iRhythm Holdings Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 05/13/2026 | 2.74 M | $323.55 M | -2.58% | 8.57% |
| 05/08/2026 | 1.80 M | $212.01 M | 100.00% | 5.61% | |
| RTW INVESTMENTS, LP | 05/15/2026 | 1.67 M | $196.92 M | 41.16% | 5.21% |
| MILLENNIUM MANAGEMENT LLC | 05/15/2026 | 1.61 M | $189.78 M | 94.59% | 5.02% |
| ARTISAN PARTNERS LIMITED PARTNERSHIP | 05/13/2026 | 1.45 M | $171.24 M | -4.04% | 4.53% |
| 05/15/2026 | 1.45 M | $170.62 M | 100.00% | 4.52% | |
| FMR LLC | 05/15/2026 | 1.36 M | $160.73 M | 116.60% | 4.26% |
| HOLOCENE ADVISORS, LP | 05/15/2026 | 1.25 M | $147.37 M | 82.67% | 3.90% |
| UBS ASSET MANAGEMENT AMERICAS INC | 05/13/2026 | 1.05 M | $123.62 M | 26.22% | 3.27% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/15/2026 | 817.11 K | $96.45 M | -4.81% | 2.55% |
| STATE STREET CORP | 05/15/2026 | 788.30 K | $93.04 M | 3.07% | 2.46% |
| BNP PARIBAS ASSET MANAGEMENT HOLDING S.A. | 05/14/2026 | 762.06 K | $89.94 M | 30.71% | 2.38% |
| EVENTIDE ASSET MANAGEMENT, LLC | 05/15/2026 | 760.83 K | $89.77 M | 9.87% | 2.38% |
| JPMORGAN CHASE & CO | 05/13/2026 | 714.90 K | $81.65 M | -5.76% | 2.23% |
| FULLER & THALER ASSET MANAGEMENT, INC. | 05/14/2026 | 674.70 K | $79.63 M | 5.52% | 2.11% |
| BLAIR WILLIAM & CO/IL | 05/08/2026 | 628.39 K | $74.16 M | -12.58% | 1.96% |
| BRAIDWELL LP | 05/15/2026 | 610.19 K | $72.01 M | 180.75% | 1.91% |
| POINT72 ASSET MANAGEMENT, L.P. | 05/15/2026 | 599.41 K | $70.74 M | 173.12% | 1.87% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 05/14/2026 | 582.88 K | $68.79 M | -3.97% | 1.82% |
| STEPHENS INVESTMENT MANAGEMENT GROUP LLC | 04/28/2026 | 561.53 K | $66.27 M | 8.13% | 1.75% |
| D. E. SHAW & CO., INC. | 05/15/2026 | 554.27 K | $65.41 M | 53.68% | 1.73% |
| CAPITAL RESEARCH GLOBAL INVESTORS | 05/13/2026 | 509.59 K | $60.14 M | -56.99% | 1.59% |
| ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC | 05/05/2026 | 467.11 K | $55.22 M | 14.65% | 1.46% |
| BANK OF AMERICA CORP /DE/ | 05/18/2026 | 432.54 K | $51.05 M | 21.92% | 1.35% |
| POLAR CAPITAL HOLDINGS PLC | 05/15/2026 | 421.61 K | $49.76 M | 36.84% | 1.32% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 05/15/2026 | 390.58 K | $46.10 M | 99.20% | 1.22% |
| MACKENZIE FINANCIAL CORP | 05/13/2026 | 371.48 K | $43.84 M | 6.96% | 1.16% |
| LOOMIS SAYLES & CO L P | 05/14/2026 | 367.89 K | $43.42 M | -6.17% | 1.15% |
| GOLDMAN SACHS GROUP INC | 05/15/2026 | 348.56 K | $41.14 M | 5.90% | 1.09% |
| OPHIR ASSET MANAGEMENT PTY LTD | 05/15/2026 | 335.81 K | $39.63 M | 162.97% | 1.05% |
| INVESCO LTD. | 05/12/2026 | 297.45 K | $35.11 M | -40.32% | 0.93% |
| NORTHERN TRUST CORP | 05/14/2026 | 285.09 K | $33.65 M | 2.16% | 0.89% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 05/15/2026 | 281.90 K | $33.27 M | -1.48% | 0.88% |
| FRED ALGER MANAGEMENT, LLC | 05/15/2026 | 280.04 K | $33.05 M | -9.83% | 0.88% |
| ASSENAGON ASSET MANAGEMENT S.A. | 04/20/2026 | 270.22 K | $31.89 M | 19.99% | 0.84% |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | 05/15/2026 | 261.75 K | $30.89 M | 11.38% | 0.82% |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 05/14/2026 | 247.75 K | $28.30 M | 52.88% | 0.77% |
| MORGAN STANLEY | 05/15/2026 | 237.80 K | $28.07 M | 39.89% | 0.74% |
| AMERIPRISE FINANCIAL INC | 05/15/2026 | 236.79 K | $27.95 M | 91.54% | 0.74% |
| CITIGROUP INC | 05/11/2026 | 232.12 K | $27.40 M | 21.96% | 0.73% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 05/15/2026 | 226.88 K | $26.78 M | 56.89% | 0.71% |
| VANGUARD FIDUCIARY TRUST CO | 05/08/2026 | 223.70 K | $26.40 M | 100.00% | 0.70% |
| DEUTSCHE BANK AG\ | 05/06/2026 | 215.76 K | $25.46 M | 14.97% | 0.67% |
| SEI INVESTMENTS CO | 05/13/2026 | 198.90 K | $23.47 M | -2.19% | 0.62% |
| BALYASNY ASSET MANAGEMENT L.P. | 05/15/2026 | 194.43 K | $22.95 M | 16.23% | 0.61% |
| BARCLAYS PLC | 05/15/2026 | 188.35 K | $22.23 M | -2.90% | 0.59% |
| BAMCO INC /NY/ | 05/15/2026 | 183.90 K | $21.70 M | 100.00% | 0.57% |
| NEXT CENTURY GROWTH INVESTORS LLC | 05/14/2026 | 169.31 K | $19.98 M | -2.04% | 0.53% |
| FIRST LIGHT ASSET MANAGEMENT, LLC | 05/15/2026 | 168.12 K | $19.84 M | 9.26% | 0.53% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 05/14/2026 | 166.64 K | $19.67 M | 10.88% | 0.52% |
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iRhythm Holdings Inc. institutional Ownership - FAQ's
During the previous two years, 442 institutional investors and hedge funds held shares of iRhythm Holdings Inc.. The most heavily invested institutionals were:
BlackRock, Inc.: 2.74 M
RTW INVESTMENTS, LP: 1.67 M
MILLENNIUM MANAGEMENT LLC: 1.61 M
Artisan Partners Limited Partnership: 1.45 M
FMR LLC: 1.36 M
Holocene Advisors, LP: 1.25 M
111.00% of iRhythm Holdings Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 61.14 M shares in the last 24 months. This purchase volume represents approximately $7.57 B in transactions.