Companies / Mirum Pharmaceuticals, Inc. / Activity
Activity — Mirum Pharmaceuticals, Inc.
113 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $87.19M | +745K +20.43% | 4,390,063 6.76% of shares | high |
| Q1 2026 as of | Janus Henderson Group PLC 13F manager | Add | Common stock | $81.36M | +881K +14.52% | 6,945,813 10.70% of shares | high |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Trim | Common stock | $-72.12M | -781K -82.34% | 167,489 0.26% of shares | high |
| Q1 2026 as of | Baker Bros. Advisors LP 13F manager | New | Common stock | $41.20M | +446K | 445,975 0.69% of shares | medium |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $35.69M | +386K +99.42% | 774,841 1.19% of shares | medium |
| Q1 2026 as of | RA Capital Management, L.P. 13F manager | New | Common stock | $29.43M | +319K | 318,554 0.49% of shares | medium |
| Q1 2026 as of | Arrowstreet Capital, Limited Partnership 13F manager | Trim | Common stock | $-28.14M | -305K -81.78% | 67,885 0.10% of shares | medium |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Add | Common stock | $25.51M | +323K +82.71% | 713,452 1.10% of shares | medium |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Add | Common stock | $23.62M | +256K +38.98% | 911,419 1.40% of shares | medium |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | Add | Common stock | $23.39M | +253K +88.56% | 539,031 0.83% of shares | medium |
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-20.79M | -263K -100.00% | 0 | medium |
| Q4 2025 as of | Norges Bank 13F manager | New | Common stock | $20.79M | +263K | 263,175 0.41% of shares | medium |
| Q1 2026 as of | Perceptive Advisors LLC 13F manager | Exit | Common stock | $-20.50M | -260K -100.00% | 0 | medium |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $18.21M | +197K +18.54% | 1,260,003 1.94% of shares | medium |
| Q1 2026 as of | Clearbridge Investments, LLC 13F manager | Trim | Common stock | $-17.93M | -194K -22.41% | 671,870 1.03% of shares | medium |
| Q1 2026 as of | Palo Alto Investors LP 13F manager | Add | Common stock | $15.59M | +169K +107.88% | 325,175 0.50% of shares | medium |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Add | Common stock | $13.21M | +143K +32.57% | 582,085 0.90% of shares | medium |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Trim | Common stock | $-12.31M | -105K -56.30% | 81,586 0.13% of shares | medium |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common stock | $11.48M | +124K +50.89% | 368,575 0.57% of shares | medium |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Trim | Common stock | $-9.06M | -98K -95.47% | 4,650 <0.01% of shares | medium |
| Q1 2026 as of | Adage Capital Partners Gp, L.L.C. 13F manager | Trim | Common stock | $-8.54M | -92K -19.78% | 375,000 0.58% of shares | medium |
| Q1 2026 as of | Bvf INC/IL 13F manager | Add | Common stock | $8.26M | +89K +5.98% | 1,584,727 2.44% of shares | medium |
| Q1 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-7.69M | -171K -67.73% | 81,304 0.13% of shares | medium |
| Q1 2026 as of | Nicholas Investment Partners, LP 13F manager | Trim | Common stock | $-7.58M | -82K -38.47% | 131,303 0.20% of shares | medium |
| Q4 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-5.88M | -199K -66.59% | 99,922 0.15% of shares | medium |
| Q1 2026 as of | Novo Holdings A/S 13F manager | Add | Common stock | $5.63M | +61K +4.82% | 1,325,000 2.04% of shares | medium |
| Q1 2026 as of | Atle Fund Management AB 13F manager | Add | Common stock | $5.09M | +106K +118.28% | 195,768 0.30% of shares | medium |
| Q1 2024 as of | Barclays PLC 13F manager | Add | Common stock | $4.39M | +175K +175.08% | 274,866 0.42% of shares | low |
| Q2 2026 as of | Rice Hall James & Associates, LLC 13F manager | Trim | Common stock | $-4.26M | -36K -24.73% | 110,673 0.17% of shares | low |
| Q2 2026 as of | Victory Capital Management, Inc. 13F manager | Trim | Common stock | $-4.06M | -35K -36.31% | 60,861 0.09% of shares | low |
| Q1 2026 as of | Capital Fund Management S.A. 13F manager | Trim | Common stock | $-3.94M | -43K -68.48% | 19,638 0.03% of shares | low |
| Q2 2025 as of | Barclays PLC 13F manager | Add | Common stock | $3.74M | +74K +90.48% | 154,871 0.24% of shares | low |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $3.13M | +27K +1.25% | 2,170,689 3.34% of shares | low |
| Q1 2026 as of | Prudential Financial Inc 13F manager | Trim | Common stock | $-3.10M | -34K -67.08% | 16,495 0.03% of shares | low |
| Q3 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-2.87M | -39K -25.25% | 115,771 0.18% of shares | low |
| Q1 2026 as of | Emerald Advisers, LLC 13F manager | Add | Common stock | $2.78M | +30K +8.21% | 397,263 0.61% of shares | low |
| Q1 2026 as of | Principal Financial Group Inc 13F manager | Add | Common stock | $2.38M | +26K +81.21% | 57,369 0.09% of shares | low |
| Q1 2026 as of | Penn Capital Management Company, LLC 13F manager | Trim | Common stock | $-2.33M | -25K -8.92% | 256,767 0.40% of shares | low |
| Q1 2026 as of | CPPIB Crestone Peak Resources Canada Inc. 13F manager | Trim | Common stock | $-2.30M | -25K -73.88% | 8,800 0.01% of shares | low |
| Q1 2026 as of | Federated Hermes Inc 13F manager | Add | Common stock | $2.24M | +24K +5.03% | 506,211 0.78% of shares | low |
| Q1 2026 as of | Rafferty Asset Management, LLC 13F manager | Trim | Common stock | $-2.20M | -24K -32.60% | 49,160 0.08% of shares | low |
| Q1 2026 as of | Victory Capital Management, Inc. 13F manager | Add | Common stock | $2.16M | +23K +32.36% | 95,555 0.15% of shares | low |
| Q4 2025 as of | Barclays PLC 13F manager | Add | Common stock | $2.08M | +26K +22.78% | 142,144 0.22% of shares | low |
| Q1 2026 as of | Los Angeles Capital Management LLC 13F manager | Trim | Common stock | $-2.05M | -22K -79.67% | 5,672 <0.01% of shares | low |
| Q1 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-1.88M | -78K -20.69% | 299,463 0.46% of shares | low |
| Q1 2026 as of | TimesSquare Capital Management, LLC 13F manager | Trim | Common stock | $-1.79M | -19K -4.89% | 376,473 0.58% of shares | low |
| Q1 2026 as of | Bank of New York Mellon Corp/The 13F manager | Add | Common stock | $1.75M | +19K +3.35% | 584,523 0.90% of shares | low |
| Q1 2026 as of | Next Century Growth Investors LLC 13F manager | Add | Common stock | $1.62M | +18K +4.76% | 385,539 0.59% of shares | low |
| Q1 2026 as of | Rice Hall James & Associates, LLC 13F manager | Trim | Common stock | $-1.61M | -17K -10.59% | 147,037 0.23% of shares | low |
| Q1 2026 as of | HighVista Strategies LLC 13F manager | New | Common stock | $1.44M | +16K | 15,563 0.02% of shares | low |