GKOS
Glaukos Corporation · Healthcare · Medical - Devices
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 123 | +9 | 42.81M | $5.94B | +15 | −7 |
| 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 | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Millennium Management ✦ | 1.28M | — | $151.24M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 2 | PRIMECAP Management ✦ | 1.22M | — | $144.48M | 0.1% | n/c | 1 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.11M | — | $130.91M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 4 | Point72 Asset Management ✦ | 570.00K | — | $67.46M | 0.2% | n/c | 1 | SEC ↗ |
| 5 | Wellington Management ✦ | 553.50K | — | $65.51M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 6 | Capital World Investors ✦ | 550.32K | — | $65.13M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Norges Bank ✦ (passive) | 537.97K | — | $63.67M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 528.73K | — | $62.58M | 0.1% | n/c | 1 | SEC ↗ |
| 9 | Adage Capital Partners ✦ | 200.00K | — | $23.67M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | Renaissance Technologies ✦ | 121.89K | — | $14.43M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 32.64K | — | $3.86M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 27.36K | — | $3.24M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 13 | Bridgewater Associates ✦ | 9.23K | — | $1.09M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | GAMCO Investors ✦ | 5.51K | — | $651,753 | 0.0% | n/c | 1 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 4.14K | — | $490,087 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 16 | Gotham Asset Management ✦ | 2.41K | — | $284,868 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
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.
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)
Officer · 888 sh · $145,570
Officer · 312 sh · $51,667
Officer · 327 sh · $53,883
Officer · 167 sh · $25,334
Officer · 1.08K sh · $167,735
Officer · 229 sh · $35,321
Officer · 136 sh · $20,769
Officer · 103 sh · $16,810
Officer · 345 sh · $56,787
Officer · 191 sh · $31,744
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology