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, 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
- $5.71B
- −$2.81B (−33.0%) 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 | $8.46B |
| 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, 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,556,385 | $842.1M | 0.02% | −240,893−2.7% | Reduced |
| FMR LLC | 6,537,647 | $643.4M | 0.04% | +425,891+7.0% | Added |
| Vanguard Group Inc | 5,965,115 | $587.1M | 0.01% | −9,856−0.2% | Reduced |
| Wellington Management Group LLP | 2,290,790 | $225.5M | 0.04% | +131,251+6.1% | Added |
| State Street Corp | 1,984,393 | $195.3M | 0.01% | −79,006−3.8% | Reduced |
| Ameriprise Financial Inc | 1,943,955 | $191.3M | 0.05% | +13,129+0.7% | Added |
| Invesco Ltd. | 1,452,116 | $142.9M | 0.03% | −6,519−0.4% | Reduced |
| Alliancebernstein L.P. | 1,277,539 | $125.7M | 0.05% | +461,386+56.5% | Added |
| Primecap Management Co | 1,218,475 | $119.9M | 0.10% | +4,150+0.3% | Added |
| Geode Capital Management, LLC | 1,215,064 | $119.6M | 0.01% | +17,849+1.5% | Added |
| Brown Capital Management LLC | 1,192,589 | $117.4M | 3.54% | −155,268−11.5% | Reduced |
| Westfield Capital Management Co LP | 1,084,184 | $106.7M | 0.52% | +277,033+34.3% | Added |
| Driehaus Capital Management LLC | 973,625 | $95.8M | 0.92% | +153,502+18.7% | Added |
| Janus Henderson Group PLC | 900,367 | $91.8M | 0.05% | −192,050−17.6% | Reduced |
| Gilder Gagnon Howe & Co LLC | 836,529 | $82.3M | 1.07% | +11,253+1.4% | Added |
| Holocene Advisors, LP | 746,768 | $73.5M | 0.22% | +437,299+141.3% | Added |
| William Blair Investment Management, LLC | 745,290 | $73.4M | 0.21% | −64,299−7.9% | Reduced |
| Norges Bank | 654,931 | $64.5M | 0.01% | +91,438+16.2% | Added |
| Charles Schwab Investment Management Inc | 641,978 | $63.2M | 0.01% | −8,719−1.3% | Reduced |
| Loomis Sayles & Co L P | 640,150 | $63.0M | 0.09% | −13,922−2.1% | Reduced |
| Braidwell LP | 624,435 | $61.5M | 2.16% | +335,559+116.2% | Added |
| Fred Alger Management, LLC | 605,690 | $59.6M | 0.34% | −159,268−20.8% | Reduced |
| JPMorgan Chase & Co | 583,048 | $57.4M | 0.00% | +182,462+45.5% | Added |
| Northern Trust Corp | 569,729 | $56.1M | 0.01% | −8,944−1.5% | Reduced |
| Capital World Investors | 550,322 | $54.2M | 0.01% | 00.0% | Unchanged |
| Morgan Stanley | 537,456 | $52.9M | 0.00% | +42,771+8.6% | Added |
| Thornburg Investment Management Inc | 50,430 | $49.6M | 0.07% | +4,847+10.6% | Added |
| Summit Partners Public Asset Management, LLC | 441,190 | $43.4M | 2.08% | −288,824−39.6% | Reduced |
| Dimensional Fund Advisors LP | 429,326 | $42.3M | 0.01% | +117,012+37.5% | Added |
| Citadel Advisors LLC | 420,496 | $41.4M | 0.04% | −772,243−64.7% | Reduced |
| New York State Common Retirement Fund | 377,666 | $37.2M | 0.05% | −3,622−0.9% | Reduced |
| Goldman Sachs Group Inc | 369,147 | $36.3M | 0.01% | −29,856−7.5% | Reduced |
| Bank of New York Mellon Corp | 368,258 | $36.2M | 0.01% | −29,584−7.4% | Reduced |
| Clearbridge Investments, LLC | 349,578 | $34.4M | 0.03% | +349,578 | New |
| Marshall Wace, LLP | 344,771 | $33.9M | 0.05% | +344,771 | New |
| Principal Financial Group Inc | 327,036 | $32.2M | 0.02% | +58,502+21.8% | Added |
| Nuveen, LLC | 319,795 | $31.5M | 0.01% | +319,795 | New |
| Allspring Global Investments Holdings, LLC | 320,758 | $31.1M | 0.05% | −21,735−6.3% | Reduced |
| Lord, Abbett & Co. LLC | 310,361 | $30.5M | 0.11% | −999,145−76.3% | Reduced |
| Artisan Partners Limited Partnership | 302,393 | $29.8M | 0.05% | −169,456−35.9% | Reduced |
| Eventide Asset Management, LLC | 290,921 | $28.6M | 0.57% | +290,921 | New |
| Riverbridge Partners LLC | 285,462 | $28.1M | 0.45% | −27,469−8.8% | Reduced |
| Rhenman & Partners Asset Management AB | 270,000 | $26.6M | 3.05% | +233,469+639.1% | Added |
| Atika Capital Management LLC | 263,500 | $25.9M | 3.98% | +24,000+10.0% | Added |
| UBS Asset Management Americas Inc | 229,994 | $22.6M | 0.01% | +67,668+41.7% | Added |
| Royal Bank of Canada | 228,249 | $22.5M | 0.01% | +115,939+103.2% | Added |
| Qube Research & Technologies Ltd | 214,880 | $21.1M | 0.03% | +189,706+753.6% | Added |
| Bank of America Corp | 212,246 | $20.9M | 0.00% | +2,873+1.4% | Added |
| Amundi | 227,290 | $19.8M | 0.01% | +111,872+96.9% | Added |
| Comerica Bank | 199,301 | $19.6M | 0.08% | +47,763+31.5% | Added |
| Ra Capital Management, L.P. | 190,256 | $18.7M | 0.31% | +190,256 | New |
| RTW Investments, LP | 190,000 | $18.7M | 0.29% | +190,000 | New |
| Legal & General Group Plc | 184,056 | $18.1M | 0.00% | −2,652−1.4% | Reduced |
| Public Sector Pension Investment Board | 174,836 | $17.2M | 0.07% | +37,455+27.3% | Added |
| Jane Street Group, LLC | 173,482 | $17.1M | 0.03% | +153,811+781.9% | Added |
| C WorldWide Group Holding A/S | 162,212 | $16.0M | 0.20% | 00.0% | Unchanged |
| Eversept Partners, LP | 158,957 | $15.6M | 1.77% | +158,957 | New |
| Voya Investment Management LLC | 155,324 | $15.3M | 0.02% | −45,374−22.6% | Reduced |
| Keybank National Association | 142,641 | $14.0M | 0.06% | −30.0% | Reduced |
| Rhumbline Advisers | 141,354 | $13.9M | 0.01% | −436−0.3% | Reduced |
| Victory Capital Management Inc | 140,411 | $13.8M | 0.01% | +66,009+88.7% | Added |
| First Turn Management, LLC | 136,241 | $13.4M | 2.70% | +40,144+41.8% | Added |
| Avidity Partners Management LP | 134,000 | $13.2M | 2.72% | −36,000−21.2% | Reduced |
| Raymond James Financial Inc | 128,966 | $12.7M | 0.00% | +16,195+14.4% | Added |
| FIL Ltd | 113,966 | $11.2M | 0.01% | +106,877+1,507.6% | Added |
| Swiss National Bank | 106,900 | $10.5M | 0.01% | −1,200−1.1% | Reduced |
| Great Lakes Advisors, LLC | 106,200 | $10.5M | 0.09% | −7,101−6.3% | Reduced |
| Segall Bryant & Hamill, LLC | 101,679 | $10.0M | 0.15% | −2,870−2.7% | Reduced |
| SEI Investments Co | 101,073 | $9.95M | 0.01% | +12,383+14.0% | Added |
| WCM Investment Management, LLC | 96,823 | $9.88M | 0.03% | −781−0.8% | Reduced |
| Intech Investment Management LLC | 92,564 | $9.11M | 0.09% | +62,963+212.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 89,324 | $8.79M | 0.02% | +6,847+8.3% | Added |
| UBS Group AG | 78,356 | $7.71M | 0.00% | +15,353+24.4% | Added |
| Millennium Management LLC | 78,232 | $7.70M | 0.01% | −314,991−80.1% | Reduced |
| Citigroup Inc | 77,546 | $7.63M | 0.01% | −3,406−4.2% | Reduced |
| Kingdon Capital Management, L.L.C. | 74,400 | $7.32M | 1.52% | +74,400 | New |
| California Public Employees Retirement System | 68,924 | $6.78M | 0.00% | −13,268−16.1% | Reduced |
| Susquehanna International Group, LLP | 67,507 | $6.64M | 0.01% | +45,584+207.9% | Added |
| Barclays PLC | 66,335 | $6.53M | 0.00% | −25,450−27.7% | Reduced |
| Zweig-DiMenna Associates LLC | 60,800 | $5.98M | 0.96% | +2,135+3.6% | Added |
| Great West Life Assurance Co | 59,834 | $5.89M | 0.01% | −5,095−7.8% | Reduced |
| Osterweis Capital Management Inc | 59,133 | $5.82M | 0.29% | +59,133 | New |
| Allianz Asset Management GmbH | 56,923 | $5.60M | 0.01% | −16,221−22.2% | Reduced |
| Bellevue Group AG | 55,926 | $5.50M | 0.12% | −4,949−8.1% | Reduced |
| Baird Financial Group, Inc. | 53,834 | $5.30M | 0.01% | −757−1.4% | Reduced |
| Prudential Financial Inc | 53,789 | $5.29M | 0.01% | −1,714−3.1% | Reduced |
| EFG Asset Management (North America) Corp. | 53,076 | $5.22M | 0.87% | −7,516−12.4% | Reduced |
| California State Teachers Retirement System | 50,433 | $4.96M | 0.01% | −516−1.0% | Reduced |
| ExodusPoint Capital Management, LP | 49,111 | $4.83M | 0.06% | +49,111 | New |
| New York State Teachers Retirement System | 48,243 | $4.75M | 0.01% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 46,985 | $4.62M | 0.01% | +1,871+4.1% | Added |
| Blair William & Co | 46,732 | $4.60M | 0.01% | −672−1.4% | Reduced |
| Ensign Peak Advisors, Inc | 42,784 | $4.21M | 0.01% | −19,421−31.2% | Reduced |
| Thrivent Financial for Lutherans | 40,499 | $3.99M | 0.01% | −2,119−5.0% | Reduced |
| Deutsche Bank AG | 39,936 | $3.93M | 0.00% | −3,923−8.9% | Reduced |
| Jump Financial, LLC | 39,142 | $3.85M | 0.06% | +39,142 | New |
| Harbor Capital Advisors, Inc. | 39,132 | $3.85M | 0.18% | +14,593+59.5% | Added |
| Russell Investments Group, Ltd. | 38,393 | $3.78M | 0.01% | +24,428+174.9% | Added |
| Price T Rowe Associates Inc | 37,765 | $3.72M | 0.00% | +2,583+7.3% | Added |
| Illinois Municipal Retirement Fund | 36,901 | $3.63M | 0.05% | +7,483+25.4% | Added |