Deerfield Management’s Mirum Pharmaceuticals MIRM Stock Holding History

Deerfield 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	$706K	Buy	+6,027	New	+$605K	0.01%	78
2023 Q2	–	Sell	-2,032,335	Closed	-$48.8M	–	107
2023 Q1	$48.8M	Hold	2,032,335	–	–	1.09%	27
2022 Q4	$39.6M	Hold	2,032,335	–	–	0.82%	35
2022 Q3	$42.7M	Sell	2,032,335 -1,212,099	-37%	-$29.2M	0.85%	39
2022 Q2	$63.1M	Sell	3,244,434 -38,478	-1%	-$908K	1.3%	24
2022 Q1	$72.3M	Hold	3,282,912	–	–	1.62%	22
2021 Q4	$52.4M	Hold	3,282,912	–	–	1.1%	30
2021 Q3	$65.4M	Sell	3,282,912 -166,000	-5%	-$2.7M	1.28%	21
2021 Q2	$59.6M	Hold	3,448,912	–	–	1.06%	22
2021 Q1	$68.4M	Hold	3,448,912	–	–	1.44%	18
2020 Q4	$60.2M	Hold	3,448,912	–	–	1.19%	21
2020 Q3	$66.5M	Hold	3,448,912	–	–	1.62%	18
2020 Q2	$67.1M	Hold	3,448,912	–	–	1.95%	13
2020 Q1	$48.3M	Hold	3,448,912	–	–	1.53%	19
2019 Q4	$84.6M	Hold	3,448,912	–	–	2.7%	9
2019 Q3	$34.7M	Buy	+3,448,912	New	+$42.3M	1.41%	17

Other funds holding MIRM

FLSM

Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return

Jupiter Topco New York $245B AUM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Deerfield Management's MIRM Position: Q2 2026 in Review

Deerfield Management opened a new position in Mirum Pharmaceuticals (MIRM) in Q2 2026: 6,027 shares worth $706K. The stake represents 0.01% of the portfolio and ranks #78 among its holdings. This is a return to the name: Deerfield Management previously reported a position in MIRM as recently as Q1 2023.

Deerfield Management first reported a position in MIRM in Q3 2019 and has held it in 16 quarters since. The position peaked at $84.6M in Q4 2019. 327 funds tracked by Wall St. Rank hold MIRM as of Q2 2026.

Deerfield Management held 6,027 shares of Mirum Pharmaceuticals worth $706K as of Q2 2026.
Mirum Pharmaceuticals was a new Deerfield Management position in Q2 2026.
Mirum Pharmaceuticals made up 0.01% of Deerfield Management's portfolio in Q2 2026, its #78 holding.
Deerfield Management first reported a position in Mirum Pharmaceuticals in Q3 2019 and has held it in 16 quarters since.
Deerfield Management's Mirum Pharmaceuticals position peaked at $84.6M in Q4 2019.
327 funds tracked by Wall St. Rank held Mirum Pharmaceuticals as of Q2 2026.

Based on Deerfield Management's 13F filing for Q2 2026, filed 14 Aug 2026.