Marshall Wace’s RTB Digital RTB Stock Holding History

Marshall Wace’s Portfolio RTB Stock Details RTB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	$532K	Buy	+60,084	New	+$821K	﹤0.01%	2475
2024 Q2	–	Sell	-297	Closed	-$30.1K	–	2900
2024 Q1	$30.1K	Hold	297	–	–	﹤0.01%	2363
2023 Q4	$43.4K	Hold	297	–	–	﹤0.01%	2079
2023 Q3	$31.7K	Sell	297 -99	-25%	-$33.5K	﹤0.01%	2107
2023 Q2	$104K	Sell	396 -145	-27%	-$31.7K	﹤0.01%	2321
2023 Q1	$77.6K	Hold	541	–	–	﹤0.01%	2519
2022 Q4	$87K	Hold	541	–	–	﹤0.01%	2805
2022 Q3	$184K	Hold	541	–	–	﹤0.01%	3104
2022 Q2	$202K	Sell	541 -273	-34%	-$263K	﹤0.01%	3167
2022 Q1	$1.2M	Buy	+814	New	+$1.02M	﹤0.01%	2367
2021 Q4	–	Sell	-38	Closed	-$111K	–	4239
2021 Q3	$111K	Buy	+38	New	+$127K	﹤0.01%	2880

Other funds holding RTB

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $463B AUM

NewEdge Advisors New Orleans, Louisiana $34.5B AUM 23.55% 1-Year Est. Return

UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return

Jane Street New York $1.19T AUM 51.51% 1-Year Est. Return

Citigroup New York $308B AUM 40.94% 1-Year Est. Return

Vanguard Global Advisers Malvern, Pennsylvania $225B AUM

Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return

Marshall Wace's RTB Position: Q3 2026 in Review

Marshall Wace opened a new position in RTB Digital (RTB) in Q3 2026: 60,084 shares worth $532K. The stake represents ﹤0.01% of the portfolio and ranks #2475 among its holdings. This is a return to the name: Marshall Wace previously reported a position in RTB as recently as Q1 2024.

Marshall Wace first reported a position in RTB in Q3 2021 and has held it in 11 quarters since. The position peaked at $1.2M in Q1 2022. 16 funds tracked by Wall St. Rank hold RTB as of Q3 2026.

Marshall Wace held 60,084 shares of RTB Digital worth $532K as of Q3 2026.
RTB Digital was a new Marshall Wace position in Q3 2026.
RTB Digital made up ﹤0.01% of Marshall Wace's portfolio in Q3 2026, its #2475 holding.
Marshall Wace first reported a position in RTB Digital in Q3 2021 and has held it in 11 quarters since.
Marshall Wace's RTB Digital position peaked at $1.2M in Q1 2022.
16 funds tracked by Wall St. Rank held RTB Digital as of Q3 2026.

Based on Marshall Wace's 13F filing for Q3 2026, filed 13 Nov 2026.