Position in ZLAB
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$5,039,687
-$1,699,885 QoQ
Shares Held
267,926
-29.9% QoQ
Ownership
0.018%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ZLAB Over Time
Shares Held
Position Value (USD)
Derivatives in ZLAB
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$3,743,190
PutShares
199,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Mar 31, 2026JANE STREET GROUP, LLC holds $1,248,975,671 across 317 Biotechnology names. ZLAB ranks #46 (0.4% 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 ZLAB
Export CSV
44 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,743,190 | 199,000 | Put | Defined | 2026-05-12 | |
| 2026-03-31 | $5,039,687 | 267,926 | Shares | Defined | 2026-05-12 | |
| 2025-12-31 | $6,739,572 | 382,062 | Shares | Defined | 2026-02-12 | |
| 2025-12-31 | $3,448,620 | 195,500 | Put | Defined | 2026-02-12 | |
| 2025-09-30 | $2,968,764 | 87,600 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $1,037,034 | 30,600 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $961,675 | 27,500 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $3,126,318 | 89,400 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $6,299,202 | 174,300 | Put | Defined | 2025-05-19 | |
| 2025-03-31 | $802,308 | 22,200 | Call | Defined | 2025-05-19 | |
| 2024-12-31 | $822,366 | 31,400 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $284,971 | 10,881 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $6,023,700 | 230,000 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $880,505 | 36,475 | Shares | Defined | 2024-11-15 | |
| 2024-09-30 | $890,766 | 36,900 | Call | Defined | 2024-11-15 | |
| 2024-09-30 | $5,827,396 | 241,400 | Put | Defined | 2024-11-15 | |
| 2024-06-30 | $3,016,094 | 174,039 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $2,089,311 | 130,419 | Shares | Defined | 2024-05-16 | |
| 2023-12-31 | $4,204,555 | 153,844 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $714,275 | 29,382 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $860,710 | 31,039 | Shares | Defined | 2023-08-14 | |
| 2022-12-31 | $746,192 | 24,306 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $508,314 | 14,863 | Shares | Defined | 2022-11-15 | |
| 2022-03-31 | $373,830 | 8,500 | Call | Defined | 2022-05-17 | |
| 2022-03-31 | $923,580 | 21,000 | Put | Defined | 2022-05-17 | |
| 2022-03-31 | $1,675,989 | 38,108 | Shares | Defined | 2022-05-17 | |
| 2021-12-31 | $917,610 | 14,600 | Call | Defined | 2022-02-15 | |
| 2021-12-31 | $1,105,531 | 17,590 | Shares | Defined | 2022-02-15 | |
| 2021-12-31 | $697,635 | 11,100 | Put | Defined | 2022-02-15 | |
| 2021-09-30 | $4,647,699 | 44,100 | Put | Defined | 2021-11-16 | |
| 2021-09-30 | $4,811,580 | 45,655 | Shares | Defined | 2021-11-16 | |
| 2021-09-30 | $7,704,009 | 73,100 | Call | Defined | 2021-11-16 | |
| 2021-06-30 | $3,274,315 | 18,500 | Put | Defined | 2021-08-16 | |
| 2021-06-30 | $20,406,947 | 115,300 | Call | Defined | 2021-08-16 | |
| 2021-06-30 | $1,159,460 | 6,551 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $2,281,653 | 17,100 | Call | Defined | 2021-05-18 | |
| 2021-03-31 | $2,148,223 | 16,100 | Put | Defined | 2021-05-18 | |
| 2021-03-31 | $1,437,441 | 10,773 | Shares | Defined | 2021-05-18 | |
| 2020-12-31 | $676,700 | 5,000 | Call | Defined | 2021-02-17 | |
| 2020-12-31 | $696,459 | 5,146 | Shares | Defined | 2021-02-17 | |
| 2020-09-30 | $436,892 | 5,253 | Shares | Defined | 2020-11-17 | |
| 2020-09-30 | $1,621,815 | 19,500 | Call | Defined | 2020-11-17 | |
| 2020-06-30 | $574,910 | 7,000 | Shares | Defined | 2020-08-17 | |
| 2020-03-31 | $293,230 | 5,696 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||