Alyeska Investment Group
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Alyeska Investment Group’s Penumbra PEN Stock Holding History

Alyeska Investment Group’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
-101,738
Closed -$31.6M – 714
2025
Q4 		$31.6M Buy
+101,738
New +$28.1M 0.09% 245
2022
Q4 		– Sell
-15,000
Closed -$2.84M – 491
2022
Q3 		$2.84M Buy
+15,000
New +$2.41M 0.03% 300
2021
Q2 		– Sell
-3,161
Closed -$855K – 812
2021
Q1 		$855K Buy
+3,161
New +$816K 0.01% 610
2019
Q2 		– Sell
-3,219
Closed -$473K – 505
2019
Q1 		$473K Buy
+3,219
New +$460K 0.01% 348
2018
Q4 		– Sell
-1,577
Closed -$236K – 447
2018
Q3 		$236K Buy
+1,577
New +$221K ﹤0.01% 391

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 $10.3B AUM 67.69% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 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

Alyeska Investment Group's PEN Position: Q1 2026 in Review

Alyeska Investment Group sold out of Penumbra (PEN) in Q1 2026, closing a stake of 101,738 shares — an estimated $31.6M sold.

Alyeska Investment Group first reported a position in PEN in Q3 2018 and held it in 5 quarters. The position peaked at $31.6M in Q4 2025. 485 funds tracked by Wall St. Rank hold PEN as of Q1 2026.

  • Alyeska Investment Group reported no remaining Penumbra position as of Q1 2026 after selling out during the quarter.
  • Alyeska Investment Group sold 101,738 Penumbra shares in Q1 2026, an estimated $31.6M.
  • Alyeska Investment Group first reported a position in Penumbra in Q3 2018 and held it in 5 quarters.
  • Alyeska Investment Group's Penumbra position peaked at $31.6M in Q4 2025.
  • 485 funds tracked by Wall St. Rank held Penumbra as of Q1 2026.

Based on Alyeska Investment Group's 13F filing for Q1 2026, filed 15 May 2026.