Acadian Asset Management
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Acadian Asset Management’s Penumbra PEN Stock Holding History

Acadian Asset Management’s Portfolio PEN Stock Details PEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-4,322
Closed -$1.34M – 2202
2025
Q4 		$1.34M Sell
4,322
-11,319
-72% -$3.13M ﹤0.01% 1026
2025
Q3 		$3.96M Sell
15,641
-48,953
-76% -$12.3M 0.01% 704
2025
Q2 		$16.6M Buy
+64,594
New +$17.6M 0.03% 343
2021
Q4 		– Sell
-556
Closed -$147K – 1813
2021
Q3 		$147K Buy
556
+272
+96% +$73.1K ﹤0.01% 1371
2021
Q2 		$78K Buy
+284
New +$77.5K ﹤0.01% 1700
2021
Q1 		– Sell
-132
Closed -$23K – 2264
2020
Q4 		$23K Buy
+132
New +$28.9K ﹤0.01% 2128

Other funds holding PEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
HI
HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Acadian Asset Management's PEN Position: Q1 2026 in Review

Acadian Asset Management sold out of Penumbra (PEN) in Q1 2026, closing a stake of 4,322 shares — an estimated $1.34M sold.

Acadian Asset Management first reported a position in PEN in Q4 2020 and held it in 6 quarters. The position peaked at $16.6M in Q2 2025. 485 funds tracked by Wall St. Rank hold PEN as of Q1 2026.

  • Acadian Asset Management reported no remaining Penumbra position as of Q1 2026 after selling out during the quarter.
  • Acadian Asset Management sold 4,322 Penumbra shares in Q1 2026, an estimated $1.34M.
  • Acadian Asset Management first reported a position in Penumbra in Q4 2020 and held it in 6 quarters.
  • Acadian Asset Management's Penumbra position peaked at $16.6M in Q2 2025.
  • 485 funds tracked by Wall St. Rank held Penumbra as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.