Position in MIRM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$30,039,666
+$17,683,972 QoQ
Shares Held
325,175
+107.9% QoQ
Ownership
0.533%
of shares outstanding
% of Portfolio
4.59%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2021
18 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, 2026Palo Alto Investors LP holds $542,554,052 across 38 Biotechnology names. MIRM ranks #6 (5.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INSM |
INSMED Inc
|
415,269 | $67,904,786 | |
| 2 | ACAD |
Acadia Pharmaceuticals Inc
|
2,872,695 | $63,946,190 | |
| 3 | PTCT |
Ptc Therapeutics, Inc.
|
921,607 | $62,789,084 | |
| 4 | BMRN |
Biomarin Pharmaceutical Inc
|
685,182 | $38,705,931 | |
| 5 | ANAB |
Anaptysbio, Inc
|
638,161 | $35,392,409 | |
| 6 | MIRM |
Mirum Pharmaceuticals, Inc.
This page
|
325,175 | $30,039,666 | |
| 7 | DYN |
Dyne Therapeutics, Inc.
|
1,652,972 | $29,968,382 | |
| 8 | IRON |
Disc Medicine, Inc.
|
401,719 | $25,685,912 |
All Filings in MIRM
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18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $30,039,666 | 325,175 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $12,355,694 | 156,421 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $4,743,157 | 64,700 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $3,292,583 | 64,700 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,914,735 | 64,700 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $2,675,345 | 64,700 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $2,523,300 | 64,700 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $2,212,093 | 64,700 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $1,625,264 | 64,700 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $1,909,944 | 64,700 | Shares | Sole | 2024-02-15 | |
| 2023-09-30 | $2,044,520 | 64,700 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,673,789 | 64,700 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,554,094 | 64,700 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $1,261,650 | 64,700 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $1,359,347 | 64,700 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,259,062 | 64,700 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,424,694 | 64,700 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $1,031,965 | 64,700 | Shares | Sole | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||