Mirum PharmaceuticalsMIRM
13F holders, Q2 2026 (June 30)326holders +15
58new positions
43sold out
6famous investors
$117.08avg. 13F price*
At the end of Q2 2026, 326 institutions reported holding Mirum Pharmaceuticals Inc. (MIRM) in their 13F filings, up 15 from Q1 2026. 58 opened new positions and 43 sold out. The largest holders were Frazier Life Sciences Management, L.P. ($899.1M), Jupiter Topco LLC ($691.7M) and BlackRock, Inc. ($513.9M). 6 famous investors held it, including Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Fisher (0.0% of Fisher Asset Management's portfolio).
- Company
- Mirum Pharmaceuticals Inc.
- CUSIP
- 604749101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 58 | $103.2M |
| Exits | 43 | $259.2M |
All 13F filers, Q1 2026 → Q2 2026: 11,484,882 shares bought and 7,264,550 shares sold, net +4,220,332 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 326 holders
| Frazier Life Sciences Management, L.P. | 19.62% | No change | 7,679,684 | $899.1M |
| Jupiter Topco LLC | 0.28% | — | 5,909,184 | $691.7M |
| BlackRock, Inc. | 0.01% | Add +14.1% | 4,390,063 | $513.9M |
| FMR LLC | 0.02% | Add +86.8% | 3,670,314 | $429.7M |
| T. Rowe Price Associates Inc. | 0.03% | Add +54.6% | 2,655,607 | $310.9M |
| Vanguard Portfolio Management LLC | 0.01% | Add +66.0% | 2,377,019 | $278.3M |
| Vanguard Capital Management LLC | 0.01% | Reduce -6.7% | 2,254,109 | $263.9M |
| State Street Corp. | 0.01% | Add +11.6% | 2,170,689 | $254.1M |
| William Blair Investment Management, LLC | 0.49% | Add +318.5% | 1,404,741 | $164.5M |
| Geode Capital Management, LLC | 0.01% | Add +10.6% | 1,393,908 | $163.2M |
| Invesco Ltd. | 0.01% | Add +378.2% | 1,364,084 | $159.7M |
| Wellington Management Group LLP | 0.03% | Reduce -1.9% | 1,309,987 | $153.4M |
| Eventide Asset Management, LLC | 1.95% | Reduce -11.4% | 1,248,389 | $146.2M |
| Tang Capital Management LLC | 6.61% | No change | 1,236,027 | $144.7M |
| Capital World Investors | 0.02% | Add +59.2% | 1,153,480 | $135.0M |
| Franklin Resources Inc. | 0.03% | Add +61.3% | 1,152,770 | $135.0M |
| Novo Holdings A/S | 7.65% | Reduce -15.1% | 1,125,000 | $131.7M |
| TCG Crossover Management, LLC | 2.99% | No change | 1,062,049 | $124.3M |
| BVF Inc. | 3.16% | Reduce -33.4% | 1,056,027 | $123.6M |
| Polar Capital Holdings Plc | 0.28% | Add +198.3% | 845,524 | $99.0M |
| Rock Springs Capital Management LP | 4.56% | Reduce -1.6% | 798,145 | $93.4M |
| Nomura Asset Management International Inc. | 0.13% | Add +85.5% | 752,044 | $88.0M |
| Ameriprise Financial Inc. | 0.02% | Add +231.4% | 726,694 | $85.1M |
| Two Sigma Investments, LP | 0.06% | Reduce -10.9% | 690,318 | $80.8M |
| Bank of New York Mellon Corp | 0.01% | Add +14.6% | 669,974 | $78.4M |
| Clearbridge Investments, LLC | 0.06% | Reduce -4.8% | 639,734 | $74.9M |
| BNP Paribas Financial Markets | 0.04% | Reduce -33.5% | 606,427 | $71.0M |
| Woodline Partners LP | 0.21% | No change | 567,894 | $66.5M |
| Bank of America Corp. | 0.00% | Reduce -22.2% | 561,724 | $65.8M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -17.0% | 549,874 | $64.4M |
| Lord, Abbett & Co. LLC | 0.19% | Reduce -12.3% | 540,977 | $63.3M |
| Pictet Asset Management Holding SA | 0.06% | Add +24.3% | 526,443 | $61.6M |
| Balyasny Asset Management L.P. | 0.11% | Reduce -9.3% | 489,170 | $57.3M |
| Emerald Advisers, LLC | 1.29% | Add +17.9% | 468,295 | $54.8M |
| Northern Trust Corp. | 0.01% | Add +14.5% | 452,036 | $52.9M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +5.2% | 449,429 | $52.6M |
| Baker Bros. Advisors LP | 0.26% | No change | 445,975 | $52.2M |
| Loomis Sayles & Co. L P | 0.07% | Reduce -6.7% | 443,636 | $51.9M |
| Renaissance Technologies | 0.07% | Reduce -24.0% | 442,185 | $51.8M |
| Federated Hermes, Inc. | 0.07% | Reduce -13.7% | 436,635 | $51.1M |
| Next Century Growth Investors LLC | 2.61% | Add +9.0% | 420,213 | $49.2M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.09% | Reduce -12.4% | 420,063 | $49.2M |
| Boone Capital Management LLC | 11.38% | Reduce -1.3% | 415,641 | $48.7M |
| Massachusetts Financial Services Co. | 0.01% | Add +34.3% | 384,570 | $45.0M |
| UBS Group AG | 0.01% | Reduce -23.3% | 379,760 | $44.5M |
| Candriam S.C.A. | 0.20% | Reduce -19.0% | 376,143 | $44.0M |
| TimesSquare Capital Management, LLC | 0.63% | Reduce -2.4% | 367,281 | $43.0M |
| Morgan Stanley | 0.00% | Reduce -33.0% | 351,404 | $41.1M |
| Adage Capital Partners Gp, L.L.C. | 0.06% | Reduce -6.7% | 350,000 | $41.0M |
| Palo Alto Investors LP | 5.64% | Add +7.3% | 348,808 | $40.8M |
| Vanguard Fiduciary Trust Co. | 0.01% | Add +4.5% | 348,230 | $40.8M |
| Octagon Capital Advisors LP | 3.64% | No change | 338,900 | $39.7M |
| Panagora Asset Management Inc. | 0.12% | Add +161.4% | 337,461 | $39.5M |
| Nuveen, LLC | 0.01% | Reduce -30.6% | 329,282 | $38.5M |
| Ra Capital Management, L.P. | 0.32% | No change | 318,554 | $37.3M |
| Hood River Capital Management LLC | 0.26% | Add +7.4% | 306,439 | $35.9M |
| Penn Capital Management Company, LLC | 2.22% | Add +16.4% | 298,914 | $35.1M |
| Emerald Mutual Fund Advisers Trust | 1.19% | Add +15.6% | 289,372 | $33.9M |
| Patient Square Capital LP | 4.72% | Add +13.3% | 260,500 | $30.5M |
| New York State Common Retirement Fund | 0.04% | Add +24.6% | 250,558 | $29.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.03% | Reduce -6.3% | 248,963 | $29.2M |
| Raymond James Financial Inc. | 0.01% | Add +2.3% | 233,311 | $27.3M |
| Nan Fung Trinity (hk) Ltd. | 2.69% | No change | 232,679 | $27.2M |
| Trails Edge Capital Partners, LP | 4.15% | Reduce -33.0% | 223,312 | $26.1M |
| Russell Investments Group, Ltd. | 0.02% | Add +11.3% | 219,462 | $25.7M |
| First Turn Management, LLC | 2.73% | Reduce -45.5% | 218,051 | $25.5M |
| Erste Asset Management GmbH | 0.20% | Reduce -2.4% | 205,000 | $25.2M |
| Handelsbanken Fonder AB | 0.07% | Add +1.6% | 197,179 | $23.1M |
| Segall Bryant & Hamill, LLC | 0.25% | Add +1.8% | 178,980 | $21.0M |
| Ensign Peak Advisors, Inc | 0.03% | Reduce -13.3% | 175,598 | $20.6M |
| Nicholas Investment Partners, LP | 1.30% | Add +31.5% | 172,695 | $20.2M |
| Citigroup Inc. | 0.01% | Add +7.6% | 165,136 | $19.3M |
| Legal & General Group Plc | 0.00% | Add +3.5% | 159,231 | $18.6M |
| Neuberger Berman Group LLC | 0.01% | Add +73.1% | 139,447 | $16.3M |
| Rhenman & Partners Asset Management AB | 1.54% | Add +50.3% | 139,205 | $16.3M |
| First Trust Advisors LP | 0.01% | Reduce -10.0% | 136,141 | $15.9M |
| Highlander Partners, L.P. | 4.83% | No change | 122,980 | $14.4M |
| PDT Partners, LLC | 0.75% | Reduce -16.1% | 122,041 | $14.3M |
| Perceptive Advisors LLC | 0.21% | New | 115,391 | $13.5M |
| Rice Hall James & Associates, LLC | 0.63% | Reduce -24.7% | 110,673 | $13.0M |
| Seven Fleet Capital Management LP | 2.13% | New | 110,393 | $12.9M |
| Essex Investment Management Co. LLC | 1.62% | Reduce -2.5% | 105,669 | $12.4M |
| Principal Financial Group Inc. | 0.01% | Add +77.6% | 101,900 | $11.9M |
| Capricorn Fund Managers Ltd | 0.95% | New | 101,240 | $11.9M |
| Atle Fund Management AB | 3.17% | Reduce -48.5% | 100,807 | $11.8M |
| Millennium Management | 0.01% | Reduce -73.9% | 96,213 | $11.3M |
| Peregrine Capital Management LLC | 0.34% | New | 88,820 | $10.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -10.7% | 81,001 | $10.2M |
| Voya Investment Management LLC | 0.01% | Add +25.4% | 86,257 | $10.1M |
| Swiss National Bank | 0.01% | Add +14.1% | 84,800 | $9.9M |
| Voleon Capital Management LP | 0.18% | Reduce -44.9% | 82,877 | $9.7M |
| Fisher Asset Management | 0.00% | Reduce -11.4% | 82,476 | $9.7M |
| Deutsche Bank AG | 0.00% | Add +63.0% | 81,586 | $9.6M |
| Silvercrest Asset Management Group LLC | 0.06% | Reduce -4.6% | 77,278 | $9.0M |
| Soleus Capital Management, L.P. | 0.30% | Reduce -81.3% | 75,000 | $8.8M |
| Manufacturers Life Insurance Company, The | 0.01% | Add +34.2% | 74,750 | $8.8M |
| Alyeska Investment Group, L.P. | 0.02% | Add +117.2% | 73,959 | $8.7M |
| Sei Investments Co. | 0.01% | Reduce -12.0% | 71,412 | $8.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +3.1% | 68,725 | $8.0M |
| Aristeia Capital, L.L.C. | 0.28% | New | 64,475 | $7.5M |
"% of holder's portfolio" is MIRM's weight in each manager's 13F, not the share of Mirum Pharmaceuticals Inc. the manager owns.