Frazier Life Sciences Management, L.P.

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 18, 2025), Frazier Life Sciences Management, L.P. reported 49 stock positions worth $2.4 billion. Its top holding was Newamsterdam Pharma (NAMS) at 17.0% of the portfolio, followed by Mirum Pharmaceuticals (MIRM, 11.3%) and Verona Pharma (VRNA, 6.5%). Compared with Q3 2024, it opened 3 new positions, sold out of 6, added to 12 and reduced 9. The biggest buy was Newamsterdam Pharma (NAMS, shares +24%) and the biggest sale Vaxcyte (PCVX, shares −39%).

Most Recent 13F
Q2 2026
Location
PALO ALTO, CA
CIK
0001892134
Portfolio Value
$2.4B (Q4 2024)
SEC Filing
0001892134-25-000001 ↗ filed Feb 18, 2025

Holdings Value

0$1.0B$2.0B$3.0B$4.0B$5.0B Q1 2024: $2.4B Q1 2024 Q2 2024: $2.1B Q2 2024 Q3 2024: $2.5B Q3 2024 Q4 2024: $2.4B $2.4B Q4 2024 Q1 2025: $2.2B Q1 2025 Q2 2025: $2.5B Q2 2025 Q3 2025: $3.3B Q3 2025 Q4 2025: $3.7B Q4 2025 Q1 2026: $3.9B Q1 2026 Q2 2026: $4.6B Q2 2026

Holdings 49 stocks · $2.4B

NAMS Newamsterdam Pharma Co. NV 17.03% 15,916,418 $409.1M Add +23.8%
MIRM Mirum Pharmaceuticals Inc. 11.31% 6,570,392 $271.7M No change
VRNA Verona Pharma Ltd. 6.54% 3,383,950 $157.2M No change
KRYS Krystal Biotech Inc. 5.14% 788,460 $123.5M Reduce -20.2%
ARQT Arcutis Biotherapeutics Inc. 5.09% 8,785,284 $122.4M No change
IRON Disc Medicine Inc. 4.63% 1,754,834 $111.3M No change
MBX MBX Biosciences Inc. 4.59% 5,985,347 $110.3M No change
RYTM Rhythm Pharmaceuticals Inc. 4.36% 1,869,808 $104.7M Reduce -22.6%
BBIO Bridgebio Pharma Inc. 4.34% 3,800,457 $104.3M Add +1.1%
TARS Tarsus Pharmaceuticals Inc. 3.66% 1,587,527 $87.9M No change
PHAT Phathom Pharmaceuticals Inc. 3.42% 10,109,279 $82.1M No change
ERAS Erasca Inc. 2.03% 19,391,687 $48.7M No change
PCVX Vaxcyte Inc. 1.84% 539,405 $44.2M Reduce -38.7%
TRVI Trevi Therapeutics Inc. 1.83% 10,664,774 $43.9M Add +44.5%
RVMD Revolution Medicines Inc. 1.82% 997,455 $43.6M No change
KALV Kalvista Pharmaceuticals Inc. 1.72% 4,887,867 $41.4M Add +32.5%
AGIO Agios Pharmaceuticals Inc. 1.46% 1,069,754 $35.2M Add +2.5%
EWTX Edgewise Therapeutics Inc. 1.41% 1,271,245 $33.9M Reduce -55.1%
SLNO Soleno Therapeutics Inc. 1.31% 699,159 $31.4M Reduce -20.2%
ORIC Oric Pharmaceuticals Inc. 1.31% 3,888,238 $31.4M Reduce -6.2%
RARE Ultragenyx Pharmaceutical Inc. 1.15% 658,715 $27.7M Add +3.9%
SVRA Savara Inc. 1.11% 8,660,379 $26.6M Add +6.2%
CGON CG Oncology Inc. 0.92% 770,000 $22.1M No change
HLVX Hillevax Inc. 0.91% 10,617,062 $22.0M No change
ANAB Anaptysbio Inc. 0.87% 1,573,719 $20.8M Reduce -28.8%
RCKT Rocket Pharmaceuticals Inc. 0.77% 1,479,025 $18.6M Reduce -0.4%
ASND Ascendis Pharma A/S 0.76% 133,333 $18.4M No change
MREO Mereo Biopharma Group PL-ADR 0.74% 5,097,779 $17.8M No change
ALKS Alkermes PLC 0.72% 601,129 $17.3M Add +4.3%
MRUS Merus NV 0.65% 373,100 $15.7M No change
IMTX Immatics NV 0.64% 2,147,911 $15.3M Add +58.5%
PLRX Pliant Therapeutics Inc. 0.61% 1,120,803 $14.8M New
DSGN Design Therapeutics Inc. 0.50% 1,953,547 $12.1M Add +3.2%
ORKA Oruka Therapeutics Inc. 0.47% 583,327 $11.3M Add +22.2%
AUTL Autolus Therapeutics PLC 0.45% 4,623,324 $10.9M No change
MGNX Macrogenics Inc. 0.43% 3,175,665 $10.3M Add +5.5%
DAWN Day One Biopharmaceuticals I 0.36% 689,655 $8.7M No change
ACAD Acadia Pharmaceuticals Inc. 0.36% 470,338 $8.6M No change
SLN Silence Therapeutics PLC-ADR 0.33% 1,148,591 $7.9M No change
PVLA Palvella Therapeutics Inc. 0.33% 653,892 $7.8M New
ETNB 89BIO Inc. 0.33% 1,000,000 $7.8M No change
COGT Cogent Biosciences Inc. 0.30% 936,576 $7.3M No change
LXEO Lexeo Therapeutics Inc. 0.26% 955,515 $6.3M Reduce -23.6%
ALLO Allogene Therapeutics Inc. 0.25% 2,867,750 $6.1M No change
ARVN Arvinas Inc. 0.23% 285,331 $5.5M No change
ADVM Adverum Biotechnologies Inc. 0.21% 1,069,244 $5.0M No change
ELDN Eledon Pharmaceuticals Inc. 0.20% 1,176,735 $4.8M New
ELEV Elevation Oncology Inc. 0.14% 5,993,579 $3.4M No change
IMCR Immunocore Holdings PLC-ADR 0.13% 108,762 $3.2M No change
Other holdings (1): bonds, preferreds, convertibles and warrants · $7.1M (not counted above)
SecurityClassShares / PrincipalValueChange
NAMSW Newamsterdam Pharma Co. NV-27 *W EXP 99/99/999 500,333$7.1MNo change

Total filed on the 13F, all lines: $2.4B.

Portfolio Sells Q3 2024 → Q4 2024

PCVX Vaxcyte Inc. Reduce -38.7% 1.84% −2.20
ANAB Anaptysbio Inc. Reduce -28.8% 0.87% −2.10
KRYS Krystal Biotech Inc. Reduce -20.2% 5.14% −2.08
EWTX Edgewise Therapeutics Inc. Reduce -55.1% 1.41% −1.62
RYTM Rhythm Pharmaceuticals Inc. Reduce -22.6% 4.36% −0.72
TYRA Tyra Biosciences Inc. Sold out 0.00% −0.69
SLNO Soleno Therapeutics Inc. Reduce -20.2% 1.31% −0.47
ORIC Oric Pharmaceuticals Inc. Reduce -6.2% 1.31% −0.40
RCKT Rocket Pharmaceuticals Inc. Reduce -0.4% 0.77% −0.33
PBYI Puma Biotechnology Inc. Sold out 0.00% −0.31
PEPG Pepgen Inc. Sold out 0.00% −0.24
LXEO Lexeo Therapeutics Inc. Reduce -23.6% 0.26% −0.19
NUVB Nuvation Bio Inc. Sold out 0.00% −0.11
ACRS Aclaris Therapeutics Inc. Sold out 0.00% −0.01
PIERIS PHARMACEUTICALS INC Sold out 0.00% −0.01

Portfolio Buys Q3 2024 → Q4 2024

NAMS Newamsterdam Pharma Co. NV Add +23.8% 17.03% +8.46
TRVI Trevi Therapeutics Inc. Add +44.5% 1.83% +0.84
PLRX Pliant Therapeutics Inc. New 0.61% +0.61
BBIO Bridgebio Pharma Inc. Add +1.1% 4.34% +0.50
PVLA Palvella Therapeutics Inc. New 0.33% +0.33
ELDN Eledon Pharmaceuticals Inc. New 0.20% +0.20
DSGN Design Therapeutics Inc. Add +3.2% 0.50% +0.09
ALKS Alkermes PLC Add +4.3% 0.72% +0.07
MGNX Macrogenics Inc. Add +5.5% 0.43% +0.03
IMTX Immatics NV Add +58.5% 0.64% +0.02
KALV Kalvista Pharmaceuticals Inc. Add +32.5% 1.72% +0.01
ORKA Oruka Therapeutics Inc. Add +22.2% 0.47% +0.00
RARE Ultragenyx Pharmaceutical Inc. Add +3.9% 1.15% −0.26
SVRA Savara Inc. Add +6.2% 1.11% −0.28
AGIO Agios Pharmaceuticals Inc. Add +2.5% 1.46% −0.40

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 40$4.6BMIRM, NAMS, ERAS, MBX, ARQT
Q1 2026 37$3.9BMIRM, NAMS, ERAS, BBIO, ARQT
Q4 2025 39$3.7BNAMS, MIRM, ARQT, BBIO, MBX
Q3 2025 46$3.3BMIRM, NAMS, VRNA, BBIO, ARQT
Q2 2025 48$2.5BMIRM, VRNA, NAMS, BBIO, ARQT
Q1 2025 46$2.2BNAMS, MIRM, VRNA, ARQT, BBIO
Q4 2024 49$2.4BNAMS, MIRM, VRNA, KRYS, ARQT
Q3 2024 52$2.5BMIRM, NAMS, PHAT, KRYS, MBX
Q2 2024 48$2.1BNAMS, MIRM, KRYS, HLVX, PHAT
Q1 2024 49$2.4BNAMS, KRYS, MIRM, HLVX, ALPN