Position in SRRK
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$8,783,515
-$9,079,773 QoQ
Shares Held
178,672
-55.9% QoQ
Ownership
0.149%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
16 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in SRRK Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026TWO SIGMA INVESTMENTS, LP holds $5,502,861,072 across 315 Biotechnology names. SRRK ranks #74 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,992,577 | $659,283,951 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
812,236 | $627,566,023 | |
| 3 | MRNA |
Moderna, Inc.
|
9,086,404 | $461,589,323 | |
| 4 | IONS |
Ionis Pharmaceuticals Inc
|
5,857,629 | $439,849,361 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
3,120,631 | $231,738,058 | |
| 6 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
378,146 | $168,857,314 | |
| 7 | RVMD |
Revolution Medicines, Inc.
|
1,558,807 | $151,593,980 | |
| 8 | VKTX |
Viking Therapeutics, Inc.
|
4,432,142 | $144,221,900 |
All Filings in SRRK
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $8,783,515 | 178,672 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $17,863,288 | 405,523 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $5,923,692 | 159,068 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $8,001,271 | 225,897 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $11,983,494 | 372,737 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $17,182,067 | 397,549 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $4,957,501 | 618,914 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $6,669,597 | 800,672 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $5,697,745 | 320,819 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $1,503,191 | 79,957 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $164,720 | 23,200 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $182,468 | 24,200 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $112,800 | 14,100 | Shares | Sole | 2023-05-15 | |
| 2022-03-31 | $310,649 | 24,100 | Shares | Sole | 2022-05-16 | |
| 2021-06-30 | $992,252 | 34,334 | Shares | Sole | 2021-08-16 | |
| 2020-06-30 | $268,579 | 14,749 | Shares | Sole | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||