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 | 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 | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 9.16M | +5.9% | $1.03B | 0.0% | ▲ Add | 3 | SEC ↗ ×17 |
| 2 | The Vanguard Group ✦ (passive) | 6.02M | -0.4% | $679.77M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 3 | PRIMECAP Management ✦ | 3.38M | +49.8% | $381.29M | 0.3% | ▲ Add | 7 | SEC ↗ |
| 4 | Janus Henderson Group Plc | 3.02M | — | $340.85M | 0.2% | n/c | 1 | SEC ↗ ×3 |
| 5 | State Street Global Advisors ✦ (passive) | 2.12M | +0.9% | $239.64M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | Ameriprise Financial Inc | 2.10M | — | $237.60M | 0.1% | n/c | 1 | SEC ↗ ×6 |
| 7 | Alliancebernstein L.P. | 1.64M | — | $185.56M | 0.1% | n/c | 1 | SEC ↗ |
| 8 | Millennium Management ✦ | 1.61M | +76.2% | $181.75M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 9 | Goldman Sachs Group ✦ | 1.35M | +209.1% | $152.48M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 10 | Geode Capital Management ✦ (passive) | 1.32M | +0.1% | $148.80M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 11 | Holocene Advisors, LP | 1.30M | — | $146.70M | 0.3% | n/c | 1 | SEC ↗ |
| 12 | UBS Group AG | 873.94K | — | $98.68M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 13 | Capital World Investors ✦ | 850.89K | 0.0% | $96.07M | 0.0% | Held | 7 | SEC ↗ |
| 14 | Invesco Ltd. | 780.27K | — | $88.10M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 15 | Charles Schwab Investment… | 714.03K | — | $80.62M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Artisan Partners Limited Partnership | 702.82K | — | $79.36M | 0.1% | n/c | 1 | SEC ↗ |
| 17 | Nomura Asset Management… | 672.96K | — | $75.98M | 0.1% | n/c | 1 | SEC ↗ |
| 18 | Morgan Stanley ✦ | 670.78K | +56.1% | $75.74M | 0.0% | ▲ Add | 2 | SEC ↗ ×11 |
| 19 | Northern Trust Corp | 587.13K | — | $66.29M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 20 | D. E. Shaw & Co. ✦ | 558.29K | +100.5% | $63.04M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 21 | JPMorgan Chase ✦ | 556.48K | -58.5% | $62.83M | 0.0% | ▼ Trim | 2 | SEC ↗ ×9 |
| 22 | Bank Of America Corp /De/ | 538.68K | — | $60.82M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 23 | Norges Bank ✦ (passive) | 536.14K | New | $60.54M | 0.0% | New | 1 | SEC ↗ |
| 24 | Capital International Investors | 511.51K | — | $57.75M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Wellington Management ✦ | 486.82K | -86.4% | $54.97M | 0.0% | ▼ Trim | 7 | SEC ↗ ×3 |
| 26 | Loomis Sayles & Co L P | 447.81K | — | $50.56M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 27 | Nuveen, LLC | 406.05K | — | $45.85M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 28 | Bank of New York Mellon Corp | 355.84K | — | $40.18M | 0.0% | n/c | 1 | SEC ↗ ×11 |
| 29 | Allspring Global Investments… | 355.28K | — | $39.34M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 30 | Principal Financial Group Inc | 274.56K | — | $31.00M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 31 | Adage Capital Partners ✦ | 250.00K | +774.7% | $28.23M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Dimensional Fund Advisors Lp | 205.46K | — | $23.20M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 33 | Royal Bank Of Canada | 191.90K | — | $21.67M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 34 | Voya Investment Management Llc | 189.83K | — | $21.43M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 35 | Qube Research & Technologies Ltd | 188.74K | — | $21.31M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Assenagon Asset Management S.A. | 182.39K | — | $20.59M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Sei Investments Co | 181.85K | — | $20.53M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 38 | Legal & General Group Plc | 179.70K | — | $20.29M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 39 | Point72 Asset Management ✦ | 161.60K | -76.6% | $18.25M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | Rhumbline Advisers | 151.47K | — | $17.10M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | UBS AM, a distinct business unit of… | 143.19K | — | $16.17M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 42 | T. Rowe Price ✦ | 122.17K | +4.5% | $13.79M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 43 | Swiss National Bank | 113.10K | — | $12.77M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Clearbridge Investments, LLC | 112.02K | — | $12.65M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Raymond James Financial Inc | 98.77K | — | $11.25M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 46 | Two Sigma Investments ✦ | 98.65K | +47.4% | $11.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Wcm Investment Management, Llc | 97.37K | — | $11.12M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Barclays Plc | 91.13K | — | $10.29M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 49 | Balyasny Asset Management L.P. | 87.17K | — | $9.84M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Victory Capital Management Inc | 80.10K | — | $9.04M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | New York State Common Retirement… | 79.61K | — | $8.99M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | California Public Employees… | 72.34K | — | $8.17M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Wells Fargo & Company/Mn | 69.17K | — | $7.81M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 54 | Corient Private Wealth LP | 61.96K | — | $7.00M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 55 | Allianz Asset Management GmbH | 56.00K | — | $6.32M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Baird Financial Group, Inc. | 55.43K | — | $6.26M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | California State Teachers… | 54.56K | — | $6.16M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Neuberger Berman Group LLC | 53.78K | — | $6.07M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 59 | Prudential Financial Inc | 53.56K | — | $6.05M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Envestnet Asset Management Inc | 51.83K | — | $5.85M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Canada Pension Plan Investment Board | 51.60K | — | $5.83M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Deutsche Bank Ag\ | 46.73K | — | $5.28M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 63 | Citigroup Inc | 44.62K | — | $5.04M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 64 | Universal- Beteiligungs- und… | 43.00K | — | $4.85M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | State Of Wisconsin Investment Board | 39.14K | — | $4.42M | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Pnc Financial Services Group, Inc. | 32.47K | — | $3.67M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 67 | Creative Planning | 31.81K | — | $3.59M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Connor, Clark & Lunn Investment… | 30.07K | — | $3.40M | 0.0% | n/c | 1 | SEC ↗ |
| 69 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 28.77K | — | $3.25M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Franklin Resources Inc | 28.52K | — | $3.22M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 71 | Russell Investments Group, Ltd. | 27.63K | — | $3.12M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 72 | Citadel Advisors ✦ | 26.96K | -51.8% | $3.04M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 73 | Manufacturers Life Insurance… | 26.77K | — | $3.02M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Amundi | 20.86K | — | $2.35M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 75 | Lazard Asset Management Llc | 20.52K | — | $2.32M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Zurcher Kantonalbank (Zurich… | 19.69K | — | $2.22M | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Bnp Paribas Financial Markets | 19.35K | — | $2.18M | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Us Bancorp \De\ | 16.48K | — | $1.86M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 79 | AQR Capital Management ✦ | 15.57K | +50.9% | $1.76M | 0.0% | ▲ Add | 7 | SEC ↗ ×6 |
| 80 | Mackenzie Financial Corp | 15.40K | — | $1.76M | 0.0% | n/c | 1 | SEC ↗ |
| 81 | Stifel Financial Corp | 14.61K | — | $1.65M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 82 | Blair William & Co/Il | 14.46K | — | $1.63M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | State Board Of Administration Of… | 12.98K | — | $1.47M | 0.0% | n/c | 1 | SEC ↗ |
| 84 | LPL Financial LLC | 12.66K | — | $1.43M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Lido Advisors, LLC | 15.06K | — | $1.23M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 86 | ProShare Advisors LLC | 10.88K | — | $1.23M | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Fidelity (FMR) ✦ | 10.08K | -91.7% | $1.14M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 88 | Commonwealth Equity Services, Llc | 8.38K | — | $946,580 | 0.0% | n/c | 1 | SEC ↗ |
| 89 | Pictet Asset Management Holding SA | 8.21K | — | $927,104 | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Marshall Wace ✦ | 7.24K | -97.8% | $817,920 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 91 | Truist Financial Corp | 6.85K | — | $773,320 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 92 | Tidal Investments LLC | 6.40K | — | $722,511 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 93 | Mariner, LLC | 5.96K | — | $673,008 | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Bank Of Montreal /Can/ | 5.44K | — | $614,457 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 95 | Ensign Peak Advisors, Inc | 4.57K | — | $515,547 | 0.0% | n/c | 1 | SEC ↗ |
| 96 | HighTower Advisors, LLC | 4.37K | — | $493,304 | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Osaic Holdings, Inc. | 4.14K | — | $467,549 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 98 | Fifth Third Bancorp | 3.96K | — | $446,559 | 0.0% | n/c | 1 | SEC ↗ |
| 99 | GAMCO Investors ✦ | 3.70K | -54.3% | $417,880 | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 100 | Hsbc Holdings Plc | 3.70K | — | $417,540 | 0.0% | n/c | 1 | SEC ↗ ×4 |
“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)
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: Q4 2025 ·
Methodology ·
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