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, Q1 2023
Institutional positions in GLAUKOS Corp as of Mar 31, 2023. 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
- 203
- −10 vs. Q4 2022
- Shares held
- 47.3M
- +855.7K (+1.8%) vs. Q4 2022
- Total value
- $2.37B
- +$341.4M (+16.8%) vs. Q4 2022
- New holders
- 21
- 81 more added
- Sold out
- 31
- 70 more reduced
2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CI Private Wealth, LLC | 18,464 | $925.0K | 0.00% | +1,966+11.9% | Added |
| Maryland State Retirement & Pension System | 19,210 | $962.4K | 0.02% | −468−2.4% | Reduced |
| BNP Paribas Arbitrage, SA | 19,704 | $987.2K | 0.00% | +12,510+173.9% | Added |
| Lido Advisors, LLC | 20,100 | $1.01M | 0.01% | +100+0.5% | Added |
| Amalgamated Bank | 21,452 | $1.07M | 0.01% | −1,621−7.0% | Reduced |
| Citigroup Inc | 21,564 | $1.08M | 0.00% | −6,973−24.4% | Reduced |
| Louisiana State Employees Retirement System | 22,200 | $1.11M | 0.03% | −500−2.2% | Reduced |
| Barclays PLC | 23,226 | $1.16M | 0.00% | +679+3.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 23,425 | $1.17M | 0.00% | +1,465+6.7% | Added |
| Oppenheimer Asset Management Inc. | 23,559 | $1.18M | 0.02% | +2,890+14.0% | Added |
| MetLife Investment Management | 24,161 | $1.21M | 0.01% | 00.0% | Unchanged |
| American International Group, Inc. | 25,101 | $1.26M | 0.01% | +97+0.4% | Added |
| Price T Rowe Associates Inc | 25,410 | $1.27M | 0.00% | −5,003−16.5% | Reduced |
| UBS Group AG | 26,384 | $1.32M | 0.00% | +7,438+39.3% | Added |
| Yousif Capital Management, LLC | 26,891 | $1.35M | 0.02% | −3,505−11.5% | Reduced |
| Bank of Montreal | 27,065 | $1.36M | 0.00% | +1,312+5.1% | Added |
| Renaissance Technologies LLC | 27,192 | $1.36M | 0.00% | −9,573−26.0% | Reduced |
| Baird Financial Group, Inc. | 28,104 | $1.41M | 0.00% | +295+1.1% | Added |
| EFG Asset Management (North America) Corp. | 28,566 | $1.43M | 0.32% | −1,600−5.3% | Reduced |
| Macquarie Group Ltd | 31,511 | $1.58M | 0.00% | +9,046+40.3% | Added |
| State of Alaska, Department of Revenue | 32,666 | $1.64M | 0.02% | −551−1.7% | Reduced |
| Deutsche Bank AG | 33,351 | $1.67M | 0.00% | +7,797+30.5% | Added |
| Teachers Retirement System of the State of Kentucky | 35,354 | $1.77M | 0.02% | 00.0% | Unchanged |
| Twinbeech Capital LP | 37,378 | $1.87M | 0.04% | +37,378 | New |
| Susquehanna Fundamental Investments, LLC | 39,096 | $1.96M | 0.05% | 00.0% | Unchanged |
| Texas Permanent School Fund | 42,780 | $2.14M | 0.02% | +10,710+33.4% | Added |
| Truist Financial Corp | 43,102 | $2.16M | 0.00% | +6,535+17.9% | Added |
| State of New Jersey Common Pension Fund D | 46,034 | $2.31M | 0.01% | −3,066−6.2% | Reduced |
| Prudential Financial Inc | 46,319 | $2.32M | 0.00% | −1,510−3.2% | Reduced |
| Thrivent Financial for Lutherans | 47,274 | $2.37M | 0.01% | −1,657−3.4% | Reduced |
| New York State Teachers Retirement System | 49,343 | $2.47M | 0.01% | −500−1.0% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 50,509 | $2.53M | 0.02% | −544−1.1% | Reduced |
| UBS Asset Management Americas Inc | 51,044 | $2.56M | 0.00% | −375−0.7% | Reduced |
| SEI Investments Co | 52,148 | $2.61M | 0.00% | −18,819−26.5% | Reduced |
| UBS Oconnor LLC | 52,738 | $2.64M | 0.06% | +52,738 | New |
| Caption Management, LLC | 53,370 | $2.67M | 0.57% | +46,146+638.8% | Added |
| Great West Life Assurance Co | 55,301 | $2.77M | 0.01% | −3,144−5.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 58,066 | $2.91M | 0.02% | +14,102+32.1% | Added |
| California State Teachers Retirement System | 58,930 | $2.95M | 0.00% | −752−1.3% | Reduced |
| Allianz Asset Management GmbH | 59,806 | $3.00M | 0.01% | −55−0.1% | Reduced |
| Granite Investment Partners, LLC | 61,333 | $3.07M | 0.13% | +1,809+3.0% | Added |
| Alliancebernstein L.P. | 61,369 | $3.07M | 0.00% | −7,041−10.3% | Reduced |
| Taylor Frigon Capital Management LLC | 64,088 | $3.21M | 1.75% | −1,051−1.6% | Reduced |
| Gilder Gagnon Howe & Co LLC | 64,617 | $3.24M | 0.05% | +313+0.5% | Added |
| Bridgewater Associates, LP | 71,118 | $3.56M | 0.02% | +3,509+5.2% | Added |
| Envestnet Asset Management Inc | 74,174 | $3.72M | 0.00% | +13,322+21.9% | Added |
| Credit Suisse AG | 74,779 | $3.75M | 0.00% | +4,994+7.2% | Added |
| Public Sector Pension Investment Board | 83,899 | $4.20M | 0.03% | −2,886−3.3% | Reduced |
| California Public Employees Retirement System | 88,462 | $4.43M | 0.00% | −13,237−13.0% | Reduced |
| Susquehanna International Group, LLP | 90,236 | $4.52M | 0.01% | +21,231+30.8% | Added |
| Rhenman & Partners Asset Management AB | 92,000 | $4.53M | 0.50% | +7,000+8.2% | Added |
| Altium Capital Management LP | 91,000 | $4.56M | 2.72% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 93,936 | $4.71M | 0.00% | −65,528−41.1% | Reduced |
| D. E. Shaw & Co., Inc. | 98,499 | $4.93M | 0.01% | +48,591+97.4% | Added |
| Swiss National Bank | 103,000 | $5.16M | 0.00% | −11,900−10.4% | Reduced |
| SG Americas Securities, LLC | 115,095 | $5.77M | 0.08% | +89,336+346.8% | Added |
| Tudor Investment Corp Et Al | 119,662 | $6.00M | 0.11% | +48,749+68.7% | Added |
| Silvercrest Asset Management Group LLC | 131,318 | $6.58M | 0.05% | −117−0.1% | Reduced |
| Nuveen Asset Management, LLC | 135,959 | $6.81M | 0.00% | −19,833−12.7% | Reduced |
| Moore Capital Management, LP | 137,962 | $6.91M | 0.22% | +84,462+157.9% | Added |
| Legal & General Group Plc | 138,183 | $6.92M | 0.00% | −33,476−19.5% | Reduced |
| Rhumbline Advisers | 140,572 | $7.04M | 0.01% | +8,278+6.3% | Added |
| Keybank National Association | 142,288 | $7.13M | 0.03% | 00.0% | Unchanged |
| Peregrine Capital Management LLC | 166,972 | $8.37M | 0.24% | +51,520+44.6% | Added |
| Polar Asset Management Partners Inc. | 171,908 | $8.61M | 0.15% | −424,400−71.2% | Reduced |
| Ameriprise Financial Inc | 178,315 | $8.93M | 0.00% | −6,200−3.4% | Reduced |
| Boothbay Fund Management, LLC | 178,384 | $8.94M | 0.26% | +178,384 | New |
| C WorldWide Group Holding A/S | 197,212 | $9.88M | 0.14% | 00.0% | Unchanged |
| Lombard Odier Asset Management (Switzerland) SA | 209,938 | $10.5M | 0.92% | +7,025+3.5% | Added |
| Invesco Ltd. | 213,108 | $10.7M | 0.00% | −8,469−3.8% | Reduced |
| Goldman Sachs Group Inc | 216,069 | $10.8M | 0.00% | +35,591+19.7% | Added |
| Royal Bank of Canada | 216,975 | $10.9M | 0.00% | +23,937+12.4% | Added |
| Nomura Holdings Inc | 296,288 | $14.8M | 0.14% | +17,602+6.3% | Added |
| Principal Financial Group Inc | 302,234 | $15.1M | 0.01% | −7,865−2.5% | Reduced |
| Norges Bank | 322,502 | $16.2M | 0.00% | −80,259−19.9% | Reduced |
| Lord, Abbett & Co. LLC | 347,171 | $17.4M | 0.06% | −573,034−62.3% | Reduced |
| Camber Capital Management LP | 350,000 | $17.5M | 0.60% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 355,554 | $17.8M | 0.01% | +4,196+1.2% | Added |
| Adage Capital Partners GP, L.L.C. | 368,100 | $18.4M | 0.04% | +179,000+94.7% | Added |
| Bank of New York Mellon Corp | 440,509 | $22.1M | 0.00% | −9,500−2.1% | Reduced |
| Bank of America Corp | 453,275 | $22.7M | 0.00% | +108,839+31.6% | Added |
| Point72 Asset Management, L.P. | 456,700 | $22.9M | 0.08% | −695,900−60.4% | Reduced |
| New York State Common Retirement Fund | 509,881 | $25.5M | 0.03% | +83,693+19.6% | Added |
| Northern Trust Corp | 539,828 | $27.0M | 0.01% | +3,752+0.7% | Added |
| Capital World Investors | 550,322 | $27.6M | 0.01% | −200,000−26.7% | Reduced |
| Pura Vida Investments, LLC | 567,891 | $28.5M | 2.88% | −193,158−25.4% | Reduced |
| Riverbridge Partners LLC | 579,911 | $29.1M | 0.41% | −18,885−3.2% | Reduced |
| Primecap Management Co | 608,200 | $30.5M | 0.03% | +57,720+10.5% | Added |
| Morgan Stanley | 632,253 | $31.7M | 0.00% | −176,953−21.9% | Reduced |
| Balyasny Asset Management LLC | 691,899 | $34.7M | 0.11% | +520,758+304.3% | Added |
| Citadel Advisors LLC | 758,324 | $38.0M | 0.04% | +57,141+8.1% | Added |
| Dimensional Fund Advisors LP | 801,386 | $40.1M | 0.01% | +223,259+38.6% | Added |
| Geode Capital Management, LLC | 870,632 | $43.6M | 0.01% | +40,757+4.9% | Added |
| Millennium Management LLC | 1,298,052 | $65.0M | 0.08% | +899,776+225.9% | Added |
| Fred Alger Management, LLC | 1,520,787 | $76.2M | 0.41% | +194,028+14.6% | Added |
| Janus Henderson Group PLC | 1,582,396 | $79.3M | 0.05% | +11,452+0.7% | Added |
| State Street Corp | 1,750,876 | $87.7M | 0.00% | +44,555+2.6% | Added |
| Braidwell LP | 1,806,651 | $90.5M | 2.99% | +144,800+8.7% | Added |
| Artisan Partners Limited Partnership | 1,875,057 | $93.9M | 0.16% | −29,512−1.5% | Reduced |
| Brown Capital Management LLC | 2,904,658 | $145.5M | 2.18% | +191,849+7.1% | Added |