XT
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XTX Topco’s Byline Bancorp BY Stock Holding History

XTX Topco’s Portfolio BY Stock Details BY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.21M Buy
31,999
+19,515
+156% +$656K 0.02% 1619
2026
Q1 		$394K Buy
+12,484
New +$392K 0.01% 2243
2025
Q2 		– Sell
-11,860
Closed -$310K – 2411
2025
Q1 		$310K Buy
+11,860
New +$333K 0.02% 1383
2023
Q4 		– Sell
-11,439
Closed -$225K – 1633
2023
Q3 		$225K Buy
+11,439
New +$234K 0.04% 945

Other funds holding BY

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

XTX Topco's BY Position: Q2 2026 in Review

XTX Topco increased its Byline Bancorp (BY) stake by 156% in Q2 2026, buying an estimated $656K and bringing the position to 31,999 shares worth $1.21M. The position accounts for 0.02% of the portfolio, ranked #1619.

XTX Topco first reported a position in BY in Q3 2023 and has held it in 4 quarters since. 207 funds tracked by Wall St. Rank hold BY as of Q2 2026.

  • XTX Topco held 31,999 shares of Byline Bancorp worth $1.21M as of Q2 2026.
  • XTX Topco bought 19,515 Byline Bancorp shares in Q2 2026, an estimated $656K.
  • Byline Bancorp made up 0.02% of XTX Topco's portfolio in Q2 2026, its #1619 holding.
  • XTX Topco first reported a position in Byline Bancorp in Q3 2023 and has held it in 4 quarters since.
  • 207 funds tracked by Wall St. Rank held Byline Bancorp as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.