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Arrowhead Research

304 hedge funds and large institutions have $3.83B invested in Arrowhead Research in 2025 Q3 according to their latest regulatory filings, with 66 funds opening new positions, 101 increasing their positions, 83 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more first-time investments, than exits

New positions opened: | Existing positions closed:

22% more repeat investments, than reductions

Existing positions increased: 101 | Existing positions reduced: 83

8% more funds holding

Funds holding: 282304 (+22)

3.65% more ownership

Funds ownership: 76.65%80.3% (+3.7%)

Holders
304
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$36.5M
Puts
$9.75M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
276
$6K
277
$5.42K
278
$5.24K
279
$5.07K
280
$4.31K
281
$4K
282
$3.86K
283
$3.45K
284
$3.45K
285
$3.21K
286
$3.17K
287
$3K
288
$2.76K
289
$2.62K
290
$2.59K
291
$2.52K
292
$1.79K
293
$1.59K
294
$1.55K
295
$1.35K
296
$1.31K
297
$1.31K
298
$1.1K
299
$621
300
$621