Mirum Pharmaceuticals, Inc. hedge fund holdings
MIRMNASDAQ$82.93-0.99 (-1.18%)as of Oct 2, 2026
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
MIRM · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+15.6%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 77 | 84 | $214M | $142M | 202 | Aug 14, 2025 |
| Q3 2025 | 126 | 69 | $461M | $389M | 255 | Nov 14, 2025 |
| Q4 2025 | 111 | 86 | $545M | $310M | 268 | Feb 14, 2026 |
| Q1 2026 | 144 | 95 | $1.08B | $549M | 304 | May 15, 2026 |
| Q2 2026 | 137 | 116 | $1.17B | $813M | 304 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
304 filersNew position
39$88M+751K sh
Increased
98$1.08B+9.22M sh
Reduced
80-$501M-4.28M sh
Out / sold
36-$313M-2.67M sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| William Blair Investment Management, LLC | Added 318.49% | +$125M | $164M | 0.49% | Aug 12, 2026 |
| Polar Capital Holdings Plc | Added 198.26% | +$65.8M | $99M | 0.23% | Aug 14, 2026 |
| BVF Inc | Reduce 33.36% | -$61.9M | $124M | 3.16% | Aug 14, 2026 |
| Paradigm Biocapital Advisors LP | Sell 100% | -$57.7M | $0 | 0.00% | Aug 14, 2026 |
| Capital World Investors | Added 59.23% | +$50.2M | $135M | 0.02% | Aug 12, 2026 |
| Nomura Asset Management International Inc. | Added 85.54% | +$40.6M | $88M | 0.13% | Aug 14, 2026 |
| Novo Holdings A/S | Reduce 15.09% | -$23.4M | $132M | 7.65% | Aug 14, 2026 |
| First Turn Management, LLC | Reduce 45.55% | -$21.4M | $25.5M | 2.73% | Aug 14, 2026 |
| Eventide Asset Management, LLC | Reduce 11.39% | -$18.8M | $146M | 1.95% | Aug 14, 2026 |
| Logos Global Management LP | Sell 100% | -$18.5M | $0 | 0.00% | Aug 14, 2026 |
| Perceptive Advisors LLC | New Buy | +$13.5M | $13.5M | 0.20% | Aug 14, 2026 |
| Seven Fleet Capital Management LP | New Buy | +$12.9M | $12.9M | 2.13% | Aug 17, 2026 |
| Trails Edge Capital Partners, LP | Reduce 33.00% | -$12.9M | $26.1M | 4.15% | Aug 14, 2026 |
| Pictet Asset Management Holding SA | Added 24.30% | +$12.1M | $61.6M | 0.06% | Jul 30, 2026 |
| Capricorn Fund Managers Ltd | New Buy | +$11.9M | $11.9M | 0.93% | Jul 24, 2026 |
| Massachusetts Financial Services Co | Added 34.27% | +$11.5M | $45M | 0.01% | Aug 3, 2026 |
| Atle Fund Management AB | Reduce 48.51% | -$11.1M | $11.8M | 3.18% | Jul 24, 2026 |
| Peregrine Capital Management LLC | New Buy | +$10.4M | $10.4M | 0.34% | Jul 17, 2026 |
| Voloridge Investment Management, LLC | Sell 100% | -$9.62M | $0 | 0.00% | Aug 14, 2026 |
| Lord, Abbett & Co. LLC | Reduce 12.33% | -$8.91M | $63.3M | 0.18% | Aug 14, 2026 |
| Emerald Advisers, LLC | Added 17.88% | +$8.32M | $54.8M | 1.29% | Aug 5, 2026 |
| Voleon Capital Management LP | Reduce 44.94% | -$7.92M | $9.7M | 0.18% | Aug 14, 2026 |
| Aristeia Capital, L.L.C. | New Buy | +$7.55M | $7.55M | 0.10% | Aug 14, 2026 |
| Hennion & Walsh Asset Management, Inc. | Reduce 59.94% | -$6.57M | $4.39M | 0.13% | Jul 8, 2026 |
| Rhenman & Partners Asset Management AB | Added 50.32% | +$5.46M | $16.3M | 1.54% | Aug 13, 2026 |
| Penn Capital Management Company, LLC | Added 16.41% | +$4.94M | $35.1M | 2.22% | Jul 30, 2026 |
| Nicholas Investment Partners, LP | Added 31.52% | +$4.85M | $20.2M | 1.14% | Aug 14, 2026 |
| Emerald Mutual Fund Advisers Trust | Added 15.56% | +$4.56M | $33.9M | 1.19% | Aug 5, 2026 |
| Rice Hall James & Associates, LLC | Reduce 24.73% | -$4.26M | $13M | 0.63% | Aug 7, 2026 |
| Neo Ivy Capital Management | New Buy | +$4.19M | $4.19M | 0.97% | Aug 14, 2026 |
| ABS Direct Equity Fund LLC | Reduce 94.43% | -$4.17M | $246K | 0.15% | Aug 13, 2026 |
| Next Century Growth Investors LLC | Added 8.99% | +$4.06M | $49.2M | 2.61% | Aug 14, 2026 |
| Loomis Sayles & Co L P | Reduce 6.67% | -$3.71M | $51.9M | 0.07% | Aug 14, 2026 |
| PFM Health Sciences, LP | New Buy | +$3.69M | $3.69M | 0.32% | Aug 14, 2026 |
| Jefferies Financial Group Inc. | Added 361.88% | +$3.6M | $4.6M | 0.03% | Aug 17, 2026 |
| Patient Square Capital LP | Added 13.26% | +$3.57M | $30.5M | 4.72% | Aug 12, 2026 |
| Cinctive Capital Management LP | Sell 100% | -$3.56M | $0 | 0.00% | Aug 14, 2026 |
| SummitTX Capital, L.P. | Added 726.83% | +$3.55M | $4.04M | 0.10% | Aug 14, 2026 |
| Resolute Capital Asset Partners LLC | New Buy | +$3.51M | $3.51M | 1.50% | Aug 14, 2026 |
| Zacks Investment Management | Sell 100% | -$3.41M | $0 | 0.00% | Aug 13, 2026 |
| Ensign Peak Advisors, Inc | Reduce 13.27% | -$3.15M | $20.6M | 0.03% | Aug 14, 2026 |
| Picton Mahoney Asset Management | Reduce 35.67% | -$3.1M | $5.58M | 0.04% | Aug 13, 2026 |
| Adage Capital Partners GP, L.L.C. | Reduce 6.67% | -$2.93M | $41M | 0.06% | Aug 14, 2026 |
| Wellington Management Group LLP | Reduce 1.86% | -$2.91M | $153M | 0.03% | Aug 14, 2026 |
| Lisanti Capital Growth, LLC | Added 62.27% | +$2.84M | $7.41M | 1.63% | Aug 10, 2026 |
| Palo Alto Investors LP | Added 7.27% | +$2.77M | $40.8M | 5.64% | Aug 19, 2026 |
| PDT Partners, LLC | Reduce 16.05% | -$2.73M | $14.3M | 0.75% | Aug 14, 2026 |
| Schroder Investment Management Group | New Buy | +$2.55M | $2.55M | 0.00% | Aug 13, 2026 |
| Hood River Capital Management LLC | Added 7.38% | +$2.46M | $35.9M | 0.26% | Aug 14, 2026 |
| Rafferty Asset Management, LLC | Reduce 40.26% | -$2.32M | $3.44M | 0.01% | Aug 14, 2026 |
| Odyssean, LLC | Added 149.95% | +$2.1M | $3.5M | 0.57% | Aug 14, 2026 |
| Jain Global LLC | Added 444.75% | +$2.01M | $2.46M | 0.01% | Aug 14, 2026 |
| Legato Capital Management LLC | Added 40.10% | +$1.96M | $6.85M | 0.57% | Aug 6, 2026 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Reduce 6.27% | -$1.95M | $29.2M | 0.03% | Aug 13, 2026 |
| Nomura Holdings Inc | Reduce 81.12% | -$1.86M | $433K | 0.00% | Aug 14, 2026 |
| CenterBook Partners LP | Sell 100% | -$1.82M | $0 | 0.00% | Aug 11, 2026 |
| Capital Fund Management S.A. | Sell 100% | -$1.81M | $0 | 0.00% | Aug 13, 2026 |
| First Trust Advisors LP | Reduce 10.00% | -$1.77M | $15.9M | 0.01% | Aug 11, 2026 |
| Phocas Financial Corp. | New Buy | +$1.71M | $1.71M | 0.24% | Jul 31, 2026 |
| Rock Springs Capital Management LP | Reduce 1.62% | -$1.54M | $93.4M | 4.56% | Aug 14, 2026 |
| Fisher Asset Management, LLC | Reduce 11.42% | -$1.24M | $9.66M | 0.00% | Aug 4, 2026 |
| Toth Financial Advisory Corp | New Buy | +$1.2M | $1.2M | 0.12% | Jul 14, 2026 |
| Quantinno Capital Management LP | Added 114.72% | +$1.14M | $2.14M | 0.00% | Aug 13, 2026 |
| Diversified Trust Co | Added 77.29% | +$972K | $2.23M | 0.04% | Jul 17, 2026 |
| Sierra Summit Advisors LLC | Sell 100% | -$966K | $0 | 0.00% | Jul 20, 2026 |
| Canada Pension Plan Investment Board | Sell 100% | -$813K | $0 | 0.00% | Aug 14, 2026 |
| Profund Advisors LLC | Reduce 31.20% | -$810K | $1.79M | 0.05% | Aug 11, 2026 |
| Fieldview Capital Management, LLC | Sell 100% | -$724K | $0 | 0.00% | Aug 14, 2026 |
| Deerfield Management Company, L.P. | New Buy | +$706K | $706K | 0.01% | Aug 14, 2026 |
| Boone Capital Management LLC | Reduce 1.33% | -$655K | $48.7M | 11.38% | Aug 14, 2026 |
| Erste Asset Management GmbH | Reduce 2.38% | -$615K | $25.2M | 0.20% | Jul 28, 2026 |
| Oak Ridge Investments LLC | Added 27.95% | +$573K | $2.62M | 0.15% | Jul 21, 2026 |
| VANGUARD ASSET MANAGEMENT, Ltd | Added 18.37% | +$538K | $3.47M | 0.00% | Aug 13, 2026 |
| Thrivent Financial for Lutherans | Reduce 6.97% | -$466K | $6.21M | 0.01% | Aug 14, 2026 |
| nVerses Capital, LLC | New Buy | +$447K | $447K | 0.69% | Aug 4, 2026 |
| Guggenheim Capital LLC | Reduce 26.20% | -$444K | $1.25M | 0.01% | Aug 12, 2026 |
| Silvercrest Asset Management Group LLC | Reduce 4.58% | -$435K | $9.05M | 0.06% | Aug 14, 2026 |
| Inceptionr LLC | Added 78.19% | +$417K | $951K | 0.23% | Aug 11, 2026 |
| Calamos Advisors LLC | Added 40.63% | +$406K | $1.41M | 0.00% | Jul 31, 2026 |
| Secure Asset Management, LLC | Added 7.93% | +$405K | $5.51M | 0.77% | Jul 15, 2026 |
| Insight Wealth Partners, LLC | New Buy | +$395K | $395K | 0.05% | Aug 6, 2026 |
| Tidal Investments LLC | Reduce 59.29% | -$378K | $259K | 0.00% | Aug 13, 2026 |
| Handelsbanken Fonder AB | Added 1.64% | +$372K | $23.1M | 0.07% | Jul 10, 2026 |
| Segall Bryant & Hamill, LLC | Added 1.75% | +$361K | $21M | 0.25% | Aug 12, 2026 |
| Yorktown Management & Research Co Inc | Added 119.61% | +$357K | $656K | 0.40% | Jul 23, 2026 |
| VARCOV Co. | New Buy | +$354K | $354K | 0.13% | Aug 14, 2026 |
| Northwest & Ethical Investments L.P. | Reduce 75.11% | -$333K | $110K | 0.00% | Aug 13, 2026 |
| Essex Investment Management Co LLC | Reduce 2.46% | -$312K | $12.4M | 1.62% | Aug 6, 2026 |
| PSP Research LLC | Reduce 50.00% | -$293K | $293K | 0.16% | Jul 9, 2026 |
| OP Asset Management Ltd | Sell 100% | -$282K | $0 | 0.00% | Jul 28, 2026 |
| Farallon Capital Management, L.L.C. | Sell 100% | -$277K | $0 | 0.00% | Aug 14, 2026 |
| Atria Investments, Inc | Sell 100% | -$273K | $0 | 0.00% | Jul 28, 2026 |
| Cynosure Group, LLC | Added 49.42% | +$272K | $821K | 0.12% | Aug 5, 2026 |
| Palumbo Wealth Management LLC | Reduce 46.13% | -$269K | $314K | 0.07% | Aug 12, 2026 |
| ADAR1 Capital Management, LLC | Reduce 37.10% | -$269K | $457K | 0.02% | Aug 14, 2026 |
| Inspire Advisors, LLC | Sell 100% | -$260K | $0 | 0.00% | Aug 13, 2026 |
| DNB Asset Management AS | New Buy | +$238K | $238K | 0.00% | Aug 11, 2026 |
| Storgate, LLC | New Buy | +$237K | $237K | 0.05% | Aug 12, 2026 |
| Keel Point, LLC | New Buy | +$232K | $232K | 0.01% | Aug 14, 2026 |
| E Fund Management Co., Ltd. | Reduce 30.90% | -$230K | $513K | 0.01% | Aug 11, 2026 |