MIRUM PHARMACEUTICALS INC (MIRM) Institutional Ownership Changes & 13F Activity
MIRUM PHARMACEUTICALS INC (MIRM). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Invesco Ltd., Price T Rowe Associates Inc, Ameriprise Financial Inc, Polar Capital Holdings Plc, and Bvf Inc/Il.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | Buy | +19,057 | +34.2% | 74,750 | $8.75M | Q2 2026 | Sep 09, 2026 |
| Allianz Asset Management Gmbh | Sell | -24,655 | -78.9% | 6,600 | $772.66K | Q2 2026 | Sep 02, 2026 |
| Corient Private Wealth Llc | Buy | +7,599 | +131.7% | 13,369 | $1.57M | Q2 2026 | Aug 27, 2026 |
| California State Teachers Retirement System | Buy | +3,555 | +8.0% | 48,031 | $5.62M | Q2 2026 | Aug 24, 2026 |
| Palo Alto Investors Lp | Buy | +23,633 | +7.3% | 348,808 | $40.83M | Q2 2026 | Aug 19, 2026 |
| Seven Fleet Capital Management Lp | Buy | +110,393 | — | 110,393 | $12.92M | Q2 2026 | Aug 17, 2026 |
| Jefferies Financial Group Inc. | Buy | +30,760 | +361.9% | 39,260 | $4.60M | Q2 2026 | Aug 17, 2026 |
| Empowered Funds, Llc | Buy | +1,959 | — | 1,959 | $229.34K | Q2 2026 | Aug 17, 2026 |
| Invesco Ltd. | Buy | +1,364,084 | — | 1,364,084 | $159.69M | Q2 2026 | Aug 14, 2026 |
| Price T Rowe Associates Inc | Buy | +938,186 | +54.6% | 2,655,607 | $310.89M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +726,694 | — | 726,694 | $85.07M | Q2 2026 | Aug 14, 2026 |
| Polar Capital Holdings Plc | Buy | +562,040 | +198.3% | 845,524 | $98.99M | Q2 2026 | Aug 14, 2026 |
| Bvf Inc/Il | Sell | -528,700 | -33.4% | 1,056,027 | $123.63M | Q2 2026 | Aug 14, 2026 |
| Nomura Asset Management International Inc. | Buy | +346,723 | +85.5% | 752,044 | $88.04M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Sell | -272,362 | -73.9% | 96,213 | $11.26M | Q2 2026 | Aug 14, 2026 |
| Novo Holdings A/S | Sell | -200,000 | -15.1% | 1,125,000 | $131.70M | Q2 2026 | Aug 14, 2026 |
| First Turn Management, Llc | Sell | -182,413 | -45.6% | 218,051 | $25.53M | Q2 2026 | Aug 14, 2026 |
| Eventide Asset Management, Llc | Sell | -160,482 | -11.4% | 1,248,389 | $146.20M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Sell | -160,453 | -22.2% | 561,724 | $65.76M | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Sell | -139,610 | -83.4% | 27,879 | $3.26M | Q2 2026 | Aug 14, 2026 |
| Perceptive Advisors Llc | Buy | +115,391 | — | 115,391 | $13.51M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Sell | -112,432 | -17.0% | 549,874 | $64.37M | Q2 2026 | Aug 14, 2026 |
| Trails Edge Capital Partners, Lp | Sell | -110,000 | -33.0% | 223,312 | $26.14M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -84,523 | -10.9% | 690,318 | $80.82M | Q2 2026 | Aug 14, 2026 |
| Lord, Abbett & Co. Llc | Sell | -76,087 | -12.3% | 540,977 | $63.33M | Q2 2026 | Aug 14, 2026 |
| Voleon Capital Management Lp | Sell | -67,636 | -44.9% | 82,877 | $9.70M | Q2 2026 | Aug 14, 2026 |
| Aristeia Capital, L.L.C. | Buy | +64,475 | — | 64,475 | $7.55M | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Sell | -58,796 | -95.3% | 2,896 | $339.04K | Q2 2026 | Aug 14, 2026 |
| Trexquant Investment Lp | Buy | +53,349 | — | 53,349 | $6.25M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Sell | -49,861 | -9.3% | 489,170 | $57.27M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about MIRM activity
Which institutional owners are buying MIRM?
Institutional owners buying MIRM include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in MIRM activity?
"Buy" means an investor increased their reported position in MIRM compared to the prior reporting period. This reflects growing exposure to MIRUM PHARMACEUTICALS INC (MIRM) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in MIRM increasing?
Institutional interest in MIRM can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related MIRM Institutional Insights
- MIRM Overview
- MIRM 13F Institutional Holders
- MIRM Top Institutional Shareholders
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- MIRM Insider Trading & SEC Form 4 Activity
- MIRM Articles
- Top Institutional Investor Stock Rankings