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 |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 19,704 | $987.2K | 0.00% | +12,510+173.9% | Added |
| Maryland State Retirement & Pension System | 19,210 | $962.4K | 0.02% | −468−2.4% | Reduced |
| CI Private Wealth, LLC | 18,464 | $925.0K | 0.00% | +1,966+11.9% | Added |
| Manufacturers Life Insurance Company, The | 18,302 | $916.9K | 0.00% | +74+0.4% | Added |
| Natixis Advisors, L.P. | 17,953 | $899.0K | 0.00% | +7,448+70.9% | Added |
| Stephens Inc | 17,827 | $893.1K | 0.02% | +7,402+71.0% | Added |
| ClariVest Asset Management LLC | 17,735 | $888.0K | 0.04% | +51+0.3% | Added |
| Voya Investment Management LLC | 17,511 | $877.3K | 0.00% | −29,330−62.6% | Reduced |
| Ensign Peak Advisors, Inc | 17,240 | $863.7K | 0.00% | +650+3.9% | Added |
| Squarepoint Ops LLC | 16,933 | $848.3K | 0.01% | −4,111−19.5% | Reduced |
| Gabelli Funds LLC | 16,701 | $836.7K | 0.01% | +3,500+26.5% | Added |
| Interwest Venture Management Co | 16,347 | $819.0K | 3.94% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 16,209 | $812.1K | 0.00% | −8,456−34.3% | Reduced |
| Advisor Group Holdings, Inc. | 15,700 | $786.5K | 0.00% | +1,798+12.9% | Added |
| Oregon Public Employees Retirement Fund | 15,330 | $768.0K | 0.01% | −540−3.4% | Reduced |
| Schroder Investment Management Group | 15,327 | $767.9K | 0.00% | +15,327 | New |
| Jane Street Group, LLC | 15,137 | $758.4K | 0.00% | −20,036−57.0% | Reduced |
| State Board of Administration of Florida Retirement System | 14,741 | $738.5K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 13,822 | $692.5K | 0.01% | +392+2.9% | Added |
| Essex Investment Management Co LLC | 13,713 | $687.0K | 0.10% | −34−0.2% | Reduced |
| LPL Financial LLC | 13,644 | $683.6K | 0.00% | +1,269+10.3% | Added |
| Blair William & Co | 13,566 | $679.7K | 0.00% | +44+0.3% | Added |
| Wells Fargo & Company | 13,348 | $668.7K | 0.00% | +8,460+173.1% | Added |
| Two Sigma Investments, LP | 13,172 | $659.9K | 0.00% | +13,172 | New |
| Raymond James & Associates | 12,102 | $606.3K | 0.00% | −129−1.1% | Reduced |
| Putnam Investments LLC | 10,652 | $533.7K | 0.00% | −444−4.0% | Reduced |
| Handelsbanken Fonder AB | 10,300 | $516.0K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 10,270 | $514.5K | 0.02% | +4,890+90.9% | Added |
| Mutual of America Capital Management LLC | 9,823 | $492.1K | 0.01% | −175−1.8% | Reduced |
| Gamco Investors, Inc. Et Al | 8,708 | $436.3K | 0.00% | +1,798+26.0% | Added |
| HRT Financial LP | 8,495 | $425.0K | 0.01% | +8,495 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,266 | $414.1K | 0.00% | +1,012+14.0% | Added |
| Victory Capital Management Inc | 7,953 | $398.4K | 0.00% | −2,362−22.9% | Reduced |
| ETF Managers Group, LLC | 7,637 | $382.6K | 0.01% | +7,637 | New |
| Gsa Capital Partners LLP | 7,229 | $362.0K | 0.04% | −5,764−44.4% | Reduced |
| ProShare Advisors LLC | 7,109 | $356.2K | 0.00% | −169−2.3% | Reduced |
| Everence Capital Management Inc | 7,100 | $356.0K | 0.03% | 00.0% | Unchanged |
| First Trust Advisors LP | 6,792 | $340.3K | 0.00% | −35,528−84.0% | Reduced |
| American Century Companies Inc | 6,878 | $338.7K | 0.00% | +207+3.1% | Added |
| Marshall Wace, LLP | 6,637 | $332.5K | 0.00% | +6,637 | New |
| Amundi | 6,733 | $324.3K | 0.00% | +6,733 | New |
| Spouting Rock Asset Management, LLC | 6,253 | $313.3K | 0.11% | −43−0.7% | Reduced |
| Public Employees Retirement Association of Colorado | 6,246 | $313.0K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 6,009 | $301.1K | 0.00% | +76+1.3% | Added |
| Baker Tilly Wealth Management, LLC | 5,934 | $297.3K | 0.03% | +161+2.8% | Added |
| Quantbot Technologies LP | 5,871 | $294.1K | 0.02% | +2,397+69.0% | Added |
| Bayesian Capital Management, LP | 5,847 | $292.9K | 0.04% | +5,847 | New |
| Valeo Financial Advisors, LLC | 5,770 | $289.1K | 0.01% | 00.0% | Unchanged |
| Mariner, LLC | 5,624 | $282.0K | 0.00% | −22−0.4% | Reduced |
| Simplex Trading, LLC | 5,638 | $282.0K | 0.01% | +5,638 | New |
| CWM Advisors, LLC | 5,434 | $272.2K | 0.03% | −161−2.9% | Reduced |
| Prelude Capital Management, LLC | 5,414 | $271.2K | 0.02% | +54+1.0% | Added |
| Teacher Retirement System of Texas | 5,306 | $266.0K | 0.00% | −18−0.3% | Reduced |
| Pictet Asset Management SA | 5,043 | $252.7K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 5,048 | $252.0K | 0.00% | −400−7.3% | Reduced |
| US Bancorp | 4,940 | $247.5K | 0.00% | +10+0.2% | Added |
| Afg Fiduciary Services Limited Partnership | 3,747 | $236.0K | 0.22% | +3,747 | New |
| Centiva Capital, LP | 4,282 | $214.5K | 0.01% | +4,282 | New |
| Wrapmanager Inc | 4,271 | $214.0K | 0.07% | +4,271 | New |
| Crossmark Global Holdings, Inc. | 4,197 | $210.0K | 0.00% | +4,197 | New |
| The PNC Financial Services Group, Inc. | 4,153 | $208.1K | 0.00% | −192−4.4% | Reduced |
| KBC Group NV | 3,930 | $197.0K | 0.00% | −302−7.1% | Reduced |
| Group One Trading, L.P. | 3,840 | $192.4K | 0.01% | +3,840 | New |
| Ameritas Investment Partners, Inc. | 3,577 | $179.2K | 0.01% | 00.0% | Unchanged |
| FMR LLC | 2,959 | $148.2K | 0.00% | +683+30.0% | Added |
| Van Eck Associates Corp | 2,515 | $126.0K | 0.00% | −60−2.3% | Reduced |
| Metropolitan Life Insurance Co | 2,464 | $123.4K | 0.01% | −364−12.9% | Reduced |
| Nisa Investment Advisors, LLC | 1,520 | $76.0K | 0.00% | −15−1.0% | Reduced |
| GWM Advisors LLC | 1,393 | $69.8K | 0.00% | −56−3.9% | Reduced |
| Tower Research Capital LLC (TRC) | 1,238 | $62.0K | 0.00% | +892+257.8% | Added |
| State of Wyoming | 1,223 | $61.3K | 0.02% | +56+4.8% | Added |
| Allspring Global Investments Holdings, LLC | 1,212 | $60.7K | 0.00% | −703−36.7% | Reduced |
| Fifth Third Bancorp | 1,154 | $57.8K | 0.00% | +30+2.7% | Added |
| HighMark Wealth Management LLC | 483 | $24.2K | 0.02% | +108+28.8% | Added |
| Proequities, Inc. | 416 | $20.8K | 0.00% | +76+22.4% | Added |
| First Horizon Advisors, Inc. | 349 | $17.5K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 339 | $17.0K | 0.00% | +127+59.9% | Added |
| CWM, LLC | 314 | $16.0K | 0.00% | +83+35.9% | Added |
| Park Place Capital Corp | 302 | $15.1K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 300 | $15.0K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 300 | $15.0K | 0.00% | +300 | New |
| Signaturefd, LLC | 258 | $12.9K | 0.00% | +26+11.2% | Added |
| TCI Wealth Advisors, Inc. | 254 | $12.7K | 0.00% | 00.0% | Unchanged |
| Global Wealth Strategies & Associates | 204 | $10.2K | 0.01% | 00.0% | Unchanged |
| IMA Wealth, Inc. | 200 | $10.0K | 0.00% | 00.0% | Unchanged |
| Cape Investment Advisory, Inc. | 200 | $10.0K | 0.01% | +200 | New |
| Toronto Dominion Bank | 200 | $10.0K | 0.00% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 181 | $9.07K | 0.00% | +181 | New |
| Versant Capital Management, Inc | 161 | $7.99K | 0.00% | +25+18.4% | Added |
| Parkside Financial Bank & Trust | 129 | $6.46K | 0.00% | +37+40.2% | Added |
| Beacon Capital Management, LLC | 100 | $5.01K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 34 | $1.70K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 28 | $1.30K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 20 | $1.00K | 0.00% | +20 | New |
| Ronald Blue Trust, Inc. | 22 | $1.00K | 0.00% | +22 | New |
| Lindbrook Capital, LLC | 14 | $701 | 0.00% | −13−48.1% | Reduced |
| Bell Investment Advisors, Inc | 11 | $552 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 7 | $351 | 0.00% | 00.0% | Unchanged |
| Hollencrest Capital Management | 5 | $251 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 3 | $151 | 0.00% | 00.0% | Unchanged |