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Essex Investment Management’s Mirum Pharmaceuticals MIRM Stock Holding History

Essex Investment 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
2026
Q2 		$12.4M Sell
105,669
-2,669
-2% -$268K 1.62% 9
2026
Q1 		$10M Sell
108,338
-2,972
-3% -$280K 1.58% 11
2025
Q4 		$8.79M Sell
111,310
-2,148
-2% -$154K 1.34% 14
2025
Q3 		$8.32M Buy
113,458
+727
+0.6% +$46.2K 1.27% 14
2025
Q2 		$5.74M Buy
+112,731
New +$5.02M 1.04% 22

Other funds holding MIRM

FLSM
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Essex Investment Management's MIRM Position: Q2 2026 in Review

Essex Investment Management reduced its Mirum Pharmaceuticals (MIRM) stake by 2.5% in Q2 2026, selling an estimated $268K and leaving 105,669 shares worth $12.4M. The position accounts for 1.62% of the portfolio, ranked #9.

Essex Investment Management first reported a position in MIRM in Q2 2025 and has held it in 5 quarters since. 327 funds tracked by Wall St. Rank hold MIRM as of Q2 2026.

  • Essex Investment Management held 105,669 shares of Mirum Pharmaceuticals worth $12.4M as of Q2 2026.
  • Essex Investment Management sold 2,669 Mirum Pharmaceuticals shares in Q2 2026, an estimated $268K.
  • Mirum Pharmaceuticals made up 1.62% of Essex Investment Management's portfolio in Q2 2026, its #9 holding.
  • Essex Investment Management first reported a position in Mirum Pharmaceuticals in Q2 2025 and has held it in 5 quarters since.
  • 327 funds tracked by Wall St. Rank held Mirum Pharmaceuticals as of Q2 2026.

Based on Essex Investment Management's 13F filing for Q2 2026, filed 6 Aug 2026.