Logos Global Management LP

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 17, 2026), Logos Global Management LP reported 63 stock positions worth $1.5 billion. Its top holding was Revolution Medicines (RVMD) at 10.6% of the portfolio, followed by Praxis Precision Medicines I (PRAX, 7.4%) and Ideaya Biosciences (IDYA, 7.2%). Compared with Q3 2025, it opened 22 new positions, sold out of 11, added to 15 and reduced 20. The biggest buy was Praxis Precision Medicines I (PRAX, shares +200%) and the biggest sale an exit from Akero Therapeutics (AKRO).

Most Recent 13F
Q2 2026
Location
San Francisco, CA
CIK
0001792126
Portfolio Value
$1.5B (Q4 2025)
SEC Filing
0001172661-26-001209 ↗ filed Feb 17, 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 $1.5B Q4 2025 Q1 2026: $1.9B Q1 2026 Q2 2026: $2.3B Q2 2026

Holdings 63 stocks · $1.5B

RVMD Revolution Medicines Inc. 10.62% 2,000,000 $159.3M Add +14.3%
PRAX Praxis Precision Medicines I 7.37% 375,000 $110.5M Add +200.0%
IDYA Ideaya Biosciences Inc. 7.20% 3,125,000 $108.0M Add +38.9%
OLMA Olema Pharmaceuticals Inc. 5.35% 3,208,875 $80.2M No change
CDTX Cidara Therapeutics Inc. 4.56% 310,000 $68.5M Reduce -17.3%
ABVX Abivax SA-ADR 3.59% 400,000 $53.9M Reduce -3.6%
ERAS Erasca Inc. 3.22% 13,000,000 $48.4M Reduce -14.2%
OCUL Ocular Therapeutix Inc. 2.83% 3,500,000 $42.5M Add +7.7%
GPCR Structure Therapeutics Inc. 2.78% 600,000 $41.7M Reduce -29.4%
IRON Disc Medicine Inc. 2.70% 510,000 $40.5M Add +13.3%
MAZE Maze Therapeutics Inc. 2.62% 950,000 $39.4M Reduce -22.6%
TNGX Tango Therapeutics Inc. 2.48% 4,200,000 $37.2M Add +342.1%
RNAM Avidity Biosciences Inc. 2.40% 500,000 $36.1M Reduce -16.7%
BIIB Biogen Inc. 2.35% 200,000 $35.2M Add +100.0%
IMVT Immunovant Inc. 2.33% 1,375,000 $35.0M Add +400.0%
JAZZ Jazz Pharmaceuticals PLC 2.27% 200,000 $34.0M No change
TERN Terns Pharmaceuticals Inc. 2.02% 750,000 $30.3M New
PCVX Vaxcyte Inc. 2.00% 650,000 $30.0M Add +4.0%
IMCR Immunocore Holdings PLC-ADR 1.97% 850,000 $29.5M No change
LBRX LB Pharmaceuticals Inc. 1.78% 1,200,000 $26.7M Add +6.2%
DYN Dyne Therapeutics Inc. 1.63% 1,250,000 $24.4M Reduce -47.9%
DSGN Design Therapeutics Inc. 1.56% 2,500,000 $23.4M Reduce -31.6%
MLTX Moonlake Immunotherapeutics 1.54% 1,750,000 $23.1M New
ACAD Acadia Pharmaceuticals Inc. 1.51% 850,000 $22.7M New
RYTM Rhythm Pharmaceuticals Inc. 1.36% 190,000 $20.3M Reduce -5.0%
TRVI Trevi Therapeutics Inc. 1.29% 1,550,000 $19.4M Reduce -29.6%
CYTK Cytokinetics Inc. 1.27% 300,000 $19.1M New
MIRM Mirum Pharmaceuticals Inc. 1.18% 225,000 $17.8M New
QURE Uniqure NV 1.08% 675,000 $16.2M Add +125.0%
NAMS Newamsterdam Pharma Co. NV 1.05% 450,000 $15.8M New
KNSA Kiniksa Pharmaceuticals Inte 0.96% 350,000 $14.4M New
SLNO Soleno Therapeutics Inc. 0.93% 300,000 $13.9M New
JANX Janux Therapeutics Inc. 0.92% 1,000,000 $13.8M Add +7.0%
NERV Minerva Neurosciences Inc. 0.89% 3,311,000 $13.3M New
VSTM Verastem Inc. 0.87% 1,700,000 $13.1M Reduce -58.0%
DNTH Dianthus Therapeutics Inc. 0.86% 315,000 $13.0M Add +57.5%
AMLX Amylyx Pharmaceuticals Inc. 0.76% 950,000 $11.5M Reduce -34.5%
KYMR Kymera Therapeutics Inc. 0.67% 130,000 $10.1M Reduce -48.0%
CLDX Celldex Therapeutics Inc. 0.63% 350,000 $9.5M New
NRIX Nurix Therapeutics Inc. 0.63% 500,000 $9.5M New
CGON CG Oncology Inc. 0.55% 200,000 $8.3M New
ACLX Arcellx Inc. 0.50% 115,000 $7.5M Reduce -30.3%
CBIO Crescent Biopharma Inc. 0.47% 600,000 $7.1M No change
CMPX Compass Therapeutics Inc. 0.41% 1,150,000 $6.2M Reduce -43.9%
JBIO Jade Biosciences Inc. 0.41% 395,000 $6.1M Reduce -36.8%
TYRA Tyra Biosciences Inc. 0.37% 210,000 $5.5M New
ELVN Enliven Therapeutics Inc. 0.35% 340,000 $5.2M No change
IMMX Immix Biopharma Inc. 0.35% 1,000,000 $5.2M New
CNTA Centessa Pharmaceuticals Ltd. 0.33% 200,000 $5.0M Reduce -61.9%
NGNE Neurogene Inc. 0.27% 195,000 $4.0M New
IBIO Ibio Inc. 0.26% 2,000,000 $3.9M New
CRVS Corvus Pharmaceuticals Inc. 0.26% 500,000 $3.9M New
ORIC Oric Pharmaceuticals Inc. 0.25% 450,000 $3.7M New
DAWN Day One Biopharmaceuticals I 0.19% 300,000 $2.8M New
PHVS Pharvaris NV 0.18% 100,000 $2.8M Reduce -33.3%
UNCY Unicycive Therapeutics Inc. 0.18% 473,563 $2.7M No change
GUTS Fractyl Health Inc. 0.16% 1,100,000 $2.4M Add +120.0%
PTN Palatin Technologies Inc. 0.14% 140,000 $2.2M New
ACRS Aclaris Therapeutics Inc. 0.12% 600,000 $1.8M Reduce -60.0%
VOR Vor Biopharma Inc. 0.09% 100,000 $1.3M New
MREO Mereo Biopharma Group PL-ADR 0.05% 1,850,000 $771K Add +270.0%
SEPN Septerna Inc. 0.04% 23,548 $657K Reduce -71.8%
DBVT DBV Technologies SA-Spon ADR 0.03% 25,000 $479K New

Options reported separately and not counted above: RVMD calls ($79.7M), APLS calls ($25.1M), RCUS calls ($25.0M), IDYA calls ($15.6M), IMTX calls ($8.9M).

Other holdings (1): bonds, preferreds, convertibles and warrants · $22K (not counted above)
SecurityClassShares / PrincipalValueChange
NUVB.WS Nuvation Bio Inc. -CW27 *W EXP 02/10/202 66,666$22KNo change

Total filed on the 13F, all lines: $1.5B.

Portfolio Sells Q3 2025 → Q4 2025

AKRO Akero Therapeutics Inc. Sold out 0.00% −5.63
ARVN Arvinas Inc. Sold out 0.00% −4.69
VSTM Verastem Inc. Reduce -58.0% 0.87% −2.66
PTGX Protagonist Therapeutics Inc. Sold out 0.00% −1.97
DYN Dyne Therapeutics Inc. Reduce -47.9% 1.63% −1.37
KROS Keros Therapeutics Inc. Sold out 0.00% −1.33
AMLX Amylyx Pharmaceuticals Inc. Reduce -34.5% 0.76% −1.18
DSGN Design Therapeutics Inc. Reduce -31.6% 1.56% −1.16
CNTA Centessa Pharmaceuticals Ltd. Reduce -61.9% 0.33% −0.92
ACLX Arcellx Inc. Reduce -30.3% 0.50% −0.84
KYMR Kymera Therapeutics Inc. Reduce -48.0% 0.67% −0.72
COGT Cogent Biosciences Inc. Sold out 0.00% −0.71
TRVI Trevi Therapeutics Inc. Reduce -29.6% 1.29% −0.70
IMRX Immuneering Corp. Class A Sold out 0.00% −0.66
SRRK Scholar Rock Holding Corp. Sold out 0.00% −0.64
RYTM Rhythm Pharmaceuticals Inc. Reduce -5.0% 1.36% −0.64
EPRX Eupraxia Pharmaceuticals Inc. Sold out 0.00% −0.52
MAZE Maze Therapeutics Inc. Reduce -22.6% 2.62% −0.52
ATXS Astria Therapeutics Inc. Sold out 0.00% −0.36
PEPG Pepgen Inc. Sold out 0.00% −0.34
CMPX Compass Therapeutics Inc. Reduce -43.9% 0.41% −0.30
ESPR Esperion Therapeutics Inc. Sold out 0.00% −0.20
PHVS Pharvaris NV Reduce -33.3% 0.18% −0.18
RNAM Avidity Biosciences Inc. Reduce -16.7% 2.40% −0.18
ACRS Aclaris Therapeutics Inc. Reduce -60.0% 0.12% −0.16
JBIO Jade Biosciences Inc. Reduce -36.8% 0.41% −0.13
SEPN Septerna Inc. Reduce -71.8% 0.04% −0.11
ERAS Erasca Inc. Reduce -14.2% 3.22% −0.04
ABVX Abivax SA-ADR Reduce -3.6% 3.59% +0.11
GPCR Structure Therapeutics Inc. Reduce -29.4% 2.78% +0.43
CDTX Cidara Therapeutics Inc. Reduce -17.3% 4.56% +1.02

Portfolio Buys Q3 2025 → Q4 2025

PRAX Praxis Precision Medicines I Add +200.0% 7.37% +6.71
RVMD Revolution Medicines Inc. Add +14.3% 10.62% +2.54
TERN Terns Pharmaceuticals Inc. New 2.02% +2.02
IMVT Immunovant Inc. Add +400.0% 2.33% +1.89
TNGX Tango Therapeutics Inc. Add +342.1% 2.48% +1.69
MLTX Moonlake Immunotherapeutics New 1.54% +1.54
ACAD Acadia Pharmaceuticals Inc. New 1.51% +1.51
CYTK Cytokinetics Inc. New 1.27% +1.27
MIRM Mirum Pharmaceuticals Inc. New 1.18% +1.18
IDYA Ideaya Biosciences Inc. Add +38.9% 7.20% +1.15
NAMS Newamsterdam Pharma Co. NV New 1.05% +1.05
KNSA Kiniksa Pharmaceuticals Inte New 0.96% +0.96
BIIB Biogen Inc. Add +100.0% 2.35% +0.96
SLNO Soleno Therapeutics Inc. New 0.93% +0.93
NERV Minerva Neurosciences Inc. New 0.89% +0.89
CLDX Celldex Therapeutics Inc. New 0.63% +0.63
NRIX Nurix Therapeutics Inc. New 0.63% +0.63
CGON CG Oncology Inc. New 0.55% +0.55
TYRA Tyra Biosciences Inc. New 0.37% +0.37
IMMX Immix Biopharma Inc. New 0.35% +0.35
NGNE Neurogene Inc. New 0.27% +0.27
IBIO Ibio Inc. New 0.26% +0.26
CRVS Corvus Pharmaceuticals Inc. New 0.26% +0.26
ORIC Oric Pharmaceuticals Inc. New 0.25% +0.25
DAWN Day One Biopharmaceuticals I New 0.19% +0.19
PTN Palatin Technologies Inc. New 0.14% +0.14
DNTH Dianthus Therapeutics Inc. Add +57.5% 0.86% +0.09
VOR Vor Biopharma Inc. New 0.09% +0.09
GUTS Fractyl Health Inc. Add +120.0% 0.16% +0.08
DBVT DBV Technologies SA-Spon ADR New 0.03% +0.03
LBRX LB Pharmaceuticals Inc. Add +6.2% 1.78% +0.02
MREO Mereo Biopharma Group PL-ADR Add +270.0% 0.05% −0.05
PCVX Vaxcyte Inc. Add +4.0% 2.00% −0.23
IRON Disc Medicine Inc. Add +13.3% 2.70% −0.24
QURE Uniqure NV Add +125.0% 1.08% −0.65
OCUL Ocular Therapeutix Inc. Add +7.7% 2.83% −0.92
JANX Janux Therapeutics Inc. Add +7.0% 0.92% −1.34

Options Activity Q3 2025 → Q4 2025

RCUS Arcus Biosciences Inc. call New 1,050,000 $25.0M
JANX Janux Therapeutics Inc. call Sold out 500,000 $12.2Mbefore exit
IMTX Immatics NV call New 850,000 $8.9M
LRMR Larimar Therapeutics Inc. call Sold out 2,500,000 $8.1Mbefore exit
ALEC Alector Inc. call Sold out 500,000 $1.5Mbefore exit

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