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 $8.46B in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in GLAUKOS Corp as of Sep 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
- 315
- +20 vs. Q2 2025
- Shares held
- 56.6M
- −4.63M (−7.6%) vs. Q2 2025
- Total value
- $4.62B
- −$1.71B (−27.0%) vs. Q2 2025
- New holders
- 62
- 104 more added
- Sold out
- 42
- 117 more reduced
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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 | $8.46B |
| Q1 2026 | 336 | $6.25B |
| Q4 2025 | 332 | $6.45B |
| Q3 2025 | 315 | $4.62B |
| Q2 2025 | 298 | $6.32B |
| Q1 2025 | 317 | $5.73B |
| Q4 2024 | 322 | $8.57B |
| Q3 2024 | 315 | $7.20B |
| Q2 2024 | 282 | $6.58B |
| Q1 2024 | 254 | $5.15B |
| Q4 2023 | 246 | $4.15B |
| Q3 2023 | 233 | $3.80B |
| Q2 2023 | 220 | $3.51B |
| Q1 2023 | 203 | $2.39B |
| Q4 2022 | 215 | $2.07B |
| Q3 2022 | 222 | $2.45B |
| Q2 2022 | 199 | $2.05B |
| Q1 2022 | 211 | $2.50B |
| Q4 2021 | 208 | $1.97B |
| Q3 2021 | 206 | $2.13B |
| Q2 2021 | 219 | $4.10B |
| Q1 2021 | 217 | $4.13B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,655,795 | $705.9M | 0.01% | −68,679−0.8% | Reduced |
| Vanguard Group Inc | 6,046,520 | $493.1M | 0.01% | −65,699−1.1% | Reduced |
| Wellington Management Group LLP | 3,580,670 | $292.0M | 0.05% | +336,266+10.4% | Added |
| Primecap Management Co | 2,253,788 | $183.8M | 0.14% | +425,790+23.3% | Added |
| State Street Corp | 2,104,362 | $171.6M | 0.01% | +13,997+0.7% | Added |
| Ameriprise Financial Inc | 1,900,284 | $155.0M | 0.04% | −98,968−5.0% | Reduced |
| Alliancebernstein L.P. | 1,733,474 | $141.4M | 0.04% | +481,620+38.5% | Added |
| JPMorgan Chase & Co | 1,340,166 | $109.3M | 0.00% | +697,729+108.6% | Added |
| Geode Capital Management, LLC | 1,316,087 | $107.3M | 0.01% | −14,506−1.1% | Reduced |
| Westfield Capital Management Co LP | 1,231,641 | $100.4M | 0.42% | +63,788+5.5% | Added |
| William Blair Investment Management, LLC | 1,093,744 | $89.2M | 0.23% | −42,351−3.7% | Reduced |
| Janus Henderson Group PLC | 1,065,209 | $86.9M | 0.04% | −21,985−2.0% | Reduced |
| Millennium Management LLC | 913,410 | $74.5M | 0.06% | +913,410 | New |
| Capital World Investors | 850,893 | $69.4M | 0.01% | 00.0% | Unchanged |
| Braidwell LP | 780,164 | $63.6M | 1.89% | +176,750+29.3% | Added |
| Brown Capital Management LLC | 762,760 | $62.2M | 2.56% | −376,359−33.0% | Reduced |
| Charles Schwab Investment Management Inc | 702,380 | $57.3M | 0.01% | +1,922+0.3% | Added |
| Point72 Asset Management, L.P. | 690,723 | $56.3M | 0.12% | −28,539−4.0% | Reduced |
| Northern Trust Corp | 627,660 | $51.2M | 0.01% | −7,352−1.2% | Reduced |
| Invesco Ltd. | 607,442 | $49.5M | 0.01% | −389,650−39.1% | Reduced |
| Macquarie Group Ltd | 600,228 | $48.9M | 0.06% | +526,394+712.9% | Added |
| Riverbridge Partners LLC | 569,644 | $46.5M | 0.78% | +165,673+41.0% | Added |
| Holocene Advisors, LP | 547,052 | $44.6M | 0.10% | −498,834−47.7% | Reduced |
| Capital International Investors | 511,510 | $41.7M | 0.01% | +264,971+107.5% | Added |
| Bank of America Corp | 474,930 | $38.7M | 0.00% | +189,284+66.3% | Added |
| Clearbridge Investments, LLC | 471,552 | $38.5M | 0.03% | −7,240−1.5% | Reduced |
| AustralianSuper Pty Ltd | 449,846 | $36.7M | 0.17% | +43,750+10.8% | Added |
| Loomis Sayles & Co L P | 447,429 | $36.5M | 0.04% | −146,183−24.6% | Reduced |
| Goldman Sachs Group Inc | 436,967 | $35.6M | 0.01% | −123,953−22.1% | Reduced |
| Morgan Stanley | 429,578 | $35.0M | 0.00% | −66,740−13.4% | Reduced |
| T. Rowe Price Investment Management, Inc. | 395,653 | $32.3M | 0.02% | +395,653 | New |
| Bank of New York Mellon Corp | 381,394 | $31.1M | 0.01% | −11,148−2.8% | Reduced |
| Royal Bank of Canada | 369,439 | $30.1M | 0.01% | −23,311−5.9% | Reduced |
| Qube Research & Technologies Ltd | 367,528 | $30.0M | 0.04% | +171,163+87.2% | Added |
| Champlain Investment Partners, LLC | 358,419 | $29.2M | 0.22% | −4,607−1.3% | Reduced |
| Iron Triangle Partners LP | 342,804 | $28.0M | 3.98% | +71,641+26.4% | Added |
| Gilder Gagnon Howe & Co LLC | 334,532 | $27.3M | 0.28% | −366,102−52.3% | Reduced |
| Marshall Wace, LLP | 324,527 | $26.5M | 0.03% | +93,842+40.7% | Added |
| Fred Alger Management, LLC | 316,804 | $25.8M | 0.10% | −109,170−25.6% | Reduced |
| Sofinnova Investments, Inc. | 312,994 | $25.5M | 1.57% | +312,994 | New |
| Jane Street Group, LLC | 307,183 | $25.1M | 0.03% | +221,012+256.5% | Added |
| Artisan Partners Limited Partnership | 293,665 | $23.9M | 0.03% | +6,444+2.2% | Added |
| Eventide Asset Management, LLC | 289,275 | $23.6M | 0.39% | +68,535+31.0% | Added |
| D. E. Shaw & Co., Inc. | 278,435 | $22.7M | 0.02% | +278,435 | New |
| Principal Financial Group Inc | 277,202 | $22.6M | 0.01% | −6,188−2.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 267,498 | $22.3M | 0.04% | −13,317−4.7% | Reduced |
| Freestone Grove Partners LP | 263,889 | $21.5M | 0.16% | +44,079+20.1% | Added |
| Dimensional Fund Advisors LP | 241,680 | $19.7M | 0.00% | −92,155−27.6% | Reduced |
| Comerica Bank | 241,646 | $19.7M | 0.07% | +16,456+7.3% | Added |
| Rhenman & Partners Asset Management AB | 230,000 | $18.8M | 2.08% | −5,000−2.1% | Reduced |
| Public Sector Pension Investment Board | 223,708 | $18.2M | 0.07% | +28,866+14.8% | Added |
| Atika Capital Management LLC | 212,400 | $17.3M | 1.48% | −107,100−33.5% | Reduced |
| Squarepoint Ops LLC | 210,814 | $17.2M | 0.04% | −86,334−29.1% | Reduced |
| UBS Group AG | 210,093 | $17.1M | 0.00% | +57,253+37.5% | Added |
| C WorldWide Group Holding A/S | 207,212 | $16.9M | 0.26% | +45,000+27.7% | Added |
| Amundi | 181,389 | $15.7M | 0.01% | −57,890−24.2% | Reduced |
| Legal & General Group Plc | 189,276 | $15.4M | 0.00% | −5,935−3.0% | Reduced |
| Nuveen, LLC | 162,029 | $13.2M | 0.00% | +10,682+7.1% | Added |
| Rhumbline Advisers | 157,697 | $12.9M | 0.01% | −1,586−1.0% | Reduced |
| Assenagon Asset Management S.A. | 157,545 | $12.8M | 0.02% | +145,487+1,206.6% | Added |
| SEI Investments Co | 148,108 | $12.1M | 0.01% | +27,353+22.7% | Added |
| UBS Asset Management Americas Inc | 145,621 | $11.9M | 0.00% | −133,772−47.9% | Reduced |
| Keybank National Association | 142,447 | $11.6M | 0.04% | −228−0.2% | Reduced |
| Osterweis Capital Management Inc | 142,288 | $11.6M | 0.52% | +47,915+50.8% | Added |
| Man Group plc | 138,587 | $11.3M | 0.02% | −8,483−5.8% | Reduced |
| Granite Investment Partners, LLC | 137,347 | $11.2M | 0.64% | −55,233−28.7% | Reduced |
| Voya Investment Management LLC | 128,210 | $10.5M | 0.01% | +20,014+18.5% | Added |
| Segall Bryant & Hamill, LLC | 125,490 | $10.2M | 0.14% | +3,094+2.5% | Added |
| FMR LLC | 121,406 | $9.90M | 0.00% | −6,215,213−98.1% | Reduced |
| Price T Rowe Associates Inc | 116,906 | $9.53M | 0.00% | +9,364+8.7% | Added |
| Swiss National Bank | 110,700 | $9.03M | 0.01% | +2,700+2.5% | Added |
| Raymond James Financial Inc | 107,815 | $8.79M | 0.00% | −6,789−5.9% | Reduced |
| WCM Investment Management, LLC | 102,887 | $8.36M | 0.02% | +170.0% | Added |
| Silvercrest Asset Management Group LLC | 101,447 | $8.27M | 0.05% | +48,832+92.8% | Added |
| Integral Health Asset Management, LLC | 100,000 | $8.15M | 0.59% | +50,000+100.0% | Added |
| Victory Capital Management Inc | 97,307 | $7.94M | 0.00% | −25,235−20.6% | Reduced |
| Cubist Systematic Strategies, LLC | 94,900 | $7.74M | 0.11% | +94,900 | New |
| Barclays PLC | 91,152 | $7.43M | 0.00% | −18,218−16.7% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 85,204 | $6.95M | 0.11% | −47,509−35.8% | Reduced |
| DnB Asset Management AS | 73,550 | $6.00M | 0.02% | +16,267+28.4% | Added |
| California Public Employees Retirement System | 72,353 | $5.90M | 0.00% | +4,076+6.0% | Added |
| Sit Investment Associates Inc | 68,630 | $5.60M | 0.11% | +23,340+51.5% | Added |
| Two Sigma Investments, LP | 66,939 | $5.46M | 0.01% | +66,939 | New |
| Two Sigma Advisers, LP | 61,700 | $5.03M | 0.01% | +61,700 | New |
| Great West Life Assurance Co | 61,348 | $4.99M | 0.01% | +514+0.8% | Added |
| Baird Financial Group, Inc. | 58,849 | $4.80M | 0.01% | −4,530−7.1% | Reduced |
| Allianz Asset Management GmbH | 58,654 | $4.78M | 0.01% | −5,374−8.4% | Reduced |
| Renaissance Technologies LLC | 57,892 | $4.72M | 0.01% | +57,892 | New |
| Prudential Financial Inc | 57,647 | $4.70M | 0.01% | −1,725−2.9% | Reduced |
| Voloridge Investment Management, LLC | 57,218 | $4.67M | 0.02% | +57,218 | New |
| EFG Asset Management (North America) Corp. | 56,548 | $4.61M | 0.60% | +1,089+2.0% | Added |
| Citadel Advisors LLC | 55,940 | $4.56M | 0.00% | −264,572−82.5% | Reduced |
| Bellevue Group AG | 55,926 | $4.56M | 0.09% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 55,883 | $4.56M | 0.00% | +7,444+15.4% | Added |
| Ra Capital Management, L.P. | 54,180 | $4.42M | 0.05% | +54,180 | New |
| California State Teachers Retirement System | 53,784 | $4.39M | 0.00% | +2,930+5.8% | Added |
| New York State Common Retirement Fund | 52,174 | $4.25M | 0.01% | −335,727−86.5% | Reduced |
| Neuberger Berman Group LLC | 50,801 | $4.14M | 0.00% | +8,991+21.5% | Added |
| Intech Investment Management LLC | 50,095 | $4.09M | 0.04% | +779+1.6% | Added |
| Thornburg Investment Management Inc | 49,069 | $4.00M | 0.05% | −1,361−2.7% | Reduced |