Ikarian Capital LLC's Q4 2024 13F: 43 new positions, 17 exits

Form 13F-HR for the quarter ended Dec 31, 2024 · filed Feb 14, 2025 · 122 reported positions · accession 0001420506-25-000610

What changed this quarter

Ikarian Capital LLC's changes in reported equity positions, Q4 2024
Activity Security Weight before Weight now Change Shares Shares %
Reduced TARSUS PHARMACEUTICALS INC (TARS) 10.5% 9.6% −0.9 pts −423K sh −41%
New SCHOLAR ROCK HLDG CORP (SRRK) — 4.4% +4.4 pts +357K sh new
New FORTE BIOSCIENCES INC (FBRX) — 4.0% +4.0 pts +609K sh new
Exited SOLENO THERAPEUTICS INC (SLNO) 3.5% — −3.5 pts −221K sh −100%
New TG THERAPEUTICS INC (TGTX) — 2.5% +2.5 pts +291K sh new
Increased BLUEPRINT MEDICINES CORP (BPMC) 2.4% 4.2% +1.8 pts +84,374 sh +99%
New VIR BIOTECHNOLOGY INC (VIR) — 1.9% +1.9 pts +898K sh new
Reduced TECTONIC THERAPEUTIC INC (TECX) 2.5% 1.9% −0.6 pts −125K sh −47%
New BRIGHT MINDS BIOSCIENCES INC (DRUG) — 1.6% +1.6 pts +152K sh new
Reduced ARCUS BIOSCIENCES INC (RCUS) 3.5% 1.6% −1.9 pts −366K sh −49%
Exited CAPRICOR THERAPEUTICS INC (CAPR) 1.4% — −1.4 pts −300K sh −100%
Exited WAVE LIFE SCIENCES LTD (WVE) 1.4% — −1.4 pts −544K sh −100%
Exited AMGEN INC (AMGN) 1.3% — −1.3 pts −13,300 sh −100%
New ELEDON PHARMACEUTICALS INC (ELDN) — 1.3% +1.3 pts +1.13M sh new
Increased STRUCTURE THERAPEUTICS INC (GPCR) 1.6% 2.2% +0.6 pts +169K sh +147%
Increased CRINETICS PHARMACEUTICALS IN (CRNX) 6.8% 7.5% +0.8 pts +89,518 sh +21%
New ALPHA COGNITION INC (ACOG) — 1.3% +1.3 pts +756K sh new
Reduced NURIX THERAPEUTICS INC (NRIX) 1.8% 0.2% −1.6 pts −225K sh −87%
New JANUX THERAPEUTICS INC (JANX) — 1.1% +1.1 pts +74,691 sh new
New VERONA PHARMA PLC (VRNA) — 1.1% +1.1 pts +80,000 sh new
Exited SILENCE THERAPEUTICS PLC (SLN) 1.0% — −1.0 pts −587K sh −100%
New ARCTURUS THERAPEUTICS HLDGS (ARCT) — 1.0% +1.0 pts +200K sh new
Exited CERVOMED INC (CRVO) 0.9% — −0.9 pts −202K sh −100%
Reduced CORBUS PHARMACEUTICALS HLDGS (CRBP) 1.8% 0.2% −1.7 pts −233K sh −82%
New PROTAGONIST THERAPEUTICS INC (PTGX) — 0.8% +0.8 pts +70,000 sh new
Exited ALNYLAM PHARMACEUTICALS INC (ALNY) 0.7% — −0.7 pts −8,741 sh −100%
New ALIGOS THERAPEUTICS INC (ALGS) — 0.7% +0.7 pts +64,300 sh new
Reduced SAREPTA THERAPEUTICS INC (SRPT) 2.1% 1.2% −0.9 pts −20,089 sh −37%
New ZEVRA THERAPEUTICS INC (ZVRA) — 0.7% +0.7 pts +293K sh new
Reduced INSMED INC (INSM) 3.5% 2.4% −1.1 pts −35,035 sh −23%
Reduced ENLIVEN THERAPEUTICS INC (ELVN) 4.0% 2.5% −1.4 pts −105K sh −21%
New ONKURE THERAPEUTICS INC (OKUR) — 0.6% +0.6 pts +254K sh new
Increased VENTYX BIOSCIENCES INC (VTYX) 0.1% 0.7% +0.6 pts +900K sh +467%
New CARDIFF ONCOLOGY INC (CRDF) — 0.6% +0.6 pts +450K sh new
Reduced BRIDGEBIO PHARMA INC (BBIO) 2.3% 1.7% −0.6 pts −69,900 sh −24%
New SANGAMO THERAPEUTICS INC (SGMOQ) — 0.5% +0.5 pts +1.86M sh new
Exited RENEO PHARMACEUTICALS INC (RPHM) 0.5% — −0.5 pts −1.03M sh −100%
Increased MINERALYS THERAPEUTICS INC (MLYS) 0.7% 1.2% +0.5 pts +152K sh +85%
New ALECTOR INC (ALEC) — 0.5% +0.5 pts +950K sh new
Exited BEIGENE LTD (ONC) 0.5% — −0.5 pts −88,167 sh −100%
Reduced XENON PHARMACEUTICALS INC (XENE) 1.3% 0.7% −0.6 pts −45,135 sh −42%
Reduced SAGIMET BIOSCIENCES INC (SGMT) 0.3% 0.0% −0.3 pts −376K sh −97%
Increased LEXEO THERAPEUTICS INC (LXEO) 0.7% 0.9% +0.2 pts +242K sh +94%
Reduced LENZ THERAPEUTICS INC (LENZ) 1.5% 1.2% −0.3 pts −55,011 sh −27%
New ALTO NEUROSCIENCE INC (ANRO) — 0.4% +0.4 pts +350K sh new
New CIDARA THERAPEUTICS INC (CDTX) — 0.4% +0.4 pts +53,940 sh new
Reduced CATALYST PHARMACEUTICALS INC (CPRX) 2.6% 2.1% −0.5 pts −68,201 sh −16%
New SPRINGWORKS THERAPEUTICS INC (SWTX) — 0.4% +0.4 pts +37,519 sh new
Exited MARINUS PHARMACEUTICALS INC (MRNS) 0.4% — −0.4 pts −706K sh −100%
New TREVI THERAPEUTICS INC (TRVI) — 0.4% +0.4 pts +325K sh new

The 50 largest of 137 changes, by size of the trade. Full holdings for this quarter.

Reported by the fund in its Form 13F filed with the SEC; holdings are as of the quarter-end report date and may have changed since. For informational purposes only — not investment advice or a recommendation to buy or sell any security. FilingExplorer is not affiliated with or endorsed by this fund. How this brief is compiled

† Security identifier (CUSIP) changed — read as one continuing position, not an exit and a new position:

  • KEZAR LIFE SCIENCES INC (KZR): 49372L100 → 49372L209, 1.07M → 107K shares (share count change consistent with a stock split)

Top 10 positions — 41.9% of the equity book

Changes in the top 10 this quarter: SRRK entered · BPMC entered · FBRX entered · TGTX entered · GPCR entered · RCUS left · SLNO left · RARE left · AVTX left · CYTK left

# Security Weight before Weight now
1 TARSUS PHARMACEUTICALS INC (TARS) 10.5% 9.6%
2 CRINETICS PHARMACEUTICALS IN (CRNX) 6.8% 7.5%
3 SCHOLAR ROCK HLDG CORP (SRRK) 0.0% 4.4% Entered the top 10
4 BLUEPRINT MEDICINES CORP (BPMC) 2.4% 4.2% Entered the top 10
5 FORTE BIOSCIENCES INC (FBRX) 0.0% 4.0% Entered the top 10
6 VIRIDIAN THERAPEUTICS INC (VRDN) 3.5% 2.6%
7 ENLIVEN THERAPEUTICS INC (ELVN) 4.0% 2.5%
8 TG THERAPEUTICS INC (TGTX) 0.0% 2.5% Entered the top 10
9 INSMED INC (INSM) 3.5% 2.4%
10 STRUCTURE THERAPEUTICS INC (GPCR) 1.6% 2.2% Entered the top 10
— ARCUS BIOSCIENCES INC (RCUS) 3.5% 1.6% Left the top 10
— SOLENO THERAPEUTICS INC (SLNO) 3.5% 0.0% Left the top 10
— ULTRAGENYX PHARMACEUTICAL IN (RARE) 3.1% 2.2% Left the top 10
— AVALO THERAPEUTICS INC (AVTX) 2.9% 2.1% Left the top 10
— CYTOKINETICS INC (CYTK) 2.8% 2.0% Left the top 10

Weights are each position's reported value as a share of the fund's reported equity positions (options and principal-amount holdings excluded).

Option positions (puts and calls)

Reported separately from the positions above. The value a 13F reports for an option is that of the underlying shares, not the option itself.

Activity Security Type Shares before Shares now Reported value
New SPDR SER TR (XBI) Call 0 700K $63M
Exited VERTEX PHARMACEUTICALS INC (VRTX) Call 100K 0 $0
Exited VERTEX PHARMACEUTICALS INC (VRTX) Put 100K 0 $0
New TYSON FOODS INC (TSN) Put 0 630K $36.2M
Reduced AMGEN INC (AMGN) Call 146K 74,000 $19.3M
New BRIDGEBIO PHARMA INC (BBIO) Call 0 700K $19.2M
Increased SPDR SER TR (XBI) Put 500K 750K $67.5M
Exited JANUX THERAPEUTICS INC (JANX) Put 365K 0 $0
Exited BIOHAVEN LTD (BHVN) Put 326K 0 $0
New PILGRIMS PRIDE CORP (PPC) Put 0 300K $13.6M
New AVIDITY BIOSCIENCES INC (RNA) Put 0 400K $11.6M
Exited CELLDEX THERAPEUTICS INC NEW (CLDX) Call 306K 0 $0
New INSMED INC (INSM) Call 0 150K $10.4M
New SAREPTA THERAPEUTICS INC (SRPT) Call 0 81,000 $9.85M
Reduced ANAPTYSBIO INC (ANAB) Put 404K 311K $4.11M
New AXSOME THERAPEUTICS INC (AXSM) Call 0 100K $8.46M
Reduced ANAPTYSBIO INC (ANAB) Call 350K 250K $3.31M
New CAL MAINE FOODS INC (CALM) Put 0 75,000 $7.72M
New GINKGO BIOWORKS HOLDINGS INC (DNA) Call 0 770K $7.56M
Reduced IMMUNOVANT INC (IMVT) Call 500K 300K $7.43M
Exited APELLIS PHARMACEUTICALS INC (APLS) Put 200K 0 $0
Exited SOLENO THERAPEUTICS INC (SLNO) Call 110K 0 $0
New VIR BIOTECHNOLOGY INC (VIR) Call 0 720K $5.29M
Reduced CELLDEX THERAPEUTICS INC NEW (CLDX) Put 306K 206K $5.19M
Exited ALTO NEUROSCIENCE INC (ANRO) Put 450K 0 $0