Byline Bancorp
190 hedge funds and large institutions have $790M invested in Byline Bancorp in 2026 Q1 according to their latest regulatory filings, with 33 funds opening new positions, 67 increasing their positions, 55 reducing their positions, and 16 closing their positions.
192% more capital inflows, than outflows
Capital inflows: $125M | Capital outflows: $42.9M
106% more first-time investments, than exits
New positions opened: 33 | Existing positions closed: 16
22% more repeat investments, than reductions
Existing positions increased: 67 | Existing positions reduced: 55
7% more funds holding
Funds holding: 177 → 190 (+13)
1.76% more ownership
Funds ownership: 53.13% → 54.9% (+1.8%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$7.13M |
| 2 |
Boston Partners
Boston,
Massachusetts
|
+$6.64M |
| 3 |
Empowered Funds
Havertown,
Pennsylvania
|
+$6.35M |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
+$5.03M |
| 5 |
Zacks Investment Management
Chicago,
Illinois
|
+$4.11M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
-$5.34M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
-$4.07M |
| 3 |
Aristotle Capital Boston
Boston,
Massachusetts
|
-$3.97M |
| 4 |
JP Morgan Chase
New York
|
-$3.48M |
| 5 |
Renaissance Technologies
New York
|
-$3.25M |
BY Hedge Fund Activity: Q1 2026 in Review
190 of the 8,226 institutional investors tracked by Wall St. Rank reported a position in Byline Bancorp (BY) for Q1 2026, worth a combined $790M — up 11% from $710M a quarter earlier.
Buyers outnumbered sellers: 33 funds opened new BY positions and 16 closed out — a net gain of 17 holders — while 67 added to existing stakes and 55 trimmed.
The largest buyer was Assenagon Asset Management, opening a new position worth an estimated $7.13M. The largest seller was Wellington Management Group, cutting an estimated $5.34M.
- 190 institutional investors held Byline Bancorp (BY) as of Q1 2026, up from 177 in Q4 2025.
- Funds reported $790M of Byline Bancorp stock for Q1 2026, up 11% quarter-over-quarter.
- 33 funds opened new Byline Bancorp positions in Q1 2026 and 16 closed out, a net change of +17 holders.
- The largest Byline Bancorp buyer in Q1 2026 was Assenagon Asset Management, an estimated $7.13M added.
- The largest Byline Bancorp seller in Q1 2026 was Wellington Management Group, an estimated $5.34M sold.
Based on aggregated 13F filings for Q1 2026.