Position in ZLAB
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$5,188,136
+$1,715,650 QoQ
Shares Held
275,818
+40.1% QoQ
Ownership
0.019%
of shares outstanding
% of Portfolio
3.71%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2024
8 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 Sep 30, 2024CallValue
$2,414,000
CallShares
100,000
PutValue
$0
PutShares
0
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, 2026SUPERSTRING CAPITAL MANAGEMENT LP holds $130,439,416 across 32 Biotechnology names. ZLAB ranks #12 (4.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SMMT |
Summit Therapeutics Inc.
|
892,873 | $16,928,872 | |
| 2 | IMVT |
Immunovant, Inc.
|
357,606 | $8,882,933 | |
| 3 | COGT |
Cogent Biosciences, Inc.
|
225,158 | $8,666,331 | |
| 4 | SVRA |
Savara Inc
|
1,585,977 | $8,659,434 | |
| 5 | URGN |
UroGen Pharma Ltd.
|
387,371 | $6,964,930 | |
| 6 | DFTX |
Definium Therapeutics, Inc.
|
351,461 | $6,642,612 | |
| 7 | VIR |
Vir Biotechnology, Inc.
|
730,548 | $6,545,710 | |
| 8 | PCVX |
Vaxcyte, Inc.
|
110,454 | $6,418,481 |
All Filings in ZLAB
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,188,136 | 275,818 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $3,472,486 | 196,853 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $6,799,282 | 200,628 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $4,717,278 | 134,895 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $10,659,384 | 294,947 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $10,571,069 | 403,630 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $15,134,138 | 626,932 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $2,414,000 | 100,000 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $3,729,034 | 215,178 | Shares | Sole | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||