Wellington Management Group
BY icon

Wellington Management Group’s Byline Bancorp BY Stock Holding History

Wellington Management Group’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
Q1 		$32.3M Sell
1,023,948
-170,051
-14% -$5.34M 0.01% 862
2025
Q4 		$34.8M Sell
1,193,999
-42,291
-3% -$1.19M 0.01% 841
2025
Q3 		$34.3M Sell
1,236,290
-487,646
-28% -$13.6M 0.01% 839
2025
Q2 		$46.1M Buy
1,723,936
+1,291,669
+299% +$33.2M 0.01% 710
2025
Q1 		$11.3M Sell
432,267
-46,092
-10% -$1.3M ﹤0.01% 1168
2024
Q4 		$13.9M Buy
478,359
+68,000
+17% +$1.97M ﹤0.01% 1097
2024
Q3 		$11M Buy
410,359
+277,559
+209% +$7.34M ﹤0.01% 1148
2024
Q2 		$3.15M Buy
+132,800
New +$2.95M ﹤0.01% 1417
2018
Q4 		– Sell
-72,934
Closed -$1.66M – 2059
2018
Q3 		$1.66M Hold
72,934
– – ﹤0.01% 1755
2018
Q2 		$1.63M Sell
72,934
-27,910
-28% -$623K ﹤0.01% 1781
2018
Q1 		$2.31M Hold
100,844
– – ﹤0.01% 1690
2017
Q4 		$2.32M Sell
100,844
-217,156
-68% -$4.52M ﹤0.01% 1693
2017
Q3 		$6.76M Sell
318,000
-11,562
-4% -$240K ﹤0.01% 1389
2017
Q2 		$6.61M Buy
+329,562
New +$6.61M ﹤0.01% 1347

Other funds holding BY

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
ACB
Aristotle Capital Boston Boston, Massachusetts $1.61B AUM 19.82% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Wellington Management Group's BY Position: Q1 2026 in Review

Wellington Management Group reduced its Byline Bancorp (BY) stake by 14% in Q1 2026, selling an estimated $5.34M and leaving 1,023,948 shares worth $32.3M. The position accounts for 0.01% of the portfolio, ranked #862.

Wellington Management Group first reported a position in BY in Q2 2017 and has held it in 14 quarters since. The position peaked at $46.1M in Q2 2025. 188 funds tracked by Wall St. Rank hold BY as of Q1 2026.

  • Wellington Management Group held 1,023,948 shares of Byline Bancorp worth $32.3M as of Q1 2026.
  • Wellington Management Group sold 170,051 Byline Bancorp shares in Q1 2026, an estimated $5.34M.
  • Byline Bancorp made up 0.01% of Wellington Management Group's portfolio in Q1 2026, its #862 holding.
  • Wellington Management Group first reported a position in Byline Bancorp in Q2 2017 and has held it in 14 quarters since.
  • Wellington Management Group's Byline Bancorp position peaked at $46.1M in Q2 2025.
  • 188 funds tracked by Wall St. Rank held Byline Bancorp as of Q1 2026.

Based on Wellington Management Group's 13F filing for Q1 2026, filed 15 May 2026.