TWO SIGMA SECURITIES, LLC
Broker-DealerPosition in ATNM — Actinium Pharmaceuticals, Inc.
CIK 1450144
NEW YORK, NY
Position in ATNM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$35,707
+$18,075 QoQ
Shares Held
35,887
+176.8% QoQ
Ownership
0.114%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2022
3 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, 2026TWO SIGMA SECURITIES, LLC holds $13,248,281 across 97 Biotechnology names. ATNM ranks #51 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BMRN |
Biomarin Pharmaceutical Inc
|
22,096 | $1,248,203 | |
| 2 | INCY |
Incyte Corp
|
11,772 | $1,107,980 | |
| 3 | APLS |
Apellis Pharmaceuticals, Inc.
|
23,779 | $956,629 | |
| 4 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,135 | $876,946 | |
| 5 | TERN |
Terns Pharmaceuticals, Inc.
|
11,908 | $627,789 | |
| 6 | PSTV |
Plus Therapeutics, Inc.
|
142,812 | $571,248 | |
| 7 | ABVX |
Abivax S.A.
|
3,936 | $438,273 | |
| 8 | SYRE |
Spyre Therapeutics, Inc.
|
6,851 | $345,564 |
All Filings in ATNM
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $35,707 | 35,887 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $17,632 | 12,965 | Shares | Sole | 2026-02-17 | |
| 2022-06-30 | $60,721 | 12,624 | Shares | Sole | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||