Michael Gelband’s Penumbra PEN Stock Holding History

Michael Gelband’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
2021 Q1	–	Sell	-14,400	Closed	-$2.52M	–	2482
2020 Q4	$2.52M	Buy	14,400 +4,400	+44%	+$964K	0.02%	453
2020 Q3	$1.94M	Buy	+10,000	New	+$2.1M	0.04%	418

Other funds holding PEN

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

HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 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

Michael Gelband's PEN Position: Q2 2026 in Review

Michael Gelband increased its Penumbra (PEN) stake by 134% in Q2 2026, buying an estimated $203M and bringing the position to 1,090,430 shares worth $344M. The position accounts for 2.22% of the portfolio, ranked #7.

Michael Gelband first reported a position in PEN in Q1 2019 and has held it in 16 quarters since. 448 funds tracked by Wall St. Rank hold PEN as of Q2 2026.

Michael Gelband held 1,090,430 shares of Penumbra worth $344M as of Q2 2026.
Michael Gelband bought 625,215 Penumbra shares in Q2 2026, an estimated $203M.
Penumbra made up 2.22% of Michael Gelband's portfolio in Q2 2026, its #7 holding.
Michael Gelband first reported a position in Penumbra in Q1 2019 and has held it in 16 quarters since.
448 funds tracked by Wall St. Rank held Penumbra as of Q2 2026.

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