GlaukosGKOS
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 297 institutions reported holding Glaukos Corp. (GKOS) in their 13F filings, down 20 from Q1 2025. 45 opened new positions and 65 sold out. The largest holders were BlackRock, Inc. ($901.2M), FMR LLC ($654.5M) and Vanguard Group Inc. ($631.3M). 4 famous investors held it, including Steve Cohen (0.2% of Point72 Asset Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Mario Gabelli (0.0% of GAMCO Investors's portfolio).
- Company
- Glaukos Corp.
- CUSIP
- 377322102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 45 | $282.5M |
| Exits | 65 | $168.3M |
All 13F filers, Q1 2025 → Q2 2025: 8,482,318 shares bought and 5,003,441 shares sold, net +3,478,877 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 297 holders
| BlackRock, Inc. | 0.02% | Add +2.0% | 8,724,474 | $901.2M |
| FMR LLC | 0.04% | Reduce -3.1% | 6,336,619 | $654.5M |
| Vanguard Group Inc. | 0.01% | Add +2.5% | 6,112,219 | $631.3M |
| Wellington Management Group LLP | 0.06% | Add +41.6% | 3,244,404 | $335.1M |
| State Street Corp. | 0.01% | Add +5.3% | 2,090,365 | $215.9M |
| Ameriprise Financial Inc. | 0.05% | Add +2.8% | 1,999,252 | $206.5M |
| Primecap Management Co. | 0.15% | Add +50.0% | 1,827,998 | $188.8M |
| Geode Capital Management, LLC | 0.01% | Add +9.5% | 1,330,593 | $137.5M |
| Alliancebernstein L.P. | 0.04% | Reduce -2.0% | 1,251,854 | $129.3M |
| Westfield Capital Management Co. LP | 0.51% | Add +7.7% | 1,167,853 | $120.6M |
| Brown Capital Management LLC | 3.42% | Reduce -4.5% | 1,139,119 | $117.7M |
| William Blair Investment Management, LLC | 0.31% | Add +52.4% | 1,136,095 | $117.3M |
| Janus Henderson Group PLC | 0.06% | Add +20.8% | 1,087,194 | $112.3M |
| Holocene Advisors, LP | 0.27% | Add +40.1% | 1,045,886 | $108.0M |
| Invesco Ltd. | 0.02% | Reduce -31.3% | 997,092 | $103.0M |
| Capital World Investors | 0.01% | Add +54.6% | 850,893 | $87.9M |
| Norges Bank | 0.01% | Add +12.8% | 738,828 | $76.3M |
| Point72 Asset Management | 0.19% | New | 719,262 | $74.3M |
| Gilder Gagnon Howe & Co. LLC | 0.77% | Reduce -16.3% | 700,634 | $72.4M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +9.1% | 700,458 | $72.4M |
| JPMorgan Chase & Co. | 0.00% | Add +10.2% | 642,437 | $66.4M |
| Northern Trust Corp. | 0.01% | Add +11.5% | 635,012 | $65.6M |
| Braidwell LP | 2.98% | Reduce -3.4% | 603,414 | $62.3M |
| Loomis Sayles & Co. L P | 0.08% | Reduce -7.3% | 593,612 | $61.3M |
| Goldman Sachs Group Inc. | 0.01% | Add +52.0% | 560,920 | $57.9M |
| Driehaus Capital Management LLC | 0.41% | Reduce -48.6% | 500,472 | $51.7M |
| Morgan Stanley | 0.00% | Reduce -7.7% | 496,318 | $51.3M |
| Clearbridge Investments, LLC | 0.04% | Add +37.0% | 478,792 | $49.5M |
| Fred Alger Management, LLC | 0.20% | Reduce -29.7% | 425,974 | $44.0M |
| AustralianSuper Pty Ltd | 0.21% | New | 406,096 | $41.9M |
| Riverbridge Partners LLC | 0.67% | Add +41.5% | 403,971 | $41.7M |
| Bank of New York Mellon Corp | 0.01% | Add +6.6% | 392,542 | $40.5M |
| New York State Common Retirement Fund | 0.05% | Add +2.7% | 387,901 | $40.1M |
| Champlain Investment Partners, LLC | 0.26% | New | 363,026 | $37.5M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -22.2% | 333,835 | $34.5M |
| Citadel Advisors | 0.03% | Reduce -23.8% | 320,512 | $33.1M |
| Atika Capital Management LLC | 3.45% | Add +21.3% | 319,500 | $33.0M |
| Squarepoint Ops LLC | 0.07% | Add +1447.5% | 297,148 | $30.7M |
| Artisan Partners Limited Partnership | 0.04% | Reduce -5.0% | 287,221 | $29.7M |
| Bank of America Corp. | 0.00% | Add +34.6% | 285,646 | $29.5M |
| Principal Financial Group Inc. | 0.02% | Reduce -13.3% | 283,390 | $29.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +21.5% | 279,393 | $28.9M |
| Allspring Global Investments Holdings, LLC | 0.05% | Reduce -12.4% | 280,815 | $28.8M |
| Iron Triangle Partners LP | 4.43% | New | 271,163 | $28.0M |
| Capital International Investors | 0.00% | New | 246,539 | $25.5M |
| Amundi | 0.01% | Add +5.3% | 239,279 | $24.8M |
| Rhenman & Partners Asset Management AB | 3.07% | Reduce -13.0% | 235,000 | $24.3M |
| Marshall Wace, LLP | 0.03% | Reduce -33.1% | 230,685 | $23.8M |
| Comerica Bank | 0.09% | Add +13.0% | 225,190 | $23.3M |
| Eventide Asset Management, LLC | 0.40% | Reduce -24.1% | 220,740 | $22.8M |
| Freestone Grove Partners LP | 0.17% | New | 219,810 | $22.7M |
| Royal Bank of Canada | 0.00% | Reduce -14.0% | 196,375 | $20.3M |
| Qube Research & Technologies Ltd | 0.03% | Reduce -8.6% | 196,365 | $20.3M |
| Legal & General Group Plc | 0.01% | Add +6.1% | 195,211 | $20.2M |
| Public Sector Pension Investment Board | 0.09% | Add +11.4% | 194,842 | $20.1M |
| Granite Investment Partners, LLC | 0.97% | Add +1189.7% | 192,580 | $19.9M |
| Polar Asset Management Partners Inc. | 0.61% | Add +884.5% | 177,123 | $18.3M |
| C WorldWide Group Holding A/S | 0.23% | No change | 162,212 | $16.8M |
| Rhumbline Advisers | 0.01% | Add +12.7% | 159,283 | $16.5M |
| UBS Group AG | 0.00% | Add +95.1% | 152,840 | $15.8M |
| Nuveen, LLC | 0.00% | Reduce -52.7% | 151,347 | $15.6M |
| Man Group plc | 0.03% | Add +1387.7% | 147,070 | $15.2M |
| Keybank National Association | 0.05% | Add +0.0% | 142,675 | $14.7M |
| Susquehanna Portfolio Strategies, LLC | 0.30% | New | 132,713 | $13.7M |
| Victory Capital Management Inc. | 0.01% | Reduce -12.7% | 122,542 | $12.7M |
| Segall Bryant & Hamill, LLC | 0.18% | Add +20.4% | 122,396 | $12.6M |
| Sei Investments Co. | 0.01% | Add +19.5% | 120,755 | $12.5M |
| Raymond James Financial Inc. | 0.00% | Reduce -11.1% | 114,604 | $11.8M |
| Susquehanna International Group, LLP | 0.02% | Add +65.9% | 111,994 | $11.6M |
| Barclays PLC | 0.00% | Add +64.9% | 109,370 | $11.3M |
| Voya Investment Management LLC | 0.01% | Reduce -30.3% | 108,196 | $11.2M |
| Swiss National Bank | 0.01% | Add +1.0% | 108,000 | $11.2M |
| T. Rowe Price Associates Inc. | 0.00% | Add +184.8% | 107,542 | $11.1M |
| Divisadero Street Capital Management, LP | 0.70% | New | 101,791 | $10.5M |
| WCM Investment Management, LLC | 0.02% | Add +6.3% | 102,870 | $10.4M |
| Osterweis Capital Management Inc. | 0.60% | Add +59.6% | 94,373 | $9.7M |
| Jane Street Group, LLC | 0.01% | Reduce -50.3% | 86,171 | $8.9M |
| Summit Partners Public Asset Management, LLC | 0.30% | Reduce -83.0% | 75,000 | $7.7M |
| Macquarie Group Ltd. | 0.01% | Add +119.9% | 73,834 | $7.6M |
| California Public Employees Retirement System | 0.00% | Reduce -0.9% | 68,277 | $7.1M |
| Allianz Asset Management GmbH | 0.01% | Add +12.5% | 64,028 | $6.6M |
| Baird Financial Group, Inc. | 0.01% | Add +17.7% | 63,379 | $6.5M |
| CANADA LIFE ASSURANCE Co | 0.01% | Add +1.7% | 60,834 | $6.3M |
| Prudential Financial Inc. | 0.01% | Add +10.4% | 59,372 | $6.1M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Reduce -33.6% | 59,263 | $6.1M |
| DNB Asset Management AS | 0.02% | New | 57,283 | $5.9M |
| Citigroup Inc. | 0.00% | Reduce -27.0% | 56,601 | $5.8M |
| Bellevue Group AG | 0.13% | No change | 55,926 | $5.8M |
| EFG Asset Management (North America) Corp. | 0.81% | Add +4.5% | 55,459 | $5.7M |
| Silvercrest Asset Management Group LLC | 0.04% | New | 52,615 | $5.4M |
| Ensign Peak Advisors, Inc | 0.01% | Add +20.2% | 51,429 | $5.3M |
| California State Teachers Retirement System | 0.01% | Add +0.8% | 50,854 | $5.3M |
| Thornburg Investment Management Inc. | 0.07% | No change | 50,430 | $5.2M |
| Integral Health Asset Management, LLC | 0.48% | New | 50,000 | $5.2M |
| Intech Investment Management LLC | 0.05% | Reduce -46.7% | 49,316 | $5.1M |
| Envestnet Asset Management Inc. | 0.00% | Add +72.8% | 48,439 | $5.0M |
| New York State Teachers Retirement System | 0.01% | No change | 48,243 | $5.0M |
| Blair William & Co. | 0.01% | Add +1.1% | 47,250 | $4.9M |
| Sit Investment Associates Inc. | 0.10% | Add +156.8% | 45,290 | $4.7M |
| Thrivent Financial for Lutherans | 0.01% | Add +3.8% | 42,017 | $4.3M |
"% of holder's portfolio" is GKOS's weight in each manager's 13F, not the share of Glaukos Corp. the manager owns.