Arkolith/Funds/Frazier Life Sciences Management, L.P.

Frazier Life Sciences Management, L.P.

CIK 1892134Hedge fund
Holdings as of Jun 30, 2026·disclosed Aug 14, 2026·~45-day 13F lag·13F-HR
Active Filer

Frazier Life Sciences Management, L.P. holds a focused book of 41 stocks worth $4.6B as of Q2 2026 (disclosed Aug 14, 2026, a ~45-day 13F lag). This quarter they opened Parabilis Medicines Inc and trimmed Trevi Therapeutics Inc. Their largest long position is Mirum Pharmaceuticals Inc at 20% of the equity book.

Opened
10
bought for the first time
Added to
8
already held, bought more
Trimmed
2
sold some, still holds it

Concentration

Top-heavy: focused book

Top 5 holdings
57%
Top 10 holdings
74%
Top 20 holdings
89%

Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.

Direct sector allocation

97% mapped to company sectors

Health Care
97%
ETF / fund or unclassified
3%

Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.

Biggest moves: latest quarter

Estimated $ traded · quarter-end prices, no cost basis

Bought
Trimmed / exited

Funds with the most overlap

Other tracked managers holding the same core names as Frazier Life Sciences Management, L.P.

Manager / fundShared namesTheir $ in those
UBS Group AG44 / 41$1.7B
MORGAN STANLEY43 / 41$1.3B
GEODE CAPITAL MANAGEMENT, LLC42 / 41$3.2B
JPMORGAN CHASE & CO42 / 41$755.9M
BNP PARIBAS FINANCIAL MARKETS42 / 41$505.1M
BlackRock, Inc.41 / 41$9.2B
STATE STREET CORP41 / 41$5.5B
GOLDMAN SACHS GROUP INC41 / 41$1.4B

Ranked by how many of Frazier Life Sciences Management, L.P.'s top 41 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.

Holdings: largest first

Bars show each stock's share of the portfolio. Click a row for its position history.

41 positions
#SecurityValueShares% PortLast moveHistory
1Mirum Pharmaceuticals Inc
COM
$899.1M7.68M
19.6%
Held
2Newamsterdam Pharma Company
ORDINARY SHARES
$613.0M18.09M
13.3%
+6.8%
Added · +1.1M sh
3Erasca Inc
COM
$457.5M24.98M
10.0%
+1.2%
Added · +300K sh
4MBX Biosciences Inc
COM
$367.2M6.65M
8.0%
Held
5Arcutis Biotherapeutics Inc
COM
$258.9M9.87M
5.6%
Held
6Trevi Therapeutics Inc
COM
$185.4M9.94M
4.0%
~0%
Reduced · −100 sh
7Krystal Biotech Inc
COM
$178.9M481.3K
3.9%
Held
8Maze Therapeutics Inc
COM
$150.2M5.03M
3.3%
+10%
Added · +466K sh
9Phathom Pharmaceuticals Inc
COM
$135.3M12.47M
2.9%
Held
10Palvella Therapeutics Inc Ne
COM
$134.8M882.4K
2.9%
Held
11Bridgebio Pharma Inc
COM
$115.3M1.55M
2.5%
−55%
Reduced · −1.9M sh
12Disc Medicine Inc
COM
$99.1M1.35M
2.2%
Held
13Cytokinetics Inc
COM NEW
$98.8M1.16M
2.2%
Held
14Dyne Therapeutics Inc
COM
$70.0M3.15M
1.5%
Held
15Ascendis Pharma A/s
SPONSORED ADR
$60.1M225.2K
1.3%
+69%
Added · +92K sh
16Savara Inc
COM
$59.9M9.72M
1.3%
Held
17Parabilis Medicines Inc
COM
$52.6M1.92M
1.1%
New
New position
18Aura Biosciences Inc
COM
$50.4M7.10M
1.1%
+39%
Added · +2.0M sh
19Achieve Life Science Inc
COM
$49.7M7.61M
1.1%
New
New position
20Vor Biopharma Inc
COM NEW
$46.8M2.54M
1.0%
Held
21Allogene Therapeutics Inc
COM
$46.7M22.45M
1.0%
+491%
Added · +18.6M sh
22Tarsus Pharmaceuticals Inc
COM
$45.9M728.6K
1.0%
Held
23Biocryst Pharmaceuticals Inc
COM
$40.1M4.01M
0.9%
Held
24Alkermes PLC
SHS
$36.7M700.6K
0.8%
Held
25Acadia Pharmaceuticals Inc
COM
$36.4M1.44M
0.8%
Held
26Zai Lab Ltd
ADR
$36.1M1.90M
0.8%
Held
27Mannkind Corp
COM NEW
$28.1M6.60M
0.6%
+12%
Added · +700K sh
28Design Therapeutics Inc
COM
$26.2M1.81M
0.6%
New
New position
29Aclaris Therapeutics Inc
COM
$26.1M4.93M
0.6%
Held
30Shattuck Labs Inc
COM
$26.0M3.75M
0.6%
New
New position
31Kailera Therapeutics Inc
COMMON STOCK
$24.2M1.10M
0.5%
New
New position
32Monte Rosa Therapeutics Inc
COM
$24.2M1.00M
0.5%
Held
33Lexeo Therapeutics Inc
COM
$22.5M4.82M
0.5%
+9.0%
Added · +400K sh
34Relay Therapeutics Inc
COM
$19.0M1.02M
0.4%
New
New position
35Evolus Inc
COM
$18.3M2.63M
0.4%
Held
36Immunocore Hldgs PLC
ADS
$15.4M484.8K
0.3%
Held
37Valneva SE
SPONSORED ADS
$12.0M2.29M
0.3%
Held
38Newamsterdam Pharma Company
*W EXP 99/99/999
$10.7M500.3K
0.2%
Held
39Autolus Therapeutics Ltd
SPON ADS
$7.1M4.45M
0.2%
Held
40Xilio Therapeutics Inc
COM
$4.0M422.5K
0.1%
Held
41Ibio Inc
COM NEW
$3.4M1.95M
0.1%
Held
Showing all 41 positions
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Filing history

As-of date vs the date the SEC received each filing

QuarterAs ofFiledPositionsValueForm
Q2 2026Jun 30, 2026Aug 14, 202641$4.6B13F-HR
Q1 2026Mar 31, 2026May 15, 202638$3.9B13F-HR
Q4 2025Dec 31, 2025Feb 13, 202640$3.7B13F-HR
Q3 2025Sep 30, 2025Nov 14, 202547$3.3B13F-HR
Q2 2025Jun 30, 2025Aug 14, 202549$2.5B13F-HR
Q1 2025Mar 31, 2025May 15, 202547$2.2B13F-HR
Q4 2024Dec 31, 2024Feb 18, 202550$2.4B13F-HR
Q3 2024Sep 30, 2024Nov 15, 202453$2.5B13F-HR
Q2 2024Jun 30, 2024Aug 15, 202449$2.1B13F-HR
Q1 2024Mar 31, 2024May 15, 202450$2.4B13F-HR
Q4 2023Dec 31, 2023Feb 14, 202449$1.9B13F-HR
Q3 2023Sep 30, 2023Nov 14, 202352$1.5B13F-HR
Q2 2023Jun 30, 2023Aug 14, 202348$1.7B13F-HR
Q1 2023Mar 31, 2023May 15, 202349$1.4B13F-HR
Q4 2022Dec 31, 2022Feb 7, 202344$1.6B13F-HR/A
Q3 2022Sep 30, 2022Nov 14, 202243$1.3B13F-HR
Q2 2022Jun 30, 2022Aug 10, 202241$1.1B13F-HR
Q1 2022Mar 31, 2022May 16, 202242$1.2B13F-HR
Amended / restated
  • Q4 2022 · filed Feb 3, 202313F-HR · superseded

Data source

Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.