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 9 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 |
|---|---|---|---|---|---|
| Deutsche Bank AG | 50,045 | $4.62M | 0.00% | −136,667−73.2% | Reduced |
| F/M Investments LLC | 50,911 | $4.70M | 0.31% | −2,177−4.1% | Reduced |
| Rhumbline Advisers | 51,942 | $4.80M | 0.00% | +1,168+2.3% | Added |
| Manufacturers Life Insurance Company, The | 55,693 | $5.14M | 0.00% | +21,579+63.3% | Added |
| Bank of Montreal | 56,386 | $5.21M | 0.00% | −683−1.2% | Reduced |
| Thrivent Financial for Lutherans | 57,061 | $5.27M | 0.01% | +15,204+36.3% | Added |
| Principal Financial Group Inc | 57,369 | $5.30M | 0.00% | +25,710+81.2% | Added |
| Hillsdale Investment Management Inc. | 59,730 | $5.52M | 0.15% | +12,100+25.4% | Added |
| Squarepoint Ops LLC | 61,692 | $5.70M | 0.01% | −110,734−64.2% | Reduced |
| UBS Asset Management Americas Inc | 66,629 | $6.16M | 0.00% | +7,428+12.5% | Added |
| Arrowstreet Capital, Limited Partnership | 67,885 | $6.27M | 0.00% | −304,626−81.8% | Reduced |
| Voya Investment Management LLC | 68,815 | $6.36M | 0.01% | +1,066+1.6% | Added |
| Picton Mahoney Asset Management | 74,118 | $6.85M | 0.07% | +72,698+5,119.6% | Added |
| Swiss National Bank | 74,300 | $6.86M | 0.00% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 80,549 | $7.44M | 0.01% | +80,549 | New |
| Silvercrest Asset Management Group LLC | 80,991 | $7.48M | 0.05% | −9,065−10.1% | Reduced |
| SEI Investments Co | 81,109 | $7.49M | 0.01% | +35,031+76.0% | Added |
| JPMorgan Chase & Co | 90,664 | $7.97M | 0.00% | −6,722−6.9% | Reduced |
| ExodusPoint Capital Management, LP | 87,373 | $8.07M | 0.08% | +87,373 | New |
| Rhenman & Partners Asset Management AB | 92,605 | $8.55M | 1.06% | −13,650−12.8% | Reduced |
| Fisher Asset Management, LLC | 93,109 | $8.60M | 0.00% | +79,020+560.9% | Added |
| Hennion & Walsh Asset Management, Inc. | 93,592 | $8.65M | 0.29% | −4,702−4.8% | Reduced |
| Victory Capital Management Inc | 95,555 | $8.83M | 0.01% | +23,361+32.4% | Added |
| HealthInvest Partners AB | 195,768 | $9.40M | 3.03% | +106,083+118.3% | Added |
| Voloridge Investment Management, LLC | 104,099 | $9.62M | 0.04% | −193,851−65.1% | Reduced |
| Essex Investment Management Co LLC | 108,338 | $10.0M | 1.58% | −2,972−2.7% | Reduced |
| Highlander Partners, L.P. | 122,980 | $11.4M | 4.45% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 129,114 | $11.9M | 0.04% | +129,114 | New |
| Nicholas Investment Partners, LP | 131,303 | $12.1M | 0.88% | −82,088−38.5% | Reduced |
| PDT Partners, LLC | 145,379 | $13.4M | 0.79% | 00.0% | Unchanged |
| Rice Hall James & Associates, LLC | 147,037 | $13.6M | 0.76% | −17,412−10.6% | Reduced |
| Voleon Capital Management LP | 150,513 | $13.9M | 0.30% | −22,554−13.0% | Reduced |
| First Trust Advisors LP | 151,272 | $14.0M | 0.01% | +13,572+9.9% | Added |
| Citigroup Inc | 153,470 | $14.2M | 0.01% | +7,478+5.1% | Added |
| Legal & General Group Plc | 153,870 | $14.2M | 0.00% | −14,523−8.6% | Reduced |
| D. E. Shaw & Co., Inc. | 167,489 | $15.5M | 0.01% | −780,672−82.3% | Reduced |
| Segall Bryant & Hamill, LLC | 175,898 | $16.2M | 0.23% | −9,126−4.9% | Reduced |
| Handelsbanken Fonder AB | 194,000 | $17.9M | 0.06% | −19,500−9.1% | Reduced |
| Russell Investments Group, Ltd. | 197,093 | $18.2M | 0.02% | −12,081−5.8% | Reduced |
| Erste Asset Management GmbH | 210,000 | $18.5M | 0.17% | −40,000−16.0% | Reduced |
| Logos Global Management LP | 200,000 | $18.5M | 0.95% | −25,000−11.1% | Reduced |
| New York State Common Retirement Fund | 201,145 | $18.6M | 0.03% | −16,461−7.6% | Reduced |
| Ensign Peak Advisors, Inc | 202,473 | $18.7M | 0.03% | +68,500+51.1% | Added |
| Ameriprise Financial Inc | 219,255 | $20.3M | 0.00% | −52,225−19.2% | Reduced |
| Raymond James Financial Inc | 228,174 | $21.1M | 0.01% | −18,244−7.4% | Reduced |
| Patient Square Capital LP | 230,000 | $21.2M | 3.77% | −68,682−23.0% | Reduced |
| Nan Fung Trinity (HK) Ltd | 232,679 | $21.5M | 2.36% | +5,200+2.3% | Added |
| Emerald Mutual Fund Advisers Trust | 250,399 | $23.1M | 1.12% | +8,079+3.3% | Added |
| Penn Capital Management Co Inc | 256,767 | $23.8M | 1.84% | −25,151−8.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 265,631 | $24.5M | 0.03% | +8,403+3.3% | Added |
| Polar Capital Holdings Plc | 283,484 | $26.2M | 0.11% | −510,158−64.3% | Reduced |
| Invesco Ltd. | 285,236 | $26.4M | 0.00% | +220,285+339.2% | Added |
| Hood River Capital Management LLC | 285,384 | $26.4M | 0.26% | +5,356+1.9% | Added |
| Massachusetts Financial Services Co | 286,406 | $26.5M | 0.01% | +286,406 | New |
| Ra Capital Management, L.P. | 318,554 | $29.4M | 0.31% | +318,554 | New |
| Palo Alto Investors LP | 325,175 | $30.0M | 4.59% | +168,754+107.9% | Added |
| Trails Edge Capital Partners, LP | 333,312 | $30.8M | 7.25% | +301,450+946.1% | Added |
| Vanguard Fiduciary Trust Co | 333,327 | $30.8M | 0.01% | +333,327 | New |
| William Blair Investment Management, LLC | 335,669 | $31.0M | 0.10% | −1,032−0.3% | Reduced |
| Octagon Capital Advisors LP | 338,900 | $31.3M | 3.46% | +338,900 | New |
| Point72 Asset Management, L.P. | 346,991 | $32.1M | 0.06% | +156,353+82.0% | Added |
| Millennium Management LLC | 368,575 | $34.0M | 0.03% | +124,302+50.9% | Added |
| Adage Capital Partners GP, L.L.C. | 375,000 | $34.6M | 0.05% | −92,468−19.8% | Reduced |
| TimesSquare Capital Management, LLC | 376,473 | $34.8M | 0.59% | −19,354−4.9% | Reduced |
| Next Century Growth Investors LLC | 385,539 | $35.6M | 2.58% | +17,504+4.8% | Added |
| Northern Trust Corp | 394,920 | $36.5M | 0.00% | +20,056+5.4% | Added |
| Emerald Advisers, LLC | 397,263 | $36.7M | 1.16% | +30,129+8.2% | Added |
| Soleus Capital Management, L.P. | 400,306 | $37.0M | 1.50% | −173,308−30.2% | Reduced |
| First Turn Management, LLC | 400,464 | $37.0M | 4.13% | −81,100−16.8% | Reduced |
| Nomura Asset Management International Inc. | 405,321 | $37.4M | 0.06% | −16,524−3.9% | Reduced |
| Boone Capital Management LLC | 421,236 | $38.9M | 11.92% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 423,511 | $39.1M | 0.04% | −153,763−26.6% | Reduced |
| Charles Schwab Investment Management Inc | 427,090 | $39.5M | 0.01% | +17,804+4.4% | Added |
| Baker Bros. Advisors LP | 445,975 | $41.2M | 0.24% | +445,975 | New |
| Candriam Luxembourg S.C.A. | 464,216 | $42.9M | 0.22% | −105,374−18.5% | Reduced |
| Nuveen, LLC | 474,227 | $43.8M | 0.01% | −28,818−5.7% | Reduced |
| Loomis Sayles & Co L P | 475,324 | $43.9M | 0.06% | −39,657−7.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 479,476 | $44.3M | 0.10% | −42,176−8.1% | Reduced |
| UBS Group AG | 494,994 | $45.7M | 0.01% | +174,211+54.3% | Added |
| Federated Hermes, Inc. | 506,211 | $46.8M | 0.08% | +24,250+5.0% | Added |
| Morgan Stanley | 524,566 | $48.5M | 0.00% | +98,881+23.2% | Added |
| Balyasny Asset Management LLC | 539,031 | $49.8M | 0.10% | +253,161+88.6% | Added |
| Woodline Partners LP | 567,894 | $52.5M | 0.20% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 582,085 | $53.8M | 0.08% | +143,000+32.6% | Added |
| Bank of New York Mellon Corp | 584,523 | $54.0M | 0.01% | +18,944+3.3% | Added |
| Lord, Abbett & Co. LLC | 617,064 | $57.0M | 0.19% | +37,081+6.4% | Added |
| Paradigm Biocapital Advisors LP | 625,000 | $57.7M | 1.18% | +625,000 | New |
| Goldman Sachs Group Inc | 662,306 | $61.2M | 0.01% | −62,011−8.6% | Reduced |
| Clearbridge Investments, LLC | 671,870 | $62.1M | 0.05% | −194,097−22.4% | Reduced |
| Franklin Resources Inc | 714,804 | $66.0M | 0.02% | +64,089+9.8% | Added |
| Bank of America Corp | 722,177 | $66.7M | 0.00% | +8,725+1.2% | Added |
| Capital World Investors | 724,415 | $66.9M | 0.01% | +724,415 | New |
| Two Sigma Investments, LP | 774,841 | $71.6M | 0.06% | +386,299+99.4% | Added |
| Rock Springs Capital Management LP | 811,294 | $74.9M | 4.42% | +49,000+6.4% | Added |
| BNP Paribas Arbitrage, SA | 911,419 | $84.2M | 0.06% | +255,641+39.0% | Added |
| Citadel Advisors LLC | 1,052,048 | $97.2M | 0.07% | +211,828+25.2% | Added |
| TCG Crossover Management, LLC | 1,062,049 | $98.1M | 2.81% | +1,000,000+1,611.6% | Added |
| Tang Capital Management LLC | 1,236,027 | $114.2M | 5.80% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,260,003 | $116.4M | 0.01% | +197,077+18.5% | Added |
| Novo Holdings A/S | 1,325,000 | $122.4M | 9.92% | +60,972+4.8% | Added |