Jane Street
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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 		$13.5M Buy
39,800
+35,900
+921% +$11.1M ﹤0.01% 2508
2026
Q1 		$1.08M Buy
+3,900
New +$1.18M ﹤0.01% 6326
2022
Q4 		– Sell
-2,400
Closed -$268K – 9067
2022
Q3 		$268K Buy
+2,400
New +$301K ﹤0.01% 7756
2022
Q1 		– Sell
-1,500
Closed -$247K – 10212
2021
Q4 		$247K Buy
+1,500
New +$252K ﹤0.01% 8493
2017
Q3 		– Sell
-389,500
Closed -$64.6M – 4399
2017
Q2 		$64.6M Buy
+389,500
New +$62.2M 0.23% 76

Other funds holding AMG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Dimensional Fund Advisors
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.