Skip to main content
Equibles

SUPERSTRING CAPITAL MANAGEMENT LP

Position in ZLAB — Zai Lab Ltd

CIK 1931118 NEW YORK, NY
Back to ZLAB Full portfolio

Position in ZLAB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$2,960,447
-$2,227,689 QoQ
Shares Held
155,813
-43.5% QoQ
Ownership
0.139%
of shares outstanding
% of Portfolio
1.86%
of 13F equity value
Holder Rank
#28
of 92 holders
Holding Since
Jun 2024
9 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, 2024
CallValue
$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 Jun 30, 2026

SUPERSTRING CAPITAL MANAGEMENT LP holds $154,068,139 across 30 Biotechnology names. ZLAB ranks #19 (1.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 COGT
Cogent Biosciences, Inc.
 343,284 $13,285,090
2 AXSM
Axsome Therapeutics, Inc.
 53,916 $13,197,019
3 GMAB
Genmab A/S
 430,600 $11,828,582
4 CLDX
Celldex Therapeutics, Inc.
 287,583 $10,700,963
5 TRVI
Trevi Therapeutics, Inc.
 524,224 $9,776,777
6 RVMD
Revolution Medicines, Inc.
 51,053 $9,561,205
7 DFTX
Definium Therapeutics, Inc.
 188,282 $8,856,785
8 VIR
Vir Biotechnology, Inc.
 853,685 $8,699,050

All Filings in ZLAB

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,960,447 155,813
2026-03-31 $5,188,136 275,818
2025-12-31 $3,472,486 196,853
2025-09-30 $6,799,282 200,628
2025-06-30 $4,717,278 134,895
2025-03-31 $10,659,384 294,947
2024-12-31 $10,571,069 403,630
2024-09-30 $15,134,138 626,932
2024-09-30 $2,414,000 100,000
2024-06-30 $3,729,034 215,178