Security record
GKOS
Glaukos Corporation · Healthcare · Medical - Devices
125Tracked holders
+9Δ holders
42.84MShares held
$5.95BReported value
+15New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +7.8% ·
share flow +2.9% ·
net new positions +8.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 125 | +9 | 42.84M | $5.95B | +15 | −5 |
| Q1 2026 | 118 | -1 | 46.55M | $5.02B | +6 | −8 |
| Q4 2025 | 118 | 0 | 48.22M | $5.44B | +2 | −1 |
| Q3 2025 | 22 | +5 | 29.69M | $2.42B | +5 | −1 |
| Q2 2025 | 15 | -2 | 32.65M | $3.37B | +1 | −3 |
| Q1 2025 | 14 | -2 | 8.81M | $867.57M | +1 | −3 |
| Q4 2024 | 16 | -1 | 9.74M | $1.46B | — | −1 |
| Q3 2024 | 16 | 0 | 7.06M | $919.99M | +1 | −1 |
| Q2 2024 | 16 | — | 6.75M | $798.69M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ ×17 |
| 2 | PRIMECAP Management ✦ | 3.04M | -9.8% | $424.97M | 0.3% | ▼ Trim | 9 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 2.55M | +1.7% | $356.55M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | State Street Global Advisors ✦ (passive) | 2.32M | +6.1% | $323.67M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 5 | Millennium Management ✦ | 1.58M | +34.7% | $220.96M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 6 | Holocene Advisors, LP | 1.51M | +9.5% | $211.73M | 0.5% | ▲ Add | 3 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 1.46M | +7.9% | $204.57M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 8 | Citadel Advisors ✦ | 1.39M | -3.9% | $194.27M | 0.1% | ▼ Trim | 9 | SEC ↗ ×2 |
| 9 | Ameriprise Financial Inc | 1.32M | -18.4% | $183.79M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 10 | Capital World Investors ✦ | 1.02M | +2.7% | $141.99M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 11 | Alliancebernstein L.P. | 1.25M | -10.2% | $135.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | Goldman Sachs Group ✦ | 897.02K | -34.8% | $125.37M | 0.0% | ▼ Trim | 4 | SEC ↗ ×4 |
| 13 | Charles Schwab Investment… | 752.64K | +5.3% | $105.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Invesco Ltd. | 706.88K | -22.7% | $98.79M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 15 | T. Rowe Price ✦ | 679.63K | +102.0% | $94.99M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 16 | Nomura Asset Management… | 647.43K | +5.8% | $90.48M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 17 | Northern Trust Corp | 612.50K | +6.3% | $85.60M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 18 | Morgan Stanley ✦ | 589.79K | -13.1% | $82.43M | 0.0% | ▼ Trim | 4 | SEC ↗ ×9 |
| 19 | Bank Of America Corp /De/ | 587.33K | -10.7% | $82.08M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 20 | UBS Group AG | 578.27K | +49.7% | $80.82M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 21 | Norges Bank ✦ (passive) | 498.50K | New | $69.67M | 0.0% | New | 1 | SEC ↗ |
| 22 | Balyasny Asset Management L.P. | 491.64K | New | $68.71M | 0.1% | New | 1 | SEC ↗ |
| 23 | Jennison Associates Llc | 491.50K | +0.9% | $68.69M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 24 | Loomis Sayles & Co L P | 469.39K | +11.4% | $65.60M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 25 | Clearbridge Investments, LLC | 431.07K | +50.7% | $60.25M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 26 | Wellington Management ✦ | 428.21K | +187.1% | $59.85M | 0.0% | ▲ Add | 9 | SEC ↗ ×5 |
| 27 | Allspring Global Investments… | 418.00K | +6.1% | $57.50M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 28 | Fidelity (FMR) ✦ | 377.49K | +24.5% | $52.76M | 0.0% | ▲ Add | 5 | SEC ↗ ×5 |
| 29 | Principal Financial Group Inc | 358.76K | +27.8% | $50.14M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 30 | Bank of New York Mellon Corp | 357.15K | +4.1% | $49.92M | 0.0% | ▲ Add | 3 | SEC ↗ ×11 |
| 31 | Nuveen, LLC | 322.62K | -19.0% | $45.09M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 32 | Marshall Wace ✦ | 314.80K | +823.2% | $44.00M | 0.0% | ▲ Add | 6 | SEC ↗ ×4 |
| 33 | Artisan Partners Limited Partnership | 309.27K | -49.1% | $43.22M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 34 | Neuberger Berman Group LLC | 300.75K | +103.4% | $42.03M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 35 | Toronto Dominion Bank | 268.15K | +642.3% | $37.48M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 36 | Assenagon Asset Management S.A. | 217.47K | +1965.1% | $30.39M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 37 | BNP Paribas Asset Management… | 195.74K | +107.0% | $27.36M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 38 | JPMorgan Chase ✦ | 172.19K | -46.8% | $24.86M | 0.0% | ▼ Trim | 4 | SEC ↗ ×9 |
| 39 | Legal & General Group Plc | 165.84K | +3.3% | $23.18M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 40 | Arrowstreet Capital ✦ | 154.93K | New | $21.65M | 0.0% | New | 1 | SEC ↗ |
| 41 | Renaissance Technologies ✦ | 147.19K | +23.8% | $20.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Rhumbline Advisers | 143.45K | -7.0% | $20.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Prudential Financial Inc | 139.53K | +138.3% | $19.50M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 44 | UBS AM, a distinct business unit of… | 138.99K | -3.3% | $19.43M | 0.0% | ▼ Trim | 3 | SEC ↗ ×9 |
| 45 | Point72 Asset Management ✦ | 138.30K | +36.5% | $19.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 46 | Royal Bank Of Canada | 125.69K | -38.4% | $17.57M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 47 | Sei Investments Co | 121.33K | -25.0% | $16.96M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 48 | Swiss National Bank | 110.80K | -2.5% | $15.49M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Wcm Investment Management, Llc | 93.27K | -0.2% | $13.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 50 | Universal- Beteiligungs- und… | 93.49K | +6.5% | $13.07M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 51 | Raymond James Financial Inc | 93.11K | -5.2% | $13.01M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 52 | Canada Pension Plan Investment Board | 87.50K | +99.3% | $12.23M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Dimensional Fund Advisors Lp | 87.30K | -56.1% | $12.20M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 54 | Citigroup Inc | 78.94K | +28.4% | $11.03M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 55 | Assetmark, Inc | 73.62K | -3.5% | $10.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 56 | California Public Employees… | 70.67K | +2.9% | $9.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Wells Fargo & Company/Mn | 65.22K | +120.7% | $9.12M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 58 | Two Sigma Investments ✦ | 63.43K | 0.0% | $8.86M | 0.0% | Held | 4 | SEC ↗ |
| 59 | Victory Capital Management Inc | 62.20K | -18.1% | $8.69M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 60 | Deutsche Bank Ag\ | 61.96K | +18.9% | $8.66M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 61 | New York State Common Retirement… | 60.32K | -20.9% | $8.43M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 62 | D. E. Shaw & Co. ✦ | 57.18K | -77.2% | $7.99M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 63 | Corient Private Wealth LP | 57.05K | +0.2% | $7.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | First Trust Advisors Lp | 55.01K | +28.7% | $7.69M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | Envestnet Asset Management Inc | 53.46K | +6.4% | $7.47M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Baird Financial Group, Inc. | 52.78K | 0.0% | $7.38M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 67 | Allianz Asset Management GmbH | 46.33K | -15.5% | $6.48M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | Creative Planning | 37.32K | +14.7% | $5.22M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 69 | State Of Wisconsin Investment Board | 35.92K | -6.4% | $5.02M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | Pnc Financial Services Group, Inc. | 34.23K | -0.1% | $4.78M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 71 | Federated Hermes, Inc. | 34.13K | +71012.5% | $4.77M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | Franklin Resources Inc | 33.19K | +7.7% | $4.64M | 0.0% | ▲ Add | 3 | SEC ↗ ×8 |
| 73 | Quantinno Capital Management LP | 32.07K | +4.0% | $4.48M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 74 | Russell Investments Group, Ltd. | 30.09K | +32.1% | $4.20M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 75 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 29.96K | +1.2% | $4.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Manufacturers Life Insurance… | 29.93K | +12.5% | $4.18M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Fifth Third Bancorp | 26.50K | +60.3% | $3.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Zurcher Kantonalbank (Zurich… | 24.58K | -0.3% | $3.44M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 79 | LPL Financial LLC | 23.92K | +99.2% | $3.34M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Lazard Asset Management Llc | 22.15K | +2.6% | $3.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Amundi | 22.12K | -15.6% | $3.09M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 82 | Stifel Financial Corp | 18.18K | +2.5% | $2.54M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 83 | Bnp Paribas Financial Markets | 18.05K | -50.1% | $2.52M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | Voya Investment Management Llc | 16.93K | +9.0% | $2.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | AQR Capital Management ✦ | 16.40K | +14.5% | $2.29M | 0.0% | ▲ Add | 9 | SEC ↗ ×7 |
| 86 | Blair William & Co/Il | 15.46K | -0.8% | $2.16M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 87 | Squarepoint Ops LLC | 14.17K | -86.9% | $1.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | Susquehanna International Group, Llp | 13.81K | -60.6% | $1.93M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 89 | Barclays Plc | 13.21K | -3.0% | $1.85M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 90 | State Board Of Administration Of… | 13.19K | +1.6% | $1.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Mackenzie Financial Corp | 12.16K | +25.0% | $1.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | Us Bancorp \De\ | 8.50K | -39.5% | $1.19M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 93 | ProShare Advisors LLC | 8.24K | -5.5% | $1.15M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 94 | Pictet Asset Management Holding SA | 8.18K | -4.5% | $1.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 95 | Commonwealth Equity Services, Llc | 6.29K | -24.0% | $879,430 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | Bank Of Montreal /Can/ | 6.24K | +5.7% | $872,103 | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 97 | Jones Financial Companies Lllp | 5.82K | +7.8% | $839,802 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 98 | American Century Companies Inc | 5.21K | New | $728,429 | 0.0% | New | 1 | SEC ↗ |
| 99 | Tidal Investments LLC | 5.14K | -15.7% | $718,646 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | Mitsubishi UFJ Trust & Banking Corp | 4.09K | New | $572,177 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $69.67M | 0.0% |
| Balyasny Asset Management L.P. | $68.71M | 0.1% |
| Arrowstreet Capital | $21.65M | 0.0% |
| American Century Companies Inc | $728,429 | 0.0% |
| Mitsubishi UFJ Trust &… | $572,177 | 0.0% |
Exited
| Capital International… | $40.19M | was 0.0% |
| Qube Research & Technologies… | $11.72M | was 0.0% |
| Adage Capital Partners | $8.81M | was 0.0% |
| Lido Advisors, LLC | $1.60M | was 0.0% |
| Simplex Trading, Llc | $173,655 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 333 holders, 57.55M shares, $6.09B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Oct 05
Navratil Tomas
Officer · 888 sh · $145,570
Oct 05
Navratil Tomas
Officer · 312 sh · $51,667
Oct 05
Navratil Tomas
Officer · 327 sh · $53,883
Sep 25
Navratil Tomas
Officer · 167 sh · $25,334
Sep 25
Navratil Tomas
Officer · 1.08K sh · $167,735
Sep 25
Navratil Tomas
Officer · 229 sh · $35,321
Sep 25
Navratil Tomas
Officer · 136 sh · $20,769
Sep 16
Navratil Tomas
Officer · 103 sh · $16,810
Sep 16
Navratil Tomas
Officer · 345 sh · $56,787
Sep 16
Navratil Tomas
Officer · 191 sh · $31,744
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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