Glaukos
GKOS
333 hedge funds and large institutions have $6.44B invested in Glaukos in 2025 Q4 according to their latest regulatory filings, with 77 funds opening new positions, 121 increasing their positions, 102 reducing their positions, and 52 closing their positions.
300% more funds holding in top 10
Funds holding in top 10: 1 → 4 (+3)
48% more first-time investments, than exits
New positions opened: 77 | Existing positions closed: 52
41% more capital invested
Capital invested by funds: $4.56B → $6.44B (+$1.88B)
19% more repeat investments, than reductions
Existing positions increased: 121 | Existing positions reduced: 102
6% more funds holding
Funds holding: 315 → 333 (+18)
1.87% more ownership
Funds ownership: 97.52% → 99.38% (+1.9%)
79% less call options, than puts
Call options by funds: $19.9M | Put options by funds: $96.5M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Janus Henderson Group
London,
|
+$187M |
| 2 |
Primecap Management
Pasadena,
California
|
+$107M |
| 3 |
Goldman Sachs
New York
|
+$87.3M |
| 4 |
Holocene Advisors
New York
|
+$71.9M |
| 5 |
Millennium Management
New York
|
+$66.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
-$296M |
| 2 |
Westfield Capital Management
Boston,
Massachusetts
|
-$100M |
| 3 |
Point72 Asset Management
Stamford,
Connecticut
|
-$50.6M |
| 4 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$48.9M |
| 5 |
BCM
Brown Capital Management
Baltimore,
Maryland
|
-$41.7M |
GKOS Hedge Fund Activity: Q4 2025 in Review
333 of the 8,284 institutional investors tracked by Wall St. Rank reported a position in Glaukos (GKOS) for Q4 2025, worth a combined $6.44B — up 41% from $4.56B a quarter earlier.
Buyers outnumbered sellers: 77 funds opened new GKOS positions and 52 closed out — a net gain of 25 holders — while 121 added to existing stakes and 102 trimmed.
The largest buyer was Janus Henderson Group, adding an estimated $187M. The largest seller was Wellington Management Group, cutting an estimated $296M.
- 333 institutional investors held Glaukos (GKOS) as of Q4 2025, up from 315 in Q3 2025.
- Funds reported $6.44B of Glaukos stock for Q4 2025, up 41% quarter-over-quarter.
- 77 funds opened new Glaukos positions in Q4 2025 and 52 closed out, a net change of +25 holders.
- The largest Glaukos buyer in Q4 2025 was Janus Henderson Group, an estimated $187M added.
- The largest Glaukos seller in Q4 2025 was Wellington Management Group, an estimated $296M sold.
Based on aggregated 13F filings for Q4 2025.