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 11 sales; 367 institutions reported holding it in 13F filings for Q2 2026, worth $8.44B in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in GLAUKOS Corp as of Dec 31, 2025. 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
- 332
- +24 vs. Q3 2025
- Shares held
- 57.1M
- +1.36M (+2.4%) vs. Q3 2025
- Total value
- $6.44B
- +$1.90B (+41.8%) vs. Q3 2025
- New holders
- 76
- 121 more added
- Sold out
- 52
- 102 more reduced
7 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of Wisconsin Investment Board | 39,141 | $4.42M | 0.01% | −1,021−2.5% | Reduced |
| The PNC Financial Services Group, Inc. | 32,470 | $3.67M | 0.00% | −3,564−9.9% | Reduced |
| Creative Planning | 31,806 | $3.59M | 0.00% | +15,738+97.9% | Added |
| Exome Asset Management LLC | 31,471 | $3.55M | 1.76% | +4,328+15.9% | Added |
| CI Private Wealth, LLC | 30,978 | $3.50M | 0.00% | +28,160+999.3% | Added |
| MetLife Investment Management | 30,885 | $3.49M | 0.02% | −1,849−5.6% | Reduced |
| Illinois Municipal Retirement Fund | 30,370 | $3.43M | 0.04% | −2,339−7.2% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 30,070 | $3.40M | 0.01% | +3,977+15.2% | Added |
| SummitTX Capital, L.P. | 29,534 | $3.33M | 0.10% | +13,476+83.9% | Added |
| State of Alaska, Department of Revenue | 29,313 | $3.31M | 0.04% | +459+1.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 28,767 | $3.25M | 0.00% | −50.0% | Reduced |
| Franklin Resources Inc | 28,520 | $3.22M | 0.00% | +486+1.7% | Added |
| Taylor Frigon Capital Management LLC | 28,425 | $3.21M | 1.62% | −359−1.2% | Reduced |
| Russell Investments Group, Ltd. | 27,627 | $3.12M | 0.00% | +6,268+29.3% | Added |
| Citadel Advisors LLC | 26,956 | $3.04M | 0.00% | −28,984−51.8% | Reduced |
| Manufacturers Life Insurance Company, The | 26,773 | $3.02M | 0.00% | −1,208−4.3% | Reduced |
| Louisiana State Employees Retirement System | 26,300 | $2.97M | 0.05% | −100−0.4% | Reduced |
| State of Tennessee, Treasury Department | 23,344 | $2.79M | 0.01% | −2,014−7.9% | Reduced |
| Lisanti Capital Growth, LLC | 24,135 | $2.73M | 0.65% | +24,135 | New |
| State of New Jersey Common Pension Fund D | 23,536 | $2.66M | 0.01% | −153−0.6% | Reduced |
| Landscape Capital Management, L.L.C. | 23,017 | $2.60M | 0.17% | +12,799+125.3% | Added |
| Zhang Financial LLC | 22,963 | $2.59M | 0.10% | +1,246+5.7% | Added |
| Natixis Advisors, L.P. | 22,748 | $2.57M | 0.00% | +3,927+20.9% | Added |
| Oppenheimer Asset Management Inc. | 21,989 | $2.48M | 0.03% | −300−1.3% | Reduced |
| Amundi | 20,855 | $2.35M | 0.00% | −160,534−88.5% | Reduced |
| Lazard Asset Management LLC | 20,519 | $2.32M | 0.00% | +20,519 | New |
| Clough Capital Partners L P | 20,368 | $2.30M | 0.21% | +20,368 | New |
| Y-Intercept (Hong Kong) Ltd | 20,140 | $2.27M | 0.05% | +8,661+75.5% | Added |
| Susquehanna Portfolio Strategies, LLC | 19,997 | $2.26M | 0.03% | −65,207−76.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 19,694 | $2.22M | 0.00% | +340+1.8% | Added |
| BNP Paribas Arbitrage, SA | 19,347 | $2.18M | 0.00% | +5,724+42.0% | Added |
| Handelsbanken Fonder AB | 18,700 | $2.11M | 0.01% | +3,400+22.2% | Added |
| Yousif Capital Management, LLC | 15,943 | $1.97M | 0.02% | −2,310−12.7% | Reduced |
| Amalgamated Bank | 16,682 | $1.88M | 0.01% | +444+2.7% | Added |
| US Bancorp | 16,483 | $1.86M | 0.00% | +8,342+102.5% | Added |
| Arizona State Retirement System | 16,063 | $1.81M | 0.01% | −845−5.0% | Reduced |
| AQR Capital Management LLC | 15,572 | $1.76M | 0.00% | +5,255+50.9% | Added |
| Mackenzie Financial Corp | 15,404 | $1.76M | 0.00% | +11,837+331.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 15,204 | $1.72M | 0.01% | −271−1.8% | Reduced |
| Pathstone Holdings, LLC | 15,189 | $1.71M | 0.01% | +2,914+23.7% | Added |
| Stifel Financial Corp | 14,608 | $1.65M | 0.00% | −7,847−34.9% | Reduced |
| Blair William & Co | 14,458 | $1.63M | 0.00% | −5,051−25.9% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 14,219 | $1.61M | 0.01% | −386−2.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 14,051 | $1.59M | 0.01% | −15,249−52.0% | Reduced |
| Havemeyer Place LP | 13,557 | $1.53M | 0.30% | +13,557 | New |
| CenterBook Partners LP | 13,257 | $1.50M | 0.07% | +13,257 | New |
| Oregon Public Employees Retirement Fund | 13,165 | $1.49M | 0.02% | +200+1.5% | Added |
| State Board of Administration of Florida Retirement System | 12,982 | $1.47M | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 12,885 | $1.45M | 0.01% | −228,761−94.7% | Reduced |
| LPL Financial LLC | 12,656 | $1.43M | 0.00% | +2,073+19.6% | Added |
| Capital Fund Management S.A. | 12,627 | $1.43M | 0.01% | −22,907−64.5% | Reduced |
| Dark Forest Capital Management LP | 12,268 | $1.39M | 0.06% | +12,268 | New |
| KLP Kapitalforvaltning AS | 12,200 | $1.38M | 0.01% | −500−3.9% | Reduced |
| Lido Advisors, LLC | 15,057 | $1.23M | 0.00% | −20.0% | Reduced |
| ProShare Advisors LLC | 10,885 | $1.23M | 0.00% | +327+3.1% | Added |
| Teacher Retirement System of Texas | 10,407 | $1.18M | 0.00% | −6,341−37.9% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 10,339 | $1.17M | 0.01% | 00.0% | Unchanged |
| FMR LLC | 10,083 | $1.14M | 0.00% | −111,323−91.7% | Reduced |
| Ehrlich Financial Group | 10,014 | $1.13M | 0.64% | 00.0% | Unchanged |
| Lighthouse Investment Partners, LLC | 10,000 | $1.13M | 0.04% | +10,000 | New |
| Bessemer Group Inc | 9,453 | $1.07M | 0.00% | +3,094+48.7% | Added |
| Prelude Capital Management, LLC | 9,200 | $1.04M | 0.08% | +991+12.1% | Added |
| Oak Ridge Investments LLC | 9,058 | $1.02M | 0.06% | −1,415−13.5% | Reduced |
| Maryland State Retirement & Pension System | 8,422 | $950.9K | 0.02% | +177+2.1% | Added |
| Commonwealth Equity Services, LLC | 8,383 | $946.6K | 0.00% | +144+1.7% | Added |
| Pictet Asset Management Holding SA | 8,211 | $927.1K | 0.00% | +502+6.5% | Added |
| Valeo Financial Advisors, LLC | 7,858 | $887.2K | 0.02% | −36−0.5% | Reduced |
| Exchange Traded Concepts, LLC | 7,836 | $884.8K | 0.01% | +255+3.4% | Added |
| Evoke Wealth, LLC | 7,441 | $840.2K | 0.02% | +427+6.1% | Added |
| Diversified Trust Co | 7,252 | $818.8K | 0.02% | +3,050+72.6% | Added |
| Marshall Wace, LLP | 7,244 | $817.9K | 0.00% | −317,283−97.8% | Reduced |
| Summit Global Investments | 7,052 | $796.0K | 0.05% | +4,246+151.3% | Added |
| Quadrant Capital Group LLC | 6,912 | $780.4K | 0.02% | +1,339+24.0% | Added |
| Truist Financial Corp | 6,849 | $773.3K | 0.00% | −704−9.3% | Reduced |
| Legato Capital Management LLC | 6,700 | $756.5K | 0.07% | +6,700 | New |
| Mutual of America Capital Management LLC | 6,564 | $741.1K | 0.01% | +140+2.2% | Added |
| Toroso Investments, LLC | 6,399 | $722.5K | 0.00% | −321−4.8% | Reduced |
| Mariner, LLC | 5,960 | $673.0K | 0.00% | +1,369+29.8% | Added |
| Public Employees Retirement Association of Colorado | 5,652 | $638.0K | 0.00% | 00.0% | Unchanged |
| CWM Advisors, LLC | 5,450 | $615.3K | 0.06% | −1,124−17.1% | Reduced |
| Bank of Montreal | 5,442 | $614.5K | 0.00% | −982−15.3% | Reduced |
| STRS Ohio | 5,300 | $598.4K | 0.00% | +1,300+32.5% | Added |
| M&T Bank Corp | 4,811 | $543.1K | 0.00% | +1,159+31.7% | Added |
| Ameritas Investment Partners, Inc. | 4,634 | $523.2K | 0.02% | −38−0.8% | Reduced |
| Ensign Peak Advisors, Inc | 4,566 | $515.5K | 0.00% | −7,465−62.0% | Reduced |
| Xponance, Inc. | 4,425 | $499.6K | 0.00% | +35+0.8% | Added |
| JustInvest LLC | 4,396 | $496.4K | 0.00% | +468+11.9% | Added |
| HighTower Advisors, LLC | 4,369 | $493.3K | 0.00% | +256+6.2% | Added |
| New Age Alpha Advisors, LLC | 4,309 | $486.5K | 0.02% | +1,829+73.8% | Added |
| Advisor Group Holdings, Inc. | 4,141 | $467.5K | 0.00% | −826−16.6% | Reduced |
| Entropy Technologies, LP | 4,114 | $464.5K | 0.03% | −15,417−78.9% | Reduced |
| Crossmark Global Holdings, Inc. | 4,034 | $455.5K | 0.01% | +145+3.7% | Added |
| Trust Point Inc. | 4,012 | $453.0K | 0.04% | +1,107+38.1% | Added |
| Fifth Third Bancorp | 3,955 | $446.6K | 0.00% | +78+2.0% | Added |
| Schroder Investment Management Group | 3,897 | $445.2K | 0.00% | −1,146−22.7% | Reduced |
| Profund Advisors LLC | 3,929 | $443.6K | 0.01% | +1,273+47.9% | Added |
| Everence Capital Management Inc | 3,820 | $431.0K | 0.03% | 00.0% | Unchanged |
| Persistent Asset Partners Ltd | 3,770 | $425.7K | 0.20% | +3,770 | New |
| Gamco Investors, Inc. Et Al | 3,701 | $417.9K | 0.00% | −4,399−54.3% | Reduced |
| CIBC World Markets Corp | 3,699 | $417.7K | 0.00% | +3,699 | New |