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Livermore
Livermore
ZHEN

PSP Research LLC

SEC CIK
0002106939
Latest filing
Jul 9, 2026

Holdings in Q1 2026

Holdings as of Mar 31, 2026, filed Apr 17, 2026. Long positions only; changes compare share counts with Q4 2025.

Institution overview
Positions
79
−6 vs. Q4 2025
Portfolio value
$141.3M
+$26.9M (+23.5%) vs. Q4 2025
Filed
Apr 17, 2026
SEC
Holdings of PSP Research LLC in Q1 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
iShares Tr46436E7180-3 MTH TREASURY700,000$70.5M49.9%00.0%Unchanged–
State Street SPDR S&P Biotech ETF78464A870ETF284,900$36.4M25.7%+284,900New–
SERASera Prognostics, Inc.CLASS A COM2,396,685$4.87M3.4%+2,396,685NewHistory
DFTXDefinium Therapeutics, Inc.COM SHS34,800$657.7K0.5%−41−0.1%ReducedHistory
TYRATyra Biosciences, Inc.COM16,000$612.8K0.4%−5,853−26.8%ReducedHistory
ASNDAscendis Pharma A/SSPONSORED ADR2,500$571.8K0.4%−79−3.1%ReducedHistory
PHVSPharvaris N.V.COM20,000$565.0K0.4%−511−2.5%ReducedHistory
CYTKCytokinetics IncCOM NEW8,300$547.1K0.4%−13−0.2%ReducedHistory
RPRXRoyalty Pharma plcSHS CLASS A11,000$527.7K0.4%−2,826−20.4%ReducedHistory
KYMRKymera Therapeutics, Inc.COM6,300$524.7K0.4%−48−0.8%ReducedHistory
HALOHalozyme Therapeutics, Inc.COM8,026$518.7K0.4%00.0%UnchangedHistory
EXELExelixis, Inc.COM11,948$512.5K0.4%00.0%UnchangedHistory
IRONDisc Medicine, Inc.COM8,000$511.5K0.4%+8,000NewHistory
IONSIonis Pharmaceuticals IncCOM6,800$510.6K0.4%00.0%UnchangedHistory
AGIOAgios Pharmaceuticals, Inc.COM15,000$507.4K0.4%+15,000NewHistory
NBIXNeurocrine Biosciences IncStock3,848$506.9K0.4%+114+3.1%AddedHistory
INCYIncyte CorpCOM5,300$498.8K0.4%−50−0.9%ReducedHistory
TARSTarsus Pharmaceuticals, Inc.COM7,000$491.1K0.3%+481+7.4%AddedHistory
VKTXViking Therapeutics, Inc.COM15,000$488.1K0.3%+286+1.9%AddedHistory
ALNYAlnylam Pharmaceuticals, Inc.COM1,465$484.7K0.3%+147+11.2%AddedHistory
PRAXPraxis Precision Medicines, Inc.COM NEW1,500$483.3K0.3%−482−24.3%ReducedHistory
AXSMAxsome Therapeutics, Inc.COM2,845$480.9K0.3%+2,845NewHistory
NAMSNewAmsterdam Pharma Co N.V.ORDINARY SHARES15,000$480.1K0.3%+80+0.5%AddedHistory
ARDXArdelyx, Inc.COM80,000$479.2K0.3%+80,000NewHistory
IMVTImmunovant, Inc.COM19,200$476.9K0.3%−1,105−5.4%ReducedHistory
ARGXArgenx SESPONSORED ADR641$468.1K0.3%+11+1.7%AddedHistory
SNDXSyndax Pharmaceuticals IncCOM20,000$467.2K0.3%−4,716−19.1%ReducedHistory
INBXInhibrx Biosciences, Inc.COM6,927$465.7K0.3%+538+8.4%AddedHistory
ARQTArcutis Biotherapeutics, Inc.COM19,700$464.1K0.3%+984+5.3%AddedHistory
RAREUltragenyx Pharmaceutical Inc.COM22,100$463.0K0.3%+22,100NewHistory
MIRMMirum Pharmaceuticals, Inc.COM5,000$461.9K0.3%−1,854−27.0%ReducedHistory
COGTCogent Biosciences, Inc.COM12,000$461.9K0.3%−1,233−9.3%ReducedHistory
GLUEMonte Rosa Therapeutics, Inc.COM28,000$460.6K0.3%+28,000NewHistory
IMCRImmunocore Holdings plcADS15,141$456.5K0.3%+717+5.0%AddedHistory
CRSPCRISPR Therapeutics AGNAMEN AKT9,500$451.9K0.3%−80−0.8%ReducedHistory
BBIOBridgeBio Pharma, Inc.COM6,000$445.6K0.3%−1,140−16.0%ReducedHistory
NRIXNurix Therapeutics, Inc.COM28,700$444.9K0.3%−130.0%ReducedHistory
AUPHAurinia Pharmaceuticals Inc.COM30,000$444.6K0.3%−3,953−11.6%ReducedHistory
ACADAcadia Pharmaceuticals IncCOM19,766$440.0K0.3%00.0%UnchangedHistory
RAPPRapport Therapeutics, Inc.COM14,000$438.1K0.3%−3,506−20.0%ReducedHistory
IMNMImmunome Inc.COM20,000$437.4K0.3%−5,245−20.8%ReducedHistory
KNSAKiniksa Pharmaceuticals International, plcORD SHS CL A9,000$433.4K0.3%−3,655−28.9%ReducedHistory
TGTXTG Therapeutics, Inc.COM13,000$431.9K0.3%−4,807−27.0%ReducedHistory
DNTHDianthus Therapeutics, Inc.COM5,000$419.6K0.3%−7,725−60.7%ReducedHistory
CLDXCelldex Therapeutics, Inc.COM NEW13,000$412.4K0.3%−7,368−36.2%ReducedHistory
PTCTPTC Therapeutics, Inc.COM6,000$408.8K0.3%−1,046−14.8%ReducedHistory
VERAVera Therapeutics, Inc.CL A10,000$402.3K0.3%+40.0%AddedHistory
HRMYHarmony Biosciences Holdings, Inc.COM14,283$400.1K0.3%00.0%UnchangedHistory
CRNXCrinetics Pharmaceuticals, Inc.COM11,000$399.5K0.3%−316−2.8%ReducedHistory
CMPSCOMPASS Pathways plcSPONSORED ADS71,000$392.6K0.3%+71,000NewHistory
STOKStoke Therapeutics, Inc.COM12,000$390.7K0.3%−4,621−27.8%ReducedHistory
KODKodiak Sciences Inc.COM10,000$381.2K0.3%−9,418−48.5%ReducedHistory
DYNDyne Therapeutics, Inc.COM20,000$362.6K0.3%−1,535−7.1%ReducedHistory
TRVITrevi Therapeutics, Inc.COM30,000$357.9K0.3%+30,000NewHistory
NTLAIntellia Therapeutics, Inc.COM26,900$344.9K0.2%+26,900NewHistory
PTGXProtagonist Therapeutics, IncCOM3,000$316.2K0.2%−3,121−51.0%ReducedHistory
MDGLMadrigal Pharmaceuticals, Inc.COM600$314.1K0.2%−292−32.7%ReducedHistory
SUPNSupernus Pharmaceuticals, Inc.COM6,000$310.1K0.2%−4,758−44.2%ReducedHistory
TNGXTango Therapeutics, Inc.COM14,400$301.2K0.2%+14,400NewHistory
ERASErasca, Inc.COM17,327$280.4K0.2%+17,327NewHistory
ELVNEnliven Therapeutics, Inc.COM7,000$274.4K0.2%+7,000NewHistory
SYRESpyre Therapeutics, Inc.COM NEW5,159$260.2K0.2%−10,681−67.4%ReducedHistory
ZYMEZymeworks Inc.COM10,000$250.4K0.2%−10,312−50.8%ReducedHistory
XENEXenon Pharmaceuticals Inc.COM4,200$244.2K0.2%−7,478−64.0%ReducedHistory
ORKAOruka Therapeutics, Inc.COM4,968$243.7K0.2%+4,968NewHistory
CELCCelcuity Inc.COM2,000$228.3K0.2%−3,244−61.9%ReducedHistory
KALVKalVista Pharmaceuticals, Inc.COM10,795$217.3K0.2%+10,795NewHistory
LEGNLegend Biotech CorpSPONSORED ADS12,000$217.1K0.2%−12,397−50.8%ReducedHistory
ALKSAlkermes plc.SHS6,000$212.2K0.2%−13,280−68.9%ReducedHistory
APGEApogee Therapeutics, Inc.COM2,500$210.4K0.1%−4,484−64.2%ReducedHistory
UTHRUnited Therapeutics CorpCOM350$207.5K0.1%−730−67.6%ReducedHistory
EWTXEdgewise Therapeutics, Inc.COM6,500$204.8K0.1%+6,500NewHistory
SMMTSummit Therapeutics Inc.COM10,223$193.8K0.1%+10,223NewHistory
ORICOric Pharmaceuticals, Inc.COM13,000$164.7K0.1%+13,000NewHistory
CMPXCompass Therapeutics, Inc.COM30,000$158.7K0.1%+30,000NewHistory
AMLXAmylyx Pharmaceuticals, Inc.COM10,838$150.6K0.1%−33,385−75.5%ReducedHistory
OLMAOlema Pharmaceuticals, Inc.COM10,000$149.1K0.1%−9,063−47.5%ReducedHistory
EYPTEyePoint, Inc.COM NEW10,000$128.9K0.1%−19,530−66.1%ReducedHistory
OCULOcular Therapeutix, IncCOM15,000$127.0K0.1%−27,853−65.0%ReducedHistory

Sold out since Q4 2025 (26)

Positions held at the end of Q4 2025 that are gone from this filing.

Positions of PSP Research LLC sold out since Q4 2025
SecurityClassShares in Q4 2025Value in Q4 2025% of portfolio in Q4 2025History
TVTXTravere Therapeutics, Inc.COM15,272$583.5K0.5%History
JAZZJazz Pharmaceuticals plcSHS USD3,258$553.9K0.5%History
CGONCG Oncology, Inc.COM13,293$551.9K0.5%History
BLTEBelite Bio, IncSPONSORED ADS3,443$550.7K0.5%History
APLSApellis Pharmaceuticals, Inc.COM21,866$549.3K0.5%History
TERNTerns Pharmaceuticals, Inc.COM13,560$547.8K0.5%History
RVMDRevolution Medicines, Inc.COM6,872$547.4K0.5%History
CNTACentessa Pharmaceuticals plcSPONSORED ADS21,879$547.2K0.5%History
MLYSMineralys Therapeutics, Inc.COM14,818$537.7K0.5%History
ACLXArcellx, Inc.COMMON STOCK8,224$536.2K0.5%History
ROIVRoivant Sciences Ltd.SHS24,621$534.3K0.5%History
LQDALiquidia CorpCOM NEW15,485$534.1K0.5%History
PVLAPalvella Therapeutics, Inc.COM5,084$532.1K0.5%History
INSMINSMED IncCOM PAR $.013,049$530.6K0.5%History
NUVLNuvalent, Inc.COM5,261$529.2K0.5%History
VRDNViridian Therapeutics, Inc.COM16,967$528.0K0.5%History
WVEWave Life Sciences, Inc.SHS31,040$527.7K0.5%History
MAZEMaze Therapeutics, Inc.COM12,672$525.0K0.5%History
DNLIDenali Therapeutics Inc.COM31,762$524.4K0.5%History
BMRNBiomarin Pharmaceutical IncCOM8,772$521.3K0.5%History
BEAMBeam Therapeutics Inc.COM18,334$508.2K0.4%History
RYTMRhythm Pharmaceuticals, Inc.COM4,738$507.2K0.4%History
UPBUpstream Bio, Inc.COM17,634$478.8K0.4%History
GPCRStructure Therapeutics Inc.SPONSORED ADS6,719$467.3K0.4%History
ARWRArrowhead Pharmaceuticals, Inc.COM6,689$444.1K0.4%History
ALMSAlumis Inc.COM43,769$427.2K0.4%History