Frazier Life Sciences Management, L.P.

CIK: 0001892134SEC EDGAR →

Portfolio Value

$3.7B

Holdings

40

As of

Q4 2025

New Positions

5

Closed Positions

12

Portfolio Value History

Top 10 Holdings

RankStockSharesValue% of Portfolio
1

NEWAMSTERDAM PHARMA COMPANY

16,943,774$594.4M
15.96%
2

MIRUM PHARMACEUTICALS INC

6,795,121$536.7M
14.42%
3

ARCUTIS BIOTHERAPEUTICS INC

9,874,511$286.8M
7.70%
4

BRIDGEBIO PHARMA INC

3,545,557$271.2M
7.28%
5

MBX BIOSCIENCES INC

6,652,013$209.8M
5.64%
6

PHATHOM PHARMACEUTICALS INC

12,466,489$206.8M
5.55%
7

MAZE THERAPEUTICS INC

4,567,274$189.2M
5.08%
8

TREVI THERAPEUTICS INC

10,259,409$128.4M
3.45%
9

KRYSTAL BIOTECH INC

488,460$120.4M
3.23%
10

DISC MEDICINE INC

1,260,000$100.1M
2.69%

Quarterly Changes

Top Buys

NAMS↑ Increased
$119.4M
RNA↑ Increased
$43.7M
RAPTNEW
$33.3M
VORNEW
$33.3M
DYN↑ Increased
$27.3M

Top Sells

VRNACLOSED
$361.1M
BBIO↓ Decreased
$71.5M
RARECLOSED
$29.6M
MREOCLOSED
$19.4M
YB4P↓ Decreased
$18.5M

New Positions (5)

$33.3M · 983K shares
$33.3M · 2.5M shares
$24.0M · 4.2M shares
$3.8M · 5.9M shares
$3.8M · 2.0M shares

Closed Positions (12)

$361.1M · 3.4M shares
$29.6M · 984K shares
$19.4M · 9.4M shares
$17.4M · 367K shares
$17.1M · 474K shares
$12.2M · 1.4M shares
$11.7M · 456K shares
$9.4M · 2.1M shares
$7.9M · 1.2M shares
$5.3M · 3.2M shares
$5.0M · 970K shares
$3.2M · 273K shares

Sector Breakdown

Sector# HoldingsValue%
Healthcare39$3.7B98.4%
Unknown1$59.5M1.6%