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SUPERSTRING CAPITAL MANAGEMENT LP

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13F filer, CIK 1931118, NEW YORK, NY

SUPERSTRING CAPITAL MANAGEMENT LP reported $84,048,298 across 34 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-15. Its ten largest share positions make up 66.17% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001931118-25-000004

Period
2025-03-31
Reported value
$84M
Holdings
34
Top 10 weight
66.17%
New
14
Sold out
19

Largest buys vs the previous quarter

SecurityShares changeApprox. value
VERONA PHARMA PLCnew+96,821$6.15M
PFEnew+196,164$4.97M
TVTXnew+237,487$4.26M
LEGNadded+90,848$3.08M
SPRINGWORKS THERAPEUTICS INCnew+54,216$2.39M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
NVCRexited-286,970-$8.55M
GPCRexited-216,811-$5.88M
IDYAexited-227,102-$5.84M
ORICreduced-761,551-$4.25M
ZLABreduced-108,683-$3.93M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0001931118-25-000004, largest first. % of portfolio is the value over $83,836,798, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
ZLABZAI LAB LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 626,932 shares; 2024Q4: 403,630 shares; 2025Q1: 294,947 shares 294,947$10.7M12.71%-108,683Timeline
BBIOBRIDGEBIO PHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 226,684 shares; 2024Q4: 262,141 shares; 2025Q1: 183,922 shares 183,922$6.36M7.58%-78,219Timeline
VERONA PHARMA PLCVERONA PHARMA PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 96,821 shares 96,821$6.15M7.33%new
LEGNLEGEND BIOTECH CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 60,515 shares; 2024Q4: 69,594 shares; 2025Q1: 160,442 shares 160,442$5.44M6.49%+90,848Timeline
PFEPFIZER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 196,164 shares 196,164$4.97M5.93%newTimeline
URGNUROGEN PHARMA LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 301,206 shares; 2025Q1: 423,632 shares 423,632$4.69M5.59%+122,426Timeline
COGTCOGENT BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 910,865 shares; 2025Q1: 774,721 shares 774,721$4.64M5.54%-136,144Timeline
ORICORIC PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 949,522 shares; 2024Q4: 1,580,745 shares; 2025Q1: 819,194 shares 819,194$4.57M5.45%-761,551Timeline
TVTXTRAVERE THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 237,487 shares 237,487$4.26M5.08%newTimeline
TERNTERNS PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,348,546 shares; 2024Q4: 2,020,562 shares; 2025Q1: 1,357,153 shares 1,357,153$3.75M4.47%-663,409Timeline
CYTKCYTOKINETICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 215,798 shares; 2024Q4: 129,389 shares; 2025Q1: 72,992 shares 72,992$2.93M3.5%-56,397Timeline
SVRASAVARA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 200,000 shares; 2024Q4: 508,338 shares; 2025Q1: 966,203 shares 966,203$2.68M3.19%+457,865Timeline
SMMTSUMMIT THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 164,564 shares; 2025Q1: 132,019 shares 132,019$2.55M3.04%-32,545Timeline
SPRINGWORKS THERAPEUTICS INCSPRINGWORKS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 54,216 shares 54,216$2.39M2.85%new
CAPRCAPRICOR THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 337,347 shares; 2024Q4: 55,229 shares; 2025Q1: 241,192 shares 241,192$2.29M2.73%+185,963Timeline
VSTMVERASTEM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 209,889 shares; 2025Q1: 336,363 shares 336,363$2.03M2.42%+126,474Timeline
TARAPROTARA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 360,000 shares; 2025Q1: 360,000 shares 360,000$1.53M1.83%0Timeline
CRNXCRINETICS PHARMACEUTICALS INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 43,613 shares 43,613$1.46M1.74%newTimeline
SLNOSOLENO THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 19,332 shares 19,332$1.38M1.65%newTimeline
MDGLMADRIGAL PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 1,129 shares; 2025Q1: 3,815 shares 3,815$1.26M1.51%+2,686Timeline
MLTXMOONLAKE IMMUNOTHERAPEUTICSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 32,145 shares 32,145$1.26M1.5%newTimeline
TSHATAYSHA GENE THERAPIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 755,599 shares 755,599$1.05M1.25%newTimeline
TECXTECTONIC THERAPEUTIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 50,746 shares 50,746$899K1.07%newTimeline
ZBIOZENAS BIOPHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 111,605 shares; 2024Q4: 111,605 shares; 2025Q1: 111,605 shares 111,605$882K1.05%0Timeline
89BIO INC89BIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 595,203 shares; 2024Q4: 132,982 shares; 2025Q1: 109,156 shares 109,156$794K0.95%-23,826
RNAMAVIDITY BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 22,271 shares 22,271$657K0.78%newTimeline
CABACABALETTA BIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 131,795 shares; 2024Q4: 822,293 shares; 2025Q1: 458,972 shares 458,972$636K0.76%-363,321Timeline
PCVXVAXCYTE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 11,264 shares 11,264$425K0.51%newTimeline
KYTXKYVERNA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 182,177 shares; 2025Q1: 191,287 shares 191,287$369K0.44%+9,110Timeline
OCULOCULAR THERAPEUTIX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 42,297 shares 42,297$310K0.37%newTimeline
SDGRSCHRODINGER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 14,114 shares 14,114$279K0.33%newTimeline
IPSCCENTURY THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 462,963 shares; 2025Q1: 462,963 shares 462,963$220K0.26%0Timeline
LAKESHORE BIOPHARMA CO LTDLAKESHORE BIOPHARMA CO LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 30,792 shares; 2025Q1: 30,792 shares 30,792$74.5K0.09%0

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
CPIXCUMBERLAND PHARMACEUTICALS I COMcall50,000$212Knew

Sold out in Q1 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
NVCRNOVOCURE LTD286,970$8.55Mshares
GPCRSTRUCTURE THERAPEUTICS INC216,811$5.88Mshares
IDYAIDEAYA BIOSCIENCES INC227,102$5.84Mshares
TILINSTIL BIO INC148,017$2.83Mshares
PTGXPROTAGONIST THERAPEUTICS INC68,892$2.66Mshares
INSMINSMED INC35,966$2.48Mshares
FATEFATE THERAPEUTICS INC1,379,556$2.28Mshares
DYNDYNE THERAPEUTICS INC73,150$1.72Mshares
ORICORIC PHARMACEUTICALS INC200,000$1.61Mcall
TNGXTANGO THERAPEUTICS INC474,955$1.47Mshares
KURAKURA ONCOLOGY INC157,959$1.38Mshares
INCYINCYTE CORP18,009$1.24Mshares
ONCBEONE MEDICINES LTD6,365$1.18Mshares
RZLTREZOLUTE INC123,184$604Kshares
ZURAZURA BIO LTD186,943$467Kshares
EYPTEYEPOINT INC49,375$368Kshares
AXSMAXSOME THERAPEUTICS INC.4,268$361Kshares
LXEOLEXEO THERAPEUTICS INC52,616$346Kshares
CLYMCLIMB BIO INC98,160$177Kshares

How Q1 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001931118-25-000004 base2025-05-15acceptance time not in the bulk data set