Position in IBRX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$97,155,163
+$63,518,378 QoQ
Shares Held
11,097,106
+153.0% QoQ
Ownership
1.05%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#6
of 403 holders
Holding Since
Mar 2020
10 quarters on record
Voting authority
Sole 99%
Shared 0%
None 1%
Common Shares in IBRX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026TWO SIGMA INVESTMENTS, LP holds $7,273,657,992 across 342 Biotechnology names. IBRX ranks #20 (1.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,875,937 | $564,713,315 | |
| 2 | MRNA |
Moderna, Inc.
|
7,193,530 | $503,762,905 | |
| 3 | IONS |
Ionis Pharmaceuticals Inc
|
6,252,342 | $495,748,197 | |
| 4 | REGN |
Regeneron Pharmaceuticals, Inc.
|
656,124 | $409,119,558 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
4,722,185 | $351,708,338 | |
| 6 | EXEL |
Exelixis, Inc.
|
4,209,861 | $229,058,537 | |
| 7 | INCY |
Incyte Corp
|
2,003,559 | $227,123,448 | |
| 8 | ARGX |
Argenx SE
|
185,638 | $172,229,367 |
All Filings in IBRX
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $97,155,163 | 11,097,106 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $33,636,785 | 4,385,500 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $9,341,329 | 4,717,843 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $6,415,335 | 2,607,860 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $2,118,766 | 802,563 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $71,638 | 23,800 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $72,491 | 28,317 | Shares | Sole | 2025-02-14 | |
| 2021-06-30 | $1,222,068 | 85,579 | Shares | Sole | 2021-08-16 | |
| 2020-09-30 NK | — | 617,599 | Shares | Sole | 2020-11-16 | |
| 2020-03-31 NK | — | 36,398 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||