Arrowhead Research
ARWR
ARWR
432 hedge funds and large institutions have $7.58B invested in Arrowhead Research in 2026 Q1 according to their latest regulatory filings, with 105 funds opening new positions, 167 increasing their positions, 112 reducing their positions, and 62 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
more first-time investments, than exits
New positions opened: | Existing positions closed:
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more funds holding in top 10
Funds holding in top 10: →
8% more funds holding
Funds holding: 400 → 432 (+32)
0.87% more ownership
Funds ownership: 85.43% → 86.3% (+0.87%)
2% less capital invested
Capital invested by funds: $7.71B → $7.58B (-$128M)
Holders
432
Holding in Top 10
11
Calls
$106M
Puts
$55.8M
Top Buyers
| 1 | +$173M | |
| 2 | +$95.6M | |
| 3 | +$87M | |
| 4 |
HRCM
Hood River Capital Management
Palm Beach Gardens,
Florida
|
+$66.9M |
| 5 |
D.E. Shaw & Co
New York
|
+$65.7M |
Top Sellers
| 1 | -$200M | |
| 2 | -$168M | |
| 3 | -$95M | |
| 4 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$39.6M |
| 5 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$36.7M |