Glaukos
GKOS
317 hedge funds and large institutions have $5.67B invested in Glaukos in 2025 Q1 according to their latest regulatory filings, with 53 funds opening new positions, 117 increasing their positions, 114 reducing their positions, and 56 closing their positions.
3% more repeat investments, than reductions
Existing positions increased: 117 | Existing positions reduced: 114
5% less first-time investments, than exits
New positions opened: 53 | Existing positions closed: 56
2% less funds holding
Funds holding: 322 → 317 (-5)
1.87% less ownership
Funds ownership: 103.62% → 101.75% (-1.9%)
33% less funds holding in top 10
Funds holding in top 10: 6 → 4 (-2)
34% less capital invested
Capital invested by funds: $8.57B → $5.67B (-$2.9B)
64% less call options, than puts
Call options by funds: $27.9M | Put options by funds: $77.9M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
+$61.5M |
| 2 |
Holocene Advisors
New York
|
+$58.3M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
+$56.8M |
| 4 |
ClearBridge Investments
New York
|
+$46.6M |
| 5 |
Marshall Wace
London,
United Kingdom
|
+$46M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
-$133M |
| 2 |
1832 Asset Management
Toronto,
Ontario, Canada
|
-$108M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$103M |
| 4 |
Point72 Asset Management
Stamford,
Connecticut
|
-$42M |
| 5 |
Millennium Management
New York
|
-$42M |
GKOS Hedge Fund Activity: Q1 2025 in Review
317 of the 7,471 institutional investors tracked by Wall St. Rank reported a position in Glaukos (GKOS) for Q1 2025, worth a combined $5.67B — down 34% from $8.57B a quarter earlier.
Sellers outnumbered buyers: 56 funds closed out of GKOS and 53 opened new positions — a net loss of 3 holders — while 114 trimmed existing stakes and 117 added.
The largest buyer was AllianceBernstein, adding an estimated $61.5M. The largest seller was Lord, Abbett & Co, cutting an estimated $133M.
- 317 institutional investors held Glaukos (GKOS) as of Q1 2025, down from 322 in Q4 2024.
- Funds reported $5.67B of Glaukos stock for Q1 2025, down 34% quarter-over-quarter.
- 53 funds opened new Glaukos positions in Q1 2025 and 56 closed out, a net change of -3 holders.
- The largest Glaukos buyer in Q1 2025 was AllianceBernstein, an estimated $61.5M added.
- The largest Glaukos seller in Q1 2025 was Lord, Abbett & Co, an estimated $133M sold.
Based on aggregated 13F filings for Q1 2025.