLSPRING FUNDS TRUST 79,8069.5M $1.15 %0.24 %as of Jun 30, 2026 ↗
Fidelity Small Cap Growth Fund Fidelity Securities Fund 79,3549.3M $0.11 %0.24 %as of Jul 31, 2026 ↗
VIP Contrafund Portfolio Variable Insurance Products Fund II 67,5008M $0.03 %0.20 %as of Jun 30, 2026 ↗
Artisan Small Cap Fund Artisan Partners Funds Inc. 65,0587.7M $0.81 %0.20 %as of Jun 30, 2026 ↗
Master Small Cap Index Series Quantitative Master Series LLC 60,9327.2M $0.12 %0.18 %as of Jun 30, 2026 ↗
Fidelity Total Market Index Fund Fidelity Concord Street Trust 60,6636.9M $0.01 %0.18 %as of May 31, 2026 ↗
BlackRock Advantage Small Cap Core Fund BlackRock Funds 58,5816.7M $0.13 %0.18 %as of May 29, 2026 ↗
JNL/JPMorgan MidCap Growth Fund JNL Series Trust 56,6286.7M $0.19 %0.17 %as of Jun 30, 2026 ↗
Principal U.S. Small-Cap ETF Principal Exchange-Traded Funds 56,5546.7M $0.29 %0.17 %as of Jun 30, 2026 ↗
VANGUARD STRATEGIC SMALL-CAP EQUITY FUND VANGUARD HORIZON FUNDS 55,5436.6M $0.21 %0.17 %as of Jun 30, 2026 ↗
American Beacon Stephens Small Cap Growth Fund AMERICAN BEACON FUNDS 54,3566.5M $1.17 %0.16 %as of Jun 30, 2026 ↗
Fidelity Series Total Market Index Fund Fidelity Concord Street Trust 49,3185.6M $0.01 %0.15 %as of May 31, 2026 ↗
NVIT Allspring Discovery Fund Nationwide Variable Insurance Trust 47,7755.7M $1.15 %0.14 %as of Jun 30, 2026 ↗
ALGER WEATHERBIE SPECIALIZED GROWTH FUND ALGER FUNDS 46,3425.4M $2.28 %0.14 %as of Jul 31, 2026 ↗
JPMorgan Small Cap Blend Fund JPMorgan Trust I 44,7675.3M $0.31 %0.14 %as of Jun 30, 2026 ↗
State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF SPDR SERIES TRUST 43,7915.2M $0.18 %0.13 %as of Jun 30, 2026 ↗
iShares Core S&P Total U.S. Stock Market ETF iShares Trust 42,7785.1M $0.01 %0.13 %as of Jun 30, 2026 ↗
Nuveen Small Cap Blend Index Fund TIAA-CREF Funds 42,7385M $0.12 %0.13 %as of Jul 31, 2026 ↗
College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund 40,9754.9M $0.00 %0.12 %as of Jun 30, 2026 ↗
MFS New Discovery Series MFS VARIABLE INSURANCE TRUST 39,9894.8M $0.58 %0.12 %as of Jun 30, 2026 ↗
Fidelity Small Cap Growth K6 Fund Fidelity Securities Fund 39,9804.7M $0.10 %0.12 %as of Jul 31, 2026 ↗
Champlain Small Company Fund ADVISORS' INNER CIRCLE FUND II 37,0004.4M $0.53 %0.11 %as of Jun 30, 2026 ↗
Allspring Emerging Growth Fund ALLSPRING FUNDS TRUST 36,1684.2M $1.38 %0.11 %as of Jul 31, 2026 ↗
EQ/2000 Managed Volatility Portfolio EQ Advisors Trust 35,9584.3M $0.11 %0.11 %as of Jun 30, 2026 ↗
Allspring VT Small Cap Growth Fund Allspring VARIABLE TRUST 34,3224.1M $1.22 %0.10 %as of Jun 30, 2026 ↗
Fidelity Series Small Cap Core Fund Fidelity Concord Street Trust 34,1984M $0.25 %0.10 %as of Jul 31, 2026 ↗
SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS 32,7943.9M $0.23 %0.10 %as of Jun 30, 2026 ↗
Allspring Small Company Growth Fund ALLSPRING FUNDS TRUST 32,7483.8M $0.75 %0.10 %as of Jul 31, 2026 ↗
Columbia Variable Portfolio - Acorn Fund COLUMBIA FUNDS VARIABLE SERIES TRUST 32,6893.9M $0.72 %0.10 %as of Jun 30, 2026 ↗
VIP Health Care Portfolio Variable Insurance Products Fund IV 32,0003.8M $0.33 %0.10 %as of Jun 30, 2026 ↗
Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust 31,0413.7M $0.24 %0.09 %as of Jun 30, 2026 ↗
Small-Cap Growth Portfolio PACIFIC SELECT FUND 30,8573.7M $0.62 %0.09 %as of Jun 30, 2026 ↗
AST Small-Cap Equity Portfolio Advanced Series Trust 30,7003.7M $0.17 %0.09 %as of Jun 30, 2026 ↗
VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS 29,8833.4M $0.20 %0.09 %as of May 31, 2026 ↗
HealthInvest Sustainable Healthcare Atle Fund Management AB 29,69233.2M SEK1.04 %0.09 %as of Mar 31, 2026 ↗
JPMorgan Mid Cap Equity Fund JPMorgan Trust I 29,5643.5M $0.06 %0.09 %as of Jun 30, 2026 ↗
Carillon Eagle Small Cap Growth Fund Carillon Series Trust 29,1903.5M $0.70 %0.09 %as of Jun 30, 2026 ↗
Federated Hermes MDT Small Cap Core Fund Federated Hermes MDT Series 28,9023.4M $0.15 %0.09 %as of Jul 31, 2026 ↗
Small Cap Growth Stock Portfolio NORTHWESTERN MUTUAL SERIES FUND INC 28,3803.4M $0.37 %0.09 %as of Jun 30, 2026 ↗
Goldman Sachs Small Cap Growth Fund Goldman Sachs Trust 26,0303M $0.65 %0.08 %as of May 31, 2026 ↗
VANGUARD TOTAL WORLD STOCK INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS 25,9643M $0.00 %0.08 %as of Jul 31, 2026 ↗
Neuberger Small Cap Growth Fund NEUBERGER BERMAN EQUITY FUNDS 25,8812.9M $0.42 %0.08 %as of May 31, 2026 ↗
Nuveen Equity Index Fund TIAA-CREF Funds 25,2263M $0.00 %0.08 %as of Jul 31, 2026 ↗
Optimum Small-Mid Cap Growth Fund Optimum Fund Trust 24,7212.9M $0.31 %0.07 %as of Jun 30, 2026 ↗
LVIP State Street Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST 23,3502.8M $0.12 %0.07 %as of Jun 30, 2026 ↗
HealthInvest Small & Mid Cap Healthcare Atle Fund Management AB 23,34726.1M SEK2.62 %0.07 %as of Mar 31, 2026 ↗
Nuveen Small Cap Growth Opportunities Fund Nuveen Investment Funds, Inc. 22,7942.7M $1.01 %0.07 %as of Jul 31, 2026 ↗
Fidelity Small-Mid Multifactor ETF Fidelity Covington Trust 22,6992.7M $0.11 %0.07 %as of Jul 31, 2026 ↗
Multi-Manager Small Cap Equity Strategies Fund COLUMBIA FUNDS SERIES TRUST I 22,3222.5M $0.20 %0.07 %as of May 31, 2026 ↗
DWS Large Cap Focus Growth Fund DEUTSCHE DWS INVESTMENT TRUST 21,8002.6M $0.66 %0.07 %as of Jul 31, 2026 ↗
State Street(R) SPDR(R) S&P(R) Health Care Equipment ETF SPDR SERIES TRUST 21,7122.6M $1.71 %0.07 %as of Jun 30, 2026 ↗
Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST 21,4622.5M $0.01 %0.07 %as of Jul 31, 2026 ↗
Hartford Schroders US Small Cap Opportunities Fund HARTFORD MUTUAL FUNDS II, INC 21,0572.5M $1.43 %0.06 %as of Jul 31, 2026 ↗
M Capital Appreciation Fund NORTHERN LIGHTS FUND TRUST II 20,5862.4M $0.78 %0.06 %as of Jun 30, 2026 ↗
Loomis Sayles Small Cap Growth Portfolio Brighthouse Funds Trust II 20,4432.4M $0.69 %0.06 %as of Jun 30, 2026 ↗
HARTFORD SMALL CAP GROWTH HLS FUND HARTFORD SERIES FUND INC 20,4272.4M $0.36 %0.06 %as of Jun 30, 2026 ↗
FundX Future Fund Opportunities ETF FundX Investment Trust 20,0782.4M $0.99 %0.06 %as of Jun 30, 2026 ↗
EQ/Small Company Index Portfolio EQ Advisors Trust 19,6602.3M $0.12 %0.06 %as of Jun 30, 2026 ↗
Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust 19,5372.2M $0.01 %0.06 %as of May 31, 2026 ↗
MOA SMALL CAP GROWTH FUND MoA Funds Corp 19,4592.3M $0.46 %0.06 %as of Jun 30, 2026 ↗
iShares U.S. Small-Cap Equity Factor ETF iShares Trust 19,4512.3M $0.06 %0.06 %as of Jul 31, 2026 ↗
Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST 18,3792.1M $0.00 %0.06 %as of May 31, 2026 ↗
Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust 17,9212.1M $0.01 %0.05 %as of Jul 31, 2026 ↗
BlackRock Advantage Small Cap Growth Fund BlackRock Funds 17,9002.1M $0.26 %0.05 %as of Jun 30, 2026 ↗
Victory RS Small Cap Growth Fund Victory Portfolios 17,7102.1M $0.52 %0.05 %as of Jun 30, 2026 ↗
Mid Cap Growth Stock Portfolio NORTHWESTERN MUTUAL SERIES FUND INC 17,5812.1M $0.19 %0.05 %as of Jun 30, 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 3.50 %as of May 31, 2026 ↗
HealthInvest Small & Mid Cap Healthcare Atle Fund Management AB 2.62 %as of Mar 31, 2026 ↗
Langar Global Health Tech ETF SPINNAKER ETF SERIES 2.39 %as of Jun 30, 2026 ↗
ALGER WEATHERBIE SPECIALIZED GROWTH FUND ALGER FUNDS 2.28 %as of Jul 31, 2026 ↗
Eventide Gilead Fund MUTUAL FUND SERIES TRUST 2.01 %as of Jun 30, 2026 ↗
First Trust Nasdaq Lux Digital Health Solutions ETF First Trust Exchange-Traded Fund II 1.88 %as of Jun 30, 2026 ↗
Eventide Healthcare & Life Sciences Fund MUTUAL FUND SERIES TRUST 1.85 %as of Jun 30, 2026 ↗
Select Medical Technology and Devices Portfolio Fidelity Select Portfolios 1.72 %as of May 31, 2026 ↗
State Street(R) SPDR(R) S&P(R) Health Care Equipment ETF SPDR SERIES TRUST 1.71 %as of Jun 30, 2026 ↗
ALGER SMALL CAP FOCUS FUND ALGER FUNDS 1.62 %as of Jul 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
2026Q3281-2613,375,148+2.3 %
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 2 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
RTW Investments, LP and 1 other6.60 %2,182,631as of Jun 30, 2026 · SCHEDULE 13G
Artisan Partners Asset Management Inc. and 3 others5.10 %1,660,307as of Jun 30, 2026 · SCHEDULE 13G
Cite this page

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