O'SHAUGHNESSY ASSET MANAGEMENT, LLC
Position in ARWR — Arrowhead Pharmaceuticals, Inc.
CIK 1423442
Stamford, CT
Position in ARWR
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$770,269
+$101,699 QoQ
Shares Held
9,450
-11.4% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#261
of 497 holders
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ARWR Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026O'SHAUGHNESSY ASSET MANAGEMENT, LLC holds $102,425,978 across 44 Biotechnology names. ARWR ranks #23 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
42,063 | $20,893,953 | |
| 2 | AUPH |
Aurinia Pharmaceuticals Inc.
|
567,492 | $9,630,339 | |
| 3 | PBYI |
Puma Biotechnology, Inc.
|
1,123,783 | $9,113,880 | |
| 4 | EXEL |
Exelixis, Inc.
|
124,709 | $6,785,416 | |
| 5 | JAZZ |
Jazz Pharmaceuticals plc
|
25,864 | $6,232,448 | |
| 6 | ARGX |
Argenx SE
|
6,450 | $5,984,116 | |
| 7 | REGN |
Regeneron Pharmaceuticals, Inc.
|
9,404 | $5,863,770 | |
| 8 | RIGL |
Rigel Pharmaceuticals Inc
|
131,177 | $5,131,644 |
All Filings in ARWR
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $770,269 | 9,450 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $668,570 | 10,663 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $968,497 | 14,588 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $327,344 | 9,491 | Shares | Sole | 2025-11-13 | |
| 2024-09-30 | $203,210 | 10,491 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $246,411 | 9,481 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $278,907 | 9,752 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $302,817 | 9,896 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $256,823 | 9,558 | Shares | Sole | 2023-11-13 | |
| 2023-03-31 | $254,355 | 10,014 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $473,213 | 11,667 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $399,111 | 12,076 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $341,677 | 9,704 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $431,294 | 9,378 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $480,277 | 7,244 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $377,077 | 6,040 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $544,293 | 6,572 | Shares | Sole | 2021-08-09 | |
| 2021-03-31 | $435,789 | 6,572 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $512,172 | 6,675 | Shares | Sole | 2021-02-11 | |
| 2020-09-30 | $502,510 | 11,670 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $554,775 | 12,845 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $452,897 | 15,742 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||