Security record · archived quarter
GKOS
Glaukos Corporation · Healthcare · Medical - Devices
118Tracked holders
0Δ holders
48.22MShares held
$5.44BReported value
+2New positions
−1Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -1.8% · net new positions +0.8% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 125 | +9 | 42.85M | $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 · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 6.02M | -0.4% | $679.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 6.02M | -0.4% | $679.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 6.02M | -0.4% | $679.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 6.02M | -0.4% | $679.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 6.02M | -0.4% | $679.77M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 6 | PRIMECAP Management ✦ | 3.38M | +49.8% | $381.29M | 0.3% | ▲ Add | 7 | SEC ↗ |
| 7 | Janus Henderson Group Plc | 3.02M | — | $340.85M | 0.2% | n/c | 1 | SEC ↗ |
| 8 | Janus Henderson Group Plc | 3.02M | — | $340.85M | 0.2% | n/c | 1 | SEC ↗ |
| 9 | Janus Henderson Group Plc | 3.02M | — | $340.85M | 0.2% | n/c | 1 | SEC ↗ |
| 10 | State Street Global Advisors ✦ (passive) | 2.12M | +0.9% | $239.64M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | Ameriprise Financial Inc | 2.10M | — | $237.60M | 0.1% | n/c | 1 | SEC ↗ |
| 12 | Ameriprise Financial Inc | 2.10M | — | $237.60M | 0.1% | n/c | 1 | SEC ↗ |
| 13 | Ameriprise Financial Inc | 2.10M | — | $237.60M | 0.1% | n/c | 1 | SEC ↗ |
| 14 | Ameriprise Financial Inc | 2.10M | — | $237.60M | 0.1% | n/c | 1 | SEC ↗ |
| 15 | Ameriprise Financial Inc | 2.10M | — | $237.60M | 0.1% | n/c | 1 | SEC ↗ |
| 16 | Ameriprise Financial Inc | 2.10M | — | $237.60M | 0.1% | n/c | 1 | SEC ↗ |
| 17 | Alliancebernstein L.P. | 1.64M | — | $185.56M | 0.1% | n/c | 1 | SEC ↗ |
| 18 | Millennium Management ✦ | 1.61M | +76.2% | $181.75M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 19 | Goldman Sachs Group ✦ | 1.35M | +209.1% | $152.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Goldman Sachs Group ✦ | 1.35M | +209.1% | $152.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Goldman Sachs Group ✦ | 1.35M | +209.1% | $152.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Goldman Sachs Group ✦ | 1.35M | +209.1% | $152.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | Goldman Sachs Group ✦ | 1.35M | +209.1% | $152.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | Geode Capital Management ✦ (passive) | 1.32M | +0.1% | $148.80M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 25 | Geode Capital Management ✦ (passive) | 1.32M | +0.1% | $148.80M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 26 | Holocene Advisors, LP | 1.30M | — | $146.70M | 0.3% | n/c | 1 | SEC ↗ |
| 27 | UBS Group AG | 873.94K | — | $98.68M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | UBS Group AG | 873.94K | — | $98.68M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | UBS Group AG | 873.94K | — | $98.68M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Capital World Investors ✦ | 850.89K | 0.0% | $96.07M | 0.0% | Held | 7 | SEC ↗ |
| 31 | Invesco Ltd. | 780.27K | — | $88.10M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Invesco Ltd. | 780.27K | — | $88.10M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Invesco Ltd. | 780.27K | — | $88.10M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Invesco Ltd. | 780.27K | — | $88.10M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Invesco Ltd. | 780.27K | — | $88.10M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Invesco Ltd. | 780.27K | — | $88.10M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Charles Schwab Investment… | 714.03K | — | $80.62M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Artisan Partners Limited Partnership | 702.82K | — | $79.36M | 0.1% | n/c | 1 | SEC ↗ |
| 39 | Nomura Asset Management… | 672.96K | — | $75.98M | 0.1% | n/c | 1 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 670.78K | +56.1% | $75.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 670.78K | +56.1% | $75.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 670.78K | +56.1% | $75.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 670.78K | +56.1% | $75.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 670.78K | +56.1% | $75.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 670.78K | +56.1% | $75.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 670.78K | +56.1% | $75.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Morgan Stanley ✦ | 670.78K | +56.1% | $75.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Morgan Stanley ✦ | 670.78K | +56.1% | $75.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Morgan Stanley ✦ | 670.78K | +56.1% | $75.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Morgan Stanley ✦ | 670.78K | +56.1% | $75.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Northern Trust Corp | 587.13K | — | $66.29M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Northern Trust Corp | 587.13K | — | $66.29M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Northern Trust Corp | 587.13K | — | $66.29M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Northern Trust Corp | 587.13K | — | $66.29M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Northern Trust Corp | 587.13K | — | $66.29M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Northern Trust Corp | 587.13K | — | $66.29M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Northern Trust Corp | 587.13K | — | $66.29M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | D. E. Shaw & Co. ✦ | 558.29K | +100.5% | $63.04M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 59 | JPMorgan Chase ✦ | 556.48K | -58.5% | $62.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | JPMorgan Chase ✦ | 556.48K | -58.5% | $62.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | JPMorgan Chase ✦ | 556.48K | -58.5% | $62.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | JPMorgan Chase ✦ | 556.48K | -58.5% | $62.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 63 | JPMorgan Chase ✦ | 556.48K | -58.5% | $62.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 64 | JPMorgan Chase ✦ | 556.48K | -58.5% | $62.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | JPMorgan Chase ✦ | 556.48K | -58.5% | $62.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | JPMorgan Chase ✦ | 556.48K | -58.5% | $62.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | JPMorgan Chase ✦ | 556.48K | -58.5% | $62.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Bank Of America Corp /De/ | 538.68K | — | $60.82M | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Bank Of America Corp /De/ | 538.68K | — | $60.82M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Bank Of America Corp /De/ | 538.68K | — | $60.82M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Bank Of America Corp /De/ | 538.68K | — | $60.82M | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Bank Of America Corp /De/ | 538.68K | — | $60.82M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Bank Of America Corp /De/ | 538.68K | — | $60.82M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Bank Of America Corp /De/ | 538.68K | — | $60.82M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Norges Bank ✦ (passive) | 536.14K | New | $60.54M | 0.0% | New | 1 | SEC ↗ |
| 76 | Capital International Investors | 511.51K | — | $57.75M | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Wellington Management ✦ | 486.82K | -86.4% | $54.97M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 78 | Wellington Management ✦ | 486.82K | -86.4% | $54.97M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 79 | Wellington Management ✦ | 486.82K | -86.4% | $54.97M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 80 | Loomis Sayles & Co L P | 447.81K | — | $50.56M | 0.1% | n/c | 1 | SEC ↗ |
| 81 | Loomis Sayles & Co L P | 447.81K | — | $50.56M | 0.1% | n/c | 1 | SEC ↗ |
| 82 | Bank of New York Mellon Corp | 355.84K | — | $40.18M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Bank of New York Mellon Corp | 355.84K | — | $40.18M | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Bank of New York Mellon Corp | 355.84K | — | $40.18M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Bank of New York Mellon Corp | 355.84K | — | $40.18M | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Bank of New York Mellon Corp | 355.84K | — | $40.18M | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Bank of New York Mellon Corp | 355.84K | — | $40.18M | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Bank of New York Mellon Corp | 355.84K | — | $40.18M | 0.0% | n/c | 1 | SEC ↗ |
| 89 | Bank of New York Mellon Corp | 355.84K | — | $40.18M | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Bank of New York Mellon Corp | 355.84K | — | $40.18M | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Bank of New York Mellon Corp | 355.84K | — | $40.18M | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Bank of New York Mellon Corp | 355.84K | — | $40.18M | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Principal Financial Group Inc | 274.56K | — | $31.00M | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Principal Financial Group Inc | 274.56K | — | $31.00M | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Adage Capital Partners ✦ | 250.00K | +774.7% | $28.23M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 96 | Dimensional Fund Advisors Lp | 205.46K | — | $23.20M | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Dimensional Fund Advisors Lp | 205.46K | — | $23.20M | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Dimensional Fund Advisors Lp | 205.46K | — | $23.20M | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Dimensional Fund Advisors Lp | 205.46K | — | $23.20M | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Dimensional Fund Advisors Lp | 205.46K | — | $23.20M | 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
| Norges Bank | $60.54M | 0.0% |
Exited
| Renaissance Technologies | $4.72M | 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)
Aug 19
Kliman Gilbert H
Director · 2.50K sh · $475,000
Aug 11
Gilliam Joseph E
Officer · 27.96K sh · $5.00M
Aug 11
Gilliam Joseph E
Officer · 32.04K sh · $5.78M
Aug 07
Thurman Alex R.
Officer · 20.00K sh · $3.60M
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: Q4 2025 ·
Methodology ·
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