Position in ALEC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$7,165,594
+$3,475,960 QoQ
Shares Held
3,332,835
+40.9% QoQ
Ownership
3.00%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
15 quarters on record
Voting authority
Sole 99%
Shared 0%
None 1%
Common Shares in ALEC Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026D. E. Shaw & Co., Inc. holds $4,382,181,502 across 180 Biotechnology names. ALEC ranks #76 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INSM |
INSMED Inc
|
5,625,825 | $919,934,903 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,059,062 | $350,411,843 | |
| 3 | BBIO |
BridgeBio Pharma, Inc.
|
2,545,486 | $189,027,789 | |
| 4 | PCVX |
Vaxcyte, Inc.
|
2,865,318 | $166,503,628 | |
| 5 | EXEL |
Exelixis, Inc.
|
3,603,063 | $154,535,371 | |
| 6 | HALO |
Halozyme Therapeutics, Inc.
|
1,868,708 | $120,774,597 | |
| 7 | PTCT |
Ptc Therapeutics, Inc.
|
1,640,381 | $111,759,157 | |
| 8 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
248,960 | $111,170,598 |
All Filings in ALEC
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $7,165,594 | 3,332,835 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $3,689,634 | 2,365,151 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $2,895,483 | 978,204 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $747,879 | 534,200 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $577,240 | 469,301 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $697,365 | 368,977 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $890,022 | 190,992 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,599,183 | 352,243 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $1,984,342 | 329,625 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $1,469,492 | 184,147 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $771,236 | 119,018 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $109,351 | 18,195 | Shares | Defined | 2023-08-14 | |
| 2021-09-30 | $879,665 | 38,548 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $793,143 | 38,077 | Shares | Defined | 2021-08-16 | |
| 2020-12-31 | $195,207 | 12,902 | Shares | Defined | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||