Mirum Pharmaceuticals, Inc. 13F holders
326 funds reported a position in Mirum Pharmaceuticals, Inc. in their 13F for the quarter ended 30 June 2026, together 71.4 million shares worth $8.36 billion. Against the quarter before, 55 opened a position, 125 added, 99 trimmed and 44 sold out; together they bought a net 4.2 million shares. The largest holders: Frazier Life Sciences Management, L.P., Jupiter Topco LLC and BlackRock, Inc.
Funds holding326+15 on Q1 2026
Shares they held71.4Mworth $8.36 billion
Net bought on the quarter4.2M sharesabout $493.5 million at the funds' values
Funds buying to selling180 to 143opened or added, to cut or sold
Opened 55Added 125Held 45Trimmed 99Sold out 44
What each fund did in MIRM against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in MIRM in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
2,671 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 42 reported a position in Mirum Pharmaceuticals, Inc.: 7 opened one, 13 added, 11 trimmed and 3 sold out, a net 11,862 shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 6 reported a position in Mirum Pharmaceuticals, Inc. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 3.7 million shares worth $429.7 million, 0.0% of its reported book. Sold out: Citadel Advisors, Point72 Asset Management. In the quarter, 3 funds added or opened a position and 5 trimmed or sold out; together they sold a net 17,072 shares, about $2.0 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 3,670,314 | $429.7 million | 0.0% | +1,704,939 | added | 30 June 2026 | 13F |
| Geode Capital Management | 1,393,908 | $163.2 million | 0.0% | +133,905 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 690,318 | $80.8 million | 0.1% | -84,523 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 442,185 | $51.8 million | 0.1% | -139,900 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 96,213 | $11.3 million | 0.0% | -272,362 | trimmed | 30 June 2026 | 13F |
| Alyeska | 73,959 | $8.7 million | 0.0% | +39,908 | added | 30 June 2026 | 13F |
| Citadel Advisors | 0 | $0 | 0.0% | -1,052,048 | exited | 30 June 2026 | 13F |
| Point72 Asset Management | 0 | $0 | 0.0% | -346,991 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 7,679,684 | 10.75% | $899.1 million | 19.58% | no change | 13F |
| Jupiter Topco LLC | 5,909,184 | 8.27% | $691.7 million | 0.28% | first 13F | 13F |
| BlackRock, Inc. | 4,390,063 | 6.15% | $513.9 million | 0.01% | +543,533 | 13F |
| FMR LLC | 3,670,314 | 5.14% | $429.7 million | 0.02% | +1,704,939 | 13F |
| Price T Rowe Associates Inc. | 2,655,607 | 3.72% | $310.9 million | 0.03% | +938,186 | 13F |
| Vanguard Portfolio Management LLC | 2,377,019 | 3.33% | $278.3 million | 0.01% | +944,936 | 13F |
| Vanguard Capital Management LLC | 2,254,109 | 3.16% | $263.9 million | 0.01% | -160,667 | 13F |
| State Street Corp. | 2,170,689 | 3.04% | $254.1 million | 0.01% | +226,408 | 13F |
| William Blair Investment Management, LLC | 1,404,741 | 1.97% | $164.5 million | 0.49% | +1,069,072 | 13F |
| Geode Capital Management, LLC | 1,393,908 | 1.95% | $163.2 million | 0.01% | +133,905 | 13F |
| Invesco Ltd. | 1,364,084 | 1.91% | $159.7 million | 0.01% | +1,078,848 | 13F |
| Wellington Management Group LLP | 1,309,987 | 1.83% | $153.4 million | 0.03% | -24,822 | 13F |
| Eventide Asset Management, LLC | 1,248,389 | 1.75% | $146.2 million | 1.95% | -160,482 | 13F |
| Tang Capital Management LLC | 1,236,027 | 1.73% | $144.7 million | 6.61% | no change | 13F |
| Capital World Investors | 1,153,480 | 1.61% | $135.0 million | 0.02% | +429,065 | 13F |
| Franklin Resources Inc. | 1,152,770 | 1.61% | $135.0 million | 0.03% | +437,966 | 13F |
| Novo Holdings A/s | 1,125,000 | 1.57% | $131.7 million | 7.65% | -200,000 | 13F |
| TCG Crossover Management, LLC | 1,062,049 | 1.49% | $124.3 million | 2.99% | no change | 13F |
| BVF Inc. | 1,056,027 | 1.48% | $123.6 million | 3.16% | -528,700 | 13F |
| Polar Capital Holdings Plc | 845,524 | 1.18% | $99.0 million | 0.28% | +562,040 | 13F |
| Rock Springs Capital Management LP | 798,145 | 1.12% | $93.4 million | 4.56% | -13,149 | 13F |
| Nomura Asset Management International Inc. | 752,044 | 1.05% | $88.0 million | 0.13% | +346,723 | 13F |
| Ameriprise Financial Inc. | 726,694 | 1.02% | $85.1 million | 0.02% | +507,439 | 13F |
| Two Sigma Investments, LP | 690,318 | 0.97% | $80.8 million | 0.06% | -84,523 | 13F |
| Bank of New York Mellon Corp | 669,974 | 0.94% | $78.4 million | 0.01% | +85,451 | 13F |
| Clearbridge Investments, LLC | 639,734 | 0.90% | $74.9 million | 0.06% | -32,136 | 13F |
| BNP Paribas Financial Markets | 606,427 | 0.85% | $71.0 million | 0.04% | -304,992 | 13F |
| Woodline Partners LP | 567,894 | 0.80% | $66.5 million | 0.21% | no change | 13F |
| Bank of America Corp. | 561,724 | 0.79% | $65.8 million | 0.00% | -160,453 | 13F |
| Goldman Sachs Group Inc. | 549,874 | 0.77% | $64.4 million | 0.01% | -112,432 | 13F |
| Lord, Abbett & Co. LLC | 540,977 | 0.76% | $63.3 million | 0.19% | -76,087 | 13F |
| Pictet Asset Management Holding SA | 526,443 | 0.74% | $61.6 million | 0.06% | +102,932 | 13F |
| Balyasny Asset Management L.P. | 489,170 | 0.68% | $57.3 million | 0.11% | -49,861 | 13F |
| Emerald Advisers, LLC | 468,295 | 0.66% | $54.8 million | 1.29% | +71,032 | 13F |
| Northern Trust Corp. | 452,036 | 0.63% | $52.9 million | 0.01% | +57,116 | 13F |
| Charles Schwab Investment Management Inc. | 449,429 | 0.63% | $52.6 million | 0.01% | +22,339 | 13F |
| Baker Bros. Advisors LP | 445,975 | 0.62% | $52.2 million | 0.26% | no change | 13F |
| Loomis Sayles & Co. L P | 443,636 | 0.62% | $51.9 million | 0.07% | -31,688 | 13F |
| Renaissance Technologies LLC | 442,185 | 0.62% | $51.8 million | 0.07% | -139,900 | 13F |
| Federated Hermes, Inc. | 436,635 | 0.61% | $51.1 million | 0.07% | -69,576 | 13F |
| Next Century Growth Investors LLC | 420,213 | 0.59% | $49.2 million | 2.61% | +34,674 | 13F |
| Connor, Clark & Lunn Investment Management Ltd. | 420,063 | 0.59% | $49.2 million | 0.09% | -59,413 | 13F |
| Boone Capital Management LLC | 415,641 | 0.58% | $48.7 million | 11.38% | -5,595 | 13F |
| Massachusetts Financial Services Co. | 384,570 | 0.54% | $45.0 million | 0.01% | +98,164 | 13F |
| UBS Group AG | 379,760 | 0.53% | $44.5 million | 0.01% | -115,234 | 13F |
| Candriam S.C.A. | 376,143 | 0.53% | $44.0 million | 0.20% | -88,073 | 13F |
| TimesSquare Capital Management, LLC | 367,281 | 0.51% | $43.0 million | 0.63% | -9,192 | 13F |
| Morgan Stanley | 351,404 | 0.49% | $41.1 million | 0.00% | -173,162 | 13F |
| Adage Capital Partners GP, L.l.c. | 350,000 | 0.49% | $41.0 million | 0.06% | -25,000 | 13F |
| Palo Alto Investors LP | 348,808 | 0.49% | $40.8 million | 5.64% | +23,633 | 13F |
The 50 largest of the 326 funds that reported a position in MIRM in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on MIRM
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 9,100 | $1.1 million | 30 June 2026 | 13F |
| Citadel Advisors | Puts | 7,700 | $901,439 | 30 June 2026 | 13F |
| Point72 Asset Management | Puts | 6,600 | $772,662 | 30 June 2026 | 13F |
| Point72 Asset Management | Calls | 2,000 | $234,140 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 13 August 2026 | 13G/A | JANUS HENDERSON GROUP Ltd. and 1 other | 5.9 million | 9.7% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 6 August 2026 | 13G | FMR LLC and 3 others | 3.8 million | 6.2% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 April 2026 | 13G/A | BlackRock, Inc. and 1 other | 3.5 million | 5.7% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 17 February 2026 | 13G/A | Janus Henderson Group PLC and 1 other | 6.1 million | 11.8% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 13 February 2026 | 13G/A | Eventide Asset Management, LLC and 5 others | 2.1 million | 4.1% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 27 January 2026 | 13D/A | Frazier Life Sciences IX, L.P. and 16 others | 4.1 million | 6.8% | 23 January 2026 | Item 4 is hereby amended and restated in its entirety to read as follows: Each of FLS IX, FLS X, FLSPF, FLS XI and FLS XII acquired the FLS IX Shares, the FLS X Shares, the FLSPF Shares, the FLS XI Shares and the FLS XII Shares, as the case | EDGAR |
| 5 December 2025 | 13G/A | Janus Henderson Group PLC and 1 other | 5.4 million | 10.6% | 28 November 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G/A | Janus Henderson Group PLC and 1 other | 5.0 million | 10.0% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G/A | Biotechnology Value Fund L P and 19 others | 1.5 million | 3.0% | 30 September 2025 | passive, under 20% (13d-1(c)) | EDGAR |
| 4 November 2025 | 13D/A | Frazier Life Sciences IX, L.P. and 13 others | 3.7 million | 7.6% | 1 November 2025 | Item 4 is hereby amended to remove references to "FLSPOF" and the "FLSPOF Shares" from the first paragraph. | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 30 September 2026 | 26,924 | $87.54 | SEC |
| 23 September 2026 | 8,767 | $91.39 | SEC |
| 22 September 2026 | 44,759 | $92.00 | SEC |
| 21 September 2026 | 32,778 | $91.83 | SEC |
| 18 September 2026 | 37,524 | $98.82 | SEC |
| 10 September 2026 | 27 | $98.30 | SEC |
| 9 September 2026 | 17,137 | $99.53 | SEC |
| 24 August 2026 | 30 | $96.31 | SEC |
| 18 August 2026 | 2 | $99.83 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.