Frazier Life Sciences Management, L.P.

CIK 1892134 · View on SEC EDGAR ↗

Portfolio value
$4.6B
#857 of 9,443 by 13F value · top 9.1%
Positions
41
As of
June 30, 2026

Portfolio value QoQ: +18.2% 13F does not disclose cash

Top 10 holdings weight
73.61%
Top 25 holdings weight
93.39%
Positions above 1%
22
Effective number of positions
11.8

Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)

Turnover Q2 2026: 7.98% Est. buys $338,273,394 · sells $349,584,619

Median holding: 4.0 quarters Tracked Q4 2024–Q2 2026 · 51.9% still held

New positions
6
Increased
8
Decreased
2
Closed
3
On this page

Performance vs S&P 500

Tracked Q4 2024–Q2 2026
+118.9%
S&P 500 total return (same window)
+28.1%
Excess return
+90.8%

Annualized: +68.8% · S&P 500: +18.0%

Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.

Priceable coverage: 96.9% · Options excluded: 0.0%

Sector breakdown

Healthcare
98.0%
Other/Unmapped
2.0%

Full portfolio 41 positions

Type Streak 8Q trend
MIRM Mirum Pharmaceuticals, Inc. - common stock $899,060,606 19.58% 7,679,684 $189,611,398
NAMS NewAmsterdam Pharma Company N.V. - Ordinary Shares $613,032,889 13.35% 18,088,902 $70,662,683 Up ×1
ERAS Erasca, Inc. - Common Stock $457,545,444 9.96% 24,975,188 $58,300,902 Up ×2
MBX MBX Biosciences, Inc. - Common Stock $367,191,118 8.00% 6,652,013 $168,628,530
ARQT Arcutis Biotherapeutics, Inc. - Common stock $258,909,678 5.64% 9,874,511 $26,266,199
TRVI Trevi Therapeutics, Inc. - Common Stock $185,370,687 4.04% 9,939,447 $66,791,891 Down ×2
KRYS Krystal Biotech, Inc. - Common Stock $178,887,373 3.90% 481,307 $54,556,149
MAZE Maze Therapeutics, Inc. - Common Stock $150,182,184 3.27% 5,032,915 $13,849,055 Up ×1
PHAT Phathom Pharmaceuticals, Inc. - Common Stock $135,261,406 2.95% 12,466,489 $-3,241,287
PVLA Palvella Therapeutics, Inc. - Common Stock $134,848,368 2.94% 882,400 $24,857,208
BBIO BridgeBio Pharma, Inc. - Common Stock $115,305,393 2.51% 1,548,139 $-140,753,409 Down ×3
IRON Disc Medicine, Inc. - Common Stock $99,093,875 2.16% 1,354,852 $12,464,638
CYTK Cytokinetics, Incorporated - Common Stock $98,810,092 2.15% 1,159,879 $22,362,467
DYN Dyne Therapeutics, Inc. - Common Stock $70,029,951 1.53% 3,153,082 $12,864,574
ASND Ascendis Pharma A/S - American Depositary Shares $60,053,342 1.31% 225,155 $29,556,085 Up ×1
SVRA Savara, Inc. - Common Stock $59,880,448 1.30% 9,720,852 $6,804,596
Unknown issuer (CUSIP: 698955101) $52,572,433 1.14% 1,920,805 Up ×1
AURA Aura Biosciences, Inc. - Common Stock $50,410,000 1.10% 7,100,000 $16,291,000 Up ×1
ACHV Achieve Life Sciences, Inc. - Common Shares $49,724,879 1.08% 7,614,836 Up ×1
VOR Vor Biopharma Inc. - Common Stock $46,833,917 1.02% 2,543,939 $1,450,045
ALLO Allogene Therapeutics, Inc. - Common Stock $46,689,069 1.02% 22,446,668 $37,425,199 Up ×1
TARS Tarsus Pharmaceuticals, Inc. - Common Stock $45,860,853 1.00% 728,644 $-5,253,524
BCRX BioCryst Pharmaceuticals, Inc. - Common Stock $40,092,400 0.87% 4,009,240 $1,924,435
ALKS Alkermes plc - Ordinary Shares $36,710,400 0.80% 700,647 $11,935,522
ACAD ACADIA Pharmaceuticals Inc. - Common Stock $36,386,409 0.79% 1,438,198 $4,372,122
ZLAB Zai Lab Limited - American Depositary Shares $36,144,080 0.79% 1,902,320 $361,441
MNKD MannKind Corporation - Common Stock $28,116,000 0.61% 6,600,000 $13,661,000 Up ×2
DSGN Design Therapeutics, Inc. - Common Stock $26,188,587 0.57% 1,809,854
ACRS Aclaris Therapeutics, Inc. - Common Stock $26,055,228 0.57% 4,925,374 $7,585,075
STTK Shattuck Labs, Inc. - Common Stock $26,025,000 0.57% 3,750,000 Up ×1
Unknown issuer (CUSIP: 482931102) $24,233,000 0.53% 1,100,000 Up ×1
GLUE Monte Rosa Therapeutics, Inc. - Common Stock $24,200,000 0.53% 1,000,000 $7,750,000
LXEO Lexeo Therapeutics, Inc. - Common Stock $22,459,095 0.49% 4,824,725 $-2,938,827 Up ×1
RLAY Relay Therapeutics, Inc. - Common Stock $19,003,616 0.41% 1,015,693 Up ×1
EOLS Evolus, Inc. - Common Stock $18,256,815 0.40% 2,630,665 $7,444,782
IMCR Immunocore Holdings plc - American Depositary Shares $15,391,829 0.34% 484,782 $775,652
VALN Valneva SE - American Depositary Shares $11,985,413 0.26% 2,291,666 $-2,337,500
NAMSW NewAmsterdam Pharma Company N.V. - Warrant $10,692,116 0.23% 500,333 $665,443
AUTL Autolus Therapeutics plc - American Depositary Shares $7,116,656 0.15% 4,447,910 $978,540
Unknown issuer (CUSIP: 98422T209) $4,047,598 0.09% 422,505 $494,331
IBIO iBio, Inc. - Common Stock $3,418,567 0.07% 1,953,467 $-293,020

Biggest new bets

New positions opened this quarter, largest first.

Security Value Shares % of portfolio
Unknown issuer (CUSIP: 698955101) $52,572,433 1,920,805 1.14%
ACHV $49,724,879 7,614,836 1.08%
DSGN $26,188,587 1,809,854 0.57%
STTK $26,025,000 3,750,000 0.57%
Unknown issuer (CUSIP: 482931102) $24,233,000 1,100,000 0.53%
RLAY $19,003,616 1,015,693 0.41%

Top movers (QoQ)

Security Action Shares Δ Value Δ
MIRM Price move only +0 +$189.6M
MBX Price move only +0 +$168.6M
BBIO Trimmed -1.9M -$140.8M
NAMS Bought more +1.1M +$70.7M
TRVI Trimmed -100 +$66.8M
ERAS Bought more +300K +$58.3M
KRYS Price move only +0 +$54.6M
ASND Bought more +92K +$29.6M
ARQT Price move only +0 +$26.3M
PVLA Price move only +0 +$24.9M

1 position hidden (data completeness check)

Exited positions

Includes corporate events (mergers, delistings) — not all exits are sells

Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.

SecurityQuarter Shares before Value before Price since exit
VRNA Dec. 31, 2025 3,383,950 $361,101,305 No longer tracked
KALV June 30, 2026 4,961,108 $99,867,104 No longer tracked
RNA March 31, 2026 983,125 $70,912,806 -1.6%
RVMD June 30, 2026 675,686 $65,710,464 16.4%
ABVX March 31, 2026 378,300 $51,015,647 7.8%
AGIO June 30, 2026 1,256,080 $42,493,186 -4.5%
RYTM June 30, 2025 678,760 $35,953,917 86.0%
SLNO June 30, 2025 499,159 $35,664,911 No longer tracked
EWTX March 31, 2025 1,271,245 $33,942,242 110.1%
RAPT March 31, 2026 983,333 $33,305,489 No longer tracked
RARE Dec. 31, 2025 983,715 $29,590,147 14.8%
HLVX Sept. 30, 2025 10,617,062 $21,127,953 No longer tracked
ANAB March 31, 2025 1,573,719 $20,836,040 220.8%
CGON Sept. 30, 2025 770,000 $20,020,000 94.8%
MREO Dec. 31, 2025 9,440,112 $19,446,631 -26.5%
AKRO Dec. 31, 2025 366,784 $17,414,904 No longer tracked
PCVX Dec. 31, 2025 474,405 $17,088,068 34.9%
MRUS June 30, 2025 373,100 $15,703,779 No longer tracked
PLRX March 31, 2025 1,120,803 $14,760,976 -12.2%
COGT Sept. 30, 2025 1,734,601 $12,454,435 162.0%
JBIO Dec. 31, 2025 1,413,280 $12,196,606 50.4%
ASMB Dec. 31, 2025 456,249 $11,679,974 -3.4%
ORIC Sept. 30, 2025 1,065,334 $10,813,140 19.6%
ADVM Dec. 31, 2025 2,077,431 $9,410,762 No longer tracked
TVTX March 31, 2026 241,592 $9,231,230 118.5%
DAWN March 31, 2025 689,655 $8,737,929 No longer tracked
ENGN Dec. 31, 2025 1,157,380 $7,904,905 -80.6%
ETNB March 31, 2025 1,000,000 $7,820,000 No longer tracked
ACAD June 30, 2025 470,338 $7,812,314 42.1%
RCKT June 30, 2025 1,079,025 $7,197,097 44.7%
ORKA Sept. 30, 2025 583,327 $6,539,096 469.6%
IMTX June 30, 2025 1,247,911 $5,628,079 71.6%
ARVN March 31, 2025 285,331 $5,469,795 36.6%
MGNX Dec. 31, 2025 3,175,665 $5,335,117 159.3%
SLN Dec. 31, 2025 970,130 $5,034,975 131.3%
DSGN March 31, 2026 521,000 $4,886,980 50.5%
ELDN March 31, 2025 1,176,735 $4,848,148 7.7%
XLO March 31, 2026 5,915,091 $3,786,841 10.5%
CBIO Dec. 31, 2025 272,951 $3,245,387 46.7%
ELEV Sept. 30, 2025 5,993,579 $2,200,243 No longer tracked