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Logos Global Management LP

SEC CIK
0001792126
Latest filing
Aug 14, 2026

Holdings in Q4 2023

Holdings as of Dec 31, 2023, filed Feb 14, 2024. Long positions only; changes compare share counts with Q3 2023.

Institution overview
Positions
47
−5 vs. Q3 2023
Portfolio value
$899.3M
+$198.3M (+28.3%) vs. Q3 2023
Filed
Feb 14, 2024
SEC
Holdings of Logos Global Management LP in Q4 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
CYTKCytokinetics IncCOM NEW1,625,000$135.7M15.1%+375,000+30.0%AddedHistory
IDYAIDEAYA Biosciences, Inc.COM1,800,000$64.0M7.1%−450,000−20.0%ReducedHistory
APLSApellis Pharmaceuticals, Inc.COM950,000$56.9M6.3%+200,000+26.7%AddedHistory
ARGXArgenx SESPONSORED ADR145,000$55.2M6.1%+145,000NewHistory
OLMAOlema Pharmaceuticals, Inc.COM4,383,875$54.4M6.0%+640,000+17.1%AddedHistory
IMVTImmunovant, Inc.COM1,200,000$50.6M5.6%−400,000−25.0%ReducedHistory
GPCRStructure Therapeutics Inc.SPONSORED ADS1,070,058$43.6M4.8%+570,058+114.0%AddedHistory
RCKTRocket Pharmaceuticals, Inc.COM1,275,000$38.2M4.2%−700,000−35.4%ReducedHistory
RYZBRayzeBio, Inc.COM568,173$35.3M3.9%+568,173NewHistory
AMAMAmbrx Biopharma, Inc.COM2,100,000$29.9M3.3%+1,985,000+1,726.1%AddedHistory
KRTXKaruna Therapeutics, Inc.COM90,000$28.5M3.2%−25,000−21.7%ReducedHistory
IMCRImmunocore Holdings plcADS400,000$27.3M3.0%−50,000−11.1%ReducedHistory
DYNDyne Therapeutics, Inc.COM1,880,000$25.0M2.8%−300,000−13.8%ReducedHistory
ANNXAnnexon, Inc.COM4,950,000$22.5M2.5%−350,000−6.6%ReducedHistory
AKROAkero Therapeutics, Inc.COM800,000$18.7M2.1%+200,000+33.3%AddedHistory
OCULOcular Therapeutix, IncCOM4,000,000$17.8M2.0%+4,000,000NewHistory
Morphosys AG617760202SPONSORED ADS1,475,000$14.6M1.6%+525,000+55.3%Added–
DSGNDesign Therapeutics, Inc.COM5,032,501$13.3M1.5%00.0%UnchangedHistory
VRDNViridian Therapeutics, Inc.COM600,000$13.1M1.5%−450,000−42.9%ReducedHistory
EWTXEdgewise Therapeutics, Inc.COM950,000$10.4M1.2%+950,000NewHistory
RVMDRevolution Medicines, Inc.COM350,000$10.0M1.1%+100,000+40.0%AddedHistory
SLRNACELYRIN, Inc.COM1,250,000$9.32M1.0%+1,250,000NewHistory
MLTXMoonLake ImmunotherapeuticsCLASS A ORD150,000$9.06M1.0%+150,000NewHistory
ATYRaTYR PHARMA INCCOM NEW5,850,000$8.25M0.9%+5,850,000NewHistory
FULCFulcrum Therapeutics, Inc.COM1,200,000$8.10M0.9%+1,200,000NewHistory
ALLKAllakos Inc.COM2,900,000$7.92M0.9%−1,750,000−37.6%ReducedHistory
TRMLTourmaline Bio, Inc.COM284,372$7.44M0.8%+284,372NewHistory
Avidity Biosciences, Inc.05370A108COM775,000$7.01M0.8%+775,000New–
SLNSilence Therapeutics plcADS400,000$6.95M0.8%+400,000NewHistory
XENEXenon Pharmaceuticals Inc.COM150,000$6.91M0.8%−300,000−66.7%ReducedHistory
NMRANeumora Therapeutics, Inc.COM382,345$6.52M0.7%+382,345NewHistory
RCUSArcus Biosciences, Inc.COM325,000$6.21M0.7%+325,000NewHistory
MORFMorphic Holding, Inc.COM200,000$5.78M0.6%+200,000NewHistory
APLTApplied Therapeutics, Inc.COM1,660,000$5.56M0.6%+1,660,000NewHistory
VTYXVentyx Biosciences, Inc.COM2,000,000$4.94M0.5%+1,775,000+788.9%AddedHistory
ICVXIcosavax, Inc.COM300,000$4.73M0.5%−2,465,741−89.2%ReducedHistory
RPTXRepare Therapeutics Inc.COM600,000$4.38M0.5%+300,000+100.0%AddedHistory
CMPSCOMPASS Pathways plcSPONSORED ADS500,000$4.38M0.5%−450,000−47.4%ReducedHistory
ELVNEnliven Therapeutics, Inc.COM307,076$4.25M0.5%00.0%UnchangedHistory
ATXSAstria Therapeutics, Inc.COM544,960$4.19M0.5%00.0%UnchangedHistory
INBXInhibrx Biosciences, Inc.COM100,000$3.80M0.4%+100,000NewHistory
SYRESpyre Therapeutics, Inc.COM NEW150,000$3.23M0.4%−60,000−28.6%ReducedHistory
KNSAKiniksa Pharmaceuticals International, plcCOM CL A150,000$2.63M0.3%+150,000NewHistory
DCTHDelcath Systems, Inc.COM NEW300,000$1.25M0.1%−744,444−71.3%ReducedHistory
IOBTIO Biotech, Inc.COM493,827$928.4K0.1%00.0%UnchangedHistory
IMUXImmunic, Inc.COM421,184$631.8K0.1%00.0%UnchangedHistory
Nuvation Bio Inc.67080N119*W EXP 07/07/20266,666$4.00K<0.1%00.0%Unchanged–

Options (6)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

Option positions of Logos Global Management LP in Q4 2023
SecurityClassPutsCalls
SRPTSarepta Therapeutics, Inc.COM–$67.5M
APLSApellis Pharmaceuticals, Inc.COM–$59.9M
INBXInhibrx Biosciences, Inc.COM–$19.0M
Morphosys AG617760202SPONSORED ADS–$9.90M
IOVAIovance Biotherapeutics, Inc.COM–$8.13M
ZNTLZentalis Pharmaceuticals, Inc.COM–$7.58M

Sold out since Q3 2023 (22)

Positions held at the end of Q3 2023 that are gone from this filing.

Positions of Logos Global Management LP sold out since Q3 2023
SecurityClassShares in Q3 2023Value in Q3 2023% of portfolio in Q3 2023History
SRPTSarepta Therapeutics, Inc.COM200,000$24.2M3.5%History
NBIXNeurocrine Biosciences IncStock150,000$16.9M2.4%History
CERECerevel Therapeutics Holdings, Inc.COM700,000$15.3M2.2%History
ROIVRoivant Sciences Ltd.SHS1,200,000$14.0M2.0%History
MRTXMirati Therapeutics, Inc.COM300,000$13.1M1.9%History
IMTXImmatics N.V.SHS1,050,000$12.2M1.7%History
BBIOBridgeBio Pharma, Inc.COM400,000$10.5M1.5%History
RYTMRhythm Pharmaceuticals, Inc.COM400,000$9.17M1.3%History
KALVKalVista Pharmaceuticals, Inc.COM900,000$8.67M1.2%History
CRNXCrinetics Pharmaceuticals, Inc.COM250,000$7.43M1.1%History
Gracell Biotechnologies Inc38406L103SPONSORED ADS2,525,000$7.27M1.0%–
GERNGeron CorpCOM2,750,000$5.83M0.8%History
MRUSMerus N.V.COM245,000$5.78M0.8%History
ALXOAlx Oncology Holdings IncCOM1,000,000$4.80M0.7%History
ETNB89bio, Inc.COM310,000$4.79M0.7%History
SLNOSoleno Therapeutics IncCOM125,000$3.69M0.5%History
VERVVerve Therapeutics, Inc.COM215,000$2.85M0.4%History
ZURAZura Bio LtdCLASS A ORD SHS424,000$2.80M0.4%History
VIGLVigil Neuroscience, Inc.COM188,390$1.02M0.1%History
CYPHCypherpunk Technologies Inc.COM NEW354,266$488.9K0.1%History
TYRATyra Biosciences, Inc.COM31,872$438.9K0.1%History
LIANYLianBioSPONSORED ADS280,000$417.2K0.1%History