GLAUKOS Corp hedge fund holdings
GKOSNYSE$163.75+0.58 (+0.36%)as of Oct 2, 2026
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
GKOS · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+93.8%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 134 | 121 | $807M | $498M | 275 | Aug 14, 2025 |
| Q3 2025 | 133 | 102 | $529M | $919M | 297 | Nov 14, 2025 |
| Q4 2025 | 124 | 114 | $1.16B | $1.18B | 305 | Feb 14, 2026 |
| Q1 2026 | 109 | 116 | $852M | $715M | 315 | May 15, 2026 |
| Q2 2026 | 150 | 104 | $900M | $732M | 339 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
339 filersNew position
53$257M+1.84M sh
Increased
97$643M+4.6M sh
Reduced
70-$561M-4.01M sh
Out / sold
34-$172M-1.23M sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| Summit Partners Public Asset Management, LLC | New Buy | +$62.4M | $62.4M | 1.10% | Aug 14, 2026 |
| William Blair Investment Management, LLC | Reduce 38.38% | -$57.6M | $92.5M | 0.28% | Aug 12, 2026 |
| Primecap Management Co | Reduce 9.79% | -$46.1M | $425M | 0.25% | Aug 14, 2026 |
| Lord, Abbett & Co. LLC | Added 249.76% | +$42M | $58.8M | 0.17% | Aug 14, 2026 |
| Artisan Partners Limited Partnership | Reduce 49.09% | -$41.7M | $43.2M | 0.07% | Aug 13, 2026 |
| Capital International Investors | Sell 100% | -$40.2M | $0 | 0.00% | Aug 12, 2026 |
| Wellington Management Group LLP | Added 187.10% | +$39M | $59.8M | 0.01% | Aug 14, 2026 |
| Anomaly Capital Management, LP | New Buy | +$38.6M | $38.6M | 1.47% | Aug 14, 2026 |
| Longaeva Partners L.P. | New Buy | +$33M | $33M | 0.72% | Aug 14, 2026 |
| Braidwell LP | Reduce 22.47% | -$24M | $82.7M | 3.06% | Aug 14, 2026 |
| PFM Health Sciences, LP | Sell 100% | -$23.2M | $0 | 0.00% | Aug 14, 2026 |
| Driehaus Capital Management LLC | Added 33.34% | +$22.7M | $90.9M | 0.53% | Aug 14, 2026 |
| Riverbridge Partners LLC | Reduce 34.89% | -$21.1M | $39.4M | 1.10% | Jul 13, 2026 |
| Holocene Advisors, LP | Added 9.48% | +$18.3M | $212M | 0.48% | Aug 14, 2026 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Added 107.05% | +$14.1M | $27.4M | 0.03% | Aug 13, 2026 |
| Susquehanna Portfolio Strategies, LLC | Added 1798.28% | +$13.6M | $14.3M | 0.23% | Aug 14, 2026 |
| Cinctive Capital Management LP | New Buy | +$11.9M | $11.9M | 0.44% | Aug 14, 2026 |
| Natixis Advisors, LLC | Added 325.88% | +$9.83M | $12.8M | 0.01% | Aug 14, 2026 |
| Bessemer Group Inc | Added 1918.89% | +$9.58M | $10.1M | 0.01% | Aug 12, 2026 |
| Defilade Capital Management, L.P. | New Buy | +$9.3M | $9.3M | 1.24% | Aug 14, 2026 |
| AustralianSuper Pty Ltd | Reduce 50.34% | -$9.25M | $9.13M | 0.04% | Aug 12, 2026 |
| Adage Capital Partners GP, L.L.C. | Sell 100% | -$8.81M | $0 | 0.00% | Aug 14, 2026 |
| Brown Capital Management LLC | Reduce 27.00% | -$8.68M | $23.5M | 4.69% | Jul 27, 2026 |
| Braun Stacey Associates Inc | New Buy | +$7.69M | $7.69M | 0.22% | Aug 5, 2026 |
| Osterweis Capital Management Inc | Reduce 57.27% | -$7.59M | $5.67M | 0.27% | Aug 14, 2026 |
| Loomis Sayles & Co L P | Added 11.43% | +$6.73M | $65.6M | 0.08% | Aug 14, 2026 |
| Champlain Investment Partners, LLC | Reduce 13.75% | -$6.13M | $38.5M | 0.99% | Aug 12, 2026 |
| Canada Pension Plan Investment Board | Added 99.32% | +$6.09M | $12.2M | 0.01% | Aug 14, 2026 |
| Segall Bryant & Hamill, LLC | Added 34.81% | +$6.08M | $23.5M | 0.28% | Aug 12, 2026 |
| Nomura Asset Management International Inc. | Added 5.78% | +$4.94M | $90.5M | 0.14% | Aug 14, 2026 |
| Rhenman & Partners Asset Management AB | Added 41.67% | +$4.89M | $16.6M | 1.57% | Aug 13, 2026 |
| Eversept Partners, LP | Reduce 51.27% | -$4.31M | $4.1M | 0.21% | Aug 14, 2026 |
| Next Century Growth Investors LLC | New Buy | +$4.02M | $4.02M | 0.21% | Aug 14, 2026 |
| Capital World Investors | Added 2.72% | +$3.76M | $142M | 0.02% | Aug 12, 2026 |
| Integral Health Asset Management, LLC | Reduce 14.29% | -$3.49M | $21M | 0.83% | Aug 14, 2026 |
| Susquehanna Fundamental Investments, LLC | New Buy | +$3.36M | $3.36M | 0.06% | Aug 14, 2026 |
| Pier Capital, LLC | Sell 100% | -$3.15M | $0 | 0.00% | Aug 5, 2026 |
| Kennedy Capital Management LLC | New Buy | +$2.97M | $2.97M | 0.05% | Aug 14, 2026 |
| Bellevue Group AG | Reduce 11.69% | -$2.38M | $18M | 0.38% | Aug 14, 2026 |
| DNB Asset Management AS | Reduce 29.09% | -$1.88M | $4.6M | 0.01% | Aug 11, 2026 |
| First Trust Advisors LP | Added 28.67% | +$1.71M | $7.69M | 0.00% | Aug 11, 2026 |
| Fred Alger Management, LLC | Added 10.50% | +$1.67M | $17.6M | 0.06% | Aug 14, 2026 |
| Lido Advisors, LLC | Sell 100% | -$1.6M | $0 | 0.00% | Aug 7, 2026 |
| Teachers Retirement System of the State of Kentucky | Added 77.84% | +$1.56M | $3.56M | 0.02% | Aug 12, 2026 |
| Harbor Capital Advisors, Inc. | Reduce 41.23% | -$1.52M | $2.17M | 0.15% | Aug 7, 2026 |
| Homestead Advisers Corp | New Buy | +$1.41M | $1.41M | 0.04% | Aug 13, 2026 |
| State of Alaska, Department of Revenue | Reduce 31.76% | -$1.26M | $2.7M | 0.03% | Jul 20, 2026 |
| Congress Asset Management Co | Sell 100% | -$1.25M | $0 | 0.00% | Jul 7, 2026 |
| Illinois Municipal Retirement Fund | Reduce 25.53% | -$1.23M | $3.58M | 0.04% | Aug 12, 2026 |
| Thornburg Investment Management Inc | Sell 100% | -$1.17M | $0 | 0.00% | Aug 13, 2026 |
| Allstate Corp | Reduce 71.06% | -$1.11M | $453K | 0.00% | Aug 13, 2026 |
| Jefferies Financial Group Inc. | New Buy | +$1.1M | $1.1M | 0.01% | Aug 17, 2026 |
| Silvercrest Asset Management Group LLC | Reduce 5.00% | -$896K | $17M | 0.11% | Aug 14, 2026 |
| Lisanti Capital Growth, LLC | Sell 100% | -$753K | $0 | 0.00% | Aug 10, 2026 |
| Polen Capital Management LLC | New Buy | +$673K | $673K | 0.01% | Aug 4, 2026 |
| Rock Springs Capital Management LP | New Buy | +$664K | $664K | 0.03% | Aug 14, 2026 |
| Summit Global Investments | Reduce 53.11% | -$657K | $580K | 0.03% | Aug 3, 2026 |
| Fox Run Management, L.L.C. | Sell 100% | -$627K | $0 | 0.00% | Aug 4, 2026 |
| Jennison Associates LLC | Added 0.92% | +$626K | $68.7M | 0.04% | Aug 3, 2026 |
| Perbak Capital Partners LLP | Sell 100% | -$536K | $0 | Not reported | Aug 14, 2026 |
| Sit Investment Associates Inc | Added 5.55% | +$531K | $10.1M | 0.19% | Aug 12, 2026 |
| Public Sector Pension Investment Board | Reduce 1.82% | -$523K | $28.2M | 0.07% | Aug 13, 2026 |
| Inceptionr LLC | Sell 100% | -$468K | $0 | 0.00% | Aug 11, 2026 |
| Bridgewater Associates, LP | New Buy | +$463K | $463K | 0.00% | Aug 14, 2026 |
| IMC-Chicago, LLC | New Buy | +$450K | $450K | 0.00% | Aug 6, 2026 |
| Thompson Siegel & Walmsley LLC | New Buy | +$419K | $419K | 0.01% | Aug 11, 2026 |
| Qsemble Capital Management, LP | Sell 100% | -$408K | $0 | 0.00% | Aug 3, 2026 |
| Zhang Financial LLC | Added 12.35% | +$407K | $3.7M | 0.11% | Jul 30, 2026 |
| Assetmark, Inc | Reduce 3.52% | -$375K | $10.3M | 0.02% | Jul 30, 2026 |
| Jain Global LLC | New Buy | +$375K | $375K | 0.00% | Aug 14, 2026 |
| State of New Jersey Common Pension Fund D | Reduce 10.89% | -$315K | $2.58M | 0.01% | Aug 4, 2026 |
| Vestmark Advisory Solutions, Inc. | Added 51.43% | +$315K | $926K | 0.01% | Aug 14, 2026 |
| Fieldview Capital Management, LLC | Sell 100% | -$305K | $0 | 0.00% | Aug 14, 2026 |
| Capricorn Fund Managers Ltd | Sell 100% | -$301K | $0 | 0.00% | Jul 24, 2026 |
| Farallon Capital Management, L.L.C. | Sell 100% | -$280K | $0 | 0.00% | Aug 14, 2026 |
| Inspire Advisors, LLC | New Buy | +$277K | $277K | 0.02% | Aug 13, 2026 |
| Abacus Wealth Partners, LLC | Sell 100% | -$275K | $0 | 0.00% | Jul 22, 2026 |
| Lighthouse Investment Partners, LLC | New Buy | +$267K | $267K | 0.01% | Aug 14, 2026 |
| MML Investors Services, LLC | New Buy | +$266K | $266K | 0.00% | Aug 7, 2026 |
| CMH Wealth Management LLC | Sell 100% | -$262K | $0 | 0.00% | Jul 9, 2026 |
| Sage Rhino Capital LLC | New Buy | +$252K | $252K | 0.04% | Aug 3, 2026 |
| Moody National Bank Trust Division | New Buy | +$246K | $246K | 0.02% | Jul 7, 2026 |
| RWC Asset Management LLP | Sell 100% | -$237K | $0 | 0.00% | Jul 27, 2026 |
| Fifth Third Wealth Advisors LLC | New Buy | +$224K | $224K | 0.01% | Jul 17, 2026 |
| Presidio Capital Management, LLC | New Buy | +$224K | $224K | 0.06% | Jul 14, 2026 |
| Archer Investment Corp | Added 100.00% | +$223K | $446K | 0.04% | Aug 19, 2026 |
| Argent Trust Co | New Buy | +$219K | $219K | 0.01% | Aug 6, 2026 |
| GTS Securities LLC | Sell 100% | -$201K | $0 | 0.00% | Aug 14, 2026 |
| Choreo, LLC | Added 71.27% | +$198K | $477K | 0.01% | Aug 4, 2026 |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | Added 13.93% | +$182K | $1.49M | 0.04% | Jul 23, 2026 |
| Quantinno Capital Management LP | Added 3.99% | +$172K | $4.48M | 0.01% | Aug 13, 2026 |
| Westfield Capital Management Co LP | Added 0.25% | +$167K | $67.6M | 0.22% | Aug 12, 2026 |
| Handelsbanken Fonder AB | Added 5.88% | +$154K | $2.77M | 0.01% | Jul 10, 2026 |
| OP Asset Management Ltd | New Buy | +$149K | $149K | 0.00% | Jul 28, 2026 |
| Exome Asset Management LLC | Reduce 4.85% | -$141K | $2.78M | 1.71% | Aug 14, 2026 |
| Oppenheimer Asset Management Inc. | Added 5.31% | +$138K | $2.73M | 0.03% | Aug 3, 2026 |
| EFG International AG | Reduce 1.86% | -$136K | $7.16M | 0.13% | Aug 14, 2026 |
| Tidal Investments LLC | Reduce 15.70% | -$134K | $719K | 0.00% | Aug 13, 2026 |
| Silver Grove Financial Group, Inc. | New Buy | +$124K | $124K | 0.07% | Aug 13, 2026 |
| CANADA LIFE ASSURANCE Co | Reduce 1.81% | -$121K | $6.57M | 0.01% | Aug 13, 2026 |