MIRM
MIRUM REG S-AI (MIRM)
NASDAQ
$96.44+$0.13 (+0.13%)
Price as of Aug 21, 2026 7:30 PM EDT
  • $5.9B
    Market Cap
  • 34.66%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FRAZIER LIFE SCIENCES MANAGEMENT, L.P.
12.59%
7.7M
0 (0.00%)
Jun 30, 2026
JANUS HENDERSON GROUP PLC
11.39%
6.9M
+880,505 (+12.68%)
Mar 31, 2026
JUPITER TOPCO LLC
9.69%
5.9M
+5.9M (+100.00%)
Jun 30, 2026
N/A
9.69%
5.9M
+5.9M (+100.00%)
Jun 30, 2026
BLACKROCK, INC.
7.20%
4.4M
+543,533 (+12.38%)
Jun 30, 2026
FMR LLC
6.02%
3.7M
+1.7M (+46.45%)
Jun 30, 2026
FRAZIER MANAGEMENT LLC
5.85%
3.6M
0 (0.00%)
Dec 31, 2021

Current Ownership Distribution

  • Institutions916.4M (54.43%)
  • Mutual Funds729.1M (43.30%)
  • Insiders38.3M (2.27%)
  • Other0 (0.00%)

Insider Transactions

  • 2.27% (38.3M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $22.4M
    Amount of InsiderBuying (last 12 months)
  • 8
    Number of InsiderSelling (last 12 months)
  • $250.9M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Peetz Christopher
CHIEF EXECUTIVE OFFICER
Exempt
Aug 10, 2026
$0.00
20,000
$0.00
88,487
Peetz Christopher
CHIEF EXECUTIVE OFFICER
Exempt
Aug 10, 2026
$58,720.00
20,000
$2.94
214,309
Peetz Christopher
CHIEF EXECUTIVE OFFICER
Sell
Aug 10, 2026
$1.2M
11,683
$98.51
202,626
Peetz Christopher
CHIEF EXECUTIVE OFFICER
Sell
Aug 10, 2026
$597,187.25
6,017
$99.25
196,609
Peetz Christopher
CHIEF EXECUTIVE OFFICER
Sell
Aug 10, 2026
$230,322.00
2,300
$100.14
194,309
Howe Jolanda
SVP, GLOBAL CONTROLLER
Sell
Aug 03, 2026
$193,733.60
1,840
$105.29
1,274
BJERKHOLT ERIC
CHIEF FINANCIAL OFFICER
Sell
Jul 06, 2026
$380,097.08
3,124
$121.67
44,057
Peetz Christopher
CHIEF EXECUTIVE OFFICER
Exempt
Jul 06, 2026
$0.00
20,000
$0.00
108,487
BJERKHOLT ERIC
CHIEF FINANCIAL OFFICER
Sell
Jul 06, 2026
$128,306.64
1,048
$122.43
43,009
Peetz Christopher
CHIEF EXECUTIVE OFFICER
Exempt
Jul 06, 2026
$58,720.00
20,000
$2.94
214,309
BJERKHOLT ERIC
CHIEF FINANCIAL OFFICER
Sell
Jul 06, 2026
$65,387.52
528
$123.84
42,481
Peetz Christopher
CHIEF EXECUTIVE OFFICER
Sell
Jul 06, 2026
$1.5M
12,134
$121.65
202,175
BJERKHOLT ERIC
CHIEF FINANCIAL OFFICER
Sell
Jul 06, 2026
$37,482.00
300
$124.94
42,181
Peetz Christopher
CHIEF EXECUTIVE OFFICER
Sell
Jul 06, 2026
$511,503.54
4,181
$122.34
197,994
Peetz Christopher
CHIEF EXECUTIVE OFFICER
Sell
Jul 06, 2026
$244,386.50
1,975
$123.74
196,019
Peetz Christopher
CHIEF EXECUTIVE OFFICER
Sell
Jul 06, 2026
$213,390.90
1,710
$124.79
194,309
Howe Jolanda
SVP, GLOBAL CONTROLLER
Sell
Jul 01, 2026
$326,520.00
2,721
$120.00
3,114
Howe Jolanda
SVP, GLOBAL CONTROLLER
Sell
Jun 17, 2026
$264,458.30
2,594
$101.95
5,835
Fairey William
Award
Jun 15, 2026
$0.00
3,772
$0.00
3,772
Heron Patrick J
Award
Jun 15, 2026
$0.00
3,772
$0.00
3,772
Ramasastry Saira
Award
Jun 15, 2026
$0.00
3,772
$0.00
3,772
Walbert Timothy P
Award
Jun 15, 2026
$0.00
3,772
$0.00
3,772
Fairey William
Award
Jun 15, 2026
$0.00
1,980
$0.00
1,980
Heron Patrick J
Award
Jun 15, 2026
$0.00
1,980
$0.00
1,980
Cardon Lon
Award
Jun 15, 2026
$0.00
3,772
$0.00
3,772
GREY MICHAEL G
Award
Jun 15, 2026
$0.00
3,772
$0.00
3,772
Ramasastry Saira
Award
Jun 15, 2026
$0.00
1,980
$0.00
1,980
Walbert Timothy P
Award
Jun 15, 2026
$0.00
1,980
$0.00
1,980
Brege Laura
Award
Jun 15, 2026
$0.00
3,772
$0.00
3,772
GREY MICHAEL G
Award
Jun 15, 2026
$0.00
1,980
$0.00
1,980