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PDT Partners’s Mirum Pharmaceuticals MIRM Stock Holding History

PDT Partners’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 		$14.3M Sell
122,041
-23,338
-16% -$2.34M 0.75% 26
2026
Q1 		$13.4M Hold
145,379
– – 0.79% 16
2025
Q4 		$11.5M Hold
145,379
– – 0.74% 13
2025
Q3 		$10.7M Hold
145,379
– – 0.67% 19
2025
Q2 		$7.4M Buy
145,379
+7,884
+6% +$351K 0.42% 48
2025
Q1 		$6.19M Buy
137,495
+23,782
+21% +$1.12M 0.44% 37
2024
Q4 		$4.7M Buy
113,713
+1
+0% +$42 0.42% 40
2024
Q3 		$4.43M Buy
113,712
+74,349
+189% +$2.97M 0.39% 39
2024
Q2 		$1.35M Buy
+39,363
New +$1.03M 0.13% 284
2022
Q3 		– Sell
-16,607
Closed -$323K – 985
2022
Q2 		$323K Sell
16,607
-124
-0.7% -$2.92K 0.03% 725
2022
Q1 		$368K Sell
16,731
-5,019
-23% -$102K 0.03% 655
2021
Q4 		$347K Buy
+21,750
New +$338K 0.03% 633
2021
Q3 		– Sell
-18,546
Closed -$321K – 854
2021
Q2 		$321K Buy
+18,546
New +$332K 0.02% 605

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

PDT Partners's MIRM Position: Q2 2026 in Review

PDT Partners reduced its Mirum Pharmaceuticals (MIRM) stake by 16% in Q2 2026, selling an estimated $2.34M and leaving 122,041 shares worth $14.3M. The position accounts for 0.75% of the portfolio, ranked #26.

PDT Partners first reported a position in MIRM in Q2 2021 and has held it in 13 quarters since. 327 funds tracked by Wall St. Rank hold MIRM as of Q2 2026.

  • PDT Partners held 122,041 shares of Mirum Pharmaceuticals worth $14.3M as of Q2 2026.
  • PDT Partners sold 23,338 Mirum Pharmaceuticals shares in Q2 2026, an estimated $2.34M.
  • Mirum Pharmaceuticals made up 0.75% of PDT Partners's portfolio in Q2 2026, its #26 holding.
  • PDT Partners first reported a position in Mirum Pharmaceuticals in Q2 2021 and has held it in 13 quarters since.
  • 327 funds tracked by Wall St. Rank held Mirum Pharmaceuticals as of Q2 2026.

Based on PDT Partners's 13F filing for Q2 2026, filed 14 Aug 2026.