Who owns IRTC
298 institutions reported holding IRTC for 2026Q1, together 109% of the company, fewer than the 330 a quarter earlier.
298
Institutions reporting a position · as of 2026Q1 · down from 330 the quarter before
- Shares held by institutions
- 35.5M
Shares held by institutions · 109% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $4.19B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 34%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 38
- New positions
- 36
- Positions exited
- 72
- Added to
- 106
- Reduced
- 101
- Top 10 holdersof the company
- 50%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 298 | 35.5M | $4.19B |
| 2025Q4 | 330 | 35.1M | $6.23B |
| 2025Q3 | 330 | 34.6M | $5.94B |
| 2025Q2 | 299 | 35.3M | $5.42B |
| 2025Q1 | 253 | 35.9M | $3.76B |
| 2024Q4 | 227 | 34.3M | $3.02B |
| 2024Q3 | 241 | 34.3M | $2.55B |
| 2024Q2 | 228 | 35.5M | $3.82B |
| 2024Q1 | 251 | 34.5M | $4.00B |
| 2023Q4 | 220 | 32.9M | $3.53B |
| 2023Q3 | 220 | 33.1M | $3.12B |
| 2023Q2 | 200 | 33.3M | $3.47B |
| 2023Q1 | 204 | 33.6M | $4.16B |
| 2022Q4 | 206 | 31.1M | $2.91B |
| 2022Q3 | 230 | 30.4M | $3.80B |
| 2022Q2 | 236 | 30.3M | $3.27B |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| VANGUARD GROUP INC | 3.5M | 11% | $415M |
| BlackRock Inc. | 2.7M | 8.4% | $324M |
| RTW INVESTMENTS, LP | 1.7M | 5.1% | $197M |
| MILLENNIUM MANAGEMENT LLC | 1.6M | 4.9% | $190M |
| Artisan Partners Limited Partnership | 1.5M | 4.5% | $171M |
| FMR LLC | 1.4M | 4.2% | $161M |
| Holocene Advisors, LP | 1.2M | 3.8% | $147M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 1.0M | 3.2% | $124M |
| GEODE CAPITAL MANAGEMENT LLC | 0.8M | 2.5% | $96M |
| STATE STREET CORP | 0.8M | 2.4% | $93M |
SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.
reading the register…