Jane Street’s Byline Bancorp BY Stock Holding History

Jane Street’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	–	Sell	-10,731	Closed	-$339K	–	11634
2026 Q1	$339K	Sell	10,731 -6,542	-38%	-$205K	﹤0.01%	8962
2025 Q4	$504K	Sell	17,273 -10,201	-37%	-$287K	﹤0.01%	7671
2025 Q3	$762K	Sell	27,474 -130,670	-83%	-$3.64M	﹤0.01%	6904
2025 Q2	$4.23M	Buy	158,144 +5,666	+4%	+$145K	﹤0.01%	3241
2025 Q1	$3.99M	Buy	152,478 +63,317	+71%	+$1.78M	﹤0.01%	3266
2024 Q4	$2.59M	Buy	89,161 +52,952	+146%	+$1.54M	﹤0.01%	3677
2024 Q3	$969K	Buy	36,209 +6,294	+21%	+$166K	﹤0.01%	5957
2024 Q2	$710K	Buy	+29,915	New	+$666K	﹤0.01%	6428
2024 Q1	–	Sell	-17,059	Closed	-$402K	–	9235
2023 Q4	$402K	Buy	+17,059	New	+$353K	﹤0.01%	7149
2021 Q4	–	Sell	-8,872	Closed	-$218K	–	10096
2021 Q3	$218K	Sell	8,872 -3,156	-26%	-$75.3K	﹤0.01%	8720
2021 Q2	$272K	Buy	12,028 +2,068	+21%	+$46.3K	﹤0.01%	8321
2021 Q1	$211K	Buy	+9,960	New	+$187K	﹤0.01%	8193

Other funds holding BY

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street's BY Position: Q2 2026 in Review

Jane Street sold out of Byline Bancorp (BY) in Q2 2026, closing a stake of 10,731 shares — an estimated $339K sold.

Jane Street first reported a position in BY in Q1 2021 and held it in 12 quarters. The position peaked at $4.23M in Q2 2025. 207 funds tracked by Wall St. Rank hold BY as of Q2 2026.

Jane Street reported no remaining Byline Bancorp position as of Q2 2026 after selling out during the quarter.
Jane Street sold 10,731 Byline Bancorp shares in Q2 2026, an estimated $339K.
Jane Street first reported a position in Byline Bancorp in Q1 2021 and held it in 12 quarters.
Jane Street's Byline Bancorp position peaked at $4.23M in Q2 2025.
207 funds tracked by Wall St. Rank held Byline Bancorp as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.