Optiver Holding’s Penumbra PEN Stock Holding History

Optiver Holding’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
2025 Q3	–	Sell	-78	Closed	-$20K	–	2837
2025 Q2	$20K	Buy	78 +25	+47%	+$6.8K	﹤0.01%	834
2025 Q1	$14.2K	Buy	+53	New	+$14.3K	﹤0.01%	797

Other funds holding PEN

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

Optiver Holding's PEN Position: Q3 2025 in Review

Optiver Holding sold out of Penumbra (PEN) in Q3 2025, closing a stake of 78 shares — an estimated $20K sold.

Optiver Holding first reported a position in PEN in Q1 2025 and held it in 2 quarters. The position peaked at $20K in Q2 2025. 420 funds tracked by Wall St. Rank hold PEN as of Q3 2025.

Optiver Holding reported no remaining Penumbra position as of Q3 2025 after selling out during the quarter.
Optiver Holding sold 78 Penumbra shares in Q3 2025, an estimated $20K.
Optiver Holding first reported a position in Penumbra in Q1 2025 and held it in 2 quarters.
Optiver Holding's Penumbra position peaked at $20K in Q2 2025.
420 funds tracked by Wall St. Rank held Penumbra as of Q3 2025.

Based on Optiver Holding's 13F filing for Q3 2025, filed 10 Nov 2025.