Boston Partners’s Byline Bancorp BY Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$29.1M Buy
918,449
+211,708
+30% +$6.64M 0.03% 330
2025
Q4
$20.7M Sell
706,741
-26,064
-4% -$732K 0.02% 371
2025
Q3
$20.3M Buy
732,805
+341
+0% +$9.51K 0.02% 370
2025
Q2
$19.5M Buy
732,464
+13,818
+2% +$355K 0.02% 357
2025
Q1
$18.6M Sell
718,646
-3,649
-0.5% -$103K 0.02% 329
2024
Q4
$20.8M Buy
722,295
+643,628
+818% +$18.7M 0.03% 326
2024
Q3
$2.11M Sell
78,667
-6,953
-8% -$184K ﹤0.01% 506
2024
Q2
$2.03M Sell
85,620
-4,551
-5% -$101K ﹤0.01% 505
2024
Q1
$1.96M Sell
90,171
-25,076
-22% -$540K ﹤0.01% 510
2023
Q4
$2.72M Sell
115,247
-22,239
-16% -$461K ﹤0.01% 474
2023
Q3
$2.71M Sell
137,486
-18,844
-12% -$386K ﹤0.01% 460
2023
Q2
$2.83M Sell
156,330
-6,832
-4% -$128K ﹤0.01% 445
2023
Q1
$3.53M Sell
163,162
-6,975
-4% -$163K ﹤0.01% 420
2022
Q4
$3.91M Buy
170,137
+131,945
+345% +$2.96M 0.01% 388
2022
Q3
$773K Buy
38,192
+420
+1% +$9.62K ﹤0.01% 540
2022
Q2
$899K Sell
37,772
-4,020
-10% -$97.1K ﹤0.01% 527
2022
Q1
$1.11M Hold
41,792
﹤0.01% 536
2021
Q4
$1.14M Hold
41,792
﹤0.01% 514
2021
Q3
$1.03M Sell
41,792
-6,571
-14% -$157K ﹤0.01% 521
2021
Q2
$1.09M Sell
48,363
-38,154
-44% -$854K ﹤0.01% 529
2021
Q1
$1.83M Hold
86,517
﹤0.01% 494
2020
Q4
$1.34M Buy
86,517
+19,338
+29% +$282K ﹤0.01% 491
2020
Q3
$758K Sell
67,179
-30,878
-31% -$386K ﹤0.01% 571
2020
Q2
$1.28M Buy
98,057
+15,598
+19% +$179K ﹤0.01% 491
2020
Q1
$856K Sell
82,459
-8,495
-9% -$144K ﹤0.01% 541
2019
Q4
$1.78M Buy
90,954
+13,854
+18% +$253K ﹤0.01% 512
2019
Q3
$1.38M Hold
77,100
﹤0.01% 557
2019
Q2
$1.47M Hold
77,100
﹤0.01% 573
2019
Q1
$1.43M Sell
77,100
-50,000
-39% -$940K ﹤0.01% 591
2018
Q4
$2.12M Sell
127,100
-4,000
-3% -$80.7K ﹤0.01% 539
2018
Q3
$2.98M Sell
131,100
-7,100
-5% -$163K ﹤0.01% 550
2018
Q2
$3.09M Buy
138,200
+1,800
+1% +$40.2K ﹤0.01% 576
2018
Q1
$3.13M Buy
136,400
+2,500
+2% +$56.9K ﹤0.01% 587
2017
Q4
$3.08M Buy
133,900
+35,400
+36% +$736K ﹤0.01% 604
2017
Q3
$2.09M Buy
+98,500
New +$2.05M ﹤0.01% 667

Other funds holding BY

Boston Partners's BY Position: Q1 2026 in Review

Boston Partners increased its Byline Bancorp (BY) stake by 30% in Q1 2026, buying an estimated $6.64M and bringing the position to 918,449 shares worth $29.1M. The position accounts for 0.03% of the portfolio, ranked #330.

Boston Partners first reported a position in BY in Q3 2017 and has held it in 35 quarters since. 188 funds tracked by Wall St. Rank hold BY as of Q1 2026.

  • Boston Partners held 918,449 shares of Byline Bancorp worth $29.1M as of Q1 2026.
  • Boston Partners bought 211,708 Byline Bancorp shares in Q1 2026, an estimated $6.64M.
  • Byline Bancorp made up 0.03% of Boston Partners's portfolio in Q1 2026, its #330 holding.
  • Boston Partners first reported a position in Byline Bancorp in Q3 2017 and has held it in 35 quarters since.
  • 188 funds tracked by Wall St. Rank held Byline Bancorp as of Q1 2026.

Based on Boston Partners's 13F filing for Q1 2026, filed 11 May 2026.