Mirum Pharmaceuticals, Inc.
MIRM- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001759425
In the last 90 days, Mirum Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 10 sales; 326 institutions reported holding it in 13F filings for Q2 2026, worth $8.36B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Mirum Pharmaceuticals, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 311
- +32 vs. Q4 2025
- Shares held
- 68.2M
- +10.1M (+17.3%) vs. Q4 2025
- Total value
- $6.29B
- +$1.70B (+37.0%) vs. Q4 2025
- New holders
- 67
- 116 more added
- Sold out
- 35
- 88 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MIRM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 326 | $8.36B |
| Q1 2026 | 311 | $6.29B |
| Q4 2025 | 284 | $4.82B |
| Q3 2025 | 272 | $4.20B |
| Q2 2025 | 214 | $2.82B |
| Q1 2025 | 214 | $2.44B |
| Q4 2024 | 205 | $2.19B |
| Q3 2024 | 178 | $2.08B |
| Q2 2024 | 161 | $1.83B |
| Q1 2024 | 172 | $1.34B |
| Q4 2023 | 187 | $1.48B |
| Q3 2023 | 159 | $1.55B |
| Q2 2023 | 146 | $955.6M |
| Q1 2023 | 117 | $832.9M |
| Q4 2022 | 104 | $650.2M |
| Q3 2022 | 112 | $709.1M |
| Q2 2022 | 110 | $569.4M |
| Q1 2022 | 99 | $590.4M |
| Q4 2021 | 86 | $395.7M |
| Q3 2021 | 73 | $465.0M |
| Q2 2021 | 67 | $404.6M |
| Q1 2021 | 61 | $463.3M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Mirum Pharmaceuticals, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 7,679,684 | $709.4M | 18.25% | +884,563+13.0% | Added |
| Janus Henderson Group PLC | 6,945,813 | $641.8M | 0.31% | +880,505+14.5% | Added |
| BlackRock, Inc. | 3,846,530 | $355.3M | 0.01% | +201,244+5.5% | Added |
| Vanguard Capital Management LLC | 2,414,776 | $223.1M | 0.01% | +2,414,776 | New |
| FMR LLC | 1,965,375 | $181.6M | 0.01% | +1,318,909+204.0% | Added |
| State Street Corp | 1,944,281 | $179.6M | 0.01% | −199,711−9.3% | Reduced |
| Price T Rowe Associates Inc | 1,717,421 | $158.7M | 0.02% | +297,046+20.9% | Added |
| BVF Inc | 1,584,727 | $146.4M | 4.66% | +89,437+6.0% | Added |
| Vanguard Portfolio Management LLC | 1,432,083 | $132.3M | 0.01% | +1,432,083 | New |
| Eventide Asset Management, LLC | 1,408,871 | $130.1M | 2.15% | −684,711−32.7% | Reduced |
| Wellington Management Group LLP | 1,334,809 | $123.3M | 0.02% | +96,979+7.8% | Added |
| Novo Holdings A/S | 1,325,000 | $122.4M | 9.92% | +60,972+4.8% | Added |
| Geode Capital Management, LLC | 1,260,003 | $116.4M | 0.01% | +197,077+18.5% | Added |
| Tang Capital Management LLC | 1,236,027 | $114.2M | 5.80% | 00.0% | Unchanged |
| TCG Crossover Management, LLC | 1,062,049 | $98.1M | 2.81% | +1,000,000+1,611.6% | Added |
| Citadel Advisors LLC | 1,052,048 | $97.2M | 0.07% | +211,828+25.2% | Added |
| BNP Paribas Arbitrage, SA | 911,419 | $84.2M | 0.06% | +255,641+39.0% | Added |
| Rock Springs Capital Management LP | 811,294 | $74.9M | 4.42% | +49,000+6.4% | Added |
| Two Sigma Investments, LP | 774,841 | $71.6M | 0.06% | +386,299+99.4% | Added |
| Capital World Investors | 724,415 | $66.9M | 0.01% | +724,415 | New |
| Bank of America Corp | 722,177 | $66.7M | 0.00% | +8,725+1.2% | Added |
| Franklin Resources Inc | 714,804 | $66.0M | 0.02% | +64,089+9.8% | Added |
| Clearbridge Investments, LLC | 671,870 | $62.1M | 0.05% | −194,097−22.4% | Reduced |
| Goldman Sachs Group Inc | 662,306 | $61.2M | 0.01% | −62,011−8.6% | Reduced |
| Paradigm Biocapital Advisors LP | 625,000 | $57.7M | 1.18% | +625,000 | New |
| Lord, Abbett & Co. LLC | 617,064 | $57.0M | 0.19% | +37,081+6.4% | Added |
| Bank of New York Mellon Corp | 584,523 | $54.0M | 0.01% | +18,944+3.3% | Added |
| Renaissance Technologies LLC | 582,085 | $53.8M | 0.08% | +143,000+32.6% | Added |
| Woodline Partners LP | 567,894 | $52.5M | 0.20% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 539,031 | $49.8M | 0.10% | +253,161+88.6% | Added |
| Morgan Stanley | 524,566 | $48.5M | 0.00% | +98,881+23.2% | Added |
| Federated Hermes, Inc. | 506,211 | $46.8M | 0.08% | +24,250+5.0% | Added |
| UBS Group AG | 494,994 | $45.7M | 0.01% | +174,211+54.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 479,476 | $44.3M | 0.10% | −42,176−8.1% | Reduced |
| Loomis Sayles & Co L P | 475,324 | $43.9M | 0.06% | −39,657−7.7% | Reduced |
| Nuveen, LLC | 474,227 | $43.8M | 0.01% | −28,818−5.7% | Reduced |
| Candriam Luxembourg S.C.A. | 464,216 | $42.9M | 0.22% | −105,374−18.5% | Reduced |
| Baker Bros. Advisors LP | 445,975 | $41.2M | 0.24% | +445,975 | New |
| Charles Schwab Investment Management Inc | 427,090 | $39.5M | 0.01% | +17,804+4.4% | Added |
| Pictet Asset Management Holding SA | 423,511 | $39.1M | 0.04% | −153,763−26.6% | Reduced |
| Boone Capital Management LLC | 421,236 | $38.9M | 11.92% | 00.0% | Unchanged |
| Nomura Asset Management International Inc. | 405,321 | $37.4M | 0.06% | −16,524−3.9% | Reduced |
| First Turn Management, LLC | 400,464 | $37.0M | 4.13% | −81,100−16.8% | Reduced |
| Soleus Capital Management, L.P. | 400,306 | $37.0M | 1.50% | −173,308−30.2% | Reduced |
| Emerald Advisers, LLC | 397,263 | $36.7M | 1.16% | +30,129+8.2% | Added |
| Northern Trust Corp | 394,920 | $36.5M | 0.00% | +20,056+5.4% | Added |
| Next Century Growth Investors LLC | 385,539 | $35.6M | 2.58% | +17,504+4.8% | Added |
| TimesSquare Capital Management, LLC | 376,473 | $34.8M | 0.59% | −19,354−4.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 375,000 | $34.6M | 0.05% | −92,468−19.8% | Reduced |
| Millennium Management LLC | 368,575 | $34.0M | 0.03% | +124,302+50.9% | Added |
| Point72 Asset Management, L.P. | 346,991 | $32.1M | 0.06% | +156,353+82.0% | Added |
| Octagon Capital Advisors LP | 338,900 | $31.3M | 3.46% | +338,900 | New |
| William Blair Investment Management, LLC | 335,669 | $31.0M | 0.10% | −1,032−0.3% | Reduced |
| Vanguard Fiduciary Trust Co | 333,327 | $30.8M | 0.01% | +333,327 | New |
| Trails Edge Capital Partners, LP | 333,312 | $30.8M | 7.25% | +301,450+946.1% | Added |
| Palo Alto Investors LP | 325,175 | $30.0M | 4.59% | +168,754+107.9% | Added |
| Ra Capital Management, L.P. | 318,554 | $29.4M | 0.31% | +318,554 | New |
| Massachusetts Financial Services Co | 286,406 | $26.5M | 0.01% | +286,406 | New |
| Hood River Capital Management LLC | 285,384 | $26.4M | 0.26% | +5,356+1.9% | Added |
| Invesco Ltd. | 285,236 | $26.4M | 0.00% | +220,285+339.2% | Added |
| Polar Capital Holdings Plc | 283,484 | $26.2M | 0.11% | −510,158−64.3% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 265,631 | $24.5M | 0.03% | +8,403+3.3% | Added |
| Penn Capital Management Co Inc | 256,767 | $23.8M | 1.84% | −25,151−8.9% | Reduced |
| Emerald Mutual Fund Advisers Trust | 250,399 | $23.1M | 1.12% | +8,079+3.3% | Added |
| Nan Fung Trinity (HK) Ltd | 232,679 | $21.5M | 2.36% | +5,200+2.3% | Added |
| Patient Square Capital LP | 230,000 | $21.2M | 3.77% | −68,682−23.0% | Reduced |
| Raymond James Financial Inc | 228,174 | $21.1M | 0.01% | −18,244−7.4% | Reduced |
| Ameriprise Financial Inc | 219,255 | $20.3M | 0.00% | −52,225−19.2% | Reduced |
| Ensign Peak Advisors, Inc | 202,473 | $18.7M | 0.03% | +68,500+51.1% | Added |
| New York State Common Retirement Fund | 201,145 | $18.6M | 0.03% | −16,461−7.6% | Reduced |
| Logos Global Management LP | 200,000 | $18.5M | 0.95% | −25,000−11.1% | Reduced |
| Erste Asset Management GmbH | 210,000 | $18.5M | 0.17% | −40,000−16.0% | Reduced |
| Russell Investments Group, Ltd. | 197,093 | $18.2M | 0.02% | −12,081−5.8% | Reduced |
| Handelsbanken Fonder AB | 194,000 | $17.9M | 0.06% | −19,500−9.1% | Reduced |
| Segall Bryant & Hamill, LLC | 175,898 | $16.2M | 0.23% | −9,126−4.9% | Reduced |
| D. E. Shaw & Co., Inc. | 167,489 | $15.5M | 0.01% | −780,672−82.3% | Reduced |
| Legal & General Group Plc | 153,870 | $14.2M | 0.00% | −14,523−8.6% | Reduced |
| Citigroup Inc | 153,470 | $14.2M | 0.01% | +7,478+5.1% | Added |
| First Trust Advisors LP | 151,272 | $14.0M | 0.01% | +13,572+9.9% | Added |
| Voleon Capital Management LP | 150,513 | $13.9M | 0.30% | −22,554−13.0% | Reduced |
| Rice Hall James & Associates, LLC | 147,037 | $13.6M | 0.76% | −17,412−10.6% | Reduced |
| PDT Partners, LLC | 145,379 | $13.4M | 0.79% | 00.0% | Unchanged |
| Nicholas Investment Partners, LP | 131,303 | $12.1M | 0.88% | −82,088−38.5% | Reduced |
| Panagora Asset Management Inc | 129,114 | $11.9M | 0.04% | +129,114 | New |
| Highlander Partners, L.P. | 122,980 | $11.4M | 4.45% | 00.0% | Unchanged |
| Essex Investment Management Co LLC | 108,338 | $10.0M | 1.58% | −2,972−2.7% | Reduced |
| Voloridge Investment Management, LLC | 104,099 | $9.62M | 0.04% | −193,851−65.1% | Reduced |
| HealthInvest Partners AB | 195,768 | $9.40M | 3.03% | +106,083+118.3% | Added |
| Victory Capital Management Inc | 95,555 | $8.83M | 0.01% | +23,361+32.4% | Added |
| Hennion & Walsh Asset Management, Inc. | 93,592 | $8.65M | 0.29% | −4,702−4.8% | Reduced |
| Fisher Asset Management, LLC | 93,109 | $8.60M | 0.00% | +79,020+560.9% | Added |
| Rhenman & Partners Asset Management AB | 92,605 | $8.55M | 1.06% | −13,650−12.8% | Reduced |
| ExodusPoint Capital Management, LP | 87,373 | $8.07M | 0.08% | +87,373 | New |
| JPMorgan Chase & Co | 90,664 | $7.97M | 0.00% | −6,722−6.9% | Reduced |
| SEI Investments Co | 81,109 | $7.49M | 0.01% | +35,031+76.0% | Added |
| Silvercrest Asset Management Group LLC | 80,991 | $7.48M | 0.05% | −9,065−10.1% | Reduced |
| Neuberger Berman Group LLC | 80,549 | $7.44M | 0.01% | +80,549 | New |
| Swiss National Bank | 74,300 | $6.86M | 0.00% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 74,118 | $6.85M | 0.07% | +72,698+5,119.6% | Added |
| Voya Investment Management LLC | 68,815 | $6.36M | 0.01% | +1,066+1.6% | Added |