Who owns INSP
295 institutions reported holding INSP for 2026Q1, together 121% of the company, fewer than the 337 a quarter earlier.
295
Institutions reporting a position · as of 2026Q1 · down from 337 the quarter before
- Shares held by institutions
- 34.8M
Shares held by institutions · 121% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $1.80B
Reported value · at 2026-03-31 prices, not today's
- Opened vs closed
- 52 / 96
Opened vs closed · new positions against positions exited in the latest quarter
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 32
- New positions
- 52
- Positions exited
- 96
- Added to
- 114
- Reduced
- 95
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 295 | 34.8M | $1.80B |
| 2025Q4 | 337 | 33.9M | $3.12B |
| 2025Q3 | 324 | 31.1M | $2.31B |
| 2025Q2 | 352 | 33.8M | $4.39B |
| 2025Q1 | 358 | 34.2M | $5.48B |
| 2024Q4 | 353 | 33.3M | $6.18B |
| 2024Q3 | 343 | 33.3M | $7.02B |
| 2024Q2 | 322 | 31.6M | $4.22B |
| 2024Q1 | 324 | 31.8M | $6.83B |
| 2023Q4 | 340 | 31.0M | $6.31B |
| 2023Q3 | 359 | 28.3M | $5.61B |
| 2023Q2 | 400 | 28.1M | $9.10B |
| 2023Q1 | 369 | 28.7M | $6.67B |
| 2022Q4 | 337 | 28.2M | $7.11B |
| 2022Q3 | 299 | 28.3M | $5.01B |
| 2022Q2 | 282 | 27.4M | $5.01B |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Inc. | 3.5M | n/a | $183M |
| VANGUARD GROUP INC | 3.1M | n/a | $161M |
| DEERFIELD MANAGEMENT CO /NY | 2.7M | n/a | $139M |
| WELLINGTON MANAGEMENT GROUP LLP | 2.5M | n/a | $131M |
| MORGAN STANLEY | 1.5M | n/a | $75M |
| D. E. Shaw & Co., INC. | 1.2M | n/a | $61M |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.1M | n/a | $59M |
| STATE STREET CORP | 1.0M | n/a | $49M |
| Artisan Partners Limited Partnership | 0.8M | n/a | $40M |
| BRAIDWELL LP | 0.7M | n/a | $35M |
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…