Wellington Management Group
MIRM icon

Wellington Management Group’s Mirum Pharmaceuticals MIRM Stock Holding History

Wellington Management 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 		$153M Sell
1,309,987
-24,822
-2% -$2.49M 0.03% 445
2026
Q1 		$123M Buy
1,334,809
+96,979
+8% +$9.12M 0.02% 494
2025
Q4 		$97.8M Buy
1,237,830
+447,141
+57% +$32.1M 0.02% 553
2025
Q3 		$58M Buy
790,689
+672,118
+567% +$42.7M 0.01% 687
2025
Q2 		$6.03M Buy
118,571
+5,647
+5% +$251K ﹤0.01% 1345
2025
Q1 		$5.09M Sell
112,924
-5,277
-4% -$249K ﹤0.01% 1369
2024
Q4 		$4.89M Sell
118,201
-4,133
-3% -$172K ﹤0.01% 1356
2024
Q3 		$4.77M Buy
122,334
+46,918
+62% +$1.87M ﹤0.01% 1341
2024
Q2 		$2.58M Buy
75,416
+4,974
+7% +$130K ﹤0.01% 1463
2024
Q1 		$1.77M Buy
+70,442
New +$1.94M ﹤0.01% 1545
2023
Q2 		– Sell
-154,750
Closed -$3.72M – 1931
2023
Q1 		$3.72M Buy
154,750
+98
+0.1% +$2.23K ﹤0.01% 1355
2022
Q4 		$3.02M Sell
154,652
-10,746
-6% -$212K ﹤0.01% 1403
2022
Q3 		$3.48M Sell
165,398
-12,098
-7% -$291K ﹤0.01% 1380
2022
Q2 		$3.45M Hold
177,496
– – ﹤0.01% 1419
2022
Q1 		$3.91M Sell
177,496
-715
-0.4% -$14.6K ﹤0.01% 1444
2021
Q4 		$2.84M Sell
178,211
-186,489
-51% -$2.9M ﹤0.01% 1594
2021
Q3 		$7.26M Buy
364,700
+18,700
+5% +$304K ﹤0.01% 1390
2021
Q2 		$5.98M Buy
346,000
+238,300
+221% +$4.27M ﹤0.01% 1454
2021
Q1 		$2.13M Buy
107,700
+22,300
+26% +$427K ﹤0.01% 1614
2020
Q4 		$1.49M Buy
+85,400
New +$1.68M ﹤0.01% 1541

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

Wellington Management Group's MIRM Position: Q2 2026 in Review

Wellington Management Group reduced its Mirum Pharmaceuticals (MIRM) stake by 1.9% in Q2 2026, selling an estimated $2.49M and leaving 1,309,987 shares worth $153M. The position accounts for 0.03% of the portfolio, ranked #445.

Wellington Management Group first reported a position in MIRM in Q4 2020 and has held it in 20 quarters since. 328 funds tracked by Wall St. Rank hold MIRM as of Q2 2026.

  • Wellington Management Group held 1,309,987 shares of Mirum Pharmaceuticals worth $153M as of Q2 2026.
  • Wellington Management Group sold 24,822 Mirum Pharmaceuticals shares in Q2 2026, an estimated $2.49M.
  • Mirum Pharmaceuticals made up 0.03% of Wellington Management Group's portfolio in Q2 2026, its #445 holding.
  • Wellington Management Group first reported a position in Mirum Pharmaceuticals in Q4 2020 and has held it in 20 quarters since.
  • 328 funds tracked by Wall St. Rank held Mirum Pharmaceuticals as of Q2 2026.

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