Group One Trading’s Mirum Pharmaceuticals MIRM Stock Holding History

Group One Trading’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	$43.3K	Buy	+370	New	+$37.1K	﹤0.01%	5487
2026 Q1	–	Sell	-872	Closed	-$68.9K	–	8301
2025 Q4	$68.9K	Buy	872 +640	+276%	+$45.9K	﹤0.01%	5319
2025 Q3	$17K	Buy	232 +186	+404%	+$11.8K	﹤0.01%	6821
2025 Q2	$2.34K	Buy	+46	New	+$2.05K	﹤0.01%	7370
2023 Q4	–	Sell	-1,527	Closed	-$46.2K	–	7865
2023 Q3	$48.3K	Buy	1,527 +880	+136%	+$24.1K	﹤0.01%	5128
2023 Q2	$16.7K	Buy	647 +347	+116%	+$9.23K	﹤0.01%	6100
2023 Q1	$7.21K	Buy	+300	New	+$6.84K	﹤0.01%	6122
2022 Q3	–	Sell	-500	Closed	-$10K	–	7949
2022 Q2	$10K	Sell	500 -1,500	-75%	-$35.4K	﹤0.01%	6757
2022 Q1	$44K	Hold	2,000	–	–	﹤0.01%	6187
2021 Q4	$32K	Sell	2,000 -3,000	-60%	-$46.7K	﹤0.01%	6676
2021 Q3	$100K	Buy	+5,000	New	+$81.3K	﹤0.01%	5911

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

Group One Trading's MIRM Position: Q2 2026 in Review

Group One Trading opened a new position in Mirum Pharmaceuticals (MIRM) in Q2 2026: 370 shares worth $43.3K. The stake represents ﹤0.01% of the portfolio and ranks #5487 among its holdings. This is a return to the name: Group One Trading previously reported a position in MIRM as recently as Q4 2025.

Group One Trading first reported a position in MIRM in Q3 2021 and has held it in 11 quarters since. The position peaked at $100K in Q3 2021. 327 funds tracked by Wall St. Rank hold MIRM as of Q2 2026.

Group One Trading held 370 shares of Mirum Pharmaceuticals worth $43.3K as of Q2 2026.
Mirum Pharmaceuticals was a new Group One Trading position in Q2 2026.
Mirum Pharmaceuticals made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #5487 holding.
Group One Trading first reported a position in Mirum Pharmaceuticals in Q3 2021 and has held it in 11 quarters since.
Group One Trading's Mirum Pharmaceuticals position peaked at $100K in Q3 2021.
327 funds tracked by Wall St. Rank held Mirum Pharmaceuticals as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.