MIRM icon

Mirum Pharmaceuticals
MIRM

Overview Fund Activity

213 hedge funds and large institutions have $2.44B invested in Mirum Pharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 35 funds opening new positions, 85 increasing their positions, 66 reducing their positions, and 24 closing their positions.

Holders
213
Holders Change
+9
Holders Change %
+4.41%
% of All Funds
2.89%
Holding in Top 10
11
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.15%
New
35
Increased
85
Reduced
66
Closed
24
Calls
$2.43M
Puts
$4.78M
Net Calls
-$2.35M
Net Calls Change
+$1.12M

Top Buyers

1
NL
1
Nuveen LLC
North Carolina
$29.5M
2
PCH
2
Polar Capital Holdings
United Kingdom
$52.9M
3
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$24.5M
4
Macquarie Group
4
Macquarie Group
Australia
$16.5M
5
Federated Hermes
5
Federated Hermes
Pennsylvania
$15.6M

Top Sellers

1
APM
1
Avidity Partners Management
Texas
$1.8M
2
MB
2
MPM BioImpact
Massachusetts
$0
3
RSCM
3
Rock Springs Capital Management
Maryland
$42.9M
4
BBA
4
Baker Bros. Advisors
New York
$0
5
AAP
5
Ardsley Advisory Partners
Connecticut
$0
Name Market Value Shares Shares
Change 		Shares
Change %
FLSM
1
Frazier Life Sciences Management
California
$306M 6,795,121 +224,729 +3%
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$219M 4,766,109 +184,467 +4%
BlackRock
3
BlackRock
New York
$150M 3,339,557 -95,071 -3%
BI
4
BVF Inc
California
$126M 2,796,513 – –
Vanguard Group
5
Vanguard Group
Pennsylvania
$114M 2,540,061 +115,327 +5%
EAM
6
Eventide Asset Management
Massachusetts
$114M 2,527,000 -79,938 -3%
NHAS
7
Novo Holdings A/S
Denmark
$67.6M 1,500,000 – –
State Street
8
State Street
Massachusetts
$67.3M 1,494,566 +112,939 +8%
Citadel Advisors
9
Citadel Advisors
Florida
$65.1M 1,445,995 -65,188 -4%
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$63.8M 1,415,137 -7,592 -0.5%
TCM
11
Tang Capital Management
California
$55.7M 1,237,107 – –
PCH
12
Polar Capital Holdings
United Kingdom
$52.9M 1,175,000 +500,000 +74%
ClearBridge Investments
13
ClearBridge Investments
New York
$44.1M 978,067 +70,750 +8%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$43.4M 963,665 +20,321 +2%
RSCM
15
Rock Springs Capital Management
Maryland
$42.9M 951,765 -519,799 -35%
Lord, Abbett & Co
16
Lord, Abbett & Co
New Jersey
$36.6M 813,398 +31,044 +4%
Pictet Asset Management
17
Pictet Asset Management
Switzerland
$35.1M 778,244 -81,852 -10%
NL
18
Nuveen LLC
North Carolina
$29.5M 654,722 +654,722 New
Morgan Stanley
19
Morgan Stanley
New York
$27.3M 606,431 -151,949 -20%
BCM
20
Boone Capital Management
Georgia
$27.2M 603,318 +21,475 +4%
Franklin Resources
21
Franklin Resources
California
$26.7M 593,355 +2,693 +0.5%
WP
22
Woodline Partners
California
$25.5M 566,271 +161,867 +40%
Loomis, Sayles & Company
23
Loomis, Sayles & Company
Massachusetts
$25.5M 566,155 -11,869 -2%
D.E. Shaw & Co
24
D.E. Shaw & Co
New York
$24.5M 543,277 +385,925 +245%
FTM
25
First Turn Management
California
$22.7M 503,014 -3,894 -0.8%
1
2 3 4 5