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 11 sales; 367 institutions reported holding it in 13F filings for Q2 2026, worth $8.44B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in GLAUKOS Corp as of Mar 31, 2026. 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
- 336
- +10 vs. Q4 2025
- Shares held
- 58.0M
- +7.48M (+14.8%) vs. Q4 2025
- Total value
- $6.25B
- +$549.2M (+9.6%) vs. Q4 2025
- New holders
- 50
- 110 more added
- Sold out
- 40
- 127 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 2026
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| New Age Alpha Advisors, LLC | 4,195 | $451.6K | 0.02% | −114−2.6% | Reduced |
| Crossmark Global Holdings, Inc. | 4,024 | $433.2K | 0.01% | −10−0.2% | Reduced |
| Tower Research Capital LLC (TRC) | 4,003 | $431.0K | 0.01% | +1,809+82.5% | Added |
| Qsemble Capital Management, LP | 3,789 | $407.9K | 0.03% | +107+2.9% | Added |
| Winton Group Ltd | 3,700 | $398.3K | 0.01% | +3,700 | New |
| Schroder Investment Management Group | 3,793 | $398.3K | 0.00% | −104−2.7% | Reduced |
| Bessemer Group Inc | 3,573 | $385.0K | 0.00% | −5,880−62.2% | Reduced |
| Swiss Life Asset Management Ltd | 3,550 | $382.2K | 0.00% | +990+38.7% | Added |
| TFB Advisors LLC | 3,543 | $381.4K | 0.20% | +3,543 | New |
| Apriem Advisors | 3,412 | $367.3K | 0.04% | 00.0% | Unchanged |
| Stephens Inc | 3,371 | $362.9K | 0.00% | +3,371 | New |
| Sanctuary Advisors, LLC | 3,323 | $357.8K | 0.00% | +1,225+58.4% | Added |
| Ensign Peak Advisors, Inc | 3,321 | $357.5K | 0.00% | −1,245−27.3% | Reduced |
| Quantum Private Wealth, LLC | 3,272 | $352.3K | 0.11% | 00.0% | Unchanged |
| Gamco Investors, Inc. Et Al | 3,264 | $351.4K | 0.00% | −437−11.8% | Reduced |
| Cetera Investment Advisers | 3,133 | $337.3K | 0.00% | −433−12.1% | Reduced |
| Advisor Group Holdings, Inc. | 3,132 | $337.2K | 0.00% | −1,009−24.4% | Reduced |
| Steel Peak Wealth Management LLC | 3,039 | $327.2K | 0.01% | 00.0% | Unchanged |
| Everence Capital Management Inc | 3,039 | $327.0K | 0.02% | −781−20.4% | Reduced |
| Gabelli Funds LLC | 3,000 | $323.0K | 0.00% | 00.0% | Unchanged |
| Atria Investments LLC | 2,986 | $321.5K | 0.00% | −562−15.8% | Reduced |
| XTX Topco Ltd | 2,983 | $321.1K | 0.01% | +255+9.3% | Added |
| Van Eck Associates Corp | 2,911 | $313.0K | 0.00% | +502+20.8% | Added |
| CIBC Bancorp USA Inc. | 2,836 | $305.3K | 0.00% | +2,836 | New |
| Fieldview Capital Management, LLC | 2,829 | $304.6K | 0.09% | −170−5.7% | Reduced |
| Capricorn Fund Managers Ltd | 2,800 | $301.4K | 0.05% | −57,200−95.3% | Reduced |
| CIBC Asset Management Inc | 2,677 | $288.2K | 0.00% | −46−1.7% | Reduced |
| O'Shaughnessy Asset Management, LLC | 2,645 | $284.8K | 0.00% | +82+3.2% | Added |
| Profund Advisors LLC | 2,634 | $283.6K | 0.01% | −1,295−33.0% | Reduced |
| Farallon Capital Management, L.L.C. | 2,600 | $279.9K | 0.00% | 00.0% | Unchanged |
| High Note Wealth, LLC | 2,557 | $275.3K | 0.05% | 00.0% | Unchanged |
| Abacus Wealth Partners, LLC | 2,554 | $275.0K | 0.03% | +111+4.5% | Added |
| CMH Wealth Management LLC | 2,438 | $262.5K | 0.05% | +2,438 | New |
| Nisa Investment Advisors, LLC | 2,347 | $252.7K | 0.00% | +36+1.6% | Added |
| GAMMA Investing LLC | 2,338 | $251.7K | 0.01% | +770+49.1% | Added |
| Wealth Alliance | 2,297 | $247.3K | 0.02% | +98+4.5% | Added |
| Mount Yale Investment Advisors, LLC | 2,290 | $246.5K | 0.01% | +2,290 | New |
| Boothbay Fund Management, LLC | 2,259 | $243.2K | 0.01% | +2,259 | New |
| RWC Asset Management LLP | 2,197 | $236.5K | 0.01% | +407+22.7% | Added |
| Abel Hall, LLC | 2,185 | $235.2K | 0.05% | −654−23.0% | Reduced |
| Stonebridge Financial Group, LLC | 2,125 | $228.8K | 0.02% | +10.0% | Added |
| Sequoia Financial Advisors, LLC | 2,077 | $223.6K | 0.00% | +281+15.6% | Added |
| Daiwa Securities Group Inc. | 2,072 | $223.1K | 0.00% | +2,072 | New |
| Guggenheim Capital LLC | 2,053 | $221.0K | 0.00% | −7−0.3% | Reduced |
| Shelton Capital Management | 2,015 | $216.9K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 1,995 | $214.8K | 0.00% | −122−5.8% | Reduced |
| RSM US Wealth Management LLC | 1,991 | $214.4K | 0.00% | +177+9.8% | Added |
| State of Wyoming | 1,931 | $207.9K | 0.02% | −72−3.6% | Reduced |
| HSBC Holdings PLC | 1,899 | $204.4K | 0.00% | +50+2.7% | Added |
| Acadian Asset Management LLC | 1,887 | $203.0K | 0.00% | +789+71.9% | Added |
| Fund Advisors of America Inc | 1,878 | $202.2K | 0.20% | −62−3.2% | Reduced |
| GTS Securities LLC | 1,871 | $201.4K | 0.01% | +1,871 | New |
| Parkside Financial Bank & Trust | 1,786 | $192.3K | 0.01% | −54−2.9% | Reduced |
| KBC Group NV | 1,689 | $182.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 1,613 | $173.7K | 0.01% | +627+63.6% | Added |
| Archer Investment Corp | 1,594 | $171.6K | 0.04% | +1,594 | New |
| SBI Securities Co., Ltd. | 1,291 | $139.0K | 0.00% | +14+1.1% | Added |
| Pinnacle Wealth Planning Services, Inc. | 1,242 | $133.7K | 0.01% | +66+5.6% | Added |
| Eurizon Capital SGR S.p.A. | 1,098 | $115.9K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 865 | $93.1K | 0.00% | +102+13.4% | Added |
| Rockefeller Capital Management L.P. | 753 | $81.1K | 0.00% | +552+274.6% | Added |
| CWM, LLC | 745 | $80.3K | 0.00% | +35+4.9% | Added |
| Essex Investment Management Co LLC | 611 | $65.8K | 0.01% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 622 | $65.3K | 0.00% | −761−55.0% | Reduced |
| Asset Planning,Inc | 500 | $53.8K | 0.04% | 00.0% | Unchanged |
| Essential Investment Partners LLC | 500 | $53.8K | 0.05% | 00.0% | Unchanged |
| REAP Financial Group, LLC | 486 | $52.3K | 0.01% | 00.0% | Unchanged |
| Salomon & Ludwin, LLC | 454 | $51.2K | 0.00% | 00.0% | Unchanged |
| Park Place Capital Corp | 454 | $48.9K | 0.01% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 383 | $43.1K | 0.00% | −25−6.1% | Reduced |
| Kemnay Advisory Services Inc. | 372 | $40.0K | 0.01% | +199+115.0% | Added |
| Parallel Advisors, LLC | 368 | $39.6K | 0.00% | +226+159.2% | Added |
| Sterling Capital Management LLC | 362 | $39.0K | 0.00% | −3−0.8% | Reduced |
| Hantz Financial Services, Inc. | 346 | $37.0K | 0.00% | +118+51.8% | Added |
| Umb Bank N A | 302 | $32.5K | 0.00% | +3+1.0% | Added |
| Signaturefd, LLC | 295 | $31.8K | 0.00% | +19+6.9% | Added |
| Steward Partners Investment Advisory, LLC | 271 | $29.2K | 0.00% | −44−14.0% | Reduced |
| Los Angeles Capital Management LLC | 251 | $27.0K | 0.00% | 00.0% | Unchanged |
| First Horizon Corp | 236 | $25.4K | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 163 | $17.5K | 0.00% | −68−29.4% | Reduced |
| Twin Peaks Wealth Advisors, LLC | 160 | $17.2K | 0.00% | +160 | New |
| TD Waterhouse Canada Inc. | 151 | $16.9K | 0.00% | +150+15,000.0% | Added |
| Allworth Financial LP | 145 | $15.6K | 0.00% | +36+33.0% | Added |
| Larson Financial Group LLC | 144 | $15.5K | 0.00% | −201−58.3% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 128 | $13.8K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 125 | $13.5K | 0.01% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 101 | $11.4K | 0.00% | 00.0% | Unchanged |
| ORG Wealth Partners, LLC | 105 | $11.3K | 0.00% | +10+10.5% | Added |
| Sunbelt Securities, Inc. | 105 | $11.3K | 0.00% | +105 | New |
| Bare Financial Services, Inc | 98 | $10.6K | 0.00% | +15+18.1% | Added |
| Huntington National Bank | 94 | $10.1K | 0.00% | +29+44.6% | Added |
| Massmutual Trust Co FSB | 88 | $9.47K | 0.00% | 00.0% | Unchanged |
| Forum Finance Group S.A. | 100 | $9.00K | 0.00% | +100 | New |
| Versant Capital Management, Inc | 79 | $8.51K | 0.00% | 00.0% | Unchanged |
| Meramec Financial Planners, LLC | 68 | $8.47K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 75 | $8.07K | 0.00% | −10−11.8% | Reduced |
| EverSource Wealth Advisors, LLC | 72 | $7.75K | 0.00% | +7+10.8% | Added |
| TFC Financial Management | 72 | $7.75K | 0.00% | +72 | New |
| JPL Wealth Management, LLC | 65 | $7.00K | 0.00% | +65 | New |
| International Assets Investment Management, LLC | 53 | $5.97K | 0.00% | −10−15.9% | Reduced |