Russell Investments Group
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Russell Investments Group’s Mirum Pharmaceuticals MIRM Stock Holding History

Russell Investments Group’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 		$25.7M Buy
219,462
+22,369
+11% +$2.25M 0.02% 636
2026
Q1 		$18.2M Sell
197,093
-12,081
-6% -$1.14M 0.02% 683
2025
Q4 		$16.5M Sell
209,174
-69,589
-25% -$4.99M 0.02% 700
2025
Q3 		$20.4M Buy
278,763
+31,030
+13% +$1.97M 0.02% 614
2025
Q2 		$12.6M Buy
247,733
+18,284
+8% +$814K 0.02% 754
2025
Q1 		$10.3M Buy
229,449
+203,489
+784% +$9.59M 0.01% 809
2024
Q4 		$1.07M Buy
25,960
+1,945
+8% +$81K ﹤0.01% 1983
2024
Q3 		$937K Buy
24,015
+6,518
+37% +$260K ﹤0.01% 2047
2024
Q2 		$598K Buy
17,497
+16
+0.1% +$419 ﹤0.01% 2139
2024
Q1 		$439K Buy
17,481
+1,825
+12% +$50.2K ﹤0.01% 2243
2023
Q4 		$462K Sell
15,656
-765
-5% -$23.2K ﹤0.01% 2238
2023
Q3 		$519K Sell
16,421
-1,131
-6% -$31K ﹤0.01% 2218
2023
Q2 		$454K Buy
17,552
+3,271
+23% +$87K ﹤0.01% 2253
2023
Q1 		$343K Sell
14,281
-15,560
-52% -$355K ﹤0.01% 2368
2022
Q4 		$582K Sell
29,841
-172,394
-85% -$3.41M ﹤0.01% 2218
2022
Q3 		$4.25M Buy
202,235
+121,861
+152% +$2.93M 0.01% 1137
2022
Q2 		$1.56M Buy
80,374
+68,441
+574% +$1.61M ﹤0.01% 1720
2022
Q1 		$262K Sell
11,933
-26,159
-69% -$534K ﹤0.01% 2406
2021
Q4 		$606K Buy
+38,092
New +$593K ﹤0.01% 2371
2021
Q3 		– Sell
-2,600
Closed -$44K – 3149
2021
Q2 		$44K Buy
+2,600
New +$46.6K ﹤0.01% 3139

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

Russell Investments Group's MIRM Position: Q2 2026 in Review

Russell Investments Group increased its Mirum Pharmaceuticals (MIRM) stake by 11% in Q2 2026, buying an estimated $2.25M and bringing the position to 219,462 shares worth $25.7M. The position accounts for 0.02% of the portfolio, ranked #636.

Russell Investments Group first reported a position in MIRM in Q2 2021 and has held it in 20 quarters since. 327 funds tracked by Wall St. Rank hold MIRM as of Q2 2026.

  • Russell Investments Group held 219,462 shares of Mirum Pharmaceuticals worth $25.7M as of Q2 2026.
  • Russell Investments Group bought 22,369 Mirum Pharmaceuticals shares in Q2 2026, an estimated $2.25M.
  • Mirum Pharmaceuticals made up 0.02% of Russell Investments Group's portfolio in Q2 2026, its #636 holding.
  • Russell Investments Group first reported a position in Mirum Pharmaceuticals in Q2 2021 and has held it in 20 quarters since.
  • 327 funds tracked by Wall St. Rank held Mirum Pharmaceuticals as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.