GLAUKOS Corp
GKOS- Exchange
- NYSE
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001192448
In the last 90 days, GLAUKOS Corp insiders filed 0 open-market purchases and 10 sales; 367 institutions reported holding it in 13F filings for Q2 2026, worth $8.44B in total; no superinvestor holds it.
13F holders, Q4 2021
Institutional positions in GLAUKOS Corp as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 208
- +6 vs. Q3 2021
- Shares held
- 43.5M
- −464.8K (−1.1%) vs. Q3 2021
- Total value
- $1.94B
- −$184.1M (−8.7%) vs. Q3 2021
- New holders
- 38
- 76 more added
- Sold out
- 32
- 68 more reduced
4 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GKOS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 367 | $8.44B |
| Q1 2026 | 336 | $6.25B |
| Q4 2025 | 332 | $6.44B |
| Q3 2025 | 315 | $4.56B |
| Q2 2025 | 298 | $6.30B |
| Q1 2025 | 317 | $5.67B |
| Q4 2024 | 322 | $8.57B |
| Q3 2024 | 315 | $7.15B |
| Q2 2024 | 282 | $6.39B |
| Q1 2024 | 254 | $4.89B |
| Q4 2023 | 246 | $4.05B |
| Q3 2023 | 233 | $3.75B |
| Q2 2023 | 220 | $3.45B |
| Q1 2023 | 203 | $2.37B |
| Q4 2022 | 215 | $2.03B |
| Q3 2022 | 222 | $2.36B |
| Q2 2022 | 199 | $2.01B |
| Q1 2022 | 211 | $2.50B |
| Q4 2021 | 208 | $1.94B |
| Q3 2021 | 206 | $2.13B |
| Q2 2021 | 219 | $4.10B |
| Q1 2021 | 217 | $4.13B |
Institutions, Q4 2021
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Deerfield Management Company, L.P. (Series C) | 1,161,414 | $51.6M | 1.09% | +542,414+87.6% | Added |
| Janus Henderson Group PLC | 1,580,026 | $70.2M | 0.03% | +17,707+1.1% | Added |
| State Street Corp | 1,693,002 | $75.2M | 0.00% | +56,547+3.5% | Added |
| Artisan Partners Limited Partnership | 1,983,513 | $88.1M | 0.11% | +372,024+23.1% | Added |
| Brown Capital Management LLC | 3,021,796 | $134.3M | 1.11% | −194,062−6.0% | Reduced |
| Wellington Management Group LLP | 4,923,297 | $218.8M | 0.03% | +1,126,120+29.7% | Added |
| Vanguard Group Inc | 5,116,595 | $227.4M | 0.01% | +195,364+4.0% | Added |
| BlackRock Inc. | 7,423,702 | $329.9M | 0.01% | +306,284+4.3% | Added |
| Gilder Gagnon Howe & Co LLC | 0 | $0 | 0.00% | −738,293−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −430,690−100.0% | Sold out |
| Pura Vida Investments, LLC | 0 | $0 | 0.00% | −378,638−100.0% | Sold out |
| Bellevue Group AG | 0 | $0 | 0.00% | −143,870−100.0% | Sold out |
| Mitsubishi UFJ Trust & Banking Corp | 0 | $0 | 0.00% | −129,800−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −98,800−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −45,032−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −28,008−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −27,336−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −22,700−100.0% | Sold out |
| AIA Group Ltd | 0 | $0 | 0.00% | −22,572−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −21,250−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −19,800−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −17,802−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −15,538−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −15,199−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −10,905−100.0% | Sold out |
| Raymond James Financial Services Advisors, Inc. | 0 | $0 | 0.00% | −9,060−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −7,268−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −5,965−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −5,043−100.0% | Sold out |
| DLD Asset Management, LP | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −3,984−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −2,437−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1,647−100.0% | Sold out |
| Institutional & Family Asset Management, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −537−100.0% | Sold out |
| MCF Advisors LLC | 0 | $0 | 0.00% | −409−100.0% | Sold out |
| Jacobi Capital Management LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Atlas Private Wealth Advisors | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Charter Oak Capital Management, LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Marshall Wace North America L.P. | – | – | – | – | Not filed |
| First Mercantile Trust Co | – | – | – | – | Not filed |
| Wealth Quarterback LLC | – | – | – | – | Not filed |
| Berman Capital Advisors, LLC | – | – | – | – | Not filed |