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, Q2 2025
Institutional positions in GLAUKOS Corp as of Jun 30, 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
- 298
- −18 vs. Q1 2025
- Shares held
- 61.0M
- +3.48M (+6.0%) vs. Q1 2025
- Total value
- $6.30B
- +$638.6M (+11.3%) vs. Q1 2025
- New holders
- 47
- 142 more added
- Sold out
- 65
- 84 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Blair William & Co | 47,250 | $4.88M | 0.01% | +518+1.1% | Added |
| New York State Teachers Retirement System | 48,243 | $4.98M | 0.01% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 48,439 | $5.00M | 0.00% | +20,401+72.8% | Added |
| Intech Investment Management LLC | 49,316 | $5.09M | 0.05% | −43,248−46.7% | Reduced |
| Integral Health Asset Management, LLC | 50,000 | $5.16M | 0.48% | +50,000 | New |
| Thornburg Investment Management Inc | 50,430 | $5.21M | 0.07% | 00.0% | Unchanged |
| California State Teachers Retirement System | 50,854 | $5.25M | 0.01% | +421+0.8% | Added |
| Ensign Peak Advisors, Inc | 51,429 | $5.31M | 0.01% | +8,645+20.2% | Added |
| Silvercrest Asset Management Group LLC | 52,615 | $5.43M | 0.04% | +52,615 | New |
| EFG Asset Management (North America) Corp. | 55,459 | $5.73M | 0.81% | +2,383+4.5% | Added |
| Bellevue Group AG | 55,926 | $5.78M | 0.13% | 00.0% | Unchanged |
| Citigroup Inc | 56,601 | $5.85M | 0.00% | −20,945−27.0% | Reduced |
| DnB Asset Management AS | 57,283 | $5.92M | 0.02% | +57,283 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 59,263 | $6.12M | 0.01% | −30,061−33.7% | Reduced |
| Prudential Financial Inc | 59,372 | $6.13M | 0.01% | +5,583+10.4% | Added |
| Great West Life Assurance Co | 60,834 | $6.29M | 0.01% | +1,000+1.7% | Added |
| Baird Financial Group, Inc. | 63,379 | $6.55M | 0.01% | +9,545+17.7% | Added |
| Allianz Asset Management GmbH | 64,028 | $6.61M | 0.01% | +7,105+12.5% | Added |
| California Public Employees Retirement System | 68,277 | $7.05M | 0.00% | −647−0.9% | Reduced |
| Macquarie Group Ltd | 73,834 | $7.63M | 0.01% | +40,264+119.9% | Added |
| Summit Partners Public Asset Management, LLC | 75,000 | $7.75M | 0.30% | −366,190−83.0% | Reduced |
| Jane Street Group, LLC | 86,171 | $8.90M | 0.01% | −87,311−50.3% | Reduced |
| Osterweis Capital Management Inc | 94,373 | $9.75M | 0.47% | +35,240+59.6% | Added |
| WCM Investment Management, LLC | 102,870 | $10.4M | 0.02% | +6,047+6.2% | Added |
| Divisadero Street Capital Management, LP | 101,791 | $10.5M | 0.70% | +101,791 | New |
| Price T Rowe Associates Inc | 107,542 | $11.1M | 0.00% | +69,777+184.8% | Added |
| Swiss National Bank | 108,000 | $11.2M | 0.01% | +1,100+1.0% | Added |
| Voya Investment Management LLC | 108,196 | $11.2M | 0.01% | −47,128−30.3% | Reduced |
| Barclays PLC | 109,370 | $11.3M | 0.00% | +43,035+64.9% | Added |
| Susquehanna International Group, LLP | 111,994 | $11.6M | 0.02% | +44,487+65.9% | Added |
| Raymond James Financial Inc | 114,604 | $11.8M | 0.00% | −14,362−11.1% | Reduced |
| SEI Investments Co | 120,755 | $12.5M | 0.01% | +19,682+19.5% | Added |
| Segall Bryant & Hamill, LLC | 122,396 | $12.6M | 0.18% | +20,717+20.4% | Added |
| Victory Capital Management Inc | 122,542 | $12.7M | 0.01% | −17,869−12.7% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 132,713 | $13.7M | 0.30% | +132,713 | New |
| Keybank National Association | 142,675 | $14.7M | 0.05% | +340.0% | Added |
| Man Group plc | 147,070 | $15.2M | 0.03% | +137,184+1,387.7% | Added |
| Nuveen, LLC | 151,347 | $15.6M | 0.00% | −168,448−52.7% | Reduced |
| UBS Group AG | 152,840 | $15.8M | 0.00% | +74,484+95.1% | Added |
| Rhumbline Advisers | 159,283 | $16.5M | 0.01% | +17,929+12.7% | Added |
| C WorldWide Group Holding A/S | 162,212 | $16.8M | 0.23% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 177,123 | $18.3M | 0.46% | +159,132+884.5% | Added |
| Granite Investment Partners, LLC | 192,580 | $19.9M | 0.97% | +177,648+1,189.7% | Added |
| Public Sector Pension Investment Board | 194,842 | $20.1M | 0.09% | +20,006+11.4% | Added |
| Legal & General Group Plc | 195,211 | $20.2M | 0.01% | +11,155+6.1% | Added |
| Qube Research & Technologies Ltd | 196,365 | $20.3M | 0.03% | −18,515−8.6% | Reduced |
| Royal Bank of Canada | 196,375 | $20.3M | 0.00% | −31,874−14.0% | Reduced |
| Freestone Grove Partners LP | 219,810 | $22.7M | 0.17% | +219,810 | New |
| Eventide Asset Management, LLC | 220,740 | $22.8M | 0.40% | −70,181−24.1% | Reduced |
| Comerica Bank | 225,190 | $23.3M | 0.09% | +25,889+13.0% | Added |
| Marshall Wace, LLP | 230,685 | $23.8M | 0.03% | −114,086−33.1% | Reduced |
| Rhenman & Partners Asset Management AB | 235,000 | $24.3M | 3.07% | −35,000−13.0% | Reduced |
| Amundi | 239,279 | $24.8M | 0.01% | +11,989+5.3% | Added |
| Capital International Investors | 246,539 | $25.5M | 0.00% | +246,539 | New |
| Iron Triangle Partners LP | 271,163 | $28.0M | 4.43% | +271,163 | New |
| Allspring Global Investments Holdings, LLC | 280,815 | $28.8M | 0.05% | −39,943−12.5% | Reduced |
| UBS Asset Management Americas Inc | 279,393 | $28.9M | 0.01% | +49,399+21.5% | Added |
| Principal Financial Group Inc | 283,390 | $29.3M | 0.02% | −43,646−13.3% | Reduced |
| Bank of America Corp | 285,646 | $29.5M | 0.00% | +73,400+34.6% | Added |
| Artisan Partners Limited Partnership | 287,221 | $29.7M | 0.04% | −15,172−5.0% | Reduced |
| Squarepoint Ops LLC | 297,148 | $30.7M | 0.07% | +277,946+1,447.5% | Added |
| Atika Capital Management LLC | 319,500 | $33.0M | 3.45% | +56,000+21.3% | Added |
| Citadel Advisors LLC | 320,512 | $33.1M | 0.03% | −99,984−23.8% | Reduced |
| Dimensional Fund Advisors LP | 333,835 | $34.5M | 0.01% | −95,491−22.2% | Reduced |
| Champlain Investment Partners, LLC | 363,026 | $37.5M | 0.26% | +363,026 | New |
| New York State Common Retirement Fund | 387,901 | $40.1M | 0.05% | +10,235+2.7% | Added |
| Bank of New York Mellon Corp | 392,542 | $40.5M | 0.01% | +24,284+6.6% | Added |
| Riverbridge Partners LLC | 403,971 | $41.7M | 0.67% | +118,509+41.5% | Added |
| AustralianSuper Pty Ltd | 406,096 | $41.9M | 0.21% | +406,096 | New |
| Fred Alger Management, LLC | 425,974 | $44.0M | 0.20% | −179,716−29.7% | Reduced |
| Clearbridge Investments, LLC | 478,792 | $49.5M | 0.04% | +129,214+37.0% | Added |
| Morgan Stanley | 496,318 | $51.3M | 0.00% | −41,138−7.7% | Reduced |
| Driehaus Capital Management LLC | 500,472 | $51.7M | 0.41% | −473,153−48.6% | Reduced |
| Goldman Sachs Group Inc | 560,920 | $57.9M | 0.01% | +191,773+52.0% | Added |
| Loomis Sayles & Co L P | 593,612 | $61.3M | 0.08% | −46,538−7.3% | Reduced |
| Braidwell LP | 603,414 | $62.3M | 2.13% | −21,021−3.4% | Reduced |
| Northern Trust Corp | 635,012 | $65.6M | 0.01% | +65,283+11.5% | Added |
| JPMorgan Chase & Co | 642,437 | $66.4M | 0.00% | +59,389+10.2% | Added |
| Charles Schwab Investment Management Inc | 700,458 | $72.4M | 0.01% | +58,480+9.1% | Added |
| Gilder Gagnon Howe & Co LLC | 700,634 | $72.4M | 0.77% | −135,895−16.2% | Reduced |
| Point72 Asset Management, L.P. | 719,262 | $74.3M | 0.18% | +719,262 | New |
| Norges Bank | 738,828 | $76.3M | 0.01% | +83,897+12.8% | Added |
| Capital World Investors | 850,893 | $87.9M | 0.01% | +300,571+54.6% | Added |
| Invesco Ltd. | 997,092 | $103.0M | 0.02% | −455,024−31.3% | Reduced |
| Holocene Advisors, LP | 1,045,886 | $108.0M | 0.27% | +299,118+40.1% | Added |
| Janus Henderson Group PLC | 1,087,194 | $112.3M | 0.06% | +186,827+20.8% | Added |
| William Blair Investment Management, LLC | 1,136,095 | $117.3M | 0.31% | +390,805+52.4% | Added |
| Brown Capital Management LLC | 1,139,119 | $117.7M | 3.42% | −53,470−4.5% | Reduced |
| Westfield Capital Management Co LP | 1,167,853 | $120.6M | 0.51% | +83,669+7.7% | Added |
| Alliancebernstein L.P. | 1,251,854 | $129.3M | 0.04% | −25,685−2.0% | Reduced |
| Geode Capital Management, LLC | 1,330,593 | $137.5M | 0.01% | +115,529+9.5% | Added |
| Primecap Management Co | 1,827,998 | $188.8M | 0.15% | +609,523+50.0% | Added |
| Ameriprise Financial Inc | 1,999,252 | $206.5M | 0.05% | +55,297+2.8% | Added |
| State Street Corp | 2,090,365 | $215.9M | 0.01% | +105,972+5.3% | Added |
| Wellington Management Group LLP | 3,244,404 | $335.1M | 0.06% | +953,614+41.6% | Added |
| Vanguard Group Inc | 6,112,219 | $631.3M | 0.01% | +147,104+2.5% | Added |
| FMR LLC | 6,336,619 | $654.5M | 0.04% | −201,028−3.1% | Reduced |
| BlackRock, Inc. | 8,724,474 | $901.2M | 0.02% | +168,089+2.0% | Added |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −310,361−100.0% | Sold out |
| Ra Capital Management, L.P. | 0 | $0 | 0.00% | −190,256−100.0% | Sold out |