Renaissance Technologies (RenTech)'s MIRM Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 582,085 shares of Mirum Pharmaceuticals, Inc. (MIRM) worth $53.77 M, representing 0.08% of the portfolio. First purchased in 2020-Q2, this long-term strategic position has been held for 23 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in MIRM, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2025, adding 207,848 shares. Largest reduction occurred in Q1 2023, reducing 79,700 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Mirum Pharmaceuticals (MIRM) Holding Value Over Time
Track share changes against reported price movement
Quarterly Mirum Pharmaceuticals (MIRM) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +143,000 | Add 32.57% | 582,085 | $92.38 |
| Q4 2025 | -74,363 | Reduce 14.48% | 439,085 | $78.99 |
| Q3 2025 | +117,100 | Add 29.54% | 513,448 | $73.31 |
| Q2 2025 | +207,848 | Add 110.26% | 396,348 | $50.89 |
| Q1 2025 | +87,252 | Add 86.18% | 188,500 | $45.05 |
| Q4 2024 | +40,800 | Add 67.50% | 101,248 | $41.35 |
| Q3 2024 | +60,448 | New Buy | 60,448 | $39.00 |
| Q1 2024 | -58,648 | Sold Out | 0 | $0.00 |
| Q4 2023 | -10,052 | Reduce 14.63% | 58,648 | $29.52 |
| Q3 2023 | +57,100 | Add 492.24% | 68,700 | $31.60 |
| Q2 2023 | -2,000 | Reduce 14.71% | 11,600 | $0.03 |
| Q1 2023 | -79,700 | Reduce 85.42% | 13,600 | $0.02 |
| Q4 2022 | +93,300 | New Buy | 93,300 | $0.02 |
| Q3 2022 | -41,500 | Sold Out | 0 | $0.00 |
| Q2 2022 | +8,300 | Add 25.00% | 41,500 | $19.47 |
| Q1 2022 | +4,800 | Add 16.90% | 33,200 | $22.02 |
| Q4 2021 | -6,900 | Reduce 19.55% | 28,400 | $15.95 |
| Q3 2021 | -14,100 | Reduce 28.54% | 35,300 | $19.92 |
| Q2 2021 | +49,400 | New Buy | 49,400 | $17.29 |
| Q1 2021 | -42,900 | Sold Out | 0 | $0.00 |
| Q4 2020 | +42,900 | New Buy | 42,900 | $17.46 |
| Q3 2020 | -13,000 | Sold Out | 0 | $0.00 |
| Q2 2020 | +13,000 | New Buy | 13,000 | $19.46 |
Renaissance Technologies (RenTech)'s Mirum Pharmaceuticals Investment FAQs
Renaissance Technologies (RenTech) first purchased Mirum Pharmaceuticals, Inc. (MIRM) in Q2 2020, acquiring 13,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies (RenTech) has held Mirum Pharmaceuticals, Inc. (MIRM) for 23 quarters since Q2 2020.
Renaissance Technologies (RenTech)'s largest addition to Mirum Pharmaceuticals, Inc. (MIRM) was in Q2 2025, adding 396,348 shares worth $20.17 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 582,085 shares of Mirum Pharmaceuticals, Inc. (MIRM), valued at approximately $53.77 M.
As of the Q1 2026 filing, Mirum Pharmaceuticals, Inc. (MIRM) represents approximately 0.08% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Mirum Pharmaceuticals, Inc. (MIRM) was 582,085 shares, as reported at the end of Q1 2026.