Position in MIRM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$71,579,811
+$40,888,879 QoQ
Shares Held
774,841
+99.4% QoQ
Ownership
1.27%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
22 quarters on record
Voting authority
Sole 98.69650676719482.ToString("F0")%
Shared 0.ToString("F0")%
None 1.3034932328051818.ToString("F0")%
Common Shares in MIRM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026TWO SIGMA INVESTMENTS, LP holds $5,506,832,621 across 316 Biotechnology names. MIRM ranks #14 (1.3% 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 MIRM
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $71,579,811 | 774,841 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $30,690,932 | 388,542 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $25,154,567 | 343,126 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $8,743,614 | 171,814 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $7,889,426 | 175,126 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $5,228,542 | 126,446 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $8,871,447 | 227,473 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $5,591,432 | 163,540 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $3,902,467 | 155,353 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $5,789,698 | 196,128 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $10,389,574 | 328,784 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $2,667,455 | 103,110 | Shares | Sole | 2023-08-14 | |
| 2022-09-30 | $1,003,185 | 47,748 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,360,342 | 121,292 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $4,313,255 | 195,879 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $2,711,133 | 169,977 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $3,093,078 | 155,275 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $1,623,790 | 93,915 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $1,903,116 | 96,020 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $261,900 | 15,000 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $1,017,128 | 52,783 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $871,671 | 44,793 | Shares | Sole | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||