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 7 sales; 368 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 | 368 | $8.44B |
| Q1 2026 | 338 | $6.25B |
| Q4 2025 | 334 | $6.44B |
| Q3 2025 | 317 | $4.62B |
| Q2 2025 | 299 | $6.30B |
| Q1 2025 | 318 | $5.67B |
| Q4 2024 | 323 | $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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 7,755,100 | $388.5M | 0.01% | −28,694−0.4% | Reduced |
| Vanguard Group Inc | 5,304,947 | $265.8M | 0.01% | −44,278−0.8% | Reduced |
| Wellington Management Group LLP | 4,684,699 | $234.7M | 0.05% | +299,043+6.8% | Added |
| Brown Capital Management LLC | 2,904,658 | $145.5M | 2.18% | +191,849+7.1% | Added |
| Artisan Partners Limited Partnership | 1,875,057 | $93.9M | 0.16% | −29,512−1.5% | Reduced |
| Braidwell LP | 1,806,651 | $90.5M | 2.99% | +144,800+8.7% | Added |
| State Street Corp | 1,750,876 | $87.7M | 0.00% | +44,555+2.6% | Added |
| Janus Henderson Group PLC | 1,582,396 | $79.3M | 0.05% | +11,452+0.7% | Added |
| Fred Alger Management, LLC | 1,520,787 | $76.2M | 0.41% | +194,028+14.6% | Added |
| Millennium Management LLC | 1,298,052 | $65.0M | 0.08% | +899,776+225.9% | Added |
| Geode Capital Management, LLC | 870,632 | $43.6M | 0.01% | +40,757+4.9% | Added |
| Dimensional Fund Advisors LP | 801,386 | $40.1M | 0.01% | +223,259+38.6% | Added |
| Citadel Advisors LLC | 758,324 | $38.0M | 0.04% | +57,141+8.1% | Added |
| Balyasny Asset Management LLC | 691,899 | $34.7M | 0.11% | +520,758+304.3% | Added |
| Morgan Stanley | 632,253 | $31.7M | 0.00% | −176,953−21.9% | Reduced |
| Primecap Management Co | 608,200 | $30.5M | 0.03% | +57,720+10.5% | Added |
| Riverbridge Partners LLC | 579,911 | $29.1M | 0.41% | −18,885−3.2% | Reduced |
| Pura Vida Investments, LLC | 567,891 | $28.5M | 2.88% | −193,158−25.4% | Reduced |
| Capital World Investors | 550,322 | $27.6M | 0.01% | −200,000−26.7% | Reduced |
| Northern Trust Corp | 539,828 | $27.0M | 0.01% | +3,752+0.7% | Added |
| New York State Common Retirement Fund | 509,881 | $25.5M | 0.03% | +83,693+19.6% | Added |
| Point72 Asset Management, L.P. | 456,700 | $22.9M | 0.08% | −695,900−60.4% | Reduced |
| Bank of America Corp | 453,275 | $22.7M | 0.00% | +108,839+31.6% | Added |
| Bank of New York Mellon Corp | 440,509 | $22.1M | 0.00% | −9,500−2.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 368,100 | $18.4M | 0.04% | +179,000+94.7% | Added |
| Charles Schwab Investment Management Inc | 355,554 | $17.8M | 0.01% | +4,196+1.2% | Added |
| Camber Capital Management LP | 350,000 | $17.5M | 0.60% | 00.0% | Unchanged |
| Lord, Abbett & Co. LLC | 347,171 | $17.4M | 0.06% | −573,034−62.3% | Reduced |
| Norges Bank | 322,502 | $16.2M | 0.00% | −80,259−19.9% | Reduced |
| Principal Financial Group Inc | 302,234 | $15.1M | 0.01% | −7,865−2.5% | Reduced |
| Nomura Holdings Inc | 296,288 | $14.8M | 0.14% | +17,602+6.3% | Added |
| Royal Bank of Canada | 216,975 | $10.9M | 0.00% | +23,937+12.4% | Added |
| Goldman Sachs Group Inc | 216,069 | $10.8M | 0.00% | +35,591+19.7% | Added |
| Invesco Ltd. | 213,108 | $10.7M | 0.00% | −8,469−3.8% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 209,938 | $10.5M | 0.92% | +7,025+3.5% | Added |
| C WorldWide Group Holding A/S | 197,212 | $9.88M | 0.14% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 178,384 | $8.94M | 0.26% | +178,384 | New |
| Ameriprise Financial Inc | 178,315 | $8.93M | 0.00% | −6,200−3.4% | Reduced |
| Polar Asset Management Partners Inc. | 171,908 | $8.61M | 0.15% | −424,400−71.2% | Reduced |
| Peregrine Capital Management LLC | 166,972 | $8.37M | 0.24% | +51,520+44.6% | Added |
| Keybank National Association | 142,288 | $7.13M | 0.03% | 00.0% | Unchanged |
| Rhumbline Advisers | 140,572 | $7.04M | 0.01% | +8,278+6.3% | Added |
| Legal & General Group Plc | 138,183 | $6.92M | 0.00% | −33,476−19.5% | Reduced |
| Moore Capital Management, LP | 137,962 | $6.91M | 0.22% | +84,462+157.9% | Added |
| Nuveen Asset Management, LLC | 135,959 | $6.81M | 0.00% | −19,833−12.7% | Reduced |
| Silvercrest Asset Management Group LLC | 131,318 | $6.58M | 0.05% | −117−0.1% | Reduced |
| Tudor Investment Corp Et Al | 119,662 | $6.00M | 0.11% | +48,749+68.7% | Added |
| SG Americas Securities, LLC | 115,095 | $5.77M | 0.08% | +89,336+346.8% | Added |
| Swiss National Bank | 103,000 | $5.16M | 0.00% | −11,900−10.4% | Reduced |
| D. E. Shaw & Co., Inc. | 98,499 | $4.93M | 0.01% | +48,591+97.4% | Added |
| JPMorgan Chase & Co | 93,936 | $4.71M | 0.00% | −65,528−41.1% | Reduced |
| Altium Capital Management LP | 91,000 | $4.56M | 2.72% | 00.0% | Unchanged |
| Rhenman & Partners Asset Management AB | 92,000 | $4.53M | 0.50% | +7,000+8.2% | Added |
| Susquehanna International Group, LLP | 90,236 | $4.52M | 0.01% | +21,231+30.8% | Added |
| California Public Employees Retirement System | 88,462 | $4.43M | 0.00% | −13,237−13.0% | Reduced |
| Public Sector Pension Investment Board | 83,899 | $4.20M | 0.03% | −2,886−3.3% | Reduced |
| Credit Suisse AG | 74,779 | $3.75M | 0.00% | +4,994+7.2% | Added |
| Envestnet Asset Management Inc | 74,174 | $3.72M | 0.00% | +13,322+21.9% | Added |
| Bridgewater Associates, LP | 71,118 | $3.56M | 0.02% | +3,509+5.2% | Added |
| Gilder Gagnon Howe & Co LLC | 64,617 | $3.24M | 0.05% | +313+0.5% | Added |
| Taylor Frigon Capital Management LLC | 64,088 | $3.21M | 1.75% | −1,051−1.6% | Reduced |
| Alliancebernstein L.P. | 61,369 | $3.07M | 0.00% | −7,041−10.3% | Reduced |
| Granite Investment Partners, LLC | 61,333 | $3.07M | 0.13% | +1,809+3.0% | Added |
| Allianz Asset Management GmbH | 59,806 | $3.00M | 0.01% | −55−0.1% | Reduced |
| California State Teachers Retirement System | 58,930 | $2.95M | 0.00% | −752−1.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 58,066 | $2.91M | 0.02% | +14,102+32.1% | Added |
| Great West Life Assurance Co | 55,301 | $2.77M | 0.01% | −3,144−5.4% | Reduced |
| Caption Management, LLC | 53,370 | $2.67M | 0.57% | +46,146+638.8% | Added |
| UBS Oconnor LLC | 52,738 | $2.64M | 0.06% | +52,738 | New |
| SEI Investments Co | 52,148 | $2.61M | 0.00% | −18,819−26.5% | Reduced |
| UBS Asset Management Americas Inc | 51,044 | $2.56M | 0.00% | −375−0.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 50,509 | $2.53M | 0.02% | −544−1.1% | Reduced |
| New York State Teachers Retirement System | 49,343 | $2.47M | 0.01% | −500−1.0% | Reduced |
| Thrivent Financial for Lutherans | 47,274 | $2.37M | 0.01% | −1,657−3.4% | Reduced |
| Prudential Financial Inc | 46,319 | $2.32M | 0.00% | −1,510−3.2% | Reduced |
| State of New Jersey Common Pension Fund D | 46,034 | $2.31M | 0.01% | −3,066−6.2% | Reduced |
| Truist Financial Corp | 43,102 | $2.16M | 0.00% | +6,535+17.9% | Added |
| Texas Permanent School Fund | 42,780 | $2.14M | 0.02% | +10,710+33.4% | Added |
| Susquehanna Fundamental Investments, LLC | 39,096 | $1.96M | 0.05% | 00.0% | Unchanged |
| Twinbeech Capital LP | 37,378 | $1.87M | 0.04% | +37,378 | New |
| Teachers Retirement System of the State of Kentucky | 35,354 | $1.77M | 0.02% | 00.0% | Unchanged |
| Deutsche Bank AG | 33,351 | $1.67M | 0.00% | +7,797+30.5% | Added |
| State of Alaska, Department of Revenue | 32,666 | $1.64M | 0.02% | −551−1.7% | Reduced |
| Macquarie Group Ltd | 31,511 | $1.58M | 0.00% | +9,046+40.3% | Added |
| EFG Asset Management (North America) Corp. | 28,566 | $1.43M | 0.32% | −1,600−5.3% | Reduced |
| Baird Financial Group, Inc. | 28,104 | $1.41M | 0.00% | +295+1.1% | Added |
| Renaissance Technologies LLC | 27,192 | $1.36M | 0.00% | −9,573−26.0% | Reduced |
| Bank of Montreal | 27,065 | $1.36M | 0.00% | +1,312+5.1% | Added |
| Yousif Capital Management, LLC | 26,891 | $1.35M | 0.02% | −3,505−11.5% | Reduced |
| UBS Group AG | 26,384 | $1.32M | 0.00% | +7,438+39.3% | Added |
| Price T Rowe Associates Inc | 25,410 | $1.27M | 0.00% | −5,003−16.5% | Reduced |
| American International Group, Inc. | 25,101 | $1.26M | 0.01% | +97+0.4% | Added |
| MetLife Investment Management | 24,161 | $1.21M | 0.01% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 23,559 | $1.18M | 0.02% | +2,890+14.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 23,425 | $1.17M | 0.00% | +1,465+6.7% | Added |
| Barclays PLC | 23,226 | $1.16M | 0.00% | +679+3.0% | Added |
| Louisiana State Employees Retirement System | 22,200 | $1.11M | 0.03% | −500−2.2% | Reduced |
| Citigroup Inc | 21,564 | $1.08M | 0.00% | −6,973−24.4% | Reduced |
| Amalgamated Bank | 21,452 | $1.07M | 0.01% | −1,621−7.0% | Reduced |
| Lido Advisors, LLC | 20,100 | $1.01M | 0.01% | +100+0.5% | Added |