iRhythm Holdings Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 08/07/2026 | 2.99 M | $355.15 M | 8.91% | 9.08% |
| RTW INVESTMENTS, LP | 08/14/2026 | 2.18 M | $259.62 M | 30.81% | 6.64% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 08/13/2026 | 1.91 M | $227.67 M | 6.55% | 5.82% |
| ARTISAN PARTNERS LIMITED PARTNERSHIP | 08/13/2026 | 1.66 M | $197.49 M | 14.43% | 5.05% |
| VANGUARD CAPITAL MANAGEMENT LLC | 08/13/2026 | 1.46 M | $174.05 M | 1.21% | 4.45% |
| MILLENNIUM MANAGEMENT LLC | 08/14/2026 | 1.41 M | $167.30 M | -12.53% | 4.28% |
| FMR LLC | 08/13/2026 | 1.19 M | $141.79 M | -12.48% | 3.62% |
| UBS ASSET MANAGEMENT AMERICAS INC | 08/13/2026 | 944.52 K | $112.35 M | -9.83% | 2.87% |
| GEODE CAPITAL MANAGEMENT, LLC | 08/12/2026 | 881.90 K | $104.92 M | 7.93% | 2.68% |
| EVENTIDE ASSET MANAGEMENT, LLC | 08/14/2026 | 880.34 K | $104.71 M | 15.71% | 2.68% |
| BNP PARIBAS ASSET MANAGEMENT HOLDING S.A. | 08/13/2026 | 866.53 K | $103.07 M | 13.71% | 2.63% |
| STATE STREET CORP | 08/07/2026 | 856.52 K | $101.88 M | 8.65% | 2.60% |
| HOLOCENE ADVISORS, LP | 08/14/2026 | 783.64 K | $93.21 M | -37.24% | 2.38% |
| JPMORGAN CHASE & CO | 08/12/2026 | 766.22 K | $90.92 M | 7.18% | 2.33% |
| STEPHENS INVESTMENT MANAGEMENT GROUP LLC | 07/29/2026 | 693.44 K | $82.48 M | 23.49% | 2.11% |
| FULLER & THALER ASSET MANAGEMENT, INC. | 08/12/2026 | 685.50 K | $81.54 M | 1.60% | 2.08% |
| BRAIDWELL LP | 08/14/2026 | 654.26 K | $77.82 M | 7.22% | 1.99% |
| D. E. SHAW & CO., INC. | 08/14/2026 | 629.69 K | $74.90 M | 13.61% | 1.91% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 09/09/2026 | 561.25 K | $66.76 M | 43.70% | 1.73% |
| BLAIR WILLIAM & CO/IL | 08/11/2026 | 524.69 K | $62.41 M | -16.50% | 1.60% |
| BANK OF AMERICA CORP /DE/ | 08/14/2026 | 465.72 K | $55.40 M | 7.67% | 1.42% |
| POLAR CAPITAL HOLDINGS PLC | 08/14/2026 | 458.09 K | $54.49 M | 8.65% | 1.39% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 08/13/2026 | 450.87 K | $53.63 M | -22.65% | 1.37% |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 08/13/2026 | 448.26 K | $53.08 M | 80.93% | 1.36% |
| GOLDMAN SACHS GROUP INC | 08/14/2026 | 362.35 K | $43.10 M | 3.95% | 1.10% |
| LOOMIS SAYLES & CO L P | 08/14/2026 | 347.96 K | $41.39 M | -5.42% | 1.06% |
| CAPITAL RESEARCH GLOBAL INVESTORS | 08/12/2026 | 335.21 K | $39.87 M | -34.22% | 1.02% |
| NORTHERN TRUST CORP | 08/13/2026 | 308.00 K | $36.64 M | 8.04% | 0.94% |
| ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC | 08/13/2026 | 300.06 K | $37.37 M | -35.76% | 0.91% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 08/14/2026 | 298.30 K | $35.48 M | 5.82% | 0.91% |
| SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. | 08/14/2026 | 298.30 K | $35.48 M | 100.00% | 0.91% |
| AMERIPRISE FINANCIAL INC | 08/14/2026 | 292.51 K | $34.79 M | 23.53% | 0.89% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 08/12/2026 | 288.92 K | $34.37 M | 100.00% | 0.88% |
| JANE STREET GROUP, LLC | 08/14/2026 | 275.26 K | $32.74 M | 143.89% | 0.84% |
| POINT72 ASSET MANAGEMENT, L.P. | 08/14/2026 | 273.16 K | $32.49 M | -54.43% | 0.83% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 08/14/2026 | 271.62 K | $32.31 M | 19.72% | 0.83% |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | 08/14/2026 | 269.65 K | $32.07 M | 3.02% | 0.82% |
| CITIGROUP INC | 08/03/2026 | 249.40 K | $29.67 M | 7.44% | 0.76% |
| DEUTSCHE BANK AG\ | 08/07/2026 | 238.19 K | $28.33 M | 10.40% | 0.72% |
| VANGUARD FIDUCIARY TRUST CO | 08/13/2026 | 235.96 K | $28.07 M | 5.48% | 0.72% |
| PERCEPTIVE ADVISORS LLC | 08/14/2026 | 223.77 K | $26.62 M | 113.06% | 0.68% |
| FRED ALGER MANAGEMENT, LLC | 08/14/2026 | 220.79 K | $26.26 M | -21.16% | 0.67% |
| OBERWEIS ASSET MANAGEMENT INC/ | 08/14/2026 | 202.00 K | $24.03 M | 29.49% | 0.61% |
| OPHIR ASSET MANAGEMENT PTY LTD | 08/14/2026 | 201.49 K | $23.97 M | -40.00% | 0.61% |
| BARCLAYS PLC | 08/14/2026 | 191.80 K | $22.81 M | 1.83% | 0.58% |
| NEXT CENTURY GROWTH INVESTORS LLC | 08/14/2026 | 187.06 K | $22.25 M | 10.49% | 0.57% |
| BAMCO INC /NY/ | 08/14/2026 | 181.43 K | $21.58 M | -1.34% | 0.55% |
| SEI INVESTMENTS CO | 08/14/2026 | 178.77 K | $21.26 M | -10.13% | 0.54% |
| FIRST LIGHT ASSET MANAGEMENT, LLC | 08/14/2026 | 167.09 K | $19.88 M | -0.61% | 0.51% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 08/03/2026 | 166.00 K | $19.75 M | -0.38% | 0.50% |
Explore Related Stocks for Market Trends
Explore our related stocks for the latest market trends and stock news to stay informed and make better decisions.
iRhythm Holdings Inc. institutional Ownership - FAQ's
During the previous two years, 436 institutional investors and hedge funds held shares of iRhythm Holdings Inc.. The most heavily invested institutionals were:
BlackRock, Inc.: 2.99 M
RTW INVESTMENTS, LP: 2.18 M
VANGUARD PORTFOLIO MANAGEMENT LLC: 1.91 M
Artisan Partners Limited Partnership: 1.66 M
VANGUARD CAPITAL MANAGEMENT LLC: 1.46 M
MILLENNIUM MANAGEMENT LLC: 1.41 M
109.22% of iRhythm Holdings Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 64.81 M shares in the last 24 months. This purchase volume represents approximately $8.02 B in transactions.