SUPERSTRING CAPITAL MANAGEMENT LP

Hedge Fund • Long/Short

SUPERSTRING CAPITAL MANAGEMENT LP is a Long/Short Hedge Fund based in New York, NY led by Guo Ting, reporting $218.3M in AUM as of Q3 2025 with 84% Healthcare concentration and 54% concentrated in top 10 holdings.

Managing PartnerGuo Ting

Portfolio Value: $101.5M
Positions: 35
Top Holding: ZLAB at 6.7%
Last Reported: Q3 2025

Address150 E 52nd St, Suite 5004, New York, NY, 10022, United States

Top Holdings

Largest long holdings in SUPERSTRING CAPITAL MANAGEMENT LP's portfolio (53.6% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 ZLAB Zai Lab Limited ZLAB	Unknown Unknown	$6.8M	6.70%	+$2.2M Bought	— 200.6K shares	Q4 2024 Held for 11 months
2 Cidara Therapeutics CDTX	Biotechnology Healthcare	$6.6M	6.46%	+$6.6M New	0.27% 68.5K shares	Q3 2025 Held for 2 months
3 Terns Pharmaceuticals TERN	Biotechnology Healthcare	$5.9M	5.84%	-$3.7M Sold	0.90% 789.6K shares	Q2 2024 Held for 1y 5m
4 89bio, Inc. ETNB	Biotechnology Healthcare	$5.7M	5.57%	+$2.5M Bought	0.26% 384.7K shares	Q4 2023 Held for 1y 11m
5 Immunovant, Inc. IMVT	Biotechnology Healthcare	$5.5M	5.42%	+$5.5M Bought	0.20% 341.3K shares	Q3 2025 Held for 2 months
6 Jazz Pharmaceuticals JAZZ	Biotechnology Healthcare	$5.4M	5.31%	-$423.6K Sold	0.07% 40.9K shares	Q2 2025 Held for 5 months
7 Cogent Biosciences, Inc. COGT	Biotechnology Healthcare	$5.2M	5.11%	-$8.6M Sold	0.26% 361.4K shares	Q4 2024 Held for 11 months
8 Savara SVRA	Biotechnology Healthcare	$4.7M	4.60%	+$692.1K Bought	0.76% 1.3M shares	Q4 2023 Held for 1y 11m
9 BridgeBio Pharma BBIO	Biotechnology Healthcare	$4.6M	4.54%	-$421.1K Sold	0.05% 88.7K shares	Q4 2023 Held for 1y 11m
10 Summit Therapeutics SMMT	Biotechnology Healthcare	$4.1M	4.01%	+$4.1M Bought	0.03% 197.3K shares	Q4 2024 Held for 11 months

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in SUPERSTRING CAPITAL MANAGEMENT LP's latest filing

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Market Value

$101.5M

Prior: $80.3M

Q/Q Change

+26.46%

+$21.2M

Net Flows % of MV

-16.24%

Turnover Ratio

51.77%

New Purchases

11 stocks

$29.5M

Added To

7 stocks

+$8.2M

Sold Out Of

16 stocks

$32.1M

Reduced Holdings

8 stocks

-$22.2M

Increased Positions

Position	Shares Δ	Change
1 Cidara Therapeutics CDTX	New	0 → 68.5K +$6.6M
2 IQVIA IQV	New	0 → 19.1K +$3.6M
3 Regeneron Pharmaceuticals REGN	New	0 → 6.4K +$3.6M
4 Bright Minds Biosciences DRUG	New	0 → 54.0K +$3.3M
5 Nektar Therapeutics NKTR	New	0 → 51.3K +$2.9M

Decreased Positions

Position	Shares Δ	Change
1 VRNA Verona Pharma VRNA	Sold	69.0K → 0 −$6.5M
2 Neurocrine Biosciences NBIX	Sold	40.6K → 0 −$5.1M
3 Ultragenyx Pharmaceutical RARE	Sold	130.4K → 0 −$4.7M
4 Ionis Pharmaceuticals IONS	Sold	98.3K → 0 −$3.9M
5 Soleno Therapeutics SLNO	Sold	33.7K → 0 −$2.8M