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, Q1 2025
Institutional positions in GLAUKOS Corp as of Mar 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
- 317
- −2 vs. Q4 2024
- Shares held
- 57.6M
- +738.8K (+1.3%) vs. Q4 2024
- Total value
- $5.67B
- −$2.85B (−33.5%) vs. Q4 2024
- New holders
- 54
- 116 more added
- Sold out
- 56
- 114 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Corebridge Financial, Inc. | 25,754 | $2.53M | 0.01% | −520−2.0% | Reduced |
| Louisiana State Employees Retirement System | 26,000 | $2.56M | 0.05% | −700−2.6% | Reduced |
| Federated Hermes, Inc. | 27,609 | $2.72M | 0.01% | −615−2.2% | Reduced |
| Envestnet Asset Management Inc | 28,038 | $2.76M | 0.00% | −10,817−27.8% | Reduced |
| Manufacturers Life Insurance Company, The | 28,589 | $2.81M | 0.00% | +757+2.7% | Added |
| MetLife Investment Management | 28,653 | $2.82M | 0.02% | −908−3.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 28,879 | $2.84M | 0.03% | +409+1.4% | Added |
| Natixis Advisors, L.P. | 29,871 | $2.94M | 0.01% | −4,428−12.9% | Reduced |
| CI Private Wealth, LLC | 29,897 | $2.94M | 0.00% | −344−1.1% | Reduced |
| State of Alaska, Department of Revenue | 30,551 | $3.01M | 0.03% | −785−2.5% | Reduced |
| Neuberger Berman Group LLC | 31,113 | $3.06M | 0.00% | −26,345−45.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 31,593 | $3.11M | 0.01% | +1,244+4.1% | Added |
| Macquarie Group Ltd | 33,570 | $3.30M | 0.00% | +33,570 | New |
| Wells Fargo & Company | 35,283 | $3.47M | 0.00% | +2,771+8.5% | Added |
| The PNC Financial Services Group, Inc. | 35,471 | $3.49M | 0.00% | +930+2.7% | Added |
| Nicholas Investment Partners, LP | 35,531 | $3.50M | 0.36% | +3,570+11.2% | Added |
| First Trust Advisors LP | 35,555 | $3.50M | 0.00% | −24,319−40.6% | Reduced |
| Illinois Municipal Retirement Fund | 36,901 | $3.63M | 0.05% | +7,483+25.4% | Added |
| Price T Rowe Associates Inc | 37,765 | $3.72M | 0.00% | +2,583+7.3% | Added |
| Russell Investments Group, Ltd. | 38,393 | $3.78M | 0.01% | +24,428+174.9% | Added |
| Harbor Capital Advisors, Inc. | 39,132 | $3.85M | 0.18% | +14,593+59.5% | Added |
| Jump Financial, LLC | 39,142 | $3.85M | 0.06% | +39,142 | New |
| Deutsche Bank AG | 39,936 | $3.93M | 0.00% | −3,923−8.9% | Reduced |
| Thrivent Financial for Lutherans | 40,499 | $3.99M | 0.01% | −2,119−5.0% | Reduced |
| Ensign Peak Advisors, Inc | 42,784 | $4.21M | 0.01% | −19,421−31.2% | Reduced |
| Blair William & Co | 46,732 | $4.60M | 0.01% | −672−1.4% | Reduced |
| State of Wisconsin Investment Board | 46,985 | $4.62M | 0.01% | +1,871+4.1% | Added |
| New York State Teachers Retirement System | 48,243 | $4.75M | 0.01% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 49,111 | $4.83M | 0.06% | +49,111 | New |
| Thornburg Investment Management Inc | 50,430 | $4.96M | 0.07% | +4,847+10.6% | Added |
| California State Teachers Retirement System | 50,433 | $4.96M | 0.01% | −516−1.0% | Reduced |
| EFG Asset Management (North America) Corp. | 53,076 | $5.22M | 0.87% | −7,516−12.4% | Reduced |
| Prudential Financial Inc | 53,789 | $5.29M | 0.01% | −1,714−3.1% | Reduced |
| Baird Financial Group, Inc. | 53,834 | $5.30M | 0.01% | −757−1.4% | Reduced |
| Bellevue Group AG | 55,926 | $5.50M | 0.12% | −4,949−8.1% | Reduced |
| Allianz Asset Management GmbH | 56,923 | $5.60M | 0.01% | −16,221−22.2% | Reduced |
| Osterweis Capital Management Inc | 59,133 | $5.82M | 0.29% | +59,133 | New |
| Great West Life Assurance Co | 59,834 | $5.89M | 0.01% | −5,095−7.8% | Reduced |
| Zweig-DiMenna Associates LLC | 60,800 | $5.98M | 0.96% | +2,135+3.6% | Added |
| Barclays PLC | 66,335 | $6.53M | 0.00% | −25,450−27.7% | Reduced |
| Susquehanna International Group, LLP | 67,507 | $6.64M | 0.01% | +45,584+207.9% | Added |
| California Public Employees Retirement System | 68,924 | $6.78M | 0.00% | −13,268−16.1% | Reduced |
| Kingdon Capital Management, L.L.C. | 74,400 | $7.32M | 1.52% | +74,400 | New |
| Citigroup Inc | 77,546 | $7.63M | 0.01% | −3,406−4.2% | Reduced |
| Millennium Management LLC | 78,232 | $7.70M | 0.01% | −314,991−80.1% | Reduced |
| UBS Group AG | 78,356 | $7.71M | 0.00% | +15,353+24.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 89,324 | $8.79M | 0.02% | +6,847+8.3% | Added |
| Intech Investment Management LLC | 92,564 | $9.11M | 0.09% | +62,963+212.7% | Added |
| WCM Investment Management, LLC | 96,823 | $9.88M | 0.03% | −781−0.8% | Reduced |
| SEI Investments Co | 101,073 | $9.95M | 0.01% | +12,383+14.0% | Added |
| Segall Bryant & Hamill, LLC | 101,679 | $10.0M | 0.15% | −2,870−2.7% | Reduced |
| Great Lakes Advisors, LLC | 106,200 | $10.5M | 0.09% | −7,101−6.3% | Reduced |
| Swiss National Bank | 106,900 | $10.5M | 0.01% | −1,200−1.1% | Reduced |
| FIL Ltd | 113,966 | $11.2M | 0.01% | +106,877+1,507.6% | Added |
| Raymond James Financial Inc | 128,966 | $12.7M | 0.00% | +16,195+14.4% | Added |
| Avidity Partners Management LP | 134,000 | $13.2M | 2.72% | −36,000−21.2% | Reduced |
| First Turn Management, LLC | 136,241 | $13.4M | 2.70% | +40,144+41.8% | Added |
| Victory Capital Management Inc | 140,411 | $13.8M | 0.01% | +66,009+88.7% | Added |
| Rhumbline Advisers | 141,354 | $13.9M | 0.01% | −436−0.3% | Reduced |
| Keybank National Association | 142,641 | $14.0M | 0.06% | −30.0% | Reduced |
| Voya Investment Management LLC | 155,324 | $15.3M | 0.02% | −45,374−22.6% | Reduced |
| Eversept Partners, LP | 158,957 | $15.6M | 1.77% | +158,957 | New |
| C WorldWide Group Holding A/S | 162,212 | $16.0M | 0.20% | 00.0% | Unchanged |
| Jane Street Group, LLC | 173,482 | $17.1M | 0.03% | +153,811+781.9% | Added |
| Public Sector Pension Investment Board | 174,836 | $17.2M | 0.07% | +37,455+27.3% | Added |
| Legal & General Group Plc | 184,056 | $18.1M | 0.00% | −2,652−1.4% | Reduced |
| RTW Investments, LP | 190,000 | $18.7M | 0.29% | +190,000 | New |
| Ra Capital Management, L.P. | 190,256 | $18.7M | 0.31% | +190,256 | New |
| Comerica Bank | 199,301 | $19.6M | 0.08% | +47,763+31.5% | Added |
| Amundi | 227,290 | $19.8M | 0.01% | +111,872+96.9% | Added |
| Bank of America Corp | 212,246 | $20.9M | 0.00% | +2,873+1.4% | Added |
| Qube Research & Technologies Ltd | 214,880 | $21.1M | 0.03% | +189,706+753.6% | Added |
| Royal Bank of Canada | 228,249 | $22.5M | 0.01% | +115,939+103.2% | Added |
| UBS Asset Management Americas Inc | 229,994 | $22.6M | 0.01% | +67,668+41.7% | Added |
| Atika Capital Management LLC | 263,500 | $25.9M | 3.98% | +24,000+10.0% | Added |
| Rhenman & Partners Asset Management AB | 270,000 | $26.6M | 3.05% | +233,469+639.1% | Added |
| Riverbridge Partners LLC | 285,462 | $28.1M | 0.45% | −27,469−8.8% | Reduced |
| Eventide Asset Management, LLC | 290,921 | $28.6M | 0.57% | +290,921 | New |
| Artisan Partners Limited Partnership | 302,393 | $29.8M | 0.05% | −169,456−35.9% | Reduced |
| Lord, Abbett & Co. LLC | 310,361 | $30.5M | 0.11% | −999,145−76.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 320,758 | $31.1M | 0.05% | −21,735−6.3% | Reduced |
| Nuveen, LLC | 319,795 | $31.5M | 0.01% | +319,795 | New |
| Principal Financial Group Inc | 327,036 | $32.2M | 0.02% | +58,502+21.8% | Added |
| Marshall Wace, LLP | 344,771 | $33.9M | 0.05% | +344,771 | New |
| Clearbridge Investments, LLC | 349,578 | $34.4M | 0.03% | +349,578 | New |
| Bank of New York Mellon Corp | 368,258 | $36.2M | 0.01% | −29,584−7.4% | Reduced |
| Goldman Sachs Group Inc | 369,147 | $36.3M | 0.01% | −29,856−7.5% | Reduced |
| New York State Common Retirement Fund | 377,666 | $37.2M | 0.05% | −3,622−0.9% | Reduced |
| Citadel Advisors LLC | 420,496 | $41.4M | 0.04% | −772,243−64.7% | Reduced |
| Dimensional Fund Advisors LP | 429,326 | $42.3M | 0.01% | +117,012+37.5% | Added |
| Summit Partners Public Asset Management, LLC | 441,190 | $43.4M | 2.08% | −288,824−39.6% | Reduced |
| Morgan Stanley | 537,456 | $52.9M | 0.00% | +42,771+8.6% | Added |
| Capital World Investors | 550,322 | $54.2M | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 569,729 | $56.1M | 0.01% | −8,944−1.5% | Reduced |
| JPMorgan Chase & Co | 583,048 | $57.4M | 0.00% | +182,462+45.5% | Added |
| Fred Alger Management, LLC | 605,690 | $59.6M | 0.34% | −159,268−20.8% | Reduced |
| Braidwell LP | 624,435 | $61.5M | 2.16% | +335,559+116.2% | Added |
| Loomis Sayles & Co L P | 640,150 | $63.0M | 0.09% | −13,922−2.1% | Reduced |
| Charles Schwab Investment Management Inc | 641,978 | $63.2M | 0.01% | −8,719−1.3% | Reduced |
| Norges Bank | 654,931 | $64.5M | 0.01% | +91,438+16.2% | Added |