MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Position in MIRM — Mirum Pharmaceuticals, Inc.
CIK 912938
Boston, MA
Position in MIRM
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$26,458,185
New position
Shares Held
286,406
first reported quarter
Ownership
0.470%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2026
1 quarter on record
Voting authority
Sole 98.87642018672793.ToString("F0")%
Shared 1.1235798132720682.ToString("F0")%
None 0.ToString("F0")%
Position in Biotechnology
Healthcare · as of Mar 31, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $1,374,765,738 across 53 Biotechnology names. MIRM ranks #9 (1.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ASND |
Ascendis Pharma A/S
|
1,860,669 | $425,590,816 | |
| 2 | TECH |
BIO-TECHNE Corp
|
3,733,248 | $195,099,537 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
496,004 | $164,112,841 | |
| 4 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
327,498 | $146,240,953 | |
| 5 | LGND |
Ligand Pharmaceuticals Inc
|
411,543 | $82,164,559 | |
| 6 | BNTX |
BioNTech SE
|
670,514 | $59,595,283 | |
| 7 | IONS |
Ionis Pharmaceuticals Inc
|
666,116 | $50,018,650 | |
| 8 | INCY |
Incyte Corp
|
410,729 | $38,657,809 |
All Filings in MIRM
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $26,458,185 | 286,406 | Shares | Defined | 2026-05-14 | |
| No filing history on record for this holder in this stock. | ||||||