13F

Investor

PSP Research LLC

CIK 0002106939 · filed 2026-04-17 · SEC filing

13F book

$141.3M

Positions

79

21 new · 27 sold

Largest name

49.9%

Ishares 0-3 Month

Est. mark

−$44.2K

Price effect on 58 names still held. Flow $27M.
NameTickerSharesValueWeightEst. markChange
Ishares 0-3 Month700K$70.5M49.9%$196KHeld
Spdr Series Trust284.9K$36.4M25.7%New
Sera Prognostics, Inc.SERA2.4M$4.87M3.4%New
Definium TherapeDFTX34.8K$657.7K0.5%New
Tyra Biosciences, Inc.TYRA16K$612.8K0.4%$192.2KCut$38.3K
Ascendis Pharma A/SASND2.5K$571.8K0.4%$38.7KCut$21.9K
Pharvaris N.V.PHVS20K$565K0.4%$10KCut−$4.18K
Cytokinetics IncCYTK8.3K$547.1K0.4%$19.7KCut$18.8K
Royalty Pharma PLCRPRX11K$527.7K0.4%$102.6KCut−$6.57K
Kymera Therapeutics, Inc.KYMR6.3K$524.7K0.4%$34.5KCut$30.8K
Halozyme Therapeutics, Inc.HALO8.03K$518.7K0.4%−$21.4KHeld
Exelixis, Inc.EXEL11.9K$512.5K0.4%−$11.2KHeld
Disc Medicine, Inc.IRON8K$511.5K0.4%New
Ionis Pharmaceuticals IncIONS6.8K$510.6K0.4%−$27.3KHeld
Agios Pharmaceuticals, Inc.AGIO15K$507.4K0.4%New
Neurocrine Biosciences IncNBIX3.85K$506.9K0.4%−$37.7KAdded−$22.7K
Incyte CorpINCY5.3K$498.8K0.4%−$24.6KCut−$29.6K
Tarsus Pharmaceuticals, Inc.TARS7K$491.1K0.3%−$76.5KAdded−$42.7K
Viking Therapeutics, Inc.VKTX15K$488.1K0.3%−$38.8KAdded−$29.5K
Alnylam Pharmaceuticals, Inc.ALNY1.47K$484.7K0.3%−$88KAdded−$39.4K
Praxis Precision Medicines I1.5K$483.3K0.3%$41.2KCut−$100.9K
Axsome Therapeutics, Inc.AXSM2.85K$480.9K0.3%New
Newamsterdam Pharma Company15K$480.1K0.3%−$45.8KAdded−$43.2K
Ardelyx, Inc.ARDX80K$479.2K0.3%New
Immunovant, Inc.IMVT19.2K$476.9K0.3%−$11.1KCut−$39.2K
Argenx SEARGX641$468.1K0.3%−$69.7KAdded−$61.7K
Syndax Pharmaceuticals IncSNDX20K$467.2K0.3%$47KCut−$52.1K
Inhibrx Biosciences, Inc.INBX6.93K$465.7K0.3%−$75.2KAdded−$39K
Arcutis Biotherapeutics, Inc.ARQT19.7K$464.1K0.3%−$102.6KAdded−$79.4K
Ultragenyx Pharmaceutical In22.1K$463K0.3%New
Mirum Pharmaceuticals, Inc.MIRM5K$461.9K0.3%$67KCut−$79.5K
Cogent Biosciences, Inc.COGT12K$461.9K0.3%$35.6KCut−$8.16K
Monte Rosa Therapeutics, Inc.GLUE28K$460.6K0.3%New
Immunocore Hldgs Plc15.1K$456.5K0.3%−$65.8KAdded−$44.2K
Crispr Therapeutics AgCRSP9.5K$451.9K0.3%−$46.3KCut−$50.5K
BridgeBio Pharma, Inc.BBIO6K$445.6K0.3%−$13.4KCut−$100.6K
Nurix Therapeutics, Inc.NRIX28.7K$444.9K0.3%−$99.6KCut−$99.8K
Aurinia Pharmaceuticals Inc.AUPH30K$444.6K0.3%−$33.9KCut−$97K
Acadia Pharmaceuticals IncACAD19.8K$440K0.3%−$88KHeld
Rapport Therapeutics, Inc.RAPP14K$438.1K0.3%$13.3KCut−$93.1K
Immunome Inc.IMNM20K$437.4K0.3%$7.8KCut−$104.9K
Kiniksa Pharmaceuticals Intl9K$433.4K0.3%$62.1KCut−$88.7K
Tg Therapeutics, Inc.TGTX13K$431.9K0.3%$44.3KCut−$99K
Dianthus Therapeutics Inc5K$419.6K0.3%$213.6KCut−$104.8K
Celldex Therapeutics Inc New13K$412.4K0.3%$59.3KCut−$140.8K
Ptc Therapeutics, Inc.PTCT6K$408.8K0.3%−$47KCut−$126.4K
Vera Therapeutics, Inc.VERA10K$402.3K0.3%−$104.1KAdded−$103.9K
Harmony Biosciences Hldgs In14.3K$400.1K0.3%−$134.4KHeld
Crinetics Pharmaceuticals In11K$399.5K0.3%−$112.5KCut−$127.2K
Compass Pathways PlcCMPS71K$392.6K0.3%New
Stoke Therapeutics, Inc.STOK12K$390.7K0.3%$9.84KCut−$136.8K
Kodiak Sciences Inc.KOD10K$381.2K0.3%$101.6KCut−$161.7K
Dyne Therapeutics, Inc.DYN20K$362.6K0.3%−$28.6KCut−$58.6K
Trevi Therapeutics, Inc.TRVI30K$357.9K0.3%New
Intellia Therapeutics, Inc.NTLA26.9K$344.9K0.2%New
Protagonist Therapeutics, IncPTGX3K$316.2K0.2%$54.2KCut−$218.4K
Madrigal Pharmaceuticals, Inc.MDGL600$314.1K0.2%−$35.3KCut−$205.4K
Supernus Pharmaceuticals, Inc.SUPN6K$310.1K0.2%$11.9KCut−$224.5K
Tango Therapeutics, Inc.TNGX14.4K$301.2K0.2%New
Erasca, Inc.ERAS17.3K$280.4K0.2%New
Enliven Therapeutics, Inc.ELVN7K$274.4K0.2%New
Spyre Therapeutics, Inc.SYRE5.16K$260.2K0.2%$91.2KCut−$258.7K
Zymeworks Inc.ZYME10K$250.4K0.2%−$12.9KCut−$284.4K
Xenon Pharmaceuticals Inc.XENE4.2K$244.2K0.2%$56KCut−$279.2K
Oruka Therapeutics, Inc.ORKA4.97K$243.7K0.2%New
Celcuity Inc.CELC2K$228.3K0.2%$28.8KCut−$294.8K
Kalvista Pharmaceuticals Inc10.8K$217.3K0.2%New
Legend Biotech CorpLEGN12K$217.1K0.2%−$43.8KCut−$313.3K
Alkermes plc.ALKS6K$212.2K0.1%$44.3KCut−$327.3K
Apogee Therapeutics, Inc.APGE2.5K$210.4K0.1%$21.7KCut−$316.7K
United Therapeutics Corp Del350$207.5K0.1%$37KCut−$318.7K
Edgewise Therapeutics, Inc.EWTX6.5K$204.8K0.1%New
Summit Therapeutics Inc.SMMT10.2K$193.8K0.1%New
Oric Pharmaceuticals, Inc.ORIC13K$164.7K0.1%New
Compass Therapeutics, Inc.CMPX30K$158.7K0.1%New
Amylyx Pharmaceuticals, Inc.AMLX10.8K$150.6K0.1%$19.7KCut−$383.6K
Olema Pharmaceuticals, Inc.OLMA10K$149.1K0.1%−$100.9KCut−$327.5K
EyePoint, Inc.EYPT10K$128.9K0.1%−$53.8KCut−$410.6K
Ocular Therapeutix, IncOCUL15K$127K0.1%−$55KCut−$393.2K

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.