PEAK6’s Penumbra PEN Stock Holding History

PEAK6’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 Q2	$821K	Buy	+2,600	New	+$842K	﹤0.01%	1777
2025 Q2	–	Sell	-10,800	Closed	-$2.89M	–	3380
2025 Q1	$2.89M	Buy	+10,800	New	+$2.92M	0.01%	1217

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

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

PEAK6's PEN Position: Q2 2026 in Review

PEAK6 opened a new position in Penumbra (PEN) in Q2 2026: 2,600 shares worth $821K. The stake represents ﹤0.01% of the portfolio and ranks #1776 among its holdings. This is a return to the name: PEAK6 previously reported a position in PEN as recently as Q1 2025.

PEAK6 first reported a position in PEN in Q1 2025 and has held it in 2 quarters since. 451 funds tracked by Wall St. Rank hold PEN as of Q2 2026.

PEAK6 held 2,600 shares of Penumbra worth $821K as of Q2 2026.
Penumbra was a new PEAK6 position in Q2 2026.
Penumbra made up ﹤0.01% of PEAK6's portfolio in Q2 2026, its #1776 holding.
PEAK6 first reported a position in Penumbra in Q1 2025 and has held it in 2 quarters since.
451 funds tracked by Wall St. Rank held Penumbra as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.