Position in ZLAB
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$5,825,889
+$5,305,104 QoQ
Shares Held
309,723
+949.1% QoQ
Ownership
0.021%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
16 quarters on record
Voting authority
Sole 99%
Shared 0%
None 1%
Common Shares in ZLAB Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026TWO SIGMA INVESTMENTS, LP holds $5,513,200,662 across 316 Biotechnology names. ZLAB ranks #92 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,992,577 | $659,283,951 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
812,236 | $627,566,023 | |
| 3 | MRNA |
Moderna, Inc.
|
9,086,404 | $461,589,323 | |
| 4 | IONS |
Ionis Pharmaceuticals Inc
|
5,857,629 | $439,849,361 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
3,120,631 | $231,738,058 | |
| 6 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
378,146 | $168,857,314 | |
| 7 | RVMD |
Revolution Medicines, Inc.
|
1,558,807 | $151,593,980 | |
| 8 | VKTX |
Viking Therapeutics, Inc.
|
4,432,142 | $144,221,900 |
All Filings in ZLAB
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,825,889 | 309,723 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $520,785 | 29,523 | Shares | Sole | 2026-02-17 | |
| 2025-03-31 | $2,018,166 | 55,843 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $779,335 | 29,757 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $1,641,809 | 68,012 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,141,839 | 65,888 | Shares | Sole | 2024-08-14 | |
| 2023-03-31 | $568,746 | 17,100 | Shares | Sole | 2023-05-15 | |
| 2022-03-31 | $1,839,067 | 41,816 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $25,707,032 | 409,022 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $20,328,677 | 192,890 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $1,029,373 | 5,816 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $16,131,153 | 120,896 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $557,059 | 4,116 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $916,200 | 11,016 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $1,200,412 | 14,616 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $274,388 | 5,330 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||