Mirum Pharmaceuticals, Inc. (MIRM) — Institutional Holders, Q2 2026

339 institutional investment managers reported a MIRM position on SEC Form 13F-HR for the quarter ended June 30, 2026, with a combined reported value of $8.6B. Every filer is listed below, ranked by position value, 100 per page; this page shows ranks 1 to 100. Put and call option positions are excluded, and a firm filing several lots or share classes is shown once with its total.

MIRM in Q2 2026: what funds did

Funds that filed a 13F for both Q1 2026 and Q2 2026, by what they did with the common stock. Share counts are adjusted for any split between the two quarters; dollar figures are the change in shares at this quarter’s price.

New positions

58

Added to

125

Trimmed

114

Sold out

48

Biggest buyers

  1. WILLIAM BLAIR INVESTMENT MANAGEMENTAdded · +1,069,072 sh+$125.2M
  2. VANGUARD PORTFOLIO MANAGEMENTAdded · +944,936 sh+$110.6M
  3. PRICE T ROWE ASSOCIATESAdded · +938,186 sh+$109.8M
  4. Polar Capital PlcAdded · +562,040 sh+$65.8M
  5. AMERIPRISE FINANCIALAdded · +507,439 sh+$59.4M

Biggest sellers

  1. BlackRockTrimmed · -4,606,467 sh-$539.3M
  2. CITADEL ADVISORSSold out · -1,052,048 sh-$123.2M
  3. Paradigm Biocapital AdvisorsSold out · -625,000 sh-$73.2M
  4. BVFTrimmed · -528,700 sh-$61.9M
  5. Soleus Capital Management, L.P.Trimmed · -325,306 sh-$38.1M

MIRM 13F holders ranked 1–100 of 339

Institutional investors reporting a position in Mirum Pharmaceuticals, Inc. on SEC Form 13F-HR for Q2 2026, ranked by reported value.
InstitutionValueQoQ
Frazier Life Sciences Management, L.P.#1 · 7,679,684 sh$899.1M0.0%
Jupiter Topco#2 · 5,909,184 sh$691.7M—
BlackRock#3 · 4,390,063 sh$513.9M-51.2%
FMR#4 · 7,083,314 sh$442.3M-16.9%
PRICE T ROWE ASSOCIATES#5 · 2,655,607 sh$310.9M+54.6%
VANGUARD PORTFOLIO MANAGEMENT#6 · 2,377,019 sh$278.3M+66.0%
VANGUARD CAPITAL MANAGEMENT#7 · 2,254,109 sh$263.9M-6.7%
STATE STREET#8 · 2,170,689 sh$254.1M+11.6%
WILLIAM BLAIR INVESTMENT MANAGEMENT#9 · 1,404,741 sh$164.5M+318.5%
GEODE CAPITAL MANAGEMENT#10 · 1,393,908 sh$163.2M+10.6%
Invesco Ltd.#11 · 1,364,084 sh$159.7M-1.5%
WELLINGTON MANAGEMENT GROUP LLP#12 · 1,309,987 sh$153.4M-1.9%
EVENTIDE ASSET MANAGEMENT#13 · 1,248,389 sh$146.2M-11.4%
TANG CAPITAL MANAGEMENT#14 · 1,236,027 sh$144.7M0.0%
Capital World Investors#15 · 1,153,480 sh$135.0M+59.2%
FRANKLIN RESOURCES#16 · 1,152,770 sh$135.0M-55.5%
Novo A/S#17 · 1,125,000 sh$131.7M-15.1%
TCG Crossover Management#18 · 1,062,049 sh$124.3M0.0%
BVF#19 · 1,056,027 sh$123.6M-33.4%
Polar Capital Plc#20 · 845,524 sh$99.0M+198.3%
Rock Springs Capital Management#21 · 798,145 sh$93.4M-1.6%
TENOR CAPITAL MANAGEMENT , L.P.#22 · 24,653,000 sh$91.7M-43.7%
BNP PARIBAS FINANCIAL MARKETS#23 · 5,968,427 sh$90.8M-74.3%
NOMURA ASSET MANAGEMENT INTERNATIONAL#24 · 752,044 sh$88.0M+85.5%
AMERIPRISE FINANCIAL#25 · 726,694 sh$85.1M+231.4%
TWO SIGMA INVESTMENTS#26 · 690,318 sh$80.8M-10.9%
Bank of New York Mellon#27 · 669,974 sh$78.4M+14.6%
Clearbridge Investments#28 · 639,734 sh$74.9M-4.8%
CAPSTONE INVESTMENT ADVISORS#29 · 18,448,000 sh$68.3M-31.7%
Woodline Partners#30 · 567,894 sh$66.5M0.0%
BANK OF AMERICA#31 · 561,724 sh$65.8M-22.2%
GOLDMAN SACHS GROUP#32 · 549,874 sh$64.4M-17.0%
LORD, ABBETT#33 · 540,977 sh$63.3M-92.1%
Pictet Asset Management Holding SA#34 · 526,443 sh$61.6M+24.3%
BALYASNY ASSET MANAGEMENT L.P.#35 · 489,170 sh$57.3M-9.3%
EMERALD ADVISERS#36 · 468,295 sh$54.8M+17.9%
NORTHERN#37 · 452,036 sh$52.9M+14.5%
CHARLES SCHWAB INVESTMENT MANAGEMENT#38 · 449,429 sh$52.6M+5.2%
BAKER BROS. ADVISORS#39 · 445,975 sh$52.2M0.0%
LOOMIS SAYLES & L P#40 · 443,636 sh$51.9M-6.7%
RENAISSANCE TECHNOLOGIES#41 · 442,185 sh$51.8M-24.0%
FEDERATED HERMES#42 · 436,635 sh$51.1M-13.7%
NEXT CENTURY GROWTH INVESTORS#43 · 420,213 sh$49.2M+9.0%
Connor, Clark & Lunn Investment Management Ltd.#44 · 420,063 sh$49.2M-12.4%
BOONE CAPITAL MANAGEMENT#45 · 415,641 sh$48.7M-1.3%
MASSACHUSETTS FINANCIAL SERVICES#46 · 384,570 sh$45.0M+34.3%
UBS Group AG#47 · 395,760 sh$44.5M-32.4%
Candriam S.C.A.#48 · 376,143 sh$44.0M-19.0%
TimesSquare Capital Management#49 · 367,281 sh$43.0M-2.4%
MORGAN STANLEY#50 · 569,404 sh$41.9M-21.4%
ADAGE CAPITAL PARTNERS GP, L.L.C.#51 · 350,000 sh$41.0M-6.7%
Palo Alto Investors#52 · 348,808 sh$40.8M+7.3%
VANGUARD FIDUCIARY#53 · 348,230 sh$40.8M+4.5%
Octagon Capital Advisors#54 · 338,900 sh$39.7M0.0%
PANAGORA ASSET MANAGEMENT#55 · 337,461 sh$39.5M+161.4%
Nuveen#56 · 329,282 sh$38.5M-30.6%
RA CAPITAL MANAGEMENT, L.P.#57 · 318,554 sh$37.3M0.0%
Hood River Capital Management#58 · 306,439 sh$35.9M+7.4%
Penn Capital Management Company#59 · 298,914 sh$35.1M+16.4%
EMERALD MUTUAL FUND ADVISERS#60 · 289,372 sh$33.9M+15.6%
Patient Square Capital#61 · 260,500 sh$30.5M+13.3%
NEW YORK STATE COMMON RETIREMENT FUND#62 · 250,558 sh$29.3M+24.6%
BNP Paribas Asset Management Holding S.A.#63 · 248,963 sh$29.2M-6.3%
Nicholas Investment Partners#64 · 2,122,695 sh$27.4M+2.0%
RAYMOND JAMES FINANCIAL#65 · 233,311 sh$27.3M+2.3%
NAN FUNG TRINITY (HK) Ltd#66 · 232,679 sh$27.2M0.0%
Trails Edge Capital Partners#67 · 223,312 sh$26.1M-33.0%
Russell Investments Group, Ltd.#68 · 219,462 sh$25.7M+11.3%
First Turn Management#69 · 218,051 sh$25.5M-45.6%
Erste Asset Management GmbH#70 · 205,000 sh$25.2M-2.4%
Handelsbanken Fonder AB#71 · 197,179 sh$23.1M+1.6%
SEGALL BRYANT & HAMILL#72 · 178,980 sh$21.0MNew
Ensign Peak Advisors#73 · 175,598 sh$20.6M-13.3%
READYSTATE ASSET MANAGEMENT#74 · 5,534,000 sh$20.5M-80.2%
CITIGROUP#75 · 280,136 sh$19.8M+4.3%
JPMORGAN CHASE#76 · 2,281,001 sh$18.8M+758.6%
Legal & General Group Plc#77 · 159,231 sh$18.6M+3.5%
Polar Asset Management Partners#78 · 4,731,000 sh$17.6M-77.9%
Neuberger Berman Group#79 · 139,447 sh$16.3M+73.1%
Rhenman & Partners Asset Management AB#80 · 139,205 sh$16.3M+50.3%
FIRST ADVISORS#81 · 136,141 sh$15.9M-10.0%
Highlander Partners, L.P.#82 · 122,980 sh$14.4M0.0%
PDT Partners#83 · 122,041 sh$14.3M-16.1%
PERCEPTIVE ADVISORS#84 · 115,391 sh$13.5MNew
RICE HALL JAMES & ASSOCIATES#85 · 110,673 sh$13.0M-24.7%
Seven Fleet Capital Management#86 · 110,393 sh$12.9MNew
ESSEX INVESTMENT MANAGEMENT#87 · 105,669 sh$12.4M-2.5%
PRINCIPAL FINANCIAL GROUP#88 · 101,900 sh$11.9M+77.6%
Capricorn Fund Managers Ltd#89 · 101,240 sh$11.9MNew
HealthInvest Partners AB#90 · 100,807 sh$11.8M-48.5%
MILLENNIUM MANAGEMENT#91 · 96,213 sh$11.3M-73.9%
PEREGRINE CAPITAL MANAGEMENT#92 · 88,820 sh$10.4MNew
VOYA INVESTMENT MANAGEMENT#93 · 86,257 sh$10.1M+25.3%
Swiss National Bank#94 · 84,800 sh$9.9M+14.1%
Aequim Alternative Investments#95 · 2,656,000 sh$9.8M-77.9%
Voleon Capital Management#96 · 82,877 sh$9.7M-44.9%
Fisher Asset Management#97 · 82,476 sh$9.7M-11.4%
DEUTSCHE BANK AG\#98 · 81,586 sh$9.6M+63.0%
SILVERCREST ASSET MANAGEMENT GROUP#99 · 77,278 sh$9.0M-4.6%
Soleus Capital Management, L.P.#100 · 75,000 sh$8.8M-81.3%

Funds that sold out of MIRM in Q2 2026 (48)

Held MIRM at the end of Q1 2026 and filed a Q2 2026 13F without it. Not in the list above, because they no longer hold it. Largest prior position first.

Institutions that held MIRM in Q1 2026 and reported no position in Q2 2026.
InstitutionValue in Q1 2026
CITADEL ADVISORS1,052,048 sh$97.2M
Point72 Asset Management, L.P.9,760,991 sh$60.2M
Paradigm Biocapital Advisors625,000 sh$57.7M
Logos Global Management200,000 sh$18.5M
BANK OF MONTREAL2,056,386 sh$11.2M
SSI INVESTMENT MANAGEMENT3,255,000 sh$9.7M
VOLORIDGE INVESTMENT MANAGEMENT104,099 sh$9.6M
ExodusPoint Capital Management87,373 sh$8.1M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP67,885 sh$6.3M
LINDEN ADVISORS2,000,000 sh$6.0M
ALPS ADVISORS49,128 sh$4.5M
Cinctive Capital Management38,518 sh$3.6M
ZACKS INVESTMENT MANAGEMENT36,889 sh$3.4M
CenterBook Partners19,702 sh$1.8M
CAPITAL FUND MANAGEMENT S.A.19,638 sh$1.8M
Golden State Equity Partners19,380 sh$1.8M
XTX Topco Ltd19,307 sh$1.8M
AGF MANAGEMENT LTD500,000 sh$1.5M
SIERRA SUMMIT ADVISORS10,457 sh$966.0K
CANADA PENSION PLAN INVESTMENT BOARD8,800 sh$812.9K
Hudson Bay Capital Management8,530 sh$788.0K
Fieldview Capital Management7,832 sh$723.5K
MARSHALL WACE, LLP4,650 sh$429.6K
Central Pacific Bank - Division125,000 sh$372.8K
OP Asset Management Ltd3,051 sh$281.9K
FARALLON CAPITAL MANAGEMENT3,000 sh$277.1K
Atria Investments2,959 sh$273.4K
Inspire Advisors2,810 sh$259.6K
Dynamic Technology Lab Private Ltd2,455 sh$226.8K
RWC Asset Management LLP2,341 sh$216.3K
Baird Financial Group2,305 sh$212.9K
WINTON GROUP Ltd2,191 sh$202.4K
Eurizon Capital SGR S.p.A.800 sh$70.7K
QUADRANT CAPITAL GROUP62 sh$51.8K
SUMMIT SECURITIES GROUP460 sh$42.5K
Advisory Services Network356 sh$32.9K
Balboa Wealth Partners10,000 sh$29.7K
Caitong International Asset Management , Ltd299 sh$27.6K
EASTERN BANK112 sh$10.3K
NewEdge Advisors10,000 sh$10.0K
Aster Capital Management (DIFC) Ltd131 sh$5.9K
Roble, Belko & Company19 sh$2.0K
SBI Securities , Ltd.20 sh$1.8K
CURIO WEALTH12 sh$1.1K
MAI Capital Management5 sh$462.00
Ronald Blue2 sh$185.00
TWIN PEAKS WEALTH ADVISORS2 sh$185.00
Elequin Securities40 sh—

Source: Form 13F-HR filings on SEC EDGAR, Q2 2026. Values are as reported by each manager at quarter end. “% of portfolio” is the position’s share of the manager’s total reported 13F value for the same quarter. “New” means the manager filed a 13F for Q1 2026 without this position; a dash means no comparison is available. Where a manager’s own filing is internally inconsistent its value is withheld and it is listed last. 13F data shows reported holdings, not recommendations.