Harrow
HROW
218 hedge funds and large institutions have $755M invested in Harrow in 2026 Q1 according to their latest regulatory filings, with 44 funds opening new positions, 67 increasing their positions, 76 reducing their positions, and 33 closing their positions.
105% more call options, than puts
Call options by funds: $53M | Put options by funds: $25.9M
33% more first-time investments, than exits
New positions opened: 44 | Existing positions closed: 33
20% more funds holding in top 10
Funds holding in top 10: 5 → 6 (+1)
1% more funds holding
Funds holding: 215 → 218 (+3)
2.43% less ownership
Funds ownership: 59.94% → 57.5% (-2.4%)
12% less repeat investments, than reductions
Existing positions increased: 67 | Existing positions reduced: 76
31% less capital invested
Capital invested by funds: $1.09B → $755M (-$332M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
+$19.5M |
| 2 |
IC
Ikarian Capital
Dallas,
Texas
|
+$15.8M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
+$9.19M |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$9.16M |
| 5 |
LCG
Luxor Capital Group
New York
|
+$8.87M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OM
Opaleye Management
Boston,
Massachusetts
|
-$47.2M |
| 2 |
RA
Royce & Associates
New York
|
-$20.7M |
| 3 |
PCMF
Private Capital Management (Florida)
Naples,
Florida
|
-$12.4M |
| 4 |
Jane Street
New York
|
-$10.5M |
| 5 |
DC
Diametric Capital
Boston,
Massachusetts
|
-$7.36M |
HROW Hedge Fund Activity: Q1 2026 in Review
218 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Harrow (HROW) for Q1 2026, worth a combined $755M — down 31% from $1.09B a quarter earlier.
Buyers outnumbered sellers: 44 funds opened new HROW positions and 33 closed out — a net gain of 11 holders — while 67 added to existing stakes and 76 trimmed.
The largest buyer was Marshall Wace, adding an estimated $19.5M. The largest seller was Opaleye Management, cutting an estimated $47.2M.
- 218 institutional investors held Harrow (HROW) as of Q1 2026, up from 215 in Q4 2025.
- Funds reported $755M of Harrow stock for Q1 2026, down 31% quarter-over-quarter.
- 44 funds opened new Harrow positions in Q1 2026 and 33 closed out, a net change of +11 holders.
- The largest Harrow buyer in Q1 2026 was Marshall Wace, an estimated $19.5M added.
- The largest Harrow seller in Q1 2026 was Opaleye Management, an estimated $47.2M sold.
Based on aggregated 13F filings for Q1 2026.