Position in OSTX
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$56,845
+$18,009 QoQ
Shares Held
40,316
+45.3% QoQ
Ownership
0.091%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in OSTX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026JANE STREET GROUP, LLC holds $1,255,284,514 across 317 Biotechnology names. OSTX ranks #275 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BBIO |
BridgeBio Pharma, Inc.
|
1,757,672 | $130,524,721 | |
| 2 | RPRX |
Royalty Pharma plc
|
2,400,382 | $115,146,324 | |
| 3 | TGTX |
Tg Therapeutics, Inc.
|
2,041,669 | $67,824,242 | |
| 4 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
122,946 | $54,900,305 | |
| 5 | HALO |
Halozyme Therapeutics, Inc.
|
831,707 | $53,753,223 | |
| 6 | EXEL |
Exelixis, Inc.
|
1,087,030 | $46,622,715 | |
| 7 | JAZZ |
Jazz Pharmaceuticals plc
|
223,615 | $42,274,415 | |
| 8 | BNTX |
BioNTech SE
|
336,757 | $29,930,962 |
All Filings in OSTX
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $56,845 | 40,316 | Shares | Defined | 2026-05-12 | |
| 2025-12-31 | $38,836 | 27,740 | Shares | Defined | 2026-02-12 | |
| No filing history on record for this holder in this stock. | ||||||