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 $8.44B 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
- −$1.97B (−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 | $8.44B |
| 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, 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 |
|---|---|---|---|---|---|
| Arrowstreet Capital, Limited Partnership | 22,700 | $1.09M | 0.00% | +22,700 | New |
| Manufacturers Life Insurance Company, The | 23,086 | $1.11M | 0.00% | −2,116−8.4% | Reduced |
| UBS Group AG | 23,126 | $1.11M | 0.00% | +20,051+652.1% | Added |
| Quantbot Technologies LP | 23,523 | $1.13M | 0.08% | +23,523 | New |
| Price T Rowe Associates Inc | 23,612 | $1.14M | 0.00% | −857−3.5% | Reduced |
| Amalgamated Bank | 24,084 | $1.16M | 0.01% | −753−3.0% | Reduced |
| Raymond James & Associates | 25,447 | $1.23M | 0.00% | +6,731+36.0% | Added |
| Citigroup Inc | 25,821 | $1.24M | 0.00% | −578−2.2% | Reduced |
| Baird Financial Group, Inc. | 25,923 | $1.25M | 0.00% | +3,781+17.1% | Added |
| State of Tennessee, Treasury Department | 25,956 | $1.25M | 0.00% | +2,824+12.2% | Added |
| Parallax Volatility Advisers, L.P. | 27,336 | $1.32M | 0.01% | +27,336 | New |
| First Trust Advisors LP | 28,008 | $1.35M | 0.00% | −13,588−32.7% | Reduced |
| American International Group, Inc. | 28,336 | $1.36M | 0.01% | −968−3.3% | Reduced |
| Ensign Peak Advisors, Inc | 33,700 | $1.62M | 0.00% | +300+0.9% | Added |
| State of Alaska, Department of Revenue | 33,964 | $1.64M | 0.02% | +1,942+6.1% | Added |
| Texas Permanent School Fund | 34,443 | $1.66M | 0.02% | −48−0.1% | Reduced |
| Jane Street Group, LLC | 35,273 | $1.70M | 0.00% | +24,017+213.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 35,303 | $1.70M | 0.02% | −214−0.6% | Reduced |
| Envestnet Asset Management Inc | 36,777 | $1.77M | 0.00% | +572+1.6% | Added |
| Thrivent Financial for Lutherans | 37,636 | $1.81M | 0.00% | −199−0.5% | Reduced |
| Blair William & Co | 38,267 | $1.84M | 0.01% | +10,402+37.3% | Added |
| Comerica Bank | 42,196 | $1.90M | 0.01% | −1,052−2.4% | Reduced |
| Great West Life Assurance Co | 39,541 | $1.92M | 0.00% | 00.0% | Unchanged |
| Holocene Advisors, LP | 41,259 | $1.99M | 0.01% | +41,259 | New |
| Bridgewater Associates, LP | 44,124 | $2.13M | 0.01% | −2,717−5.8% | Reduced |
| BNP Paribas Arbitrage, SA | 44,493 | $2.14M | 0.01% | +28,228+173.6% | Added |
| Tudor Investment Corp Et Al | 45,032 | $2.17M | 0.04% | +45,032 | New |
| New York State Teachers Retirement System | 46,343 | $2.23M | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 46,369 | $2.23M | 0.00% | −5,848−11.2% | Reduced |
| UBS Asset Management Americas Inc | 48,666 | $2.34M | 0.00% | +1,032+2.2% | Added |
| Prudential Financial Inc | 50,388 | $2.43M | 0.00% | +84+0.2% | Added |
| State of New Jersey Common Pension Fund D | 55,510 | $2.67M | 0.01% | +22,226+66.8% | Added |
| Duality Advisers, LP | 61,898 | $2.98M | 0.23% | +61,898 | New |
| California State Teachers Retirement System | 62,168 | $3.00M | 0.00% | +231+0.4% | Added |
| Granite Investment Partners, LLC | 64,180 | $3.09M | 0.10% | +16,320+34.1% | Added |
| Susquehanna International Group, LLP | 64,976 | $3.13M | 0.00% | +48,830+302.4% | Added |
| Squarepoint Ops LLC | 66,961 | $3.23M | 0.02% | +66,961 | New |
| Cubist Systematic Strategies, LLC | 67,433 | $3.25M | 0.04% | +40,104+146.7% | Added |
| Alliancebernstein L.P. | 68,005 | $3.28M | 0.00% | −2,370−3.4% | Reduced |
| Exchange Traded Concepts, LLC | 72,421 | $3.49M | 0.09% | +28,579+65.2% | Added |
| PDT Partners, LLC | 74,609 | $3.59M | 0.26% | +23,318+45.5% | Added |
| Cinctive Capital Management LP | 76,000 | $3.66M | 0.20% | +64,666+570.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 83,940 | $4.04M | 0.02% | +40,808+94.6% | Added |
| Teachers Retirement System of the State of Kentucky | 84,399 | $4.07M | 0.04% | −43,751−34.1% | Reduced |
| Parametric Portfolio Associates LLC | 87,031 | $4.19M | 0.00% | +9,143+11.7% | Added |
| D. E. Shaw & Co., Inc. | 90,705 | $4.37M | 0.01% | +90,705 | New |
| California Public Employees Retirement System | 92,160 | $4.44M | 0.00% | −9,082−9.0% | Reduced |
| Public Sector Pension Investment Board | 94,570 | $4.55M | 0.03% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 98,800 | $4.76M | 0.01% | +98,800 | New |
| Swiss National Bank | 102,200 | $4.92M | 0.00% | +3,100+3.1% | Added |
| Man Group plc | 102,392 | $4.93M | 0.02% | +1,248+1.2% | Added |
| Silvercrest Asset Management Group LLC | 107,881 | $5.20M | 0.04% | −1,776−1.6% | Reduced |
| Taylor Frigon Capital Management LLC | 108,478 | $5.22M | 1.68% | +39,785+57.9% | Added |
| Rhumbline Advisers | 110,509 | $5.32M | 0.01% | −17,240−13.5% | Reduced |
| Dimensional Fund Advisors LP | 119,283 | $5.75M | 0.00% | −102,129−46.1% | Reduced |
| JPMorgan Chase & Co | 124,401 | $5.99M | 0.00% | −21,365−14.7% | Reduced |
| Two Sigma Investments, LP | 127,675 | $6.15M | 0.02% | +33,265+35.2% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 129,800 | $6.25M | 0.01% | −94,580−42.2% | Reduced |
| Polar Asset Management Partners Inc. | 132,900 | $6.40M | 0.08% | +132,900 | New |
| Barclays PLC | 135,689 | $6.54M | 0.00% | +109,048+409.3% | Added |
| Goldman Sachs Group Inc | 138,769 | $6.68M | 0.00% | +14,578+11.7% | Added |
| Millennium Management LLC | 140,199 | $6.75M | 0.01% | +126,930+956.6% | Added |
| Bellevue Group AG | 143,870 | $6.93M | 0.07% | −351,562−71.0% | Reduced |
| Deutsche Bank AG | 144,090 | $6.94M | 0.00% | −31,845−18.1% | Reduced |
| Rhenman & Partners Asset Management AB | 150,000 | $7.23M | 0.51% | +115,000+328.6% | Added |
| SG Americas Securities, LLC | 156,473 | $7.54M | 0.04% | +109,457+232.8% | Added |
| State of Wisconsin Investment Board | 171,100 | $8.24M | 0.02% | 00.0% | Unchanged |
| Marshall Wace North America L.P. | 176,000 | $8.48M | 0.04% | +176,000 | New |
| Legal & General Group Plc | 184,644 | $8.89M | 0.00% | +25,256+15.8% | Added |
| Nuveen Asset Management, LLC | 187,454 | $9.03M | 0.00% | −19,041−9.2% | Reduced |
| C WorldWide Group Holding A/S | 197,212 | $9.50M | 0.10% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 209,703 | $10.1M | 0.07% | +142,516+212.1% | Added |
| Wells Fargo & Company | 210,453 | $10.1M | 0.00% | +126,573+150.9% | Added |
| Royal Bank of Canada | 210,783 | $10.2M | 0.00% | +47,195+28.8% | Added |
| Natixis | 211,400 | $10.2M | 0.04% | 00.0% | Unchanged |
| Invesco Ltd. | 233,844 | $11.3M | 0.00% | −10,359−4.2% | Reduced |
| Nomura Holdings Inc | 277,475 | $13.4M | 0.10% | +83,984+43.4% | Added |
| Citadel Advisors LLC | 293,389 | $14.1M | 0.02% | +238,534+434.8% | Added |
| Charles Schwab Investment Management Inc | 321,111 | $15.5M | 0.01% | +3,521+1.1% | Added |
| Interwest Venture Management Co | 350,264 | $16.9M | 6.99% | +3,900+1.1% | Added |
| Bank of America Corp | 352,224 | $17.0M | 0.00% | +52,557+17.5% | Added |
| Pura Vida Investments, LLC | 378,638 | $18.2M | 1.37% | +323,638+588.4% | Added |
| Renaissance Technologies LLC | 386,992 | $18.6M | 0.02% | +186,900+93.4% | Added |
| New York State Common Retirement Fund | 405,065 | $19.5M | 0.02% | −590,357−59.3% | Reduced |
| Balyasny Asset Management LLC | 430,690 | $20.7M | 0.10% | +430,690 | New |
| Bank of New York Mellon Corp | 465,592 | $22.4M | 0.00% | +6,104+1.3% | Added |
| Norges Bank | 472,036 | $22.7M | 0.01% | 00.0% | Unchanged |
| Primecap Management Co | 500,200 | $24.1M | 0.02% | +55,700+12.5% | Added |
| Morgan Stanley | 528,649 | $25.5M | 0.00% | +64,143+13.8% | Added |
| Riverbridge Partners LLC | 546,431 | $26.3M | 0.26% | −1,227−0.2% | Reduced |
| Northern Trust Corp | 568,643 | $27.4M | 0.00% | +438+0.1% | Added |
| Ameriprise Financial Inc | 576,873 | $27.8M | 0.01% | −429,361−42.7% | Reduced |
| Fred Alger Management, LLC | 616,749 | $29.7M | 0.07% | −91,938−13.0% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 619,000 | $29.8M | 0.58% | +619,000 | New |
| Marshall Wace, LLP | 672,763 | $32.4M | 0.16% | +668,934+17,470.2% | Added |
| Gilder Gagnon Howe & Co LLC | 738,293 | $35.6M | 0.18% | −99,156−11.8% | Reduced |
| Geode Capital Management, LLC | 747,917 | $36.0M | 0.00% | +3,998+0.5% | Added |
| Capital World Investors | 750,322 | $36.1M | 0.01% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 1,562,319 | $75.3M | 0.03% | +1,116+0.1% | Added |
| Artisan Partners Limited Partnership | 1,611,489 | $77.6M | 0.10% | −477,598−22.9% | Reduced |