Balyasny Asset Management’s Penumbra PEN Stock Holding History

Balyasny 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
2019 Q2	–	Sell	-30,000	Closed	-$4.41M	–	1673
2019 Q1	$4.41M	Buy	+30,000	New	+$4.29M	0.03%	595
2018 Q3	–	Sell	-23,000	Closed	-$3.18M	–	1953
2018 Q2	$3.18M	Buy	+23,000	New	+$3.27M	0.01%	795

Other funds holding PEN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

HBK Investments Dallas, Texas $10.3B AUM 67.69% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

ECM

ExodusPoint Capital Management New York $15.5B AUM 38.81% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Balyasny Asset Management's PEN Position: Q2 2026 in Review

Balyasny Asset Management increased its Penumbra (PEN) stake by 43% in Q2 2026, buying an estimated $106M and bringing the position to 1,090,163 shares worth $344M. The position accounts for 0.43% of the portfolio, ranked #30.

Balyasny Asset Management first reported a position in PEN in Q3 2016 and has held it in 22 quarters since. 451 funds tracked by Wall St. Rank hold PEN as of Q2 2026.

Balyasny Asset Management held 1,090,163 shares of Penumbra worth $344M as of Q2 2026.
Balyasny Asset Management bought 328,067 Penumbra shares in Q2 2026, an estimated $106M.
Penumbra made up 0.43% of Balyasny Asset Management's portfolio in Q2 2026, its #30 holding.
Balyasny Asset Management first reported a position in Penumbra in Q3 2016 and has held it in 22 quarters since.
451 funds tracked by Wall St. Rank held Penumbra as of Q2 2026.

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