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, Q4 2023
Institutional positions in GLAUKOS Corp as of Dec 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
- 246
- +15 vs. Q3 2023
- Shares held
- 52.2M
- +1.68M (+3.3%) vs. Q3 2023
- Total value
- $4.15B
- +$347.7M (+9.1%) vs. Q3 2023
- New holders
- 47
- 85 more added
- Sold out
- 32
- 79 more reduced
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 7,894,315 | $627.5M | 0.02% | −5,546−0.1% | Reduced |
| FMR LLC | 5,819,110 | $462.6M | 0.04% | +2,336,733+67.1% | Added |
| Vanguard Group Inc | 5,236,738 | $416.3M | 0.01% | −3,279−0.1% | Reduced |
| Brown Capital Management LLC | 2,697,794 | $214.4M | 3.22% | +89,420+3.4% | Added |
| State Street Corp | 1,816,911 | $144.4M | 0.01% | +51,104+2.9% | Added |
| Fred Alger Management, LLC | 1,645,081 | $130.8M | 0.71% | −135,609−7.6% | Reduced |
| Janus Henderson Group PLC | 1,616,534 | $128.5M | 0.08% | +1,357+0.1% | Added |
| Invesco Ltd. | 1,572,615 | $125.0M | 0.03% | +122,582+8.5% | Added |
| Wellington Management Group LLP | 1,340,500 | $106.6M | 0.02% | −715,921−34.8% | Reduced |
| Morgan Stanley | 1,324,512 | $105.3M | 0.00% | +594,242+81.4% | Added |
| Artisan Partners Limited Partnership | 1,222,916 | $97.2M | 0.15% | −121,665−9.0% | Reduced |
| Ameriprise Financial Inc | 1,136,685 | $90.4M | 0.03% | +280,524+32.8% | Added |
| Millennium Management LLC | 1,023,333 | $81.3M | 0.08% | −68,695−6.3% | Reduced |
| Geode Capital Management, LLC | 1,007,988 | $80.1M | 0.01% | +56,741+6.0% | Added |
| Lord, Abbett & Co. LLC | 965,642 | $76.8M | 0.14% | −518,252−34.9% | Reduced |
| Dimensional Fund Advisors LP | 923,526 | $73.4M | 0.02% | +31,213+3.5% | Added |
| Primecap Management Co | 790,035 | $62.8M | 0.05% | +151,415+23.7% | Added |
| Driehaus Capital Management LLC | 588,853 | $46.8M | 0.56% | +99,288+20.3% | Added |
| Capital World Investors | 550,322 | $43.7M | 0.01% | 00.0% | Unchanged |
| Riverbridge Partners LLC | 548,136 | $43.6M | 0.54% | −10,351−1.9% | Reduced |
| Northern Trust Corp | 542,708 | $43.1M | 0.01% | −9,609−1.7% | Reduced |
| New York State Common Retirement Fund | 513,029 | $40.8M | 0.06% | +1,867+0.4% | Added |
| Loomis Sayles & Co L P | 436,257 | $34.7M | 0.05% | +436,257 | New |
| American Century Companies Inc | 424,188 | $33.7M | 0.02% | −252,659−37.3% | Reduced |
| Bank of New York Mellon Corp | 410,618 | $32.6M | 0.01% | −16,558−3.9% | Reduced |
| Charles Schwab Investment Management Inc | 392,240 | $31.2M | 0.01% | +5,450+1.4% | Added |
| Bank of America Corp | 371,354 | $29.5M | 0.00% | −19,332−4.9% | Reduced |
| Nuveen Asset Management, LLC | 370,649 | $29.5M | 0.01% | +9,871+2.7% | Added |
| Norges Bank | 362,395 | $28.8M | 0.01% | +17,954+5.2% | Added |
| Price T Rowe Associates Inc | 313,924 | $25.0M | 0.00% | +287,736+1,098.7% | Added |
| Principal Financial Group Inc | 297,469 | $23.6M | 0.02% | −101,103−25.4% | Reduced |
| D. E. Shaw & Co., Inc. | 274,232 | $21.8M | 0.03% | +221,131+416.4% | Added |
| Royal Bank of Canada | 252,368 | $20.1M | 0.00% | +17,141+7.3% | Added |
| JPMorgan Chase & Co | 247,624 | $19.7M | 0.00% | +143,453+137.7% | Added |
| Iron Triangle Partners LP | 244,606 | $19.4M | 2.52% | −185,394−43.1% | Reduced |
| Braidwell LP | 242,760 | $19.3M | 0.71% | −453,032−65.1% | Reduced |
| Nomura Holdings Inc | 232,034 | $18.4M | 0.17% | +7,146+3.2% | Added |
| Man Group plc | 211,746 | $16.8M | 0.05% | +211,746 | New |
| Adage Capital Partners GP, L.L.C. | 200,000 | $15.9M | 0.03% | −250,000−55.6% | Reduced |
| C WorldWide Group Holding A/S | 197,212 | $15.7M | 0.21% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 189,520 | $15.1M | 0.19% | +189,520 | New |
| Renaissance Technologies LLC | 165,692 | $13.2M | 0.02% | +122,200+281.0% | Added |
| Voloridge Investment Management, LLC | 165,393 | $13.1M | 0.05% | +40,563+32.5% | Added |
| Money Concepts Capital Corp | 163,969 | $13.0M | 1.21% | +3,875+2.4% | Added |
| Barclays PLC | 163,898 | $13.0M | 0.01% | +117,859+256.0% | Added |
| Keybank National Association | 142,442 | $11.3M | 0.05% | +154+0.1% | Added |
| Rhumbline Advisers | 138,063 | $11.0M | 0.01% | −3,264−2.3% | Reduced |
| Legal & General Group Plc | 134,365 | $10.7M | 0.00% | −1,189−0.9% | Reduced |
| Goldman Sachs Group Inc | 126,642 | $10.1M | 0.00% | +18,639+17.3% | Added |
| Atika Capital Management LLC | 124,968 | $9.93M | 1.41% | −90,232−41.9% | Reduced |
| Rhenman & Partners Asset Management AB | 120,000 | $9.54M | 0.95% | +47,000+64.4% | Added |
| Citadel Advisors LLC | 118,961 | $9.46M | 0.01% | −246,679−67.5% | Reduced |
| Jane Street Group, LLC | 112,877 | $8.97M | 0.01% | +104,025+1,175.2% | Added |
| Public Sector Pension Investment Board | 101,102 | $8.04M | 0.06% | +40,971+68.1% | Added |
| Peregrine Capital Management LLC | 99,091 | $7.88M | 0.24% | −17,690−15.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 97,799 | $7.77M | 0.04% | +22,018+29.1% | Added |
| BNP Paribas Arbitrage, SA | 93,034 | $7.40M | 0.01% | +63,403+214.0% | Added |
| Swiss National Bank | 91,000 | $7.23M | 0.01% | −9,600−9.5% | Reduced |
| Segall Bryant & Hamill, LLC | 88,798 | $7.06M | 0.14% | +88,798 | New |
| Gilder Gagnon Howe & Co LLC | 87,461 | $6.95M | 0.10% | +17,773+25.5% | Added |
| Qube Research & Technologies Ltd | 86,533 | $6.88M | 0.02% | +86,533 | New |
| Credit Suisse AG | 85,367 | $6.79M | 0.01% | +9,642+12.7% | Added |
| Voya Investment Management LLC | 80,345 | $6.39M | 0.01% | −49,433−38.1% | Reduced |
| Envestnet Asset Management Inc | 79,606 | $6.33M | 0.00% | −21,996−21.6% | Reduced |
| Two Sigma Investments, LP | 79,501 | $6.32M | 0.02% | +79,501 | New |
| California Public Employees Retirement System | 76,804 | $6.11M | 0.00% | +7,107+10.2% | Added |
| Marshall Wace, LLP | 73,128 | $5.81M | 0.01% | +73,128 | New |
| Allspring Global Investments Holdings, LLC | 72,978 | $5.80M | 0.01% | +71,151+3,894.4% | Added |
| SEI Investments Co | 70,423 | $5.60M | 0.01% | −319−0.5% | Reduced |
| Castleark Management LLC | 67,560 | $5.37M | 0.24% | −4,760−6.6% | Reduced |
| Simplex Trading, LLC | 60,734 | $4.83M | 0.15% | +38,541+173.7% | Added |
| Alliancebernstein L.P. | 59,999 | $4.77M | 0.00% | −90−0.1% | Reduced |
| UBS Asset Management Americas Inc | 59,702 | $4.75M | 0.00% | +2,645+4.6% | Added |
| Neuberger Berman Group LLC | 59,218 | $4.71M | 0.00% | +13,469+29.4% | Added |
| Macquarie Group Ltd | 58,791 | $4.67M | 0.01% | −55,421−48.5% | Reduced |
| Allianz Asset Management GmbH | 56,043 | $4.45M | 0.01% | +1,100+2.0% | Added |
| Prudential Financial Inc | 55,658 | $4.42M | 0.01% | −2,885−4.9% | Reduced |
| Great West Life Assurance Co | 52,324 | $4.15M | 0.01% | −1,018−1.9% | Reduced |
| First Trust Advisors LP | 51,219 | $4.07M | 0.00% | −6,821−11.8% | Reduced |
| Taylor Frigon Capital Management LLC | 49,314 | $3.92M | 1.97% | −2,253−4.4% | Reduced |
| California State Teachers Retirement System | 48,980 | $3.89M | 0.01% | −1,864−3.7% | Reduced |
| New York State Teachers Retirement System | 48,343 | $3.84M | 0.01% | 00.0% | Unchanged |
| Jump Financial, LLC | 47,589 | $3.78M | 0.12% | +39,829+513.3% | Added |
| Blair William & Co | 47,127 | $3.75M | 0.01% | −9,485−16.8% | Reduced |
| EAM Investors, LLC | 46,328 | $3.68M | 0.65% | +21,183+84.2% | Added |
| Bridgewater Associates, LP | 43,932 | $3.49M | 0.02% | +23,830+118.5% | Added |
| Thrivent Financial for Lutherans | 43,413 | $3.45M | 0.01% | −1,092−2.5% | Reduced |
| Granite Investment Partners, LLC | 43,341 | $3.45M | 0.13% | −8,210−15.9% | Reduced |
| Texas Permanent School Fund | 42,087 | $3.35M | 0.03% | +770+1.9% | Added |
| State of New Jersey Common Pension Fund D | 41,883 | $3.33M | 0.01% | +8,884+26.9% | Added |
| Manufacturers Life Insurance Company, The | 41,712 | $3.32M | 0.00% | +16,875+67.9% | Added |
| Natixis Advisors, L.P. | 38,920 | $3.09M | 0.01% | +4,941+14.5% | Added |
| TD Asset Management Inc | 38,448 | $3.06M | 0.00% | +38,448 | New |
| UBS Group AG | 37,115 | $2.95M | 0.00% | +30,144+432.4% | Added |
| Quantbot Technologies LP | 35,163 | $2.80M | 0.16% | +35,163 | New |
| Caption Management, LLC | 32,068 | $2.55M | 0.28% | −5,923−15.6% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 32,000 | $2.54M | 0.01% | +32,000 | New |
| PEAK6 Investments LLC | 31,059 | $2.47M | 0.11% | +31,059 | New |
| Polar Asset Management Partners Inc. | 31,036 | $2.47M | 0.07% | −255,072−89.2% | Reduced |
| State of Wisconsin Investment Board | 30,283 | $2.41M | 0.01% | +25,152+490.2% | Added |