Who owns GKOS
331 institutions reported holding GKOS for 2026Q1, together 100% of the company, more than the 328 a quarter earlier.
331
Institutions reporting a position · as of 2026Q1 · up from 328 the quarter before
- Shares held by institutions
- 57.9M
Shares held by institutions · 100% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $6.24B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 45%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 44
- New positions
- 42
- Positions exited
- 42
- Added to
- 101
- Reduced
- 121
- Top 10 holdersof the company
- 58%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 331 | 57.9M | $6.24B |
| 2025Q4 | 328 | 57.0M | $6.44B |
| 2025Q3 | 311 | 55.9M | $4.56B |
| 2025Q2 | 290 | 61.0M | $6.30B |
| 2025Q1 | 309 | 57.5M | $5.70B |
| 2024Q4 | 316 | 57.0M | $8.54B |
| 2024Q3 | 311 | 54.7M | $7.13B |
| 2024Q2 | 279 | 53.9M | $6.37B |
| 2024Q1 | 250 | 51.8M | $4.88B |
| 2023Q4 | 244 | 50.8M | $4.04B |
| 2023Q3 | 230 | 49.6M | $3.74B |
| 2023Q2 | 217 | 48.4M | $3.45B |
| 2023Q1 | 200 | 47.3M | $2.37B |
| 2022Q4 | 213 | 46.5M | $2.03B |
| 2022Q3 | 219 | 44.3M | $2.36B |
| 2022Q2 | 196 | 44.1M | $2.01B |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Inc. | 9.1M | 16% | $979M |
| VANGUARD GROUP INC | 6.2M | 11% | $668M |
| HENDERSON GROUP PLC | 5.3M | 9.2% | $576M |
| PRIMECAP MANAGEMENT CO/CA/ | 3.4M | 5.8% | $363M |
| STATE STREET CORP | 2.2M | 3.8% | $235M |
| AMERIPRISE FINANCIAL INC | 1.6M | 2.8% | $173M |
| CITADEL ADVISORS LLC | 1.4M | 2.5% | $156M |
| ALLIANCEBERNSTEIN L.P. | 1.4M | 2.4% | $158M |
| Holocene Advisors, LP | 1.4M | 2.4% | $149M |
| GOLDMAN SACHS GROUP INC | 1.4M | 2.4% | $148M |
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.
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