Position in IBRX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$96,424,148
+$95,798,080 QoQ
Shares Held
12,571,597
+5201.2% QoQ
Ownership
1.20%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
11 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IBRX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026D. E. Shaw & Co., Inc. holds $4,371,472,260 across 180 Biotechnology names. IBRX ranks #11 (2.2% 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 IBRX
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $96,424,148 | 12,571,597 | Shares | Defined | 2026-05-15 | |
| 2025-06-30 | $626,068 | 237,147 | Shares | Defined | 2025-08-14 | |
| 2024-09-30 | $1,934,597 | 520,053 | Shares | Defined | 2024-11-14 | |
| 2024-03-31 | $1,270,724 | 236,634 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $2,967,327 | 591,101 | Shares | Defined | 2024-02-14 | |
| 2022-09-30 | $3,372,163 | 678,504 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $1,527,717 | 410,677 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $534,452 | 95,268 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $2,009,446 | 330,501 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $3,676,557 | 377,470 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $1,204,832 | 84,372 | Shares | Defined | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||