MIRUM PHARMACEUTICALS INC (MIRM) Top 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 March 31, 2026. The institutional investors covered on this page collectively reported approximately $6.01B 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 $709.45M in its March 31, 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 $783.63M, representing an estimated gain of +10.46% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 47% 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
306
Total Reported Value
$6.01B
Largest Holder
Frazier Life Sciences Management, L.P.
Largest Position
$709.45M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
96
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. | 18.25% | 7,679,684 | $709,449,208 | $783,634,955 | +$74,185,747 | +10.46% | |
| Janus Henderson Group Plc | 0.31% | 6,789,239 | $627,298,611 | $692,773,948 | +$65,475,337 | +10.44% | |
| Blackrock, Inc. | 0.01% | 3,846,530 | $355,342,442 | $392,499,921 | +$37,157,479 | +10.46% | |
| Vanguard Capital Management Llc | 0.01% | 2,414,776 | $223,077,007 | $246,403,743 | +$23,326,736 | +10.46% | |
| Fmr Llc | 0.01% | 1,965,375 | $181,561,365 | $200,546,865 | +$18,985,500 | +10.46% | |
| State Street Corp | 0.01% | 1,944,281 | $179,612,679 | $198,394,433 | +$18,781,754 | +10.46% | |
| Bvf Inc/Il | 4.66% | 1,584,727 | $146,397,080 | $161,705,543 | +$15,308,463 | +10.46% | |
| Vanguard Portfolio Management Llc | 0.01% | 1,432,083 | $132,295,828 | $146,129,749 | +$13,833,921 | +10.46% | |
| Eventide Asset Management, Llc | 2.15% | 1,408,871 | $130,113,298 | $143,761,197 | +$13,647,899 | +10.49% | |
| Wellington Management Group Llp | 0.02% | 1,334,809 | $123,309,658 | $136,203,910 | +$12,894,252 | +10.46% | |
| Novo Holdings A/S | 9.92% | 1,325,000 | $122,403,500 | $135,203,000 | +$12,799,500 | +10.46% | |
| Geode Capital Management, Llc | 0.01% | 1,260,003 | $116,422,663 | $128,570,706 | +$12,148,043 | +10.43% | |
| Tang Capital Management Llc | 5.80% | 1,236,027 | $114,184,174 | $126,124,195 | +$11,940,021 | +10.46% | |
| Tcg Crossover Management, Llc | 2.81% | 1,062,049 | $98,112,087 | $108,371,480 | +$10,259,393 | +10.46% | |
| Citadel Advisors Llc | 0.07% | 1,052,048 | $97,188,194 | $107,350,978 | +$10,162,784 | +10.46% | |
| Bnp Paribas Financial Markets | 0.06% | 911,419 | $84,196,887 | $93,001,195 | +$8,804,308 | +10.46% | |
| Rock Springs Capital Management Lp | 4.42% | 811,294 | $74,947,340 | $82,784,440 | +$7,837,100 | +10.46% | |
| Two Sigma Investments, Lp | 0.06% | 774,841 | $71,579,812 | $79,064,776 | +$7,484,964 | +10.46% | |
| Capital World Investors | 0.01% | 724,415 | $66,921,458 | $73,919,307 | +$6,997,849 | +10.46% | |
| Bank Of America Corp | 0.00% | 722,177 | $66,714,711 | $73,690,941 | +$6,976,230 | +10.46% | |
| Franklin Resources Inc | 0.02% | 714,804 | $66,033,609 | $72,938,600 | +$6,904,991 | +10.46% | |
| Clearbridge Investments, Llc | 0.05% | 671,870 | $62,067,323 | $68,557,615 | +$6,490,292 | +10.46% | |
| Goldman Sachs Group Inc | 0.01% | 662,306 | $61,183,828 | $67,581,704 | +$6,397,876 | +10.46% | |
| Paradigm Biocapital Advisors Lp | 1.18% | 625,000 | $57,737,500 | $63,775,000 | +$6,037,500 | +10.46% | |
| Bank Of New York Mellon Corp | 0.01% | 584,523 | $53,998,256 | $59,644,727 | +$5,646,471 | +10.46% | |
| Renaissance Technologies LLC | Jim Simons | 0.08% | 582,085 | $53,773,012 | $59,395,953 | +$5,622,941 | +10.46% |
| Woodline Partners Lp | 0.20% | 567,894 | $52,462,048 | $57,947,904 | +$5,485,856 | +10.46% | |
| Balyasny Asset Management L.P. | 0.10% | 539,031 | $49,795,684 | $55,002,723 | +$5,207,039 | +10.46% | |
| Morgan Stanley | 0.00% | 524,566 | $48,459,484 | $53,526,715 | +$5,067,231 | +10.46% | |
| Federated Hermes, Inc. | 0.08% | 506,211 | $46,763,773 | $51,653,770 | +$4,889,997 | +10.46% | |
| Ubs Group Ag | 0.01% | 494,994 | $45,727,547 | $50,509,188 | +$4,781,641 | +10.46% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.10% | 479,476 | $44,293,993 | $48,925,731 | +$4,631,738 | +10.46% | |
| Loomis Sayles & Co L P | 0.06% | 475,324 | $43,910,431 | $48,502,061 | +$4,591,630 | +10.46% | |
| Nuveen, Llc | 0.01% | 474,227 | $43,809,090 | $48,390,123 | +$4,581,033 | +10.46% | |
| Candriam S.C.A. | 0.22% | 464,216 | $42,884,274 | $47,368,601 | +$4,484,327 | +10.46% | |
| Baker Bros. Advisors Lp | 0.24% | 445,975 | $41,199,171 | $45,507,289 | +$4,308,118 | +10.46% | |
| Charles Schwab Investment Management Inc | 0.01% | 427,090 | $39,454,574 | $43,580,264 | +$4,125,690 | +10.46% | |
| Pictet Asset Management Holding Sa | 0.04% | 423,511 | $39,123,946 | $43,215,062 | +$4,091,116 | +10.46% | |
| Boone Capital Management Llc | 11.92% | 421,236 | $38,913,782 | $42,982,921 | +$4,069,139 | +10.46% | |
| Nomura Asset Management International Inc. | 0.06% | 405,321 | $37,444,000 | $41,358,955 | +$3,914,955 | +10.46% | |
| First Turn Management, Llc | 4.13% | 400,464 | $36,994,864 | $40,863,347 | +$3,868,483 | +10.46% | |
| Soleus Capital Management, L.P. | 1.50% | 400,306 | $36,980,268 | $40,847,224 | +$3,866,956 | +10.46% | |
| Emerald Advisers, Llc | 1.16% | 397,263 | $36,699,156 | $40,536,717 | +$3,837,561 | +10.46% | |
| Northern Trust Corp | 0.00% | 394,920 | $36,482,710 | $40,297,637 | +$3,814,927 | +10.46% | |
| Next Century Growth Investors Llc | 2.58% | 385,539 | $35,616,092 | $39,340,400 | +$3,724,308 | +10.46% | |
| Timessquare Capital Management, Llc | 0.59% | 376,473 | $34,778,576 | $38,415,305 | +$3,636,729 | +10.46% | |
| Adage Capital Partners Gp, L.L.C. | 0.05% | 375,000 | $34,642,500 | $38,265,000 | +$3,622,500 | +10.46% | |
| Millennium Management Llc | 0.03% | 368,575 | $34,048,958 | $37,609,393 | +$3,560,435 | +10.46% | |
| Point72 Asset Management, L.P. | 0.06% | 346,991 | $32,055,029 | $35,406,962 | +$3,351,933 | +10.46% | |
| Octagon Capital Advisors Lp | 3.46% | 338,900 | $31,307,582 | $34,581,356 | +$3,273,774 | +10.46% |
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.