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 7 sales; 368 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
- 299
- −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 | 368 | $8.44B |
| Q1 2026 | 338 | $6.25B |
| Q4 2025 | 334 | $6.44B |
| Q3 2025 | 317 | $4.62B |
| Q2 2025 | 299 | $6.30B |
| Q1 2025 | 318 | $5.67B |
| Q4 2024 | 323 | $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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,724,474 | $901.2M | 0.02% | +168,089+2.0% | Added |
| FMR LLC | 6,336,619 | $654.5M | 0.04% | −201,028−3.1% | Reduced |
| Vanguard Group Inc | 6,112,219 | $631.3M | 0.01% | +147,104+2.5% | Added |
| Wellington Management Group LLP | 3,244,404 | $335.1M | 0.06% | +953,614+41.6% | Added |
| State Street Corp | 2,090,365 | $215.9M | 0.01% | +105,972+5.3% | Added |
| Ameriprise Financial Inc | 1,999,252 | $206.5M | 0.05% | +55,297+2.8% | Added |
| Primecap Management Co | 1,827,998 | $188.8M | 0.15% | +609,523+50.0% | Added |
| Geode Capital Management, LLC | 1,330,593 | $137.5M | 0.01% | +115,529+9.5% | Added |
| Alliancebernstein L.P. | 1,251,854 | $129.3M | 0.04% | −25,685−2.0% | Reduced |
| Westfield Capital Management Co LP | 1,167,853 | $120.6M | 0.51% | +83,669+7.7% | Added |
| Brown Capital Management LLC | 1,139,119 | $117.7M | 3.42% | −53,470−4.5% | Reduced |
| William Blair Investment Management, LLC | 1,136,095 | $117.3M | 0.31% | +390,805+52.4% | Added |
| Janus Henderson Group PLC | 1,087,194 | $112.3M | 0.06% | +186,827+20.8% | Added |
| Holocene Advisors, LP | 1,045,886 | $108.0M | 0.27% | +299,118+40.1% | Added |
| Invesco Ltd. | 997,092 | $103.0M | 0.02% | −455,024−31.3% | Reduced |
| Capital World Investors | 850,893 | $87.9M | 0.01% | +300,571+54.6% | Added |
| Norges Bank | 738,828 | $76.3M | 0.01% | +83,897+12.8% | Added |
| Point72 Asset Management, L.P. | 719,262 | $74.3M | 0.18% | +719,262 | New |
| Gilder Gagnon Howe & Co LLC | 700,634 | $72.4M | 0.77% | −135,895−16.2% | Reduced |
| Charles Schwab Investment Management Inc | 700,458 | $72.4M | 0.01% | +58,480+9.1% | Added |
| JPMorgan Chase & Co | 642,437 | $66.4M | 0.00% | +59,389+10.2% | Added |
| Northern Trust Corp | 635,012 | $65.6M | 0.01% | +65,283+11.5% | Added |
| Braidwell LP | 603,414 | $62.3M | 2.13% | −21,021−3.4% | Reduced |
| Loomis Sayles & Co L P | 593,612 | $61.3M | 0.08% | −46,538−7.3% | Reduced |
| Goldman Sachs Group Inc | 560,920 | $57.9M | 0.01% | +191,773+52.0% | Added |
| Driehaus Capital Management LLC | 500,472 | $51.7M | 0.41% | −473,153−48.6% | Reduced |
| Morgan Stanley | 496,318 | $51.3M | 0.00% | −41,138−7.7% | Reduced |
| Clearbridge Investments, LLC | 478,792 | $49.5M | 0.04% | +129,214+37.0% | Added |
| Fred Alger Management, LLC | 425,974 | $44.0M | 0.20% | −179,716−29.7% | Reduced |
| AustralianSuper Pty Ltd | 406,096 | $41.9M | 0.21% | +406,096 | New |
| Riverbridge Partners LLC | 403,971 | $41.7M | 0.67% | +118,509+41.5% | Added |
| Bank of New York Mellon Corp | 392,542 | $40.5M | 0.01% | +24,284+6.6% | Added |
| New York State Common Retirement Fund | 387,901 | $40.1M | 0.05% | +10,235+2.7% | Added |
| Champlain Investment Partners, LLC | 363,026 | $37.5M | 0.26% | +363,026 | New |
| Dimensional Fund Advisors LP | 333,835 | $34.5M | 0.01% | −95,491−22.2% | Reduced |
| Citadel Advisors LLC | 320,512 | $33.1M | 0.03% | −99,984−23.8% | Reduced |
| Atika Capital Management LLC | 319,500 | $33.0M | 3.45% | +56,000+21.3% | Added |
| Squarepoint Ops LLC | 297,148 | $30.7M | 0.07% | +277,946+1,447.5% | Added |
| Artisan Partners Limited Partnership | 287,221 | $29.7M | 0.04% | −15,172−5.0% | Reduced |
| Bank of America Corp | 285,646 | $29.5M | 0.00% | +73,400+34.6% | Added |
| Principal Financial Group Inc | 283,390 | $29.3M | 0.02% | −43,646−13.3% | Reduced |
| UBS Asset Management Americas Inc | 279,393 | $28.9M | 0.01% | +49,399+21.5% | Added |
| Allspring Global Investments Holdings, LLC | 280,815 | $28.8M | 0.05% | −39,943−12.5% | Reduced |
| Iron Triangle Partners LP | 271,163 | $28.0M | 4.43% | +271,163 | New |
| Capital International Investors | 246,539 | $25.5M | 0.00% | +246,539 | New |
| Amundi | 239,279 | $24.8M | 0.01% | +11,989+5.3% | Added |
| Rhenman & Partners Asset Management AB | 235,000 | $24.3M | 3.07% | −35,000−13.0% | Reduced |
| Marshall Wace, LLP | 230,685 | $23.8M | 0.03% | −114,086−33.1% | Reduced |
| Comerica Bank | 225,190 | $23.3M | 0.09% | +25,889+13.0% | Added |
| Eventide Asset Management, LLC | 220,740 | $22.8M | 0.40% | −70,181−24.1% | Reduced |
| Freestone Grove Partners LP | 219,810 | $22.7M | 0.17% | +219,810 | New |
| Royal Bank of Canada | 196,375 | $20.3M | 0.00% | −31,874−14.0% | Reduced |
| Qube Research & Technologies Ltd | 196,365 | $20.3M | 0.03% | −18,515−8.6% | Reduced |
| Legal & General Group Plc | 195,211 | $20.2M | 0.01% | +11,155+6.1% | Added |
| Public Sector Pension Investment Board | 194,842 | $20.1M | 0.09% | +20,006+11.4% | Added |
| Granite Investment Partners, LLC | 192,580 | $19.9M | 0.97% | +177,648+1,189.7% | Added |
| Polar Asset Management Partners Inc. | 177,123 | $18.3M | 0.46% | +159,132+884.5% | Added |
| C WorldWide Group Holding A/S | 162,212 | $16.8M | 0.23% | 00.0% | Unchanged |
| Rhumbline Advisers | 159,283 | $16.5M | 0.01% | +17,929+12.7% | Added |
| UBS Group AG | 152,840 | $15.8M | 0.00% | +74,484+95.1% | Added |
| Nuveen, LLC | 151,347 | $15.6M | 0.00% | −168,448−52.7% | Reduced |
| Man Group plc | 147,070 | $15.2M | 0.03% | +137,184+1,387.7% | Added |
| Keybank National Association | 142,675 | $14.7M | 0.05% | +340.0% | Added |
| Susquehanna Portfolio Strategies, LLC | 132,713 | $13.7M | 0.30% | +132,713 | New |
| Victory Capital Management Inc | 122,542 | $12.7M | 0.01% | −17,869−12.7% | Reduced |
| Segall Bryant & Hamill, LLC | 122,396 | $12.6M | 0.18% | +20,717+20.4% | Added |
| SEI Investments Co | 120,755 | $12.5M | 0.01% | +19,682+19.5% | Added |
| Raymond James Financial Inc | 114,604 | $11.8M | 0.00% | −14,362−11.1% | Reduced |
| Susquehanna International Group, LLP | 111,994 | $11.6M | 0.02% | +44,487+65.9% | Added |
| Barclays PLC | 109,370 | $11.3M | 0.00% | +43,035+64.9% | Added |
| Voya Investment Management LLC | 108,196 | $11.2M | 0.01% | −47,128−30.3% | Reduced |
| Swiss National Bank | 108,000 | $11.2M | 0.01% | +1,100+1.0% | Added |
| Price T Rowe Associates Inc | 107,542 | $11.1M | 0.00% | +69,777+184.8% | Added |
| Divisadero Street Capital Management, LP | 101,791 | $10.5M | 0.70% | +101,791 | New |
| WCM Investment Management, LLC | 102,870 | $10.4M | 0.02% | +6,047+6.2% | Added |
| Osterweis Capital Management Inc | 94,373 | $9.75M | 0.47% | +35,240+59.6% | Added |
| Jane Street Group, LLC | 86,171 | $8.90M | 0.01% | −87,311−50.3% | Reduced |
| Summit Partners Public Asset Management, LLC | 75,000 | $7.75M | 0.30% | −366,190−83.0% | Reduced |
| Macquarie Group Ltd | 73,834 | $7.63M | 0.01% | +40,264+119.9% | Added |
| California Public Employees Retirement System | 68,277 | $7.05M | 0.00% | −647−0.9% | Reduced |
| Allianz Asset Management GmbH | 64,028 | $6.61M | 0.01% | +7,105+12.5% | Added |
| Baird Financial Group, Inc. | 63,379 | $6.55M | 0.01% | +9,545+17.7% | Added |
| Great West Life Assurance Co | 60,834 | $6.29M | 0.01% | +1,000+1.7% | Added |
| Prudential Financial Inc | 59,372 | $6.13M | 0.01% | +5,583+10.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 59,263 | $6.12M | 0.01% | −30,061−33.7% | Reduced |
| DnB Asset Management AS | 57,283 | $5.92M | 0.02% | +57,283 | New |
| Citigroup Inc | 56,601 | $5.85M | 0.00% | −20,945−27.0% | Reduced |
| Bellevue Group AG | 55,926 | $5.78M | 0.13% | 00.0% | Unchanged |
| EFG Asset Management (North America) Corp. | 55,459 | $5.73M | 0.81% | +2,383+4.5% | Added |
| Silvercrest Asset Management Group LLC | 52,615 | $5.43M | 0.04% | +52,615 | New |
| Ensign Peak Advisors, Inc | 51,429 | $5.31M | 0.01% | +8,645+20.2% | Added |
| California State Teachers Retirement System | 50,854 | $5.25M | 0.01% | +421+0.8% | Added |
| Thornburg Investment Management Inc | 50,430 | $5.21M | 0.07% | 00.0% | Unchanged |
| Integral Health Asset Management, LLC | 50,000 | $5.16M | 0.48% | +50,000 | New |
| Intech Investment Management LLC | 49,316 | $5.09M | 0.05% | −43,248−46.7% | Reduced |
| Envestnet Asset Management Inc | 48,439 | $5.00M | 0.00% | +20,401+72.8% | Added |
| New York State Teachers Retirement System | 48,243 | $4.98M | 0.01% | 00.0% | Unchanged |
| Blair William & Co | 47,250 | $4.88M | 0.01% | +518+1.1% | Added |
| Sit Investment Associates Inc | 45,290 | $4.68M | 0.10% | +27,650+156.7% | Added |
| Thrivent Financial for Lutherans | 42,017 | $4.34M | 0.01% | +1,518+3.7% | Added |