Jane Street’s RTB Digital RTB Stock Holding History

Jane Street’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
2021 Q4	–	Sell	-63	Closed	-$182K	–	10722
2021 Q3	$182K	Sell	63 -107	-63%	-$358K	﹤0.01%	8926
2021 Q2	$711K	Buy	+170	New	+$716K	﹤0.01%	6558

Other funds holding RTB

Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

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

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

NewEdge Advisors New Orleans, Louisiana $33.6B AUM 31.03% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Jane Street's RTB Position: Q2 2026 in Review

Jane Street opened a new position in RTB Digital (RTB) in Q2 2026: 15,125 shares worth $228K. The stake represents ﹤0.01% of the portfolio and ranks #9817 among its holdings. This is a return to the name: Jane Street previously reported a position in RTB as recently as Q4 2025.

Jane Street first reported a position in RTB in Q1 2021 and has held it in 6 quarters since. 17 funds tracked by Wall St. Rank hold RTB as of Q2 2026.

Jane Street held 15,125 shares of RTB Digital worth $228K as of Q2 2026.
RTB Digital was a new Jane Street position in Q2 2026.
RTB Digital made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #9817 holding.
Jane Street first reported a position in RTB Digital in Q1 2021 and has held it in 6 quarters since.
17 funds tracked by Wall St. Rank held RTB Digital as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.