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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, Q4 2025

Institutional positions in Mirum Pharmaceuticals, Inc. as of Dec 31, 2025. 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
284
+20 vs. Q3 2025
Shares held
61.0M
+4.11M (+7.2%) vs. Q3 2025
Total value
$4.82B
+$647.5M (+15.5%) vs. Q3 2025
New holders
62
104 more added
Sold out
42
79 more reduced

8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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.

Institutional holdersQ4 2025: 284 institutions
Q1 2021: 61 institutionsQ2 2021: 67 institutionsQ3 2021: 73 institutionsQ4 2021: 86 institutionsQ1 2022: 99 institutionsQ2 2022: 110 institutionsQ3 2022: 112 institutionsQ4 2022: 104 institutionsQ1 2023: 117 institutionsQ2 2023: 146 institutionsQ3 2023: 159 institutionsQ4 2023: 187 institutionsQ1 2024: 172 institutionsQ2 2024: 161 institutionsQ3 2024: 178 institutionsQ4 2024: 205 institutionsQ1 2025: 214 institutionsQ2 2025: 214 institutionsQ3 2025: 272 institutionsQ4 2025: 284 institutionsQ1 2026: 311 institutionsQ2 2026: 326 institutions
Value heldQ4 2025: $4.82B
Q1 2021: $463.3MQ2 2021: $404.6MQ3 2021: $465.0MQ4 2021: $395.7MQ1 2022: $590.4MQ2 2022: $569.4MQ3 2022: $709.1MQ4 2022: $650.2MQ1 2023: $832.9MQ2 2023: $955.6MQ3 2023: $1.55BQ4 2023: $1.48BQ1 2024: $1.34BQ2 2024: $1.83BQ3 2024: $2.08BQ4 2024: $2.19BQ1 2025: $2.44BQ2 2025: $2.82BQ3 2025: $4.20BQ4 2025: $4.82BQ1 2026: $6.29BQ2 2026: $8.36B
Institutions holding MIRM and their total value by quarter
QuarterHoldersValue
Q2 2026326$8.36B
Q1 2026311$6.29B
Q4 2025284$4.82B
Q3 2025272$4.20B
Q2 2025214$2.82B
Q1 2025214$2.44B
Q4 2024205$2.19B
Q3 2024178$2.08B
Q2 2024161$1.83B
Q1 2024172$1.34B
Q4 2023187$1.48B
Q3 2023159$1.55B
Q2 2023146$955.6M
Q1 2023117$832.9M
Q4 2022104$650.2M
Q3 2022112$709.1M
Q2 2022110$569.4M
Q1 202299$590.4M
Q4 202186$395.7M
Q3 202173$465.0M
Q2 202167$404.6M
Q1 202161$463.3M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Mirum Pharmaceuticals, Inc.; share changes are against Q3 2025.

Institutions holding MIRM in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Essex Investment Management Co LLC111,310$8.79M1.34%−2,148−1.9%Reduced
Wells Fargo & Company115,437$9.12M0.00%+88,372+326.5%Added
Highlander Partners, L.P.122,980$9.71M3.49%00.0%Unchanged
Ensign Peak Advisors, Inc133,973$10.6M0.02%00.0%Unchanged
First Trust Advisors LP137,700$10.9M0.01%−6,548−4.5%Reduced
Barclays PLC142,144$11.2M0.00%+26,373+22.8%Added
PDT Partners, LLC145,379$11.5M0.74%00.0%Unchanged
Citigroup Inc145,992$11.5M0.01%−1,260−0.9%Reduced
Palo Alto Investors LP156,421$12.4M1.72%+91,721+141.8%Added
Rice Hall James & Associates, LLC164,449$13.0M0.72%−297−0.2%Reduced
Legal & General Group Plc168,393$13.3M0.00%+1,163+0.7%Added
Squarepoint Ops LLC172,426$13.6M0.03%+44,523+34.8%Added
Voleon Capital Management LP173,067$13.7M0.29%+86,538+100.0%Added
Algert Global LLC174,189$13.8M0.21%−16,410−8.6%Reduced
Segall Bryant & Hamill, LLC185,024$14.6M0.20%+185,024New
Deutsche Bank AG186,712$14.7M0.00%+2,382+1.3%Added
Point72 Asset Management, L.P.190,638$15.1M0.02%−600,037−75.9%Reduced
Russell Investments Group, Ltd.209,174$16.5M0.02%−69,589−25.0%Reduced
Nicholas Investment Partners, LP213,391$16.9M1.23%−3,677−1.7%Reduced
Handelsbanken Fonder AB213,500$16.9M0.05%+213,500New
New York State Common Retirement Fund217,606$17.2M0.02%−25,781−10.6%Reduced
Logos Global Management LP225,000$17.8M1.18%+225,000New
Nan Fung Trinity (HK) Ltd227,479$18.0M1.42%+71,214+45.6%Added
Two Sigma Advisers, LP232,100$18.3M0.04%−44,300−16.0%Reduced
Emerald Mutual Fund Advisers Trust242,320$19.1M0.93%+23,282+10.6%Added
Millennium Management LLC244,273$19.3M0.01%−64,758−21.0%Reduced
Raymond James Financial Inc246,418$19.5M0.01%−5,315−2.1%Reduced
Erste Asset Management GmbH250,000$19.8M0.17%00.0%Unchanged
BNP PARIBAS ASSET MANAGEMENT Holding S.A.257,228$20.3M0.02%+257,228New
Perceptive Advisors LLC259,545$20.5M0.38%+259,545New
Norges Bank263,175$20.8M0.00%+263,175New
Ameriprise Financial Inc271,480$21.4M0.00%+68,412+33.7%Added
Hood River Capital Management LLC280,028$22.1M0.24%+280,028New
Penn Capital Management Co Inc281,918$22.3M1.78%−26,073−8.5%Reduced
Balyasny Asset Management LLC285,870$22.6M0.04%−31,280−9.9%Reduced
Voloridge Investment Management, LLC297,950$23.5M0.08%−91,624−23.5%Reduced
Patient Square Capital LP298,682$23.6M5.05%+194,420+186.5%Added
UBS Group AG320,783$25.3M0.01%+44,941+16.3%Added
William Blair Investment Management, LLC336,701$26.6M0.07%+23,442+7.5%Added
Emerald Advisers, LLC367,134$29.0M0.89%−2,466−0.7%Reduced
Next Century Growth Investors LLC368,035$29.1M2.02%+7,101+2.0%Added
Arrowstreet Capital, Limited Partnership372,511$29.4M0.02%−239,807−39.2%Reduced
Northern Trust Corp374,864$29.6M0.00%−10,472−2.7%Reduced
Two Sigma Investments, LP388,542$30.7M0.05%+45,416+13.2%Added
TimesSquare Capital Management, LLC395,827$31.3M0.47%+95,178+31.7%Added
Charles Schwab Investment Management Inc409,286$32.3M0.01%+14,797+3.8%Added
Boone Capital Management LLC421,236$33.3M10.44%−114,496−21.4%Reduced
Nomura Asset Management International Inc.421,845$33.3M0.05%+421,845New
Morgan Stanley425,685$33.6M0.00%−244,464−36.5%Reduced
Renaissance Technologies LLC439,085$34.7M0.05%−74,363−14.5%Reduced
Adage Capital Partners GP, L.L.C.467,468$36.9M0.06%−30,000−6.0%Reduced
First Turn Management, LLC481,564$38.0M4.35%−89,005−15.6%Reduced
Federated Hermes, Inc.481,961$38.1M0.06%+135,439+39.1%Added
Nuveen, LLC503,045$39.7M0.01%−98,625−16.4%Reduced
Loomis Sayles & Co L P514,981$40.7M0.05%−24,059−4.5%Reduced
Connor, Clark & Lunn Investment Management Ltd.521,652$41.2M0.11%+25,676+5.2%Added
Bank of New York Mellon Corp565,579$44.7M0.01%+120,052+26.9%Added
Woodline Partners LP567,894$44.9M0.17%00.0%Unchanged
Candriam Luxembourg S.C.A.569,590$45.0M0.22%+166,564+41.3%Added
Soleus Capital Management, L.P.573,614$45.3M1.92%+424,918+285.8%Added
Pictet Asset Management Holding SA577,274$45.6M0.04%+35,997+6.7%Added
Lord, Abbett & Co. LLC579,983$45.8M0.14%−81,957−12.4%Reduced
FMR LLC646,466$51.1M0.00%+6,248+1.0%Added
Franklin Resources Inc650,715$51.4M0.01%+49,578+8.2%Added
BNP Paribas Arbitrage, SA655,778$51.8M0.03%+54,705+9.1%Added
Bank of America Corp713,452$56.4M0.00%+322,978+82.7%Added
Goldman Sachs Group Inc724,317$57.2M0.01%+273,479+60.7%Added
Rock Springs Capital Management LP762,294$60.2M3.09%+1,168+0.2%Added
Polar Capital Holdings Plc793,642$62.7M0.29%−26,910−3.3%Reduced
Citadel Advisors LLC840,220$66.4M0.05%−200,324−19.3%Reduced
Clearbridge Investments, LLC865,967$68.4M0.05%−137,836−13.7%Reduced
D. E. Shaw & Co., Inc.948,161$74.9M0.06%+24,652+2.7%Added
Geode Capital Management, LLC1,062,926$84.0M0.01%+52,904+5.2%Added
Tang Capital Management LLC1,236,027$97.6M4.82%00.0%Unchanged
Wellington Management Group LLP1,237,830$97.8M0.02%+447,141+56.6%Added
Novo Holdings A/S1,264,028$99.8M7.75%00.0%Unchanged
Price T Rowe Associates Inc1,420,375$112.2M0.01%+137,087+10.7%Added
BVF Inc1,495,290$118.1M3.98%00.0%Unchanged
Eventide Asset Management, LLC2,093,582$165.4M2.58%−428,981−17.0%Reduced
State Street Corp2,143,992$169.4M0.01%+797,088+59.2%Added
Vanguard Group Inc2,596,089$205.1M0.00%+50,720+2.0%Added
BlackRock, Inc.3,645,286$287.9M0.00%+42,852+1.2%Added
Janus Henderson Group PLC6,065,308$479.1M0.21%+1,067,722+21.4%Added
Frazier Life Sciences Management, L.P.6,795,121$536.7M14.42%00.0%Unchanged
Macquarie Group Ltd0$00.00%−393,212−100.0%Sold out
Jane Street Group, LLC0$00.00%−254,485−100.0%Sold out
Trexquant Investment LP0$00.00%−109,959−100.0%Sold out
1832 Asset Management L.P.0$00.00%−75,800−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−63,946−100.0%Sold out
Jain Global LLC0$00.00%−55,601−100.0%Sold out
Eversept Partners, LP0$00.00%−49,314−100.0%Sold out
Calamos Advisors LLC0$00.00%−43,250−100.0%Sold out
HRT Financial LP0$00.00%−26,697−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−23,566−100.0%Sold out
Wolverine Asset Management LLC0$00.00%−10,670−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−10,401−100.0%Sold out
Omers Administration Corp0$00.00%−10,100−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−10,082−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−10,004−100.0%Sold out
NEOS Investment Management LLC0$00.00%−8,957−100.0%Sold out