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MIRUM REG S-AI (MIRM)
NASDAQ
$108.34+$0.57 (+0.53%)
Price as of Jun 23, 2026 2:48 PM EDT- $6.6BMarket Cap
- 114.36%1-Year Change
- BiotechnologyIndustry
MIRUM REG S-AI (MIRM)
$108.34+$0.57 (+0.53%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | 15.30% | 7.7M | +884,563 (+11.52%) | Mar 31, 2026 |
JANUS HENDERSON GROUP PLC | 13.84% | 6.9M | +880,505 (+12.68%) | Mar 31, 2026 |
BLACKROCK, INC. | 7.66% | 3.8M | +201,244 (+5.23%) | Mar 31, 2026 |
FRAZIER MANAGEMENT LLC | 7.11% | 3.6M | 0 (0.00%) | Dec 31, 2021 |
BLACKROCK FUNDING, INC. /DE | 6.84% | 3.4M | +66,471 (+1.94%) | Dec 31, 2024 |
DEERFIELD MANAGEMENT CO | 6.54% | 3.3M | 0 (0.00%) | Dec 31, 2021 |
BLACKROCK INC. | 6.45% | 3.2M | +785,776 (+24.27%) | Jun 30, 2024 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
Franklin Investors Securities Trust | 32.87% | 16.5M | 0 (0.00%) | Jan 31, 2026 |
MAINSTAY FUNDS | 27.67% | 13.9M | 0 (0.00%) | Jan 31, 2026 |
MAINSTAY VP FUNDS TRUST | 21.59% | 10.8M | 0 (0.00%) | Mar 31, 2026 |
COLUMBIA FUNDS SERIES TRUST | 9.96% | 5.0M | 0 (0.00%) | Jan 31, 2026 |
Columbia Funds Series Trust II | 9.96% | 5.0M | 0 (0.00%) | Jan 31, 2026 |
TRI-CONTINENTAL CORP | 6.97% | 3.5M | 0 (0.00%) | Mar 31, 2026 |
VANGUARD INDEX FUNDS | 6.74% | 3.4M | +1.6M (+46.02%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions839.9M (54.53%)
- Mutual Funds662.1M (42.99%)
- Insiders38.1M (2.48%)
- Other0 (0.00%)
Insider Transactions
- 2.48% (38.1M)Current InsiderOwnership (%, shares)
- 1Number of InsiderBuying (last 12 months)
- $22.4MAmount of InsiderBuying (last 12 months)
- 8Number of InsiderSelling (last 12 months)
- $90.6MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
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 |
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 |
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 |
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 |
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 |
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 |
Cardon Lon | Award | Jun 15, 2026 | $0.00 | 1,980 | $0.00 | 1,980 |
Brege Laura | Award | Jun 15, 2026 | $0.00 | 1,980 | $0.00 | 1,980 |
Ramasastry Saira | Exempt | Mar 16, 2026 | $0.00 | 2,000 | $0.00 | 4,000 |
Peetz Christopher CHIEF EXECUTIVE OFFICER | Sell | Mar 16, 2026 | $3.8M | 40,985 | $91.98 | 194,309 |
Howe Jolanda SVP, GLOBAL CONTROLLER | Sell | Mar 16, 2026 | $435,239.42 | 4,732 | $91.98 | 8,429 |
Quan Joanne CHIEF MEDICAL OFFICER | Sell | Mar 16, 2026 | $670,242.96 | 7,287 | $91.98 | 18,864 |
Ramasastry Saira | Exempt | Mar 16, 2026 | $47,020.00 | 2,000 | $23.51 | 2,000 |
Radovich Peter PRESIDENT AND COO | Sell | Mar 16, 2026 | $1.5M | 16,515 | $91.98 | 40,272 |
Ramasastry Saira | Sell | Mar 16, 2026 | $181,520.00 | 2,000 | $90.76 | 0 |
BJERKHOLT ERIC CHIEF FINANCIAL OFFICER | Sell | Mar 16, 2026 | $670,242.96 | 7,287 | $91.98 | 49,788 |
Peetz Christopher CHIEF EXECUTIVE OFFICER | Exempt | Mar 15, 2026 | $0.00 | 25,000 | $0.00 | 0 |
Howe Jolanda SVP, GLOBAL CONTROLLER | Exempt | Mar 15, 2026 | $0.00 | 2,658 | $0.00 | 0 |
Quan Joanne CHIEF MEDICAL OFFICER | Exempt | Mar 15, 2026 | $0.00 | 13,334 | $0.00 | 6,666 |
Radovich Peter PRESIDENT AND COO | Exempt | Mar 15, 2026 | $0.00 | 7,220 | $0.00 | 0 |
Peetz Christopher CHIEF EXECUTIVE OFFICER | Exempt | Mar 15, 2026 | $0.00 | 50,000 | $0.00 | 25,000 |
Howe Jolanda SVP, GLOBAL CONTROLLER | Exempt | Mar 15, 2026 | $0.00 | 6,000 | $0.00 | 3,000 |
Quan Joanne CHIEF MEDICAL OFFICER | Exempt | Mar 15, 2026 | $0.00 | 13,334 | $0.00 | 26,151 |