ACADIAN ASSET MANAGEMENT LLC
Position in ATNM — Actinium Pharmaceuticals, Inc.
CIK 916542
Boston, MA
Position in ATNM
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$597,814
-$226,807 QoQ
Shares Held
600,819
-0.9% QoQ
Ownership
1.91%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2022
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATNM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026ACADIAN ASSET MANAGEMENT LLC holds $703,385,515 across 179 Biotechnology names. ATNM ranks #84 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INCY |
Incyte Corp
|
1,900,824 | $178,905,554 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
151,191 | $116,816,214 | |
| 3 | QNCX |
Quince Therapeutics, Inc.
|
1,750,862 | $35,367,412 | |
| 4 | LEGN |
Legend Biotech Corp
|
1,527,336 | $27,629,508 | |
| 5 | TBPH |
Theravance Biopharma, Inc.
|
1,276,576 | $20,718,828 | |
| 6 | RIGL |
Rigel Pharmaceuticals Inc
|
666,426 | $18,020,159 | |
| 7 | IMCR |
Immunocore Holdings plc
|
501,091 | $15,107,893 | |
| 8 | PRTA |
Prothena Corp Public Ltd Co
|
1,547,593 | $15,042,603 |
All Filings in ATNM
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $597,814 | 600,819 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $824,621 | 606,339 | Shares | Defined | 2026-02-10 | |
| 2025-09-30 | $783,323 | 489,577 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $688,720 | 491,943 | Shares | Defined | 2025-08-07 | |
| 2025-03-31 | $811,501 | 504,038 | Shares | Defined | 2025-05-21 | |
| 2024-12-31 | $629,067 | 499,260 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $852,944 | 453,694 | Shares | Defined | 2024-11-12 | |
| 2022-12-31 | $273,630 | 25,693 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $116,330 | 15,763 | Shares | Defined | 2022-11-14 | |
| No filing history on record for this holder in this stock. | ||||||