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 2021
Institutional positions in GLAUKOS Corp as of Sep 30, 2021. 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
- 206
- −12 vs. Q2 2021
- Shares held
- 44.2M
- −4.21M (−8.7%) vs. Q2 2021
- Total value
- $2.13B
- −$1.98B (−48.1%) vs. Q2 2021
- New holders
- 32
- 86 more added
- Sold out
- 44
- 52 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 7,117,418 | $342.8M | 0.01% | −63,048−0.9% | Reduced |
| Vanguard Group Inc | 4,921,231 | $237.1M | 0.01% | +111,178+2.3% | Added |
| Wellington Management Group LLP | 3,797,177 | $182.9M | 0.03% | +2,076,511+120.7% | Added |
| Brown Capital Management LLC | 3,215,858 | $154.9M | 1.27% | −2,611,212−44.8% | Reduced |
| Baillie Gifford & Co | 2,020,325 | $97.3M | 0.05% | −3,581,371−63.9% | Reduced |
| State Street Corp | 1,636,455 | $78.8M | 0.00% | +100,524+6.5% | Added |
| Artisan Partners Limited Partnership | 1,611,489 | $77.6M | 0.10% | −477,598−22.9% | Reduced |
| Janus Henderson Group PLC | 1,562,319 | $75.3M | 0.03% | +1,116+0.1% | Added |
| Capital World Investors | 750,322 | $36.1M | 0.01% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 747,917 | $36.0M | 0.00% | +3,998+0.5% | Added |
| Gilder Gagnon Howe & Co LLC | 738,293 | $35.6M | 0.18% | −99,156−11.8% | Reduced |
| Marshall Wace, LLP | 672,763 | $32.4M | 0.16% | +668,934+17,470.2% | Added |
| Deerfield Management Company, L.P. (Series C) | 619,000 | $29.8M | 0.58% | +619,000 | New |
| Fred Alger Management, LLC | 616,749 | $29.7M | 0.07% | −91,938−13.0% | Reduced |
| Ameriprise Financial Inc | 576,873 | $27.8M | 0.01% | −429,361−42.7% | Reduced |
| Northern Trust Corp | 568,643 | $27.4M | 0.00% | +438+0.1% | Added |
| Riverbridge Partners LLC | 546,431 | $26.3M | 0.26% | −1,227−0.2% | Reduced |
| Morgan Stanley | 528,649 | $25.5M | 0.00% | +64,143+13.8% | Added |
| Primecap Management Co | 500,200 | $24.1M | 0.02% | +55,700+12.5% | Added |
| Norges Bank | 472,036 | $22.7M | 0.01% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 465,592 | $22.4M | 0.00% | +6,104+1.3% | Added |
| Balyasny Asset Management LLC | 430,690 | $20.7M | 0.10% | +430,690 | New |
| New York State Common Retirement Fund | 405,065 | $19.5M | 0.02% | −590,357−59.3% | Reduced |
| Renaissance Technologies LLC | 386,992 | $18.6M | 0.02% | +186,900+93.4% | Added |
| Pura Vida Investments, LLC | 378,638 | $18.2M | 1.37% | +323,638+588.4% | Added |
| Bank of America Corp | 352,224 | $17.0M | 0.00% | +52,557+17.5% | Added |
| Interwest Venture Management Co | 350,264 | $16.9M | 6.99% | +3,900+1.1% | Added |
| Charles Schwab Investment Management Inc | 321,111 | $15.5M | 0.01% | +3,521+1.1% | Added |
| Citadel Advisors LLC | 293,389 | $14.1M | 0.02% | +238,534+434.8% | Added |
| Nomura Holdings Inc | 277,475 | $13.4M | 0.10% | +83,984+43.4% | Added |
| Invesco Ltd. | 233,844 | $11.3M | 0.00% | −10,359−4.2% | Reduced |
| Natixis | 211,400 | $10.2M | 0.04% | 00.0% | Unchanged |
| Royal Bank of Canada | 210,783 | $10.2M | 0.00% | +47,195+28.8% | Added |
| Wells Fargo & Company | 210,453 | $10.1M | 0.00% | +126,573+150.9% | Added |
| Voloridge Investment Management, LLC | 209,703 | $10.1M | 0.07% | +142,516+212.1% | Added |
| C WorldWide Group Holding A/S | 197,212 | $9.50M | 0.10% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 187,454 | $9.03M | 0.00% | −19,041−9.2% | Reduced |
| Legal & General Group Plc | 184,644 | $8.89M | 0.00% | +25,256+15.8% | Added |
| Marshall Wace North America L.P. | 176,000 | $8.48M | 0.04% | +176,000 | New |
| State of Wisconsin Investment Board | 171,100 | $8.24M | 0.02% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 156,473 | $7.54M | 0.04% | +109,457+232.8% | Added |
| Rhenman & Partners Asset Management AB | 150,000 | $7.23M | 0.51% | +115,000+328.6% | Added |
| Deutsche Bank AG | 144,090 | $6.94M | 0.00% | −31,845−18.1% | Reduced |
| Bellevue Group AG | 143,870 | $6.93M | 0.07% | −351,562−71.0% | Reduced |
| Millennium Management LLC | 140,199 | $6.75M | 0.01% | +126,930+956.6% | Added |
| Goldman Sachs Group Inc | 138,769 | $6.68M | 0.00% | +14,578+11.7% | Added |
| Barclays PLC | 135,689 | $6.54M | 0.00% | +109,048+409.3% | Added |
| Polar Asset Management Partners Inc. | 132,900 | $6.40M | 0.08% | +132,900 | New |
| Mitsubishi UFJ Trust & Banking Corp | 129,800 | $6.25M | 0.01% | −94,580−42.2% | Reduced |
| Two Sigma Investments, LP | 127,675 | $6.15M | 0.02% | +33,265+35.2% | Added |
| JPMorgan Chase & Co | 124,401 | $5.99M | 0.00% | −21,365−14.7% | Reduced |
| Dimensional Fund Advisors LP | 119,283 | $5.75M | 0.00% | −102,129−46.1% | Reduced |
| Rhumbline Advisers | 110,509 | $5.32M | 0.01% | −17,240−13.5% | Reduced |
| Taylor Frigon Capital Management LLC | 108,478 | $5.22M | 1.68% | +39,785+57.9% | Added |
| Silvercrest Asset Management Group LLC | 107,881 | $5.20M | 0.04% | −1,776−1.6% | Reduced |
| Man Group plc | 102,392 | $4.93M | 0.02% | +1,248+1.2% | Added |
| Swiss National Bank | 102,200 | $4.92M | 0.00% | +3,100+3.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 98,800 | $4.76M | 0.01% | +98,800 | New |
| Public Sector Pension Investment Board | 94,570 | $4.55M | 0.03% | 00.0% | Unchanged |
| California Public Employees Retirement System | 92,160 | $4.44M | 0.00% | −9,082−9.0% | Reduced |
| D. E. Shaw & Co., Inc. | 90,705 | $4.37M | 0.01% | +90,705 | New |
| Parametric Portfolio Associates LLC | 87,031 | $4.19M | 0.00% | +9,143+11.7% | Added |
| Teachers Retirement System of the State of Kentucky | 84,399 | $4.07M | 0.04% | −43,751−34.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 83,940 | $4.04M | 0.02% | +40,808+94.6% | Added |
| Cinctive Capital Management LP | 76,000 | $3.66M | 0.20% | +64,666+570.5% | Added |
| PDT Partners, LLC | 74,609 | $3.59M | 0.26% | +23,318+45.5% | Added |
| Exchange Traded Concepts, LLC | 72,421 | $3.49M | 0.09% | +28,579+65.2% | Added |
| Alliancebernstein L.P. | 68,005 | $3.28M | 0.00% | −2,370−3.4% | Reduced |
| Cubist Systematic Strategies, LLC | 67,433 | $3.25M | 0.04% | +40,104+146.7% | Added |
| Squarepoint Ops LLC | 66,961 | $3.23M | 0.02% | +66,961 | New |
| Susquehanna International Group, LLP | 64,976 | $3.13M | 0.00% | +48,830+302.4% | Added |
| Granite Investment Partners, LLC | 64,180 | $3.09M | 0.10% | +16,320+34.1% | Added |
| California State Teachers Retirement System | 62,168 | $3.00M | 0.00% | +231+0.4% | Added |
| Duality Advisers, LP | 61,898 | $2.98M | 0.23% | +61,898 | New |
| State of New Jersey Common Pension Fund D | 55,510 | $2.67M | 0.01% | +22,226+66.8% | Added |
| Prudential Financial Inc | 50,388 | $2.43M | 0.00% | +84+0.2% | Added |
| UBS Asset Management Americas Inc | 48,666 | $2.34M | 0.00% | +1,032+2.2% | Added |
| Credit Suisse AG | 46,369 | $2.23M | 0.00% | −5,848−11.2% | Reduced |
| New York State Teachers Retirement System | 46,343 | $2.23M | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 45,032 | $2.17M | 0.04% | +45,032 | New |
| BNP Paribas Arbitrage, SA | 44,493 | $2.14M | 0.01% | +28,228+173.6% | Added |
| Bridgewater Associates, LP | 44,124 | $2.13M | 0.01% | −2,717−5.8% | Reduced |
| Holocene Advisors, LP | 41,259 | $1.99M | 0.01% | +41,259 | New |
| Great West Life Assurance Co | 39,541 | $1.92M | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 42,196 | $1.90M | 0.01% | −1,052−2.4% | Reduced |
| Blair William & Co | 38,267 | $1.84M | 0.01% | +10,402+37.3% | Added |
| Thrivent Financial for Lutherans | 37,636 | $1.81M | 0.00% | −199−0.5% | Reduced |
| Envestnet Asset Management Inc | 36,777 | $1.77M | 0.00% | +572+1.6% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 35,303 | $1.70M | 0.02% | −214−0.6% | Reduced |
| Jane Street Group, LLC | 35,273 | $1.70M | 0.00% | +24,017+213.4% | Added |
| Texas Permanent School Fund | 34,443 | $1.66M | 0.02% | −48−0.1% | Reduced |
| State of Alaska, Department of Revenue | 33,964 | $1.64M | 0.02% | +1,942+6.1% | Added |
| Ensign Peak Advisors, Inc | 33,700 | $1.62M | 0.00% | +300+0.9% | Added |
| American International Group, Inc. | 28,336 | $1.36M | 0.01% | −968−3.3% | Reduced |
| First Trust Advisors LP | 28,008 | $1.35M | 0.00% | −13,588−32.7% | Reduced |
| Parallax Volatility Advisers, L.P. | 27,336 | $1.32M | 0.01% | +27,336 | New |
| State of Tennessee, Treasury Department | 25,956 | $1.25M | 0.00% | +2,824+12.2% | Added |
| Baird Financial Group, Inc. | 25,923 | $1.25M | 0.00% | +3,781+17.1% | Added |
| Citigroup Inc | 25,821 | $1.24M | 0.00% | −578−2.2% | Reduced |
| Raymond James & Associates | 25,447 | $1.23M | 0.00% | +6,731+36.0% | Added |