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Fox Run Management’s Mirum Pharmaceuticals MIRM Stock Holding History

Fox Run Management’s Portfolio MIRM Stock Details MIRM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-3,158
Closed -$232K – 1119
2025
Q3 		$232K Buy
+3,158
New +$201K 0.04% 763
2025
Q2 		– Sell
-15,691
Closed -$707K – 1080
2025
Q1 		$707K Buy
+15,691
New +$740K 0.11% 327

Other funds holding MIRM

FLSM
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
EAM
Eventide Asset Management Boston, Massachusetts $7.48B AUM 104.76% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
NHAS
Novo Holdings A/S Hellerup, Denmark $1.72B AUM 106.92% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Fox Run Management's MIRM Position: Q4 2025 in Review

Fox Run Management sold out of Mirum Pharmaceuticals (MIRM) in Q4 2025, closing a stake of 3,158 shares — an estimated $232K sold.

Fox Run Management first reported a position in MIRM in Q1 2025 and held it in 2 quarters. The position peaked at $707K in Q1 2025. 282 funds tracked by Wall St. Rank hold MIRM as of Q4 2025.

  • Fox Run Management reported no remaining Mirum Pharmaceuticals position as of Q4 2025 after selling out during the quarter.
  • Fox Run Management sold 3,158 Mirum Pharmaceuticals shares in Q4 2025, an estimated $232K.
  • Fox Run Management first reported a position in Mirum Pharmaceuticals in Q1 2025 and held it in 2 quarters.
  • Fox Run Management's Mirum Pharmaceuticals position peaked at $707K in Q1 2025.
  • 282 funds tracked by Wall St. Rank held Mirum Pharmaceuticals as of Q4 2025.

Based on Fox Run Management's 13F filing for Q4 2025, filed 11 Feb 2026.