Security key
604749101
Mirum Pharmaceuticals, Inc. - Common Stock (MIRM)
CUSIP: 604749101
Q1 2021 13F Holders as of 31 Mar 2021
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 21,451,984
- Total 13F value
- $425,174,000
- Share change
- -558,639
- SEC-reported price per share
- $19.82
- Number of holders
- 60
- Value change
- -$8,433,468
- Number of buys
- 30
- Number of sells
- 35
- Shares outstanding
- 60,799,281
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2021
Institutions
60
Top holders
10
MIRM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2021
Previous quarter: Q4 2020
Mirum Pharmaceuticals, Inc. SEC filings
Mirum Pharmaceuticals, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 604749101
Recent filing periods:
Ownership snapshot
Top reported holders of MIRM - Mirum Pharmaceuticals, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
NEA Management Company, LLC
Disclosed value leader
NEA Management Company, LLC
Comparable rows
15/15
Latest evidence
31 Dec 2020
13F
Lead comparable stake: 6.9%
Showing 1-6 of 15 holder rows.
Quick read
NEA Management Company, LLC leads the comparable SEC ownership view at 6.9%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens NEA Management Company, LLC's linked filing trail.
Comparable ownership
Top 5
NEA Management Company, LLC
6.9%
FRAZIER MANAGEMENT LLC
5.9%
DEERFIELD MANAGEMENT COMPANY, L.P.
5.7%
Novo Holdings A/S
4%
RiverVest Venture Management LLC
3.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| NEA Management Company, LLC |
13F
Company
|
6.9%
|
$73,119,000
4,187,801 shares
|
— | 31 Dec 2020 |
| FRAZIER MANAGEMENT LLC |
13F
Company
|
5.9%
|
$62,278,000
3,566,912 shares
|
— | 31 Dec 2020 |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
Company
|
5.7%
|
$60,218,000
3,448,912 shares
|
— | 31 Dec 2020 |
| Novo Holdings A/S |
13F
Company
|
4%
|
$42,692,000
2,445,147 shares
|
— | 31 Dec 2020 |
| RiverVest Venture Management LLC |
13F
Company
|
3.2%
|
$33,543
1,921,118 shares
|
— | 31 Dec 2020 |
| Rock Springs Capital Management LP |
13F
Company
|
2.5%
|
$26,129,000
1,496,525 shares
|
— | 31 Dec 2020 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
60
Shares
21,451,984
Rows available
60
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2021 vs Q4 2020 Across Filers
Q4 2020 holders
71
Q1 2021 holders
60
Holder diff
-11
| Investor | Q4 2020 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q4 2020 value | Q1 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend