First Turn Management’s Mirum Pharmaceuticals MIRM Stock Holding History

First Turn 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 Q1	$37M	Sell	400,464 -81,100	-17%	-$7.63M	4.13%	9
2025 Q4	$38M	Sell	481,564 -89,005	-16%	-$6.39M	4.35%	5
2025 Q3	$41.8M	Buy	570,569 +43,029	+8%	+$2.74M	6.28%	2
2025 Q2	$26.8M	Buy	527,540 +24,526	+5%	+$1.09M	5.01%	3
2025 Q1	$22.7M	Sell	503,014 -3,894	-0.8%	-$184K	4.57%	7
2024 Q4	$21M	Sell	506,908 -140,703	-22%	-$5.86M	3.75%	9
2024 Q3	$25.3M	Sell	647,611 -55,787	-8%	-$2.23M	4%	4
2024 Q2	$24M	Sell	703,398 -255,256	-27%	-$6.69M	3.91%	5
2024 Q1	$24.1M	Buy	958,654 +122,352	+15%	+$3.36M	3.6%	11
2023 Q4	$24.7M	Buy	+836,302	New	+$25.3M	3.55%	12

Other funds holding MIRM

FLSM

Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

EAM

Eventide Asset Management Boston, Massachusetts $6.05B AUM 76.64% 1-Year Est. Return

First Turn Management's MIRM Position: Q1 2026 in Review

First Turn Management reduced its Mirum Pharmaceuticals (MIRM) stake by 17% in Q1 2026, selling an estimated $7.63M and leaving 400,464 shares worth $37M. The position accounts for 4.13% of the portfolio, ranked #9.

First Turn Management first reported a position in MIRM in Q4 2023 and has held it in 10 quarters since. The position peaked at $41.8M in Q3 2025. 311 funds tracked by Wall St. Rank hold MIRM as of Q1 2026.

First Turn Management held 400,464 shares of Mirum Pharmaceuticals worth $37M as of Q1 2026.
First Turn Management sold 81,100 Mirum Pharmaceuticals shares in Q1 2026, an estimated $7.63M.
Mirum Pharmaceuticals made up 4.13% of First Turn Management's portfolio in Q1 2026, its #9 holding.
First Turn Management first reported a position in Mirum Pharmaceuticals in Q4 2023 and has held it in 10 quarters since.
First Turn Management's Mirum Pharmaceuticals position peaked at $41.8M in Q3 2025.
311 funds tracked by Wall St. Rank held Mirum Pharmaceuticals as of Q1 2026.

Based on First Turn Management's 13F filing for Q1 2026, filed 15 May 2026.