Who owns Mirum Pharmaceuticals, Inc.?
Institutional ownership of MIRM from SEC Form 13F filings across 200 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
200
13F holders
$4.88B
value, 2026 filers
74.2%
of shares outstanding (45.3M sh)
38
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of MIRM's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Jupiter Topco LLCNEW | 5.9M | $691.7M | 0.3% | 9.7% | new |
| 2 | BlackRock, Inc. | 4.4M | $513.9M | 0.0% | 7.2% | +14.1% |
| 3 | FMR LLC | 3.7M | $429.7M | 0.0% | 6% | +86.7% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | 2.7M | $310,893 | 0.0% | 4.4% | +54.6% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.4M | $278.3M | 0.0% | 3.9% | +66.0% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2.3M | $263.9M | 0.0% | 3.7% | -53.3% |
| 7 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.4M | $164.5M | 0.5% | 2.3% | +318.5% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $163.2M | 0.0% | 2.3% | +10.6% |
| 9 | Invesco Ltd. | 1.4M | $159.7M | 0.0% | 2.2% | +378.2% |
| 10 | WELLINGTON MANAGEMENT GROUP LLP | 1.3M | $153.4M | 0.0% | 2.1% | -1.9% |
| 11 | Capital World Investors | 1.2M | $135.0M | 0.0% | 1.9% | +59.2% |
| 12 | FRANKLIN RESOURCES INC | 1.2M | $135.0M | 0.0% | 1.9% | +61.3% |
| 13 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 752,044 | $88.0M | 0.1% | 1.2% | +85.5% |
| 14 | AMERIPRISE FINANCIAL INC | 726,694 | $85.1M | 0.0% | 1.2% | +231.4% |
| 15 | TWO SIGMA INVESTMENTS, LP | 690,318 | $80.8M | 0.1% | 1.1% | -10.9% |
| 16 | Bank of New York Mellon Corp | 669,974 | $78.4M | 0.0% | 1.1% | +14.6% |
| 17 | Clearbridge Investments, LLC | 639,734 | $74.9M | 0.1% | 1% | -4.8% |
| 18 | BNP PARIBAS FINANCIAL MARKETS | 606,427 | $71.0M | 0.0% | 1% | -33.5% |
| 19 | Woodline Partners LP | 567,894 | $66.5M | 0.2% | 0.9% | -50.0% |
| 20 | BANK OF AMERICA CORP /DE/ | 561,724 | $65.8M | 0.0% | 0.9% | -22.2% |
| 21 | GOLDMAN SACHS GROUP INC | 549,874 | $64.4M | 0.0% | 0.9% | -17.0% |
| 22 | LORD, ABBETT & CO. LLC | 540,977 | $63,332 | 0.2% | 0.9% | -12.3% |
| 23 | Pictet Asset Management Holding SA | 526,443 | $61.6M | 0.1% | 0.9% | +24.3% |
| 24 | Balyasny Asset Management L.P. | 489,170 | $57.3M | 0.1% | 0.8% | -9.3% |
| 25 | NORTHERN TRUST CORP | 452,036 | $52.9M | 0.0% | 0.7% | +14.5% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.