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Ghost Tree Capital, LLC

SEC CIK
0001595851
Latest filing
Nov 14, 2024

Holdings in Q3 2023

Holdings as of Sep 30, 2023, filed Nov 14, 2023. Long positions only; changes compare share counts with Q2 2023.

Institution overview
Positions
58
+3 vs. Q2 2023
Portfolio value
$206.5M
−$70.6M (−25.5%) vs. Q2 2023
Filed
Nov 14, 2023
SEC
Holdings of Ghost Tree Capital, LLC in Q3 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
MLTXMoonLake ImmunotherapeuticsCLASS A ORD330,000$18.8M9.1%00.0%UnchangedHistory
KRYSKrystal Biotech, Inc.COM80,000$9.28M4.5%+60,000+300.0%AddedHistory
MDGLMadrigal Pharmaceuticals, Inc.COM57,500$8.40M4.1%+2,500+4.5%AddedHistory
TGTXTG Therapeutics, Inc.COM1,000,000$8.36M4.0%+175,000+21.2%AddedHistory
ASNDAscendis Pharma A/SSPONSORED ADR85,000$7.96M3.9%−15,000−15.0%ReducedHistory
AXSMAxsome Therapeutics, Inc.COM110,000$7.69M3.7%00.0%UnchangedHistory
ALPNAlpine Immune Sciences, Inc.COM664,132$7.60M3.7%+316,700+91.2%AddedHistory
PCVXVaxcyte, Inc.COM140,000$7.14M3.5%−140,000−50.0%ReducedHistory
TARSTarsus Pharmaceuticals, Inc.COM400,000$7.11M3.4%+250,000+166.7%AddedHistory
PTGXProtagonist Therapeutics, IncCOM400,000$6.67M3.2%+175,000+77.8%AddedHistory
COGTCogent Biosciences, Inc.COM650,000$6.34M3.1%+75,000+13.0%AddedHistory
AMAMAmbrx Biopharma Cayman, Inc.SPONSORED ADS525,000$6.04M2.9%+286,775+120.4%AddedHistory
AKROAkero Therapeutics, Inc.COM115,000$5.82M2.8%−245,000−68.1%ReducedHistory
IMVTImmunovant, Inc.COM130,000$4.99M2.4%+130,000NewHistory
SRPTSarepta Therapeutics, Inc.COM40,000$4.85M2.3%−45,000−52.9%ReducedHistory
PMVPPMV Pharmaceuticals, Inc.COM705,881$4.33M2.1%+424,900+151.2%AddedHistory
VRDNViridian Therapeutics, Inc.COM275,000$4.22M2.0%+35,000+14.6%AddedHistory
TSHATaysha Gene Therapies, Inc.COM SHS1,325,000$4.19M2.0%+1,325,000NewHistory
DCPHDeciphera Pharmaceuticals, Inc.COM325,000$4.13M2.0%+325,000NewHistory
PHATPhathom Pharmaceuticals, Inc.COM395,000$4.10M2.0%+240,750+156.1%AddedHistory
RVNCRevance Therapeutics, Inc.COM350,000$4.01M1.9%−175,000−33.3%ReducedHistory
AMLXAmylyx Pharmaceuticals, Inc.COM215,000$3.94M1.9%−335,000−60.9%ReducedHistory
XENEXenon Pharmaceuticals Inc.COM98,951$3.38M1.6%−86,049−46.5%ReducedHistory
CRNXCrinetics Pharmaceuticals, Inc.COM101,443$3.02M1.5%+101,443NewHistory
SNDXSyndax Pharmaceuticals IncCOM200,000$2.90M1.4%−150,000−42.9%ReducedHistory
IMGNImmunoGen, Inc.COM175,000$2.78M1.3%+75,000+75.0%AddedHistory
GPCRStructure Therapeutics Inc.SPONSORED ADS55,000$2.77M1.3%+55,000NewHistory
JBIOJade Biosciences, Inc.COM201,197$2.73M1.3%00.0%UnchangedHistory
Morphosys AG617760202SPONSORED ADS400,000$2.69M1.3%+400,000New–
CYTKCytokinetics IncCOM NEW90,000$2.65M1.3%+90,000NewHistory
MRTXMirati Therapeutics, Inc.COM60,000$2.61M1.3%−140,000−70.0%ReducedHistory
EYPTEyePoint, Inc.COM NEW325,000$2.60M1.3%+325,000NewHistory
VKTXViking Therapeutics, Inc.COM225,000$2.49M1.2%−425,000−65.4%ReducedHistory
ATXSAstria Therapeutics, Inc.COM300,000$2.24M1.1%−173−0.1%ReducedHistory
FOLDAmicus Therapeutics, Inc.COM175,000$2.13M1.0%−25,000−12.5%ReducedHistory
KRTXKaruna Therapeutics, Inc.COM12,500$2.11M1.0%00.0%UnchangedHistory
SLRNACELYRIN, Inc.COM200,000$2.03M1.0%+200,000NewHistory
ZNTLZentalis Pharmaceuticals, Inc.COM100,000$2.01M1.0%00.0%UnchangedHistory
BBIOBridgeBio Pharma, Inc.COM75,000$1.98M1.0%+33,000+78.6%AddedHistory
ACADAcadia Pharmaceuticals IncCOM80,000$1.67M0.8%+80,000NewHistory
LEGNLegend Biotech CorpSPONSORED ADS22,500$1.51M0.7%+22,500NewHistory
QUREuniQure N.V.SHS215,000$1.44M0.7%00.0%UnchangedHistory
RCUSArcus Biosciences, Inc.COM75,000$1.35M0.7%00.0%UnchangedHistory
TVTXTravere Therapeutics, Inc.COM150,000$1.34M0.6%+150,000NewHistory
ARGXArgenx SESPONSORED ADR2,500$1.23M0.6%+2,500NewHistory
VTYXVentyx Biosciences, Inc.COM35,000$1.22M0.6%+35,000NewHistory
WHWKWhitehawk Therapeutics, Inc.COM250,000$1.21M0.6%00.0%UnchangedHistory
KALVKalVista Pharmaceuticals, Inc.COM100,000$963.0K0.5%+100,000NewHistory
BMEABiomea Fusion, Inc.COM65,000$894.4K0.4%−125,000−65.8%ReducedHistory
ROIVRoivant Sciences Ltd.SHS64,000$747.5K0.4%00.0%UnchangedHistory
VRNAVerona Pharma plcSPONSORED ADS45,000$733.5K0.4%−65,000−59.1%ReducedHistory
INBXInhibrx Biosciences, Inc.COM35,000$642.3K0.3%00.0%UnchangedHistory
FUSNFusion Pharmaceuticals Inc.COM243,287$632.5K0.3%−169,412−41.0%ReducedHistory
ABOSAcumen Pharmaceuticals, Inc.COM150,000$622.5K0.3%+150,000NewHistory
ETNB89bio, Inc.COM30,000$463.2K0.2%+30,000NewHistory
Avidity Biosciences, Inc.05370A108COM65,000$414.7K0.2%00.0%Unchanged–
Rain Oncology Inc.75082Q105COM325,000$280.1K0.1%00.0%Unchanged–
MRSNMersana Therapeutics, Inc.COM61,250$77.8K<0.1%00.0%UnchangedHistory

Options (11)

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

Option positions of Ghost Tree Capital, LLC in Q3 2023
SecurityClassPutsCalls
State Street SPDR S&P Biotech ETF78464A870ETF–$21.9M
SRPTSarepta Therapeutics, Inc.COM–$18.2M
MLTXMoonLake ImmunotherapeuticsCLASS A ORD$14.3M–
AKROAkero Therapeutics, Inc.COM–$12.6M
APLSApellis Pharmaceuticals, Inc.COM–$7.04M
RCKTRocket Pharmaceuticals, Inc.COM–$6.04M
SNDXSyndax Pharmaceuticals IncCOM$4.36M–
REPLReplimune Group, Inc.COM–$4.28M
CBAYCymaBay Therapeutics, Inc.COM–$3.55M
IMVTImmunovant, Inc.COM$3.26M–
SLRNACELYRIN, Inc.COM$2.03M–

Sold out since Q2 2023 (14)

Positions held at the end of Q2 2023 that are gone from this filing.

Positions of Ghost Tree Capital, LLC sold out since Q2 2023
SecurityClassShares in Q2 2023Value in Q2 2023% of portfolio in Q2 2023History
APLSApellis Pharmaceuticals, Inc.COM180,000$16.4M5.9%History
RETAReata Pharmaceuticals IncCL A85,000$8.67M3.1%History
INCYIncyte CorpCOM65,000$4.05M1.5%History
ONCBeOne Medicines Ltd.ADR22,500$4.01M1.4%History
VIRVir Biotechnology, Inc.COM150,000$3.68M1.3%History
RCKTRocket Pharmaceuticals, Inc.COM75,000$1.49M0.5%History
BCRXBiocryst Pharmaceuticals IncCOM200,000$1.41M0.5%History
MORFMorphic Holding, Inc.COM20,000$1.15M0.4%History
SWTXSpringWorks Therapeutics, Inc.COM27,578$723.1K0.3%History
IOVAIovance Biotherapeutics, Inc.COM100,000$704.0K0.3%History
PTCTPTC Therapeutics, Inc.COM16,675$678.2K0.2%History
REPLReplimune Group, Inc.COM10,865$252.3K0.1%History
VNDAVanda Pharmaceuticals Inc.COM31,000$204.3K0.1%History
KYNBKyntra Bio, Inc.COM36,500$98.5K<0.1%History