Security record
GKOS
Glaukos Corporation · Healthcare · Medical - Devices
125Tracked holders
+9Δ holders
42.85MShares 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 | 42.85M | $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 · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 9.54M | +5.0% | $1.33B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 18 | PRIMECAP Management ✦ | 3.04M | -9.8% | $424.97M | 0.3% | ▼ Trim | 9 | SEC ↗ |
| 19 | Vanguard Capital Management Llc | 2.55M | +1.7% | $356.55M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | State Street Global Advisors ✦ (passive) | 2.32M | +6.1% | $323.67M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 21 | Millennium Management ✦ | 1.58M | +34.7% | $220.96M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 22 | Holocene Advisors, LP | 1.51M | +9.5% | $211.73M | 0.5% | ▲ Add | 3 | SEC ↗ |
| 23 | Geode Capital Management ✦ (passive) | 1.46M | +7.9% | $204.57M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 24 | Geode Capital Management ✦ (passive) | 1.46M | +7.9% | $204.57M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 25 | Citadel Advisors ✦ | 1.39M | -3.9% | $194.27M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 26 | Citadel Advisors ✦ | 1.39M | -3.9% | $194.27M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 27 | Ameriprise Financial Inc | 1.32M | -18.4% | $183.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | Ameriprise Financial Inc | 1.32M | -18.4% | $183.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | Ameriprise Financial Inc | 1.32M | -18.4% | $183.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | Ameriprise Financial Inc | 1.32M | -18.4% | $183.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 31 | Ameriprise Financial Inc | 1.32M | -18.4% | $183.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Ameriprise Financial Inc | 1.32M | -18.4% | $183.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 33 | Capital World Investors ✦ | 1.02M | +2.7% | $141.99M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 34 | Alliancebernstein L.P. | 1.25M | -10.2% | $135.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 35 | Goldman Sachs Group ✦ | 897.02K | -34.8% | $125.37M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 36 | Goldman Sachs Group ✦ | 897.02K | -34.8% | $125.37M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 37 | Goldman Sachs Group ✦ | 897.02K | -34.8% | $125.37M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 38 | Goldman Sachs Group ✦ | 897.02K | -34.8% | $125.37M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 39 | Charles Schwab Investment… | 752.64K | +5.3% | $105.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Invesco Ltd. | 706.88K | -22.7% | $98.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | Invesco Ltd. | 706.88K | -22.7% | $98.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | Invesco Ltd. | 706.88K | -22.7% | $98.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Invesco Ltd. | 706.88K | -22.7% | $98.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Invesco Ltd. | 706.88K | -22.7% | $98.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Invesco Ltd. | 706.88K | -22.7% | $98.79M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | T. Rowe Price ✦ | 679.63K | +102.0% | $94.99M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 47 | T. Rowe Price ✦ | 679.63K | +102.0% | $94.99M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 48 | Nomura Asset Management… | 647.43K | +5.8% | $90.48M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 49 | Northern Trust Corp | 612.50K | +6.3% | $85.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Northern Trust Corp | 612.50K | +6.3% | $85.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 51 | Northern Trust Corp | 612.50K | +6.3% | $85.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 52 | Northern Trust Corp | 612.50K | +6.3% | $85.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Northern Trust Corp | 612.50K | +6.3% | $85.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | Northern Trust Corp | 612.50K | +6.3% | $85.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | Northern Trust Corp | 612.50K | +6.3% | $85.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 589.79K | -13.1% | $82.43M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 589.79K | -13.1% | $82.43M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 58 | Morgan Stanley ✦ | 589.79K | -13.1% | $82.43M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 59 | Morgan Stanley ✦ | 589.79K | -13.1% | $82.43M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 60 | Morgan Stanley ✦ | 589.79K | -13.1% | $82.43M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 61 | Morgan Stanley ✦ | 589.79K | -13.1% | $82.43M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 62 | Morgan Stanley ✦ | 589.79K | -13.1% | $82.43M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 63 | Morgan Stanley ✦ | 589.79K | -13.1% | $82.43M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 64 | Morgan Stanley ✦ | 589.79K | -13.1% | $82.43M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 65 | Bank Of America Corp /De/ | 587.33K | -10.7% | $82.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Bank Of America Corp /De/ | 587.33K | -10.7% | $82.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 67 | Bank Of America Corp /De/ | 587.33K | -10.7% | $82.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | Bank Of America Corp /De/ | 587.33K | -10.7% | $82.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 69 | Bank Of America Corp /De/ | 587.33K | -10.7% | $82.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 70 | Bank Of America Corp /De/ | 587.33K | -10.7% | $82.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 71 | UBS Group AG | 578.27K | +49.7% | $80.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | UBS Group AG | 578.27K | +49.7% | $80.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | UBS Group AG | 578.27K | +49.7% | $80.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 74 | UBS Group AG | 578.27K | +49.7% | $80.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 75 | Norges Bank ✦ (passive) | 498.50K | New | $69.67M | 0.0% | New | 1 | SEC ↗ |
| 76 | Balyasny Asset Management L.P. | 491.64K | New | $68.71M | 0.1% | New | 1 | SEC ↗ |
| 77 | Jennison Associates Llc | 491.50K | +0.9% | $68.69M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | Jennison Associates Llc | 491.50K | +0.9% | $68.69M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | Loomis Sayles & Co L P | 469.39K | +11.4% | $65.60M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 80 | Loomis Sayles & Co L P | 469.39K | +11.4% | $65.60M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 81 | Clearbridge Investments, LLC | 431.07K | +50.7% | $60.25M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 82 | Wellington Management ✦ | 428.21K | +187.1% | $59.85M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 83 | Wellington Management ✦ | 428.21K | +187.1% | $59.85M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 84 | Wellington Management ✦ | 428.21K | +187.1% | $59.85M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 85 | Wellington Management ✦ | 428.21K | +187.1% | $59.85M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 86 | Wellington Management ✦ | 428.21K | +187.1% | $59.85M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 87 | Allspring Global Investments… | 418.00K | +6.1% | $57.50M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 88 | Allspring Global Investments… | 418.00K | +6.1% | $57.50M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 89 | Allspring Global Investments… | 418.00K | +6.1% | $57.50M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 90 | Fidelity (FMR) ✦ | 377.49K | +24.5% | $52.76M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 91 | Fidelity (FMR) ✦ | 377.49K | +24.5% | $52.76M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 92 | Fidelity (FMR) ✦ | 377.49K | +24.5% | $52.76M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 93 | Fidelity (FMR) ✦ | 377.49K | +24.5% | $52.76M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 94 | Fidelity (FMR) ✦ | 377.49K | +24.5% | $52.76M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 95 | Principal Financial Group Inc | 358.76K | +27.8% | $50.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | Principal Financial Group Inc | 358.76K | +27.8% | $50.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 97 | Bank of New York Mellon Corp | 357.15K | +4.1% | $49.92M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 98 | Bank of New York Mellon Corp | 357.15K | +4.1% | $49.92M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 99 | Bank of New York Mellon Corp | 357.15K | +4.1% | $49.92M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 100 | Bank of New York Mellon Corp | 357.15K | +4.1% | $49.92M | 0.0% | ▲ Add | 3 | 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% |
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)
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: Q2 2026 ·
Methodology ·
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