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SUPERSTRING CAPITAL MANAGEMENT LP

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13F filer, CIK 1931118, NEW YORK, NY

SUPERSTRING CAPITAL MANAGEMENT LP reported $139,969,967 across 35 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-14. Its ten largest share positions make up 57.92% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001931118-26-000008

Period
2026-03-31
Reported value
$140M
Holdings
35
Top 10 weight
57.92%
New
15
Sold out
25

Largest buys vs the previous quarter

SecurityShares changeApprox. value
SMMTnew+892,873$16.9M
DFTXnew+351,461$6.64M
VIRnew+730,548$6.55M
PCVXnew+110,454$6.42M
VRTXnew+11,010$4.92M

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
CDTXexited-85,098-$18.8M
TERNexited-443,777-$17.9M
DVAXexited-525,592-$8.08M
URGNreduced-330,983-$5.95M
MIND MEDICINE MINDMED INCexited-425,202-$5.69M

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 2026

Share positions as resolved from 13F-HR 0001931118-26-000008, largest first. % of portfolio is the value over $139,969,967, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
SMMTSUMMIT THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 164,564 shares; 2025Q1: 132,019 shares; 2025Q2: not reported; 2025Q3: 197,253 shares; 2025Q4: not reported; 2026Q1: 892,873 shares 892,873$16.9M12.09%newTimeline
IMVTIMMUNOVANT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 12,447 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 341,348 shares; 2025Q4: 288,677 shares; 2026Q1: 357,606 shares 357,606$8.88M6.35%+68,929Timeline
COGTCOGENT BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 910,865 shares; 2025Q1: 774,721 shares; 2025Q2: 962,951 shares; 2025Q3: 361,408 shares; 2025Q4: 366,238 shares; 2026Q1: 225,158 shares 225,158$8.67M6.19%-141,080Timeline
SVRASAVARA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 200,000 shares; 2024Q4: 508,338 shares; 2025Q1: 966,203 shares; 2025Q2: 1,115,379 shares; 2025Q3: 1,309,236 shares; 2025Q4: 995,353 shares; 2026Q1: 1,585,977 shares 1,585,977$8.66M6.19%+590,624Timeline
URGNUROGEN PHARMA LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 301,206 shares; 2025Q1: 423,632 shares; 2025Q2: 87,912 shares; 2025Q3: 87,912 shares; 2025Q4: 718,354 shares; 2026Q1: 387,371 shares 387,371$6.96M4.98%-330,983Timeline
DFTXDEFINIUM THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 351,461 shares 351,461$6.64M4.75%newTimeline
VIRVIR BIOTECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 150,312 shares; 2025Q4: not reported; 2026Q1: 730,548 shares 730,548$6.55M4.68%newTimeline
PCVXVAXCYTE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 11,264 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 110,454 shares 110,454$6.42M4.59%newTimeline
CLDXCELLDEX THERAPEUTICS INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 88,308 shares; 2026Q1: 180,048 shares 180,048$5.71M4.08%+91,740Timeline
SIONSIONNA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 180,593 shares; 2026Q1: 141,024 shares 141,024$5.65M4.04%-39,569Timeline
GMABGENMAB A/SQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 29,162 shares; 2026Q1: 196,709 shares 196,709$5.28M3.77%+167,547Timeline
ZLABZAI LAB LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 626,932 shares; 2024Q4: 403,630 shares; 2025Q1: 294,947 shares; 2025Q2: 134,895 shares; 2025Q3: 200,628 shares; 2025Q4: 196,853 shares; 2026Q1: 275,818 shares 275,818$5.19M3.71%+78,965Timeline
VRTXVERTEX PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 11,010 shares 11,010$4.92M3.51%newTimeline
IQVIQVIA HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 19,114 shares; 2025Q4: not reported; 2026Q1: 25,668 shares 25,668$4.38M3.13%newTimeline
MPLTMAPLIGHT THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 192,139 shares 192,139$3.91M2.79%newTimeline
ARVNARVINAS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 312,620 shares 312,620$3.31M2.37%newTimeline
ORKAORUKA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 63,591 shares 63,591$3.12M2.23%newTimeline
UTHRUNITED THERAPEUTICS CORP DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 4,874 shares; 2025Q3: not reported; 2025Q4: 9,451 shares; 2026Q1: 5,186 shares 5,186$3.08M2.2%-4,265Timeline
TVTXTRAVERE THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 237,487 shares; 2025Q2: 276,474 shares; 2025Q3: 53,627 shares; 2025Q4: 38,022 shares; 2026Q1: 102,754 shares 102,754$3.05M2.18%+64,732Timeline
TRVITREVI THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 148,292 shares; 2026Q1: 251,566 shares 251,566$3M2.14%+103,274Timeline
ANLADLAI NORTYE GROUP LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 414,852 shares 414,852$2.87M2.05%newTimeline
CABACABALETTA BIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 131,795 shares; 2024Q4: 822,293 shares; 2025Q1: 458,972 shares; 2025Q2: 1,060,764 shares; 2025Q3: 1,544,525 shares; 2025Q4: 2,253,550 shares; 2026Q1: 1,066,239 shares 1,066,239$2.87M2.05%-1,187,311Timeline
PFEPFIZER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 196,164 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 74,000 shares 74,000$2.08M1.48%newTimeline
AXSMAXSOME THERAPEUTICS INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 4,268 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 37,433 shares; 2026Q1: 11,217 shares 11,217$1.9M1.35%-26,216Timeline
ORICORIC PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 949,522 shares; 2024Q4: 1,580,745 shares; 2025Q1: 819,194 shares; 2025Q2: 344,922 shares; 2025Q3: 89,346 shares; 2025Q4: 255,370 shares; 2026Q1: 115,234 shares 115,234$1.46M1.04%-140,136Timeline
ACRSACLARIS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 366,490 shares 366,490$1.37M0.98%newTimeline
CLYMCLIMB BIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 33,824 shares; 2024Q4: 98,160 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 199,209 shares 199,209$1.36M0.97%newTimeline
TSHATAYSHA GENE THERAPIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 755,599 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 980,768 shares; 2026Q1: 258,269 shares 258,269$1.15M0.82%-722,499Timeline
DRUGBRIGHT MINDS BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 53,950 shares; 2025Q4: 47,278 shares; 2026Q1: 13,311 shares 13,311$971K0.69%-33,967Timeline
TNXPTONIX PHARMACEUTICALS HLDG CQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 63,540 shares 63,540$874K0.62%newTimeline
CGEMCULLINAN THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 20,840 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 59,484 shares 59,484$845K0.6%newTimeline
TARAPROTARA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 360,000 shares; 2025Q1: 360,000 shares; 2025Q2: 360,000 shares; 2025Q3: 360,000 shares; 2025Q4: 360,000 shares; 2026Q1: 121,457 shares 121,457$633K0.45%-238,543Timeline
PTNPALATIN TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 33,971 shares; 2026Q1: 35,969 shares 35,969$627K0.45%+1,998Timeline
BMEABIOMEA FUSION INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 83,554 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 250,000 shares; 2025Q3: 250,000 shares; 2025Q4: 250,000 shares; 2026Q1: 250,000 shares 250,000$382K0.27%0Timeline
IPSCCENTURY THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 462,963 shares; 2025Q1: 462,963 shares; 2025Q2: 462,963 shares; 2025Q3: 462,963 shares; 2025Q4: 462,963 shares; 2026Q1: 119,308 shares 119,308$270K0.19%-343,655Timeline

Sold out in Q1 2026

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

SecurityShares beforeValue beforeType
CDTXCIDARA THERAPEUTICS INC85,098$18.8Mshares
TERNTERNS PHARMACEUTICALS INC443,777$17.9Mshares
DVAXDYNAVAX TECHNOLOGIES CORP525,592$8.08Mshares
MIND MEDICINE MINDMED INCMIND MEDICINE MINDMED INC425,202$5.69Mshares
OCULOCULAR THERAPEUTIX INC418,080$5.08Mshares
FOLDAMICUS THERAPEUTIC352,896$5.03Mshares
RVMDREVOLUTION MEDICINES INC54,879$4.37Mshares
BLTEBELITE BIO INC24,703$3.95Mshares
ZBIOZENAS BIOPHARMA INC83,353$3.03Mshares
QNCXQUINCE THERAPEUTICS INC858,711$2.88Mshares
AVTXAVALO THERAPEUTICS INC153,313$2.78Mshares
CAPRCAPRICOR THERAPEUTICS INC96,334$2.78Mshares
PVLAPALVELLA THERAPEUTICS INC NE25,469$2.67Mshares
ASMBASSEMBLY BIOSCIENCES INC65,273$2.22Mshares
TYRATYRA BIOSCIENCES INC58,677$1.54Mshares
VRDNVIRIDIAN THERAPEUTICS INC43,230$1.35Mshares
RZLTREZOLUTE INC513,765$1.21Mshares
DNTHDIANTHUS THERAPEUTICS INC26,249$1.08Mshares
SPRBSPRUCE BIOSCIENCES INC12,137$1.06Mshares
AARDAARDVARK THERAPEUTICS INC69,496$912Kshares
PALIPALISADE BIO INC367,103$863Kshares
FULCFULCRUM THERAPEUTICS INC72,060$815Kshares
RAREULTRAGENYX PHARMACEUTICAL IN31,738$730Kshares
IVAINVENTIVA SA100,000$465Kshares
ENTXENTERA BIO LTD17,142$33.3Kshares

How Q1 2026 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 0001931118-26-000008 base2026-05-14acceptance time not in the bulk data set