MIRUM PHARMACEUTICALS INC (MIRM) Institutional Shareholders
MIRUM PHARMACEUTICALS INC (MIRM) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $7.75B in MIRM holdings during the latest filing period.
Frazier Life Sciences Management, L.P. is currently the largest disclosed institutional shareholder of MIRM tracked by InsiderSet, reporting ownership valued at approximately $899.06M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $772.88M, representing an estimated loss of -14.03% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 48% of the total disclosed MIRM value among the investors covered in this analysis. Major shareholders include Frazier Life Sciences Management, L.P., Janus Henderson Group Plc, Blackrock, Inc., and several other long-term asset managers with concentrated positions in MIRUM PHARMACEUTICALS INC (MIRM).
This page ranks the largest institutional MIRM shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
322
Total Reported Value
$7.75B
Largest Holder
Frazier Life Sciences Management, L.P.
Largest Position
$899.06M
Insider Transactions (90d)
34
Latest Filing Quarter
Q2 2026
New Institutional Positions
54
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 19.58% | 7,679,684 | $899,060,606 | $772,883,398 | -$126,177,208 | -14.03% | |
| Janus Henderson Group Plc | 0.31% | 6,789,239 | $627,298,611 | $683,269,013 | +$55,970,402 | +8.92% | |
| Blackrock, Inc. | 0.01% | 4,390,063 | $513,944,677 | $441,815,940 | -$72,128,737 | -14.03% | |
| Fmr Llc | 0.02% | 3,670,314 | $429,683,688 | $369,380,401 | -$60,303,287 | -14.03% | |
| Vanguard Portfolio Management Llc | 0.01% | 2,377,019 | $278,277,614 | $239,223,192 | -$39,054,422 | -14.03% | |
| Vanguard Capital Management Llc | 0.01% | 2,254,109 | $263,888,541 | $226,853,530 | -$37,035,011 | -14.03% | |
| State Street Corp | 0.01% | 2,170,689 | $254,122,561 | $218,458,141 | -$35,664,420 | -14.03% | |
| William Blair Investment Management, Llc | 0.49% | 1,404,741 | $164,453,029 | $141,373,134 | -$23,079,895 | -14.03% | |
| Geode Capital Management, Llc | 0.01% | 1,393,908 | $163,213,962 | $140,282,901 | -$22,931,061 | -14.05% | |
| Invesco Ltd. | 0.01% | 1,364,084 | $159,693,314 | $137,281,414 | -$22,411,900 | -14.03% | |
| Wellington Management Group Llp | 0.03% | 1,309,987 | $153,360,177 | $131,837,092 | -$21,523,085 | -14.03% | |
| Eventide Asset Management, Llc | 1.95% | 1,248,389 | $146,202,247 | $125,637,869 | -$20,564,378 | -14.07% | |
| Tang Capital Management Llc | 6.57% | 1,236,027 | $144,701,681 | $124,393,757 | -$20,307,924 | -14.03% | |
| Capital World Investors | 0.02% | 1,153,480 | $135,037,904 | $116,086,227 | -$18,951,677 | -14.03% | |
| Novo Holdings A/S | 7.65% | 1,125,000 | $131,703,750 | $113,220,000 | -$18,483,750 | -14.03% | |
| Tcg Crossover Management, Llc | 2.99% | 1,062,049 | $124,334,076 | $106,884,611 | -$17,449,465 | -14.03% | |
| Bvf Inc/Il | 3.16% | 1,056,027 | $123,629,081 | $106,278,557 | -$17,350,524 | -14.03% | |
| Polar Capital Holdings Plc | 0.28% | 845,524 | $98,985,495 | $85,093,535 | -$13,891,960 | -14.03% | |
| Rock Springs Capital Management Lp | 4.56% | 798,145 | $93,438,835 | $80,325,313 | -$13,113,522 | -14.03% | |
| Nomura Asset Management International Inc. | 0.13% | 752,044 | $88,042,000 | $75,685,708 | -$12,356,292 | -14.03% | |
| Ameriprise Financial Inc | 0.02% | 726,694 | $85,074,348 | $73,134,484 | -$11,939,864 | -14.03% | |
| Two Sigma Investments, Lp | 0.06% | 690,318 | $80,815,528 | $69,473,604 | -$11,341,924 | -14.03% | |
| Bank Of New York Mellon Corp | 0.01% | 669,974 | $78,433,863 | $67,426,183 | -$11,007,680 | -14.03% | |
| Clearbridge Investments, Llc | 0.06% | 639,734 | $74,893,623 | $64,382,830 | -$10,510,793 | -14.03% | |
| Bnp Paribas Financial Markets | 0.04% | 606,427 | $70,994,409 | $61,030,813 | -$9,963,596 | -14.03% | |
| Woodline Partners Lp | 0.21% | 567,894 | $66,483,351 | $57,152,852 | -$9,330,499 | -14.03% | |
| Bank Of America Corp | 0.00% | 561,724 | $65,761,029 | $56,531,903 | -$9,229,126 | -14.03% | |
| Goldman Sachs Group Inc | 0.01% | 549,874 | $64,373,750 | $55,339,319 | -$9,034,431 | -14.03% | |
| Pictet Asset Management Holding Sa | 0.06% | 526,443 | $61,630,682 | $52,981,224 | -$8,649,458 | -14.03% | |
| Balyasny Asset Management L.P. | 0.10% | 489,170 | $57,267,132 | $49,230,069 | -$8,037,063 | -14.03% | |
| Emerald Advisers, Llc | 1.29% | 468,295 | $54,823,296 | $47,129,209 | -$7,694,087 | -14.03% | |
| Northern Trust Corp | 0.01% | 452,036 | $52,919,855 | $45,492,903 | -$7,426,952 | -14.03% | |
| Charles Schwab Investment Management Inc | 0.01% | 449,429 | $52,614,653 | $45,230,535 | -$7,384,118 | -14.03% | |
| Sixth Street Partners Management Company, L.P. | 0.01% | 449,429 | $52,614,653 | $45,230,535 | -$7,384,118 | -14.03% | |
| Baker Bros. Advisors Lp | 0.26% | 445,975 | $52,210,293 | $44,882,924 | -$7,327,369 | -14.03% | |
| Loomis Sayles & Co L P | 0.07% | 443,636 | $51,936,466 | $44,647,527 | -$7,288,939 | -14.03% | |
| Renaissance Technologies LLC | Jim Simons | 0.07% | 442,185 | $51,766,598 | $44,501,498 | -$7,265,100 | -14.03% |
| Federated Hermes, Inc. | 0.07% | 436,635 | $51,116,860 | $43,942,946 | -$7,173,914 | -14.03% | |
| Next Century Growth Investors Llc | 2.61% | 420,213 | $49,194,335 | $42,290,236 | -$6,904,099 | -14.03% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.09% | 420,063 | $49,176,775 | $42,275,140 | -$6,901,635 | -14.03% | |
| Boone Capital Management Llc | 11.38% | 415,641 | $48,659,092 | $41,830,110 | -$6,828,982 | -14.03% | |
| Massachusetts Financial Services Co | 0.01% | 384,570 | $45,021,610 | $38,703,125 | -$6,318,485 | -14.03% | |
| Ubs Group Ag | 0.01% | 379,760 | $44,458,503 | $38,219,046 | -$6,239,457 | -14.03% | |
| Candriam S.C.A. | 0.20% | 376,143 | $43,992,694 | $37,855,032 | -$6,137,662 | -13.95% | |
| Timessquare Capital Management, Llc | 0.63% | 367,281 | $42,997,587 | $36,963,160 | -$6,034,427 | -14.03% | |
| Morgan Stanley | 0.00% | 351,404 | $41,138,902 | $35,365,299 | -$5,773,603 | -14.03% | |
| Adage Capital Partners Gp, L.L.C. | 0.06% | 350,000 | $40,974,500 | $35,224,000 | -$5,750,500 | -14.03% | |
| Vanguard Fiduciary Trust Co | 0.01% | 348,230 | $40,767,286 | $35,045,867 | -$5,721,419 | -14.03% | |
| Octagon Capital Advisors Lp | 3.64% | 338,900 | $39,675,023 | $34,106,896 | -$5,568,127 | -14.03% | |
| Panagora Asset Management Inc | 0.12% | 337,461 | $39,506,559 | $33,962,075 | -$5,544,484 | -14.03% |
Frequently asked questions about MIRM
Who owns the most MIRM stock?
The largest holders of MIRM are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for MIRUM PHARMACEUTICALS INC (MIRM).
Is MIRM widely held by superinvestors?
Many widely followed stocks like MIRM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MIRM is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.