Logos Global Management LP

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), Logos Global Management LP reported 49 stock positions worth $950.2 million. Its top holding was Ideaya Biosciences (IDYA) at 6.9% of the portfolio, followed by Immunocore Holdings PLC-ADR (IMCR, 6.2%) and Immunovant (IMVT, 6.0%). Compared with Q4 2023, it opened 23 new positions, sold out of 20, added to 9 and reduced 10. The biggest buy was a new position in Sarepta Therapeutics (SRPT) and the biggest sale Cytokinetics (CYTK, shares −94%).

Most Recent 13F
Q2 2026
Location
San Francisco, CA
CIK
0001792126
Portfolio Value
$950.2M (Q1 2024)
SEC Filing
0001172661-24-002503 ↗ filed May 15, 2024

Holdings Value

0$500.0M$1.0B$1.5B$2.0B$2.5B Q1 2024: $950.2M $950.2M Q1 2024 Q2 2024: $867.8M Q2 2024 Q3 2024: $892.7M Q3 2024 Q4 2024: $854.6M Q4 2024 Q1 2025: $562.5M Q1 2025 Q2 2025: $748.6M Q2 2025 Q3 2025: $1.0B Q3 2025 Q4 2025: $1.5B Q4 2025 Q1 2026: $1.9B Q1 2026 Q2 2026: $2.3B Q2 2026

Holdings 49 stocks · $950.2M

IDYA Ideaya Biosciences Inc. 6.93% 1,500,000 $65.8M Reduce -16.7%
IMCR Immunocore Holdings PLC-ADR 6.16% 900,000 $58.5M Add +125.0%
IMVT Immunovant Inc. 6.04% 1,775,000 $57.4M Add +47.9%
OCUL Ocular Therapeutix Inc. 5.47% 5,811,436 $52.0M Add +45.3%
SRPT Sarepta Therapeutics Inc. 5.45% 400,000 $51.8M New
OLMA Olema Pharmaceuticals Inc. 5.22% 4,383,875 $49.6M No change
DYN Dyne Therapeutics Inc. 5.17% 1,730,000 $49.1M Reduce -8.0%
APLS Apellis Pharmaceuticals Inc. 4.95% 800,000 $47.0M Reduce -15.8%
RCKT Rocket Pharmaceuticals Inc. 3.69% 1,300,000 $35.0M Add +2.0%
SLN Silence Therapeutics PLC-ADR 3.27% 1,476,061 $31.1M Add +269.0%
GPCR Structure Therapeutics Inc. 3.25% 720,058 $30.9M Reduce -32.7%
GERN Geron Corp. 3.13% 9,000,000 $29.7M New
CLDX Celldex Therapeutics Inc. 2.87% 650,000 $27.3M New
ELVN Enliven Therapeutics Inc. 2.78% 1,574,220 $26.4M Add +412.6%
VERA Vera Therapeutics Inc. 2.61% 575,000 $24.8M New
ANNX Annexon Inc. 2.30% 3,050,000 $21.9M Reduce -38.4%
ADVM Adverum Biotechnologies Inc. 2.23% 1,499,999 $21.2M New
DSGN Design Therapeutics Inc. 2.13% 5,032,501 $20.3M No change
AKRO Akero Therapeutics Inc. 2.13% 800,000 $20.2M No change
ATXS Astria Therapeutics Inc. 1.84% 1,244,960 $17.5M Add +128.4%
CYBIN INC 1.74% 40,000,000 $16.5M New
XNCR Xencor Inc. 1.51% 650,000 $14.4M New
CGON CG Oncology Inc. 1.39% 300,000 $13.2M New
ENGN Engene Holdings Inc. 1.36% 800,000 $12.9M New
KYTX Kyverna Therapeutics Inc. 1.31% 500,000 $12.4M New
VRDN Viridian Therapeutics Inc. 1.29% 700,000 $12.3M Add +16.7%
CGEM Cullinan Therapeutics Inc. 1.26% 700,000 $11.9M New
IMTX Immatics NV 1.11% 1,000,000 $10.5M New
SYRE Spyre Therapeutics Inc. 1.00% 250,000 $9.5M Add +66.7%
LCTX Lineage Cell Therapeutics Inc. 0.97% 6,250,000 $9.3M New
PRAX Praxis Precision Medicines I 0.96% 150,000 $9.2M New
APLT Applied Therapeutics Inc. 0.94% 1,350,000 $9.0M Reduce -18.7%
SNDX Syndax Pharmaceuticals Inc. 0.88% 350,000 $8.3M New
TRVI Trevi Therapeutics Inc. 0.80% 2,200,000 $7.6M New
CYTK Cytokinetics Inc. 0.74% 100,000 $7.0M Reduce -93.8%
KURA Kura Oncology Inc. 0.67% 300,000 $6.4M New
NMRA Neumora Therapeutics Inc. 0.65% 382,345 $6.2M No change
ATYR Atyr Pharma Inc. 0.64% 3,100,000 $6.0M Reduce -47.0%
JANX Janux Therapeutics Inc. 0.59% 150,000 $5.6M New
ELEV Elevation Oncology Inc. 0.54% 1,000,000 $5.1M New
NXTC Nextcure Inc. 0.45% 1,925,000 $4.3M New
ALLK Allakos LLC 0.38% 2,900,000 $3.7M No change
UNICYCIVE THERAPEUTICS INC 0.32% 3,469,927 $3.0M New
BOLD Boundless Bio Inc. 0.30% 200,000 $2.9M New
TRML Tourmaline Bio Inc. 0.24% 99,208 $2.3M Reduce -65.1%
CMPS Compass Pathways PLC 0.19% 257,980 $1.8M Reduce -48.4%
IOBTQ Io Biotech Inc. 0.09% 493,827 $854K No change
IMUX Immunic Inc. 0.06% 421,184 $556K No change
CYPH Cypherpunk Technologies Inc. filed as LEAP THERAPEUTICS INC 0.01% 39,500 $105K New

Options reported separately and not counted above: SRPT calls ($155.4M), ALNY calls ($74.7M), GPCR calls ($19.3M), ATXS calls ($14.1M), FULC calls ($9.4M), ANNX calls ($7.2M), LRMR calls ($5.3M).

Other holdings (1): bonds, preferreds, convertibles and warrants · $23K (not counted above)
SecurityClassShares / PrincipalValueChange
NUVB.WS Nuvation Bio Inc. -CW27 *W EXP 02/10/202 66,666$23KNo change

Total filed on the 13F, all lines: $950.2M.

Portfolio Sells Q4 2023 → Q1 2024

CYTK Cytokinetics Inc. Reduce -93.8% 0.74% −14.35
ARGX Argenx SE - ADR Sold out 0.00% −6.13
RYZB Rayzebio Inc. Sold out 0.00% −3.93
AMAM New Ambrx Biopharma Inc. Sold out 0.00% −3.33
KRTX Karuna Therapeutics Inc. Sold out 0.00% −3.17
MOR Morphosys AG ADR Sold out 0.00% −1.62
GPCR Structure Therapeutics Inc. Reduce -32.7% 3.25% −1.60
APLS Apellis Pharmaceuticals Inc. Reduce -15.8% 4.95% −1.37
EWTX Edgewise Therapeutics Inc. Sold out 0.00% −1.16
RVMD Revolution Medicines Inc. Sold out 0.00% −1.12
SLRN Acelyrin Inc. Sold out 0.00% −1.04
MLTX Moonlake Immunotherapeutics Sold out 0.00% −1.01
FULC Fulcrum Therapeutics Inc. Sold out 0.00% −0.90
RNAM Avidity Biosciences Inc. Sold out 0.00% −0.78
XENE Xenon Pharmaceuticals Inc. Sold out 0.00% −0.77
RCUS Arcus Biosciences Inc. Sold out 0.00% −0.69
MORF Morphic Holding Inc. Sold out 0.00% −0.64
TRML Tourmaline Bio Inc. Reduce -65.1% 0.24% −0.59
VTYX Ventyx Biosciences Inc. Sold out 0.00% −0.55
ICVX Icosavax Inc. Sold out 0.00% −0.53
RPTX Repare Therapeutics Inc. Sold out 0.00% −0.49
INHIBRX INC Sold out 0.00% −0.42
CMPS Compass Pathways PLC Reduce -48.4% 0.19% −0.30
KNSA Kiniksa Pharmaceuticals Ltd. Sold out 0.00% −0.29
ATYR Atyr Pharma Inc. Reduce -47.0% 0.64% −0.28
ANNX Annexon Inc. Reduce -38.4% 2.30% −0.20
IDYA Ideaya Biosciences Inc. Reduce -16.7% 6.93% −0.19
DCTH Delcath Systems Inc. Sold out 0.00% −0.14
APLT Applied Therapeutics Inc. Reduce -18.7% 0.94% +0.33
DYN Dyne Therapeutics Inc. Reduce -8.0% 5.17% +2.39

Portfolio Buys Q4 2023 → Q1 2024

SRPT Sarepta Therapeutics Inc. New 5.45% +5.45
OCUL Ocular Therapeutix Inc. Add +45.3% 5.47% +3.49
GERN Geron Corp. New 3.13% +3.13
IMCR Immunocore Holdings PLC-ADR Add +125.0% 6.16% +3.12
CLDX Celldex Therapeutics Inc. New 2.87% +2.87
VERA Vera Therapeutics Inc. New 2.61% +2.61
SLN Silence Therapeutics PLC-ADR Add +269.0% 3.27% +2.50
ELVN Enliven Therapeutics Inc. Add +412.6% 2.78% +2.31
ADVM Adverum Biotechnologies Inc. New 2.23% +2.23
CYBIN INC New 1.74% +1.74
XNCR Xencor Inc. New 1.51% +1.51
CGON CG Oncology Inc. New 1.39% +1.39
ATXS Astria Therapeutics Inc. Add +128.4% 1.84% +1.38
ENGN Engene Holdings Inc. New 1.36% +1.36
KYTX Kyverna Therapeutics Inc. New 1.31% +1.31
CGEM Cullinan Therapeutics Inc. New 1.26% +1.26
IMTX Immatics NV New 1.11% +1.11
LCTX Lineage Cell Therapeutics Inc. New 0.97% +0.97
PRAX Praxis Precision Medicines I New 0.96% +0.96
SNDX Syndax Pharmaceuticals Inc. New 0.88% +0.88
TRVI Trevi Therapeutics Inc. New 0.80% +0.80
KURA Kura Oncology Inc. New 0.67% +0.67
SYRE Spyre Therapeutics Inc. Add +66.7% 1.00% +0.64
JANX Janux Therapeutics Inc. New 0.59% +0.59
ELEV Elevation Oncology Inc. New 0.54% +0.54
NXTC Nextcure Inc. New 0.45% +0.45
IMVT Immunovant Inc. Add +47.9% 6.04% +0.41
UNICYCIVE THERAPEUTICS INC New 0.32% +0.32
BOLD Boundless Bio Inc. New 0.30% +0.30
CYPH Cypherpunk Technologies Inc. New 0.01% +0.01
VRDN Viridian Therapeutics Inc. Add +16.7% 1.29% −0.16
RCKT Rocket Pharmaceuticals Inc. Add +2.0% 3.69% −0.56

Options Activity Q4 2023 → Q1 2024

SRPT Sarepta Therapeutics Inc. call Add +71.4% 1,200,000 $155.4M
ALNY Alnylam Pharmaceuticals Inc. call New 500,000 $74.7M
APLS Apellis Pharmaceuticals Inc. call Sold out 1,000,000 $59.9Mbefore exit
GPCR Structure Therapeutics Inc. call New 450,000 $19.3M
INHIBRX INC call Sold out 500,000 $19.0Mbefore exit
ATXS Astria Therapeutics Inc. call New 1,000,000 $14.1M
MOR Morphosys AG ADR call Sold out 1,000,000 $9.9Mbefore exit
FULC Fulcrum Therapeutics Inc. call New 1,000,000 $9.4M
IOVA Iovance Biotherapeutics Inc. call Sold out 1,000,000 $8.1Mbefore exit
ZNTL Zentalis Pharmaceuticals Inc. call Sold out 500,000 $7.6Mbefore exit
ANNX Annexon Inc. call New 1,000,000 $7.2M
LRMR Larimar Therapeutics Inc. call New 700,000 $5.3M

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 68$2.3BERAS, ABVX, RVMD, IDYA, BNTX
Q1 2026 63$1.9BRVMD, ERAS, IDYA, PRAX, CNTA
Q4 2025 63$1.5BRVMD, PRAX, IDYA, OLMA, CDTX
Q3 2025 52$1.0BRVMD, IDYA, AKRO, ARVN, OCUL
Q2 2025 44$748.6MIDYA, AKRO, RVMD, JAZZ, IRON
Q1 2025 38$562.5MIDYA, RVMD, AKRO, JANX, NUVL
Q4 2024 46$854.6MIDYA, JANX, RVMD, CYTK, VERA
Q3 2024 53$892.7MIDYA, GPCR, RVMD, IRON, JANX
Q2 2024Amended 50$867.8MIDYA, ARGX, MRUS, RVMD, GPCR
Q1 2024 49$950.2MIDYA, IMCR, IMVT, OCUL, SRPT