TimesSquare Capital Management, LLC
Position in MIRM — Mirum Pharmaceuticals, Inc.
CIK 1313816
NEW YORK, NY
Position in MIRM
as of Mar 31, 2026
· filed May 7, 2026
Position Value
$34,778,575
+$3,512,201 QoQ
Shares Held
376,473
-4.9% QoQ
Ownership
0.617%
of shares outstanding
% of Portfolio
0.59%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 92.94849829868276.ToString("F0")%
Shared 0.ToString("F0")%
None 7.051501701317226.ToString("F0")%
Common Shares in MIRM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026TimesSquare Capital Management, LLC holds $398,607,399 across 16 Biotechnology names. MIRM ranks #3 (8.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | INSM |
INSMED Inc
|
584,798 | $95,626,168 | |
| 2 | ARGX |
Argenx SE
|
83,117 | $60,696,189 | |
| 3 | MIRM |
Mirum Pharmaceuticals, Inc.
This page
|
376,473 | $34,778,575 | |
| 4 | KRYS |
Krystal Biotech, Inc.
|
112,342 | $29,020,185 | |
| 5 | TARS |
Tarsus Pharmaceuticals, Inc.
|
388,590 | $27,259,588 | |
| 6 | NAMS |
NewAmsterdam Pharma Co N.V.
|
751,988 | $24,071,135 | |
| 7 | XENE |
Xenon Pharmaceuticals Inc.
|
359,293 | $20,892,887 | |
| 8 | IONS |
Ionis Pharmaceuticals Inc
|
275,674 | $20,700,360 |
All Filings in MIRM
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $34,778,575 | 376,473 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $31,266,374 | 395,827 | Shares | Sole | 2026-02-06 | |
| 2025-09-30 | $22,040,578 | 300,649 | Shares | Sole | 2025-11-07 | |
| No filing history on record for this holder in this stock. | ||||||