Arrowhead Research Corp. (arwr 0 01/15/32)
13F holders, Q2 2026 (June 30)6holders −1
2new positions
3sold out
$2.15avg. 13F price*
At the end of Q2 2026, 6 institutions reported holding Arrowhead Research Corp. (arwr 0 01/15/32) in their 13F filings, down 1 from Q1 2026. 2 opened new positions and 3 sold out. The largest holders were Loomis Sayles & Co. L P ($5.3M), State of Wisconsin Investment Board ($4.8M) and Bank of New York Mellon Corp ($1.3M).
- Company
- Arrowhead Research Corp. (arwr 0 01/15/32)
- CUSIP
- 04280AAC4
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $162K |
| Exits | 3 | $7.7M |
All 13F filers, Q1 2026 → Q2 2026: 1,304,000 shares bought and 6,817,495 shares sold, net −5,513,495 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 6 holders
| Loomis Sayles & Co. L P | 0.01% | Reduce -61.9% | 65,633 | $5.3M |
| State of Wisconsin Investment Board | 0.01% | Add +33.3% | 4,000,000 | $4.8M |
| Bank of New York Mellon Corp | 0.00% | Reduce -8.2% | 1,115,000 | $1.3M |
| Sei Investments Co. | 0.00% | Add +525.0% | 200,000 | $239K |
| Oppenheimer Asset Management Inc. | 0.00% | New | 103,000 | $123K |
| Stephens Inc. | 0.00% | New | 33,000 | $39K |
"% of holder's portfolio" is ARROWHEAD RESEARCH CORP (ARWR 0 01/15/32)'s weight in each manager's 13F, not the share of Arrowhead Research Corp. (arwr 0 01/15/32) the manager owns.