Frazier Life Sciences Management, L.P.
Position in MIRM — Mirum Pharmaceuticals, Inc.
CIK 1892134
PALO ALTO, CA
Position in MIRM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$709,449,207
+$172,702,600 QoQ
Shares Held
7,679,684
+13.0% QoQ
Ownership
12.6%
of shares outstanding
% of Portfolio
18.32%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
17 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MIRM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Frazier Life Sciences Management, L.P. holds $3,799,191,824 across 33 Biotechnology names. MIRM ranks #1 (18.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MIRM |
Mirum Pharmaceuticals, Inc.
This page
|
7,679,684 | $709,449,207 | |
| 2 | NAMS |
NewAmsterdam Pharma Co N.V.
|
16,943,774 | $542,370,205 | |
| 3 | ERAS |
Erasca, Inc.
|
24,675,188 | $399,244,541 | |
| 4 | BBIO |
BridgeBio Pharma, Inc.
|
3,448,139 | $256,058,802 | |
| 5 | ARQT |
Arcutis Biotherapeutics, Inc.
|
9,874,511 | $232,643,479 | |
| 6 | MBX |
MBX Biosciences, Inc.
|
6,652,013 | $198,562,588 | |
| 7 | PHAT |
Phathom Pharmaceuticals, Inc.
|
12,466,489 | $138,502,692 | |
| 8 | MAZE |
Maze Therapeutics, Inc.
|
4,567,274 | $136,333,128 |
All Filings in MIRM
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17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $709,449,207 | 7,679,684 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $536,746,607 | 6,795,121 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $498,150,320 | 6,795,121 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $345,803,707 | 6,795,121 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $306,120,201 | 6,795,121 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $271,685,709 | 6,570,392 | Shares | Sole | 2025-02-18 | |
| 2024-09-30 | $256,245,288 | 6,570,392 | Shares | Sole | 2024-11-15 | |
| 2024-06-30 | $222,077,452 | 6,495,392 | Shares | Sole | 2024-08-15 | |
| 2024-03-31 | $163,164,247 | 6,495,392 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $191,743,971 | 6,495,392 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $204,464,387 | 6,470,392 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $112,795,968 | 4,360,107 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $92,719,770 | 3,860,107 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $75,272,086 | 3,860,107 | Shares | Sole | 2023-02-07 | |
| 2022-09-30 | $80,421,678 | 3,827,781 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $69,412,107 | 3,566,912 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $78,543,402 | 3,566,912 | Shares | Sole | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||