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Superstring Capital Management LP

SEC CIK
0001931118
Latest filing
Aug 14, 2026

Holdings in Q2 2025

Holdings as of Jun 30, 2025, filed Aug 14, 2025. Long positions only; changes compare share counts with Q1 2025.

Institution overview
Positions
35
+2 vs. Q1 2025
Portfolio value
$80.3M
−$3.57M (−4.3%) vs. Q1 2025
Filed
Aug 14, 2025
SEC
Holdings of Superstring Capital Management LP in Q2 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
Lakeshore Biopharma Co LtdG9845F208ORD SHS NEW30,792$31.4K<0.1%00.0%Unchanged–
RAPTRAPT Therapeutics, Inc.COM NEW26,034$208.3K0.3%+26,034NewHistory
SYSo-Young International Inc.SPONSORED ADS72,936$226.1K0.3%+72,936NewHistory
IPSCCentury Therapeutics, Inc.COM462,963$258.7K0.3%00.0%UnchangedHistory
KYTXKyverna Therapeutics, Inc.COM142,542$437.6K0.5%−48,745−25.5%ReducedHistory
BMEABiomea Fusion, Inc.COM250,000$450.0K0.6%+250,000NewHistory
WVEWave Life Sciences, Inc.SHS70,242$456.6K0.6%+70,242NewHistory
RCKTRocket Pharmaceuticals, Inc.COM214,412$525.3K0.7%+214,412NewHistory
OCULOcular Therapeutix, IncCOM88,980$825.7K1.0%+46,683+110.4%AddedHistory
MLTXMoonLake ImmunotherapeuticsCLASS A ORD17,623$831.8K1.0%−14,522−45.2%ReducedHistory
LQDALiquidia CorpCOM NEW71,071$885.5K1.1%+71,071NewHistory
ZBIOZenas BioPharma, Inc.COM111,605$1.08M1.3%00.0%UnchangedHistory
TARAProtara Therapeutics, Inc.COM STK360,000$1.09M1.4%00.0%UnchangedHistory
URGNUroGen Pharma Ltd.COM87,912$1.20M1.5%−335,720−79.2%ReducedHistory
Avidity Biosciences, Inc.05370A108COM47,037$1.34M1.7%+24,766+111.2%Added–
UTHRUnited Therapeutics CorpCOM4,874$1.40M1.7%+4,874NewHistory
INSMINSMED IncCOM PAR $.0114,571$1.47M1.8%+14,571NewHistory
TECXTectonic Therapeutic, Inc.COM79,058$1.57M2.0%+28,312+55.8%AddedHistory
CABACabaletta Bio, Inc.COM1,060,764$1.61M2.0%+601,792+131.1%AddedHistory
BCAXBicara Therapeutics Inc.COM189,699$1.76M2.2%+189,699NewHistory
CYTKCytokinetics IncCOM NEW61,103$2.02M2.5%−11,889−16.3%ReducedHistory
ETNB89bio, Inc.COM212,377$2.09M2.6%+103,221+94.6%AddedHistory
SVRASavara IncCOM1,115,379$2.54M3.2%+149,176+15.4%AddedHistory
SLNOSoleno Therapeutics IncCOM33,691$2.82M3.5%+14,359+74.3%AddedHistory
ORICOric Pharmaceuticals, Inc.COM344,922$3.50M4.4%−474,272−57.9%ReducedHistory
IONSIonis Pharmaceuticals IncCOM98,267$3.88M4.8%+98,267NewHistory
TVTXTravere Therapeutics, Inc.COM276,474$4.09M5.1%+38,987+16.4%AddedHistory
BBIOBridgeBio Pharma, Inc.COM96,766$4.18M5.2%−87,156−47.4%ReducedHistory
JAZZJazz Pharmaceuticals plcSHS USD44,107$4.68M5.8%+44,107NewHistory
ZLABZai Lab LtdADR134,895$4.72M5.9%−160,052−54.3%ReducedHistory
RAREUltragenyx Pharmaceutical Inc.COM130,422$4.74M5.9%+130,422NewHistory
TERNTerns Pharmaceuticals, Inc.COM1,286,681$4.80M6.0%−70,472−5.2%ReducedHistory
NBIXNeurocrine Biosciences IncStock40,608$5.10M6.4%+40,608NewHistory
VRNAVerona Pharma plcSPONSORED ADS68,982$6.52M8.1%−27,839−28.8%ReducedHistory
COGTCogent Biosciences, Inc.COM962,951$6.91M8.6%+188,230+24.3%AddedHistory

Options (1)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

Option positions of Superstring Capital Management LP in Q2 2025
SecurityClassPutsCalls
SLNOSoleno Therapeutics IncCOM$4.19M–

Sold out since Q1 2025 (11)

Positions held at the end of Q1 2025 that are gone from this filing.

Positions of Superstring Capital Management LP sold out since Q1 2025
SecurityClassShares in Q1 2025Value in Q1 2025% of portfolio in Q1 2025History
LEGNLegend Biotech CorpSPONSORED ADS160,442$5.44M6.5%History
PFEPfizer IncStock196,164$4.97M5.9%History
SMMTSummit Therapeutics Inc.COM132,019$2.55M3.0%History
SWTXSpringWorks Therapeutics, Inc.COM54,216$2.39M2.9%History
CAPRCapricor Therapeutics, Inc.COM NEW241,192$2.29M2.7%History
VSTMVerastem, Inc.COM NEW336,363$2.03M2.4%History
CRNXCrinetics Pharmaceuticals, Inc.COM43,613$1.46M1.7%History
MDGLMadrigal Pharmaceuticals, Inc.COM3,815$1.26M1.5%History
TSHATaysha Gene Therapies, Inc.COM SHS755,599$1.05M1.3%History
PCVXVaxcyte, Inc.COM11,264$425.3K0.5%History
SDGRSchrodinger, Inc.COM14,114$278.6K0.3%History