Marshall Wace’s WISeKey WKEY Stock Holding History

Marshall Wace’s Portfolio WKEY Stock Details WKEY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$239K	Buy	38,992 +10,454	+37%	+$78.1K	﹤0.01%	2717
2025 Q4	$224K	Buy	+28,538	New	+$271K	﹤0.01%	2559
2021 Q1	–	Sell	-2,588	Closed	-$92K	–	2901
2020 Q4	$92K	Buy	+2,588	New	+$77.4K	﹤0.01%	1804

Other funds holding WKEY

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

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

FWM

Finer Wealth Management Salem, Massachusetts $199M AUM 31.61% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return

Virtu Financial New York $2.41B AUM 48.35% 1-Year Est. Return

XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return

SBI Securities Tokyo, Japan $4.4B AUM 74.25% 1-Year Est. Return

Bank of Montreal Toronto, Ontario, Canada $269B AUM 31.4% 1-Year Est. Return

Marshall Wace's WKEY Position: Q1 2026 in Review

Marshall Wace increased its WISeKey (WKEY) stake by 37% in Q1 2026, buying an estimated $78.1K and bringing the position to 38,992 shares worth $239K. The position accounts for ﹤0.01% of the portfolio, ranked #2717.

Marshall Wace first reported a position in WKEY in Q4 2020 and has held it in 3 quarters since. 17 funds tracked by Wall St. Rank hold WKEY as of Q1 2026.

Marshall Wace held 38,992 shares of WISeKey worth $239K as of Q1 2026.
Marshall Wace bought 10,454 WISeKey shares in Q1 2026, an estimated $78.1K.
WISeKey made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2717 holding.
Marshall Wace first reported a position in WISeKey in Q4 2020 and has held it in 3 quarters since.
17 funds tracked by Wall St. Rank held WISeKey as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.