Jane Street’s Affiliated Managers Group AMG Stock Holding History

Jane Street’s Portfolio AMG Stock Details AMG Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$5.75M	Buy	17,000 +12,700	+295%	+$3.94M	﹤0.01%	3506
2026 Q1	$1.19M	Buy	+4,300	New	+$1.3M	﹤0.01%	6140
2023 Q3	–	Sell	-2,000	Closed	-$300K	–	8563
2023 Q2	$300K	Buy	+2,000	New	+$286K	﹤0.01%	7121
2022 Q1	–	Sell	-7,300	Closed	-$1.2M	–	10211
2021 Q4	$1.2M	Buy	+7,300	New	+$1.22M	﹤0.01%	5520
2019 Q1	–	Sell	-3,200	Closed	-$312K	–	4956
2018 Q4	$312K	Buy	+3,200	New	+$361K	﹤0.01%	4016

Other funds holding AMG

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

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Jane Street's AMG Position: Q2 2026 in Review

Jane Street increased its Affiliated Managers Group (AMG) stake by 22% in Q2 2026, buying an estimated $17.6M and bringing the position to 309,134 shares worth $105M. The position accounts for 0.01% of the portfolio, ranked #913.

Jane Street first reported a position in AMG in Q2 2013 and has held it in 43 quarters since. 565 funds tracked by Wall St. Rank hold AMG as of Q2 2026.

Jane Street held 309,134 shares of Affiliated Managers Group worth $105M as of Q2 2026.
Jane Street bought 56,629 Affiliated Managers Group shares in Q2 2026, an estimated $17.6M.
Affiliated Managers Group made up 0.01% of Jane Street's portfolio in Q2 2026, its #913 holding.
Jane Street first reported a position in Affiliated Managers Group in Q2 2013 and has held it in 43 quarters since.
565 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q2 2026.

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