Position in ABOS
as of Dec 31, 2025
· filed Feb 17, 2026
Position Value
$889,998
+$165,642 QoQ
Shares Held
421,800
-0.4% QoQ
Ownership
0.584%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2023
10 quarters on record
Voting authority
Sole 95.92223802750118.ToString("F0")%
Shared 0.ToString("F0")%
None 4.077761972498815.ToString("F0")%
Common Shares in ABOS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Dec 31, 2025TWO SIGMA ADVISERS, LP holds $2,538,392,646 across 227 Biotechnology names. ABOS ranks #115 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
|
604,540 | $466,626,289 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,132,560 | $450,362,484 | |
| 3 | IONS |
Ionis Pharmaceuticals Inc
|
3,052,111 | $241,452,501 | |
| 4 | MRNA |
Moderna, Inc.
|
7,729,700 | $227,948,853 | |
| 5 | ARGX |
Argenx SE
|
135,500 | $113,948,725 | |
| 6 | BBIO |
BridgeBio Pharma, Inc.
|
1,401,035 | $107,165,167 | |
| 7 | VKTX |
Viking Therapeutics, Inc.
|
2,129,228 | $74,906,241 | |
| 8 | INSM |
INSMED Inc
|
395,000 | $68,745,800 |
All Filings in ABOS
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2025-12-31 | $889,998 | 421,800 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $724,356 | 423,600 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $494,508 | 426,300 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $510,070 | 463,700 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $858,452 | 499,100 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $1,163,368 | 469,100 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $948,882 | 392,100 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $878,850 | 217,000 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $498,048 | 129,700 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $83,365 | 20,088 | Shares | Sole | 2023-11-14 | |
| No filing history on record for this holder in this stock. | ||||||