Logos Global Management LP

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Logos Global Management LP reported 63 stock positions worth $1.9 billion. Its top holding was Revolution Medicines (RVMD) at 10.0% of the portfolio, followed by Erasca (ERAS, 9.3%) and Ideaya Biosciences (IDYA, 5.9%). Compared with Q4 2025, it opened 12 new positions, sold out of 12, added to 23 and reduced 21. The biggest buy was Centessa Pharmaceuticals (CNTA, shares +963%) and the biggest sale an exit from Cidara Therapeutics (CDTX).

Most Recent 13F
Q2 2026
Location
San Francisco, CA
CIK
0001792126
Portfolio Value
$1.9B (Q1 2026)
SEC Filing
0001172661-26-002196 ↗ filed May 15, 2026

Holdings Value

0$500.0M$1.0B$1.5B$2.0B$2.5B Q1 2024: $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 $1.9B Q1 2026 Q2 2026: $2.3B Q2 2026

Holdings 63 stocks · $1.9B

RVMD Revolution Medicines Inc. 10.02% 2,000,000 $194.5M No change
ERAS Erasca Inc. 9.29% 11,150,000 $180.4M Reduce -14.2%
IDYA Ideaya Biosciences Inc. 5.92% 3,450,000 $115.0M Add +10.4%
PRAX Praxis Precision Medicines I 4.73% 285,000 $91.8M Reduce -24.0%
CNTA Centessa Pharmaceuticals Ltd. 4.35% 2,125,000 $84.4M Add +962.5%
TERN Terns Pharmaceuticals Inc. 4.07% 1,500,000 $79.1M Add +100.0%
ABVX Abivax SA-ADR 3.87% 675,000 $75.2M Add +68.8%
TNGX Tango Therapeutics Inc. 3.23% 3,000,000 $62.8M Reduce -28.6%
CYTK Cytokinetics Inc. 2.97% 875,000 $57.7M Add +191.7%
OLMA Olema Pharmaceuticals Inc. 2.46% 3,208,875 $47.8M No change
UTHR United Therapeutics Corp. 2.44% 80,000 $47.4M New
IMCR Immunocore Holdings PLC-ADR 2.33% 1,500,000 $45.2M Add +76.5%
MDGL Madrigal Pharmaceuticals Inc. 2.29% 85,000 $44.5M New
RYTM Rhythm Pharmaceuticals Inc. 2.02% 450,000 $39.1M Add +136.8%
CGON CG Oncology Inc. 2.00% 575,000 $38.9M Add +187.5%
MAZE Maze Therapeutics Inc. 1.90% 1,235,000 $36.9M Add +30.0%
BIIB Biogen Inc. 1.89% 200,000 $36.7M No change
IRON Disc Medicine Inc. 1.84% 560,000 $35.8M Add +9.8%
DNTH Dianthus Therapeutics Inc. 1.73% 400,000 $33.6M Add +27.0%
OCUL Ocular Therapeutix Inc. 1.68% 3,850,000 $32.6M Add +10.0%
TYRA Tyra Biosciences Inc. 1.68% 850,000 $32.6M Add +304.8%
TRVI Trevi Therapeutics Inc. 1.47% 2,400,000 $28.6M Add +54.8%
MLTX Moonlake Immunotherapeutics 1.44% 1,500,000 $28.0M Reduce -14.3%
IMVT Immunovant Inc. 1.38% 1,075,000 $26.7M Reduce -21.8%
XENE Xenon Pharmaceuticals Inc. 1.35% 450,000 $26.2M New
RCUS Arcus Biosciences Inc. 1.33% 1,200,000 $25.9M New
DYN Dyne Therapeutics Inc. 1.31% 1,400,000 $25.4M Add +12.0%
GPCR Structure Therapeutics Inc. 1.24% 500,000 $24.1M Reduce -16.7%
LBRX LB Pharmaceuticals Inc. 1.16% 915,000 $22.6M Reduce -23.8%
ELVN Enliven Therapeutics Inc. 1.09% 540,000 $21.2M Add +58.8%
DSGN Design Therapeutics Inc. 1.07% 1,950,000 $20.7M Reduce -22.0%
NERV Minerva Neurosciences Inc. 1.00% 3,215,000 $19.4M Reduce -2.9%
NAMS Newamsterdam Pharma Co. NV 0.99% 600,000 $19.2M Add +33.3%
MIRM Mirum Pharmaceuticals Inc. 0.95% 200,000 $18.5M Reduce -11.1%
PCVX Vaxcyte Inc. 0.90% 300,000 $17.4M Reduce -53.9%
ACAD Acadia Pharmaceuticals Inc. 0.86% 750,000 $16.7M Reduce -11.8%
CMPX Compass Therapeutics Inc. 0.86% 3,150,000 $16.7M Add +173.9%
CLDX Celldex Therapeutics Inc. 0.73% 450,000 $14.3M Add +28.6%
JANX Janux Therapeutics Inc. 0.72% 1,000,000 $13.9M No change
VOR Vor Biopharma Inc. 0.69% 750,000 $13.4M Add +650.0%
ALKS Alkermes PLC 0.64% 350,000 $12.4M New
ORIC Oric Pharmaceuticals Inc. 0.62% 950,000 $12.0M Add +111.1%
IMMX Immix Biopharma Inc. 0.57% 1,225,000 $11.2M Add +22.5%
TENX Tenax Therapeutics Inc. 0.51% 625,000 $10.0M New
AMLX Amylyx Pharmaceuticals Inc. 0.50% 700,000 $9.7M Reduce -26.3%
CBIO Crescent Biopharma Inc. 0.46% 482,500 $8.9M Reduce -19.6%
SLNO Soleno Therapeutics Inc. 0.43% 250,000 $8.4M Reduce -16.7%
AVBP Arrivent Biopharma Inc. 0.42% 350,000 $8.1M New
RLAY Relay Therapeutics Inc. 0.38% 750,000 $7.5M New
CRVS Corvus Pharmaceuticals Inc. 0.34% 450,000 $6.6M Reduce -10.0%
MGTX Meiragtx Holdings PLC 0.31% 700,000 $6.1M New
JBIO Jade Biosciences Inc. 0.29% 400,000 $5.6M Add +1.3%
VSTM Verastem Inc. 0.27% 1,000,000 $5.3M Reduce -41.2%
AVTX Avalo Therapeutics Inc. 0.23% 300,000 $4.5M New
UNCY Unicycive Therapeutics Inc. 0.16% 473,563 $3.1M No change
IBIO Ibio Inc. 0.13% 1,300,000 $2.5M Reduce -35.0%
PTN Palatin Technologies Inc. 0.13% 140,000 $2.4M No change
ACRS Aclaris Therapeutics Inc. 0.10% 500,000 $1.9M Reduce -16.7%
PHVS Pharvaris NV 0.09% 65,000 $1.8M Reduce -35.0%
MANE Veradermics Inc. 0.08% 25,000 $1.6M New
FTH Faeth Therapeutics Inc. filed as SENSEI BIOTHERAPEUTICS INC 0.05% 30,000 $946K New
SEPN Septerna Inc. 0.03% 23,548 $566K No change
GUTS Fractyl Health Inc. 0.02% 1,000,000 $458K Reduce -9.1%

Options reported separately and not counted above: TERN calls ($26.4M), ELVN calls ($19.6M), AVTX calls ($14.9M).

Portfolio Sells Q4 2025 → Q1 2026

CDTX Cidara Therapeutics Inc. Sold out 0.00% −4.56
PRAX Praxis Precision Medicines I Reduce -24.0% 4.73% −2.64
RNAM Avidity Biosciences Inc. Sold out 0.00% −2.40
JAZZ Jazz Pharmaceuticals PLC Sold out 0.00% −2.27
GPCR Structure Therapeutics Inc. Reduce -16.7% 1.24% −1.54
PCVX Vaxcyte Inc. Reduce -53.9% 0.90% −1.10
QURE Uniqure NV Sold out 0.00% −1.08
KNSA Kiniksa Pharmaceuticals Inte Sold out 0.00% −0.96
IMVT Immunovant Inc. Reduce -21.8% 1.38% −0.95
KYMR Kymera Therapeutics Inc. Sold out 0.00% −0.67
ACAD Acadia Pharmaceuticals Inc. Reduce -11.8% 0.86% −0.65
NRIX Nurix Therapeutics Inc. Sold out 0.00% −0.63
LBRX LB Pharmaceuticals Inc. Reduce -23.8% 1.16% −0.62
VSTM Verastem Inc. Reduce -41.2% 0.27% −0.60
ACLX Arcellx Inc. Sold out 0.00% −0.50
SLNO Soleno Therapeutics Inc. Reduce -16.7% 0.43% −0.49
DSGN Design Therapeutics Inc. Reduce -22.0% 1.07% −0.49
NGNE Neurogene Inc. Sold out 0.00% −0.27
AMLX Amylyx Pharmaceuticals Inc. Reduce -26.3% 0.50% −0.26
MIRM Mirum Pharmaceuticals Inc. Reduce -11.1% 0.95% −0.23
DAWN Day One Biopharmaceuticals I Sold out 0.00% −0.19
GUTS Fractyl Health Inc. Reduce -9.1% 0.02% −0.14
IBIO Ibio Inc. Reduce -35.0% 0.13% −0.13
MLTX Moonlake Immunotherapeutics Reduce -14.3% 1.44% −0.10
PHVS Pharvaris NV Reduce -35.0% 0.09% −0.09
MREO Mereo Biopharma Group PL-ADR Sold out 0.00% −0.05
DBVT DBV Technologies SA-Spon ADR Sold out 0.00% −0.03
ACRS Aclaris Therapeutics Inc. Reduce -16.7% 0.10% −0.02
CBIO Crescent Biopharma Inc. Reduce -19.6% 0.46% −0.02
CRVS Corvus Pharmaceuticals Inc. Reduce -10.0% 0.34% +0.08
NERV Minerva Neurosciences Inc. Reduce -2.9% 1.00% +0.11
TNGX Tango Therapeutics Inc. Reduce -28.6% 3.23% +0.75
ERAS Erasca Inc. Reduce -14.2% 9.29% +6.07

Portfolio Buys Q4 2025 → Q1 2026

CNTA Centessa Pharmaceuticals Ltd. Add +962.5% 4.35% +4.01
UTHR United Therapeutics Corp. New 2.44% +2.44
MDGL Madrigal Pharmaceuticals Inc. New 2.29% +2.29
TERN Terns Pharmaceuticals Inc. Add +100.0% 4.07% +2.05
CYTK Cytokinetics Inc. Add +191.7% 2.97% +1.70
CGON CG Oncology Inc. Add +187.5% 2.00% +1.45
XENE Xenon Pharmaceuticals Inc. New 1.35% +1.35
RCUS Arcus Biosciences Inc. New 1.33% +1.33
TYRA Tyra Biosciences Inc. Add +304.8% 1.68% +1.31
DNTH Dianthus Therapeutics Inc. Add +27.0% 1.73% +0.86
ELVN Enliven Therapeutics Inc. Add +58.8% 1.09% +0.74
RYTM Rhythm Pharmaceuticals Inc. Add +136.8% 2.02% +0.66
ALKS Alkermes PLC New 0.64% +0.64
VOR Vor Biopharma Inc. Add +650.0% 0.69% +0.60
TENX Tenax Therapeutics Inc. New 0.51% +0.51
CMPX Compass Therapeutics Inc. Add +173.9% 0.86% +0.45
AVBP Arrivent Biopharma Inc. New 0.42% +0.42
RLAY Relay Therapeutics Inc. New 0.38% +0.38
ORIC Oric Pharmaceuticals Inc. Add +111.1% 0.62% +0.37
IMCR Immunocore Holdings PLC-ADR Add +76.5% 2.33% +0.36
MGTX Meiragtx Holdings PLC New 0.31% +0.31
ABVX Abivax SA-ADR Add +68.8% 3.87% +0.28
AVTX Avalo Therapeutics Inc. New 0.23% +0.23
IMMX Immix Biopharma Inc. Add +22.5% 0.57% +0.23
TRVI Trevi Therapeutics Inc. Add +54.8% 1.47% +0.18
CLDX Celldex Therapeutics Inc. Add +28.6% 0.73% +0.10
MANE Veradermics Inc. New 0.08% +0.08
FTH Faeth Therapeutics Inc. New 0.05% +0.05
NAMS Newamsterdam Pharma Co. NV Add +33.3% 0.99% −0.06
JBIO Jade Biosciences Inc. Add +1.3% 0.29% −0.12
DYN Dyne Therapeutics Inc. Add +12.0% 1.31% −0.32
MAZE Maze Therapeutics Inc. Add +30.0% 1.90% −0.72
IRON Disc Medicine Inc. Add +9.8% 1.84% −0.85
OCUL Ocular Therapeutix Inc. Add +10.0% 1.68% −1.15
IDYA Ideaya Biosciences Inc. Add +10.4% 5.92% −1.28

Options Activity Q4 2025 → Q1 2026

RVMD Revolution Medicines Inc. call Sold out 1,000,000 $79.7Mbefore exit
TERN Terns Pharmaceuticals Inc. call New 500,000 $26.4M
APLS Apellis Pharmaceuticals Inc. call Sold out 1,000,000 $25.1Mbefore exit
RCUS Arcus Biosciences Inc. call Sold out 1,050,000 $25.0Mbefore exit
ELVN Enliven Therapeutics Inc. call New 500,000 $19.6M
IDYA Ideaya Biosciences Inc. call Sold out 450,000 $15.6Mbefore exit
AVTX Avalo Therapeutics Inc. call New 1,000,000 $14.9M
IMTX Immatics NV call Sold out 850,000 $8.9Mbefore exit

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

Notes & Other Activity Q4 2025 → Q1 2026

NUVB.WS Nuvation Bio Inc. -CW27 *W EXP 02/10/202 Sold out 66,666 $22Kbefore exit

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages 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