Optiver Holding
BY icon

Optiver Holding’s Byline Bancorp BY Stock Holding History

Optiver Holding’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 		$5.01K Buy
133
+7
+6% +$235 ﹤0.01% 1982
2026
Q1 		$3.98K Buy
126
+80
+174% +$2.51K ﹤0.01% 1524
2025
Q4 		$1.34K Sell
46
-112
-71% -$3.15K ﹤0.01% 2156
2025
Q3 		$4.38K Buy
+158
New +$4.41K ﹤0.01% 1856

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

Optiver Holding's BY Position: Q2 2026 in Review

Optiver Holding increased its Byline Bancorp (BY) stake by 5.6% in Q2 2026, buying an estimated $235 and bringing the position to 133 shares worth $5.01K. The position accounts for ﹤0.01% of the portfolio, ranked #1982.

Optiver Holding first reported a position in BY in Q3 2025 and has held it in 4 quarters since. 207 funds tracked by Wall St. Rank hold BY as of Q2 2026.

  • Optiver Holding held 133 shares of Byline Bancorp worth $5.01K as of Q2 2026.
  • Optiver Holding bought 7 Byline Bancorp shares in Q2 2026, an estimated $235.
  • Byline Bancorp made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #1982 holding.
  • Optiver Holding first reported a position in Byline Bancorp in Q3 2025 and has held it in 4 quarters since.
  • 207 funds tracked by Wall St. Rank held Byline Bancorp as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.