Position in ALT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$7,635,012
+$3,065,897 QoQ
Shares Held
2,478,900
+95.9% QoQ
Ownership
1.27%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
20 quarters on record
Voting authority
Sole 98.76961555528662.ToString("F0")%
Shared 0.ToString("F0")%
None 1.230384444713381.ToString("F0")%
Common Shares in ALT 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. ALT ranks #83 (0.1% 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 ALT
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $7,635,012 | 2,478,900 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $4,569,115 | 1,265,683 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $7,528,116 | 1,996,848 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,692,296 | 437,286 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $5,739,080 | 1,147,816 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $4,364,234 | 605,303 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $2,789,414 | 454,302 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $3,834,163 | 576,566 | Shares | Sole | 2024-08-14 | |
| 2023-09-30 | $1,735,292 | 667,420 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $3,483,474 | 986,820 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $4,406,469 | 1,044,187 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $12,770,085 | 776,297 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $12,484,552 | 977,647 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $7,202,730 | 615,618 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $3,680,917 | 604,420 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $5,280,025 | 576,422 | Shares | Sole | 2022-02-14 | |
| 2021-03-31 | $373,017 | 26,399 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $460,810 | 40,852 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $8,608,617 | 652,168 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $170,278 | 15,899 | Shares | Sole | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||