PSP Research LLC

13F filer · CIK 0002106939

Reported Jul 9, 2026

Net seller this quarter

13F portfolio value$188MU.S. long equity reported on 13F

Positions7310 new · 14 closed

Net flow last quarter-$13.8MBuys minus sells

Top 10 positions weight3.1%Concentration

Holdings

13F · last 4 quarters free

Scroll for earlier quarters

Company	Value	% of portfolio	% of company	POSITION CHANGE qoq %	First reported
Q2 2026Reported Jul 9, 202673 positions
RPRXRoyalty Pharma plc	$617K	0.33%	0.00%	Not reported	Q4 2025
NRIXNurix Therapeutics, Inc.	$607K	0.32%	0.02%	-12.9%	Q4 2025
INCYIncyte Corp	$601K	0.32%	0.00%	Not reported	Q4 2025
ARGXArgenx SE	$595K	0.32%	0.00%	Not reported	Q4 2025
IRONDisc Medicine, Inc.	$585K	0.31%	0.02%	Not reported	Q1 2026
RAPPRapport Therapeutics, Inc.	$583K	0.31%	0.03%	Not reported	Q4 2025
RAREUltragenyx Pharmaceutical Inc.	$568K	0.30%	0.02%	-23.1%	Q1 2026
TRVITrevi Therapeutics, Inc.	$560K	0.30%	0.02%	Not reported	Q1 2026
GLUEMonte Rosa Therapeutics, Inc.	$557K	0.30%	0.03%	-17.9%	Q1 2026
TGTXTG Therapeutics, Inc.	$549K	0.29%	0.01%	-23.1%	Q4 2025
HALOHalozyme Therapeutics, Inc.	$548K	0.29%	0.01%	-12.8%	Q4 2025
IONSIonis Pharmaceuticals Inc	$539K	0.29%	0.00%	Not reported	Q4 2025
PHVSPharvaris N.V.	$519K	0.28%	0.02%	-25.0%	Q4 2025
ARQTArcutis Biotherapeutics, Inc.	$517K	0.27%	0.02%	Not reported	Q4 2025
AUPHAurinia Pharmaceuticals Inc.	$509K	0.27%	0.02%	Not reported	Q4 2025
NBIXNeurocrine Biosciences Inc	$506K	0.27%	0.00%	-22.0%	Q4 2025
IMVTImmunovant, Inc.	$501K	0.27%	0.01%	-32.3%	Q4 2025
ACADAcadia Pharmaceuticals Inc	$500K	0.27%	0.01%	Not reported	Q4 2025
PTCTPTC Therapeutics, Inc.	$489K	0.26%	0.01%	Not reported	Q4 2025
CLDXCelldex Therapeutics, Inc.	$484K	0.26%	0.02%	Not reported	Q4 2025
IMCRImmunocore Holdings plc	$481K	0.26%	0.03%	Not reported	Q4 2025
DFTXDefinium Therapeutics, Inc.	$470K	0.25%	0.01%	-71.3%	Q1 2026
COGTCogent Biosciences, Inc.	$464K	0.25%	0.01%	Not reported	Q4 2025
KYMRKymera Therapeutics, Inc.	$459K	0.24%	0.00%	-36.5%	Q4 2025
DYNDyne Therapeutics, Inc.	$444K	0.24%	0.01%	Not reported	Q4 2025
ALNYAlnylam Pharmaceuticals, Inc.	$441K	0.23%	0.00%	Not reported	Q4 2025
TARSTarsus Pharmaceuticals, Inc.	$441K	0.23%	0.02%	Not reported	Q4 2025
SNDXSyndax Pharmaceuticals Inc	$437K	0.23%	0.02%	Not reported	Q4 2025
EXELExelixis, Inc.	$435K	0.23%	0.00%	-33.0%	Q4 2025
CRNXCrinetics Pharmaceuticals, Inc.	$412K	0.22%	0.01%	Not reported	Q4 2025
NAMSNewAmsterdam Pharma Co N.V.	$407K	0.22%	0.01%	-20.0%	Q4 2025
ASNDAscendis Pharma A/S	$400K	0.21%	0.00%	-40.0%	Q4 2025
LQDALiquidia Corp	$399K	0.21%	0.01%	Not reported	Q4 2025
STOKStoke Therapeutics, Inc.	$393K	0.21%	0.02%	Not reported	Q4 2025
VKTXViking Therapeutics, Inc.	$390K	0.21%	0.01%	-33.3%	Q4 2025
IMNMImmunome Inc.	$381K	0.20%	0.02%	-10.0%	Q4 2025
PTGXProtagonist Therapeutics, Inc	$368K	0.20%	0.00%	Not reported	Q4 2025
HRMYHarmony Biosciences Holdings, Inc.	$364K	0.19%	0.02%	-30.0%	Q4 2025
ELVNEnliven Therapeutics, Inc.	$355K	0.19%	0.01%	Not reported	Q1 2026
SYRESpyre Therapeutics, Inc.	$355K	0.19%	0.00%	-22.5%	Q4 2025
NTLAIntellia Therapeutics, Inc.	$338K	0.18%	0.01%	-25.7%	Q1 2026
MDGLMadrigal Pharmaceuticals, Inc.	$322K	0.17%	0.00%	Not reported	Q4 2025
KNSAKiniksa Pharmaceuticals International, plc	$320K	0.17%	Not reported	-44.4%	Q4 2025
ALKSAlkermes plc.	$314K	0.17%	0.00%	Not reported	Q4 2025
TNGXTango Therapeutics, Inc.	$313K	0.17%	0.01%	-30.6%	Q1 2026
ARDXArdelyx, Inc.	$306K	0.16%	0.02%	-25.0%	Q1 2026
VERAVera Therapeutics, Inc.	$300K	0.16%	0.01%	-30.0%	Q4 2025
MIRMMirum Pharmaceuticals, Inc.	$293K	0.16%	0.00%	-50.0%	Q4 2025
ORKAOruka Therapeutics, Inc.	$286K	0.15%	0.00%	-39.6%	Q1 2026
SUPNSupernus Pharmaceuticals, Inc.	$279K	0.15%	0.01%	Not reported	Q4 2025

Q1 2026Reported Apr 17, 202677 positions
SERASera Prognostics, Inc.	$4.87M	3.44%	8.18%	New	Q1 2026
DFTXDefinium Therapeutics, Inc.	$658K	0.47%	0.03%	New	Q1 2026
TYRATyra Biosciences, Inc.	$613K	0.43%	0.03%	-26.8%	Q4 2025
ASNDAscendis Pharma A/S	$572K	0.40%	0.00%	-3.1%	Q4 2025
PHVSPharvaris N.V.	$565K	0.40%	0.03%	-2.5%	Q4 2025
CYTKCytokinetics Inc	$547K	0.39%	0.01%	-0.2%	Q4 2025
RPRXRoyalty Pharma plc	$528K	0.37%	0.00%	-20.4%	Q4 2025
KYMRKymera Therapeutics, Inc.	$525K	0.37%	0.01%	-0.8%	Q4 2025
HALOHalozyme Therapeutics, Inc.	$519K	0.37%	0.01%	Not reported	Q4 2025
EXELExelixis, Inc.	$512K	0.36%	0.00%	Not reported	Q4 2025
IRONDisc Medicine, Inc.	$512K	0.36%	0.02%	New	Q1 2026
IONSIonis Pharmaceuticals Inc	$511K	0.36%	0.00%	Not reported	Q4 2025
AGIOAgios Pharmaceuticals, Inc.	$507K	0.36%	0.03%	New	Q1 2026
NBIXNeurocrine Biosciences Inc	$507K	0.36%	0.00%	+3.1%	Q4 2025
INCYIncyte Corp	$499K	0.35%	0.00%	-0.9%	Q4 2025
TARSTarsus Pharmaceuticals, Inc.	$491K	0.35%	0.02%	+7.4%	Q4 2025
VKTXViking Therapeutics, Inc.	$488K	0.35%	0.01%	+1.9%	Q4 2025
ALNYAlnylam Pharmaceuticals, Inc.	$485K	0.34%	0.00%	+11.2%	Q4 2025
PRAXPraxis Precision Medicines, Inc.	$483K	0.34%	0.01%	-24.3%	Q4 2025
AXSMAxsome Therapeutics, Inc.	$481K	0.34%	0.01%	New	Q1 2026
NAMSNewAmsterdam Pharma Co N.V.	$480K	0.34%	0.01%	+0.5%	Q4 2025
ARDXArdelyx, Inc.	$479K	0.34%	0.03%	New	Q1 2026
IMVTImmunovant, Inc.	$477K	0.34%	0.01%	-5.4%	Q4 2025
ARGXArgenx SE	$468K	0.33%	0.00%	+1.8%	Q4 2025
SNDXSyndax Pharmaceuticals Inc	$467K	0.33%	0.02%	-19.1%	Q4 2025
INBXInhibrx Biosciences, Inc.	$466K	0.33%	0.05%	+8.4%	Q4 2025
ARQTArcutis Biotherapeutics, Inc.	$464K	0.33%	0.02%	+5.3%	Q4 2025
RAREUltragenyx Pharmaceutical Inc.	$463K	0.33%	0.02%	New	Q1 2026
MIRMMirum Pharmaceuticals, Inc.	$462K	0.33%	0.01%	-27.1%	Q4 2025
COGTCogent Biosciences, Inc.	$462K	0.33%	0.01%	-9.3%	Q4 2025
GLUEMonte Rosa Therapeutics, Inc.	$461K	0.33%	0.03%	New	Q1 2026
IMCRImmunocore Holdings plc	$457K	0.32%	0.03%	+5.0%	Q4 2025
CRSPCRISPR Therapeutics AG	$452K	0.32%	0.01%	-0.8%	Q4 2025
BBIOBridgeBio Pharma, Inc.	$446K	0.32%	0.00%	-16.0%	Q4 2025
NRIXNurix Therapeutics, Inc.	$445K	0.31%	0.03%	-0.1%	Q4 2025
AUPHAurinia Pharmaceuticals Inc.	$445K	0.31%	0.02%	-11.6%	Q4 2025
ACADAcadia Pharmaceuticals Inc	$440K	0.31%	0.01%	Not reported	Q4 2025
RAPPRapport Therapeutics, Inc.	$438K	0.31%	0.03%	-20.0%	Q4 2025
IMNMImmunome Inc.	$437K	0.31%	0.02%	-20.8%	Q4 2025
KNSAKiniksa Pharmaceuticals International, plc	$433K	0.31%	Not reported	-28.9%	Q4 2025
TGTXTG Therapeutics, Inc.	$432K	0.31%	0.01%	-27.0%	Q4 2025
DNTHDianthus Therapeutics, Inc.	$420K	0.30%	0.01%	-60.7%	Q4 2025
CLDXCelldex Therapeutics, Inc.	$412K	0.29%	0.02%	-36.2%	Q4 2025
PTCTPTC Therapeutics, Inc.	$409K	0.29%	0.01%	-14.9%	Q4 2025
VERAVera Therapeutics, Inc.	$402K	0.28%	0.02%	0.0%	Q4 2025
HRMYHarmony Biosciences Holdings, Inc.	$400K	0.28%	0.02%	Not reported	Q4 2025
CRNXCrinetics Pharmaceuticals, Inc.	$400K	0.28%	0.01%	-2.8%	Q4 2025
CMPSCOMPASS Pathways plc	$393K	0.28%	0.05%	New	Q1 2026
STOKStoke Therapeutics, Inc.	$391K	0.28%	0.02%	-27.8%	Q4 2025
KODKodiak Sciences Inc.	$381K	0.27%	0.02%	-48.5%	Q4 2025

Q4 2025Reported Feb 6, 202684 positions
PRAXPraxis Precision Medicines, Inc.	$584K	0.51%	0.01%	New	Q4 2025
TVTXTravere Therapeutics, Inc.	$584K	0.51%	0.02%	New	Q4 2025
TYRATyra Biosciences, Inc.	$575K	0.50%	0.04%	New	Q4 2025
PHVSPharvaris N.V.	$569K	0.50%	0.03%	New	Q4 2025
JAZZJazz Pharmaceuticals plc	$554K	0.48%	0.01%	New	Q4 2025
CLDXCelldex Therapeutics, Inc.	$553K	0.48%	0.03%	New	Q4 2025
CGONCG Oncology, Inc.	$552K	0.48%	0.02%	New	Q4 2025
BLTEBelite Bio, Inc	$551K	0.48%	0.01%	New	Q4 2025
ASNDAscendis Pharma A/S	$550K	0.48%	0.00%	New	Q4 2025
APLSApellis Pharmaceuticals, Inc.	$549K	0.48%	0.02%	New	Q4 2025
TERNTerns Pharmaceuticals, Inc.	$548K	0.48%	0.01%	New	Q4 2025
RVMDRevolution Medicines, Inc.	$547K	0.48%	0.00%	New	Q4 2025
CNTACentessa Pharmaceuticals PLC	$547K	0.48%	0.01%	New	Q4 2025
BBIOBridgeBio Pharma, Inc.	$546K	0.48%	0.00%	New	Q4 2025
NRIXNurix Therapeutics, Inc.	$545K	0.48%	0.03%	New	Q4 2025
ARQTArcutis Biotherapeutics, Inc.	$544K	0.48%	0.02%	New	Q4 2025
KODKodiak Sciences Inc.	$543K	0.47%	0.03%	New	Q4 2025
IMNMImmunome Inc.	$542K	0.47%	0.02%	New	Q4 2025
AUPHAurinia Pharmaceuticals Inc.	$542K	0.47%	0.03%	New	Q4 2025
MIRMMirum Pharmaceuticals, Inc.	$541K	0.47%	0.01%	New	Q4 2025
HALOHalozyme Therapeutics, Inc.	$540K	0.47%	0.01%	New	Q4 2025
EYPTEyePoint, Inc.	$540K	0.47%	0.04%	New	Q4 2025
ALKSAlkermes plc.	$539K	0.47%	0.01%	New	Q4 2025
IONSIonis Pharmaceuticals Inc	$538K	0.47%	0.00%	New	Q4 2025
MLYSMineralys Therapeutics, Inc.	$538K	0.47%	0.02%	New	Q4 2025
ACLXArcellx, Inc.	$536K	0.47%	0.01%	New	Q4 2025
PTCTPTC Therapeutics, Inc.	$535K	0.47%	0.01%	New	Q4 2025
ZYMEZymeworks Inc.	$535K	0.47%	0.03%	New	Q4 2025
SUPNSupernus Pharmaceuticals, Inc.	$535K	0.47%	0.02%	New	Q4 2025
PTGXProtagonist Therapeutics, Inc	$535K	0.47%	0.01%	New	Q4 2025
HRMYHarmony Biosciences Holdings, Inc.	$534K	0.47%	0.02%	New	Q4 2025
ROIVRoivant Sciences Ltd.	$534K	0.47%	0.00%	New	Q4 2025
RPRXRoyalty Pharma plc	$534K	0.47%	0.00%	New	Q4 2025
AMLXAmylyx Pharmaceuticals, Inc.	$534K	0.47%	0.04%	New	Q4 2025
LQDALiquidia Corp	$534K	0.47%	0.02%	New	Q4 2025
TARSTarsus Pharmaceuticals, Inc.	$534K	0.47%	0.02%	New	Q4 2025
PVLAPalvella Therapeutics, Inc.	$532K	0.47%	0.04%	New	Q4 2025
RAPPRapport Therapeutics, Inc.	$531K	0.46%	0.04%	New	Q4 2025
TGTXTG Therapeutics, Inc.	$531K	0.46%	0.01%	New	Q4 2025
INSMINSMED Inc	$531K	0.46%	0.00%	New	Q4 2025
LEGNLegend Biotech Corp	$530K	0.46%	0.01%	New	Q4 2025
ARGXArgenx SE	$530K	0.46%	0.00%	New	Q4 2025
NBIXNeurocrine Biosciences Inc	$530K	0.46%	0.00%	New	Q4 2025
NUVLNuvalent, Inc.	$529K	0.46%	0.17%	New	Q4 2025
INCYIncyte Corp	$528K	0.46%	0.00%	New	Q4 2025
CYTKCytokinetics Inc	$528K	0.46%	0.01%	New	Q4 2025
VRDNViridian Therapeutics, Inc.\DE	$528K	0.46%	0.02%	New	Q4 2025
ACADAcadia Pharmaceuticals Inc	$528K	0.46%	0.01%	New	Q4 2025
WVEWave Life Sciences, Inc.	$528K	0.46%	0.02%	New	Q4 2025
STOKStoke Therapeutics, Inc.	$528K	0.46%	0.03%	New	Q4 2025

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