Byline Bancorp
169 hedge funds and large institutions have $640M invested in Byline Bancorp in 2025 Q2 according to their latest regulatory filings, with 36 funds opening new positions, 67 increasing their positions, 42 reducing their positions, and 14 closing their positions.
157% more first-time investments, than exits
New positions opened: 36 | Existing positions closed: 14
60% more repeat investments, than reductions
Existing positions increased: 67 | Existing positions reduced: 42
21% more capital invested
Capital invested by funds: $528M → $640M (+$112M)
14% more funds holding
Funds holding: 148 → 169 (+21)
6.72% more ownership
Funds ownership: 45.2% → 51.92% (+6.7%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $13K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$33.2M |
| 2 |
Millennium Management
New York
|
+$11.1M |
| 3 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$7.68M |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
+$6.69M |
| 5 |
MCM
Maltese Capital Management
New York
|
+$6.59M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$12.1M |
| 2 |
NCGI
Next Century Growth Investors
Plymouth,
Minnesota
|
-$2.11M |
| 3 |
ACB
Aristotle Capital Boston
Boston,
Massachusetts
|
-$1.31M |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
-$975K |
| 5 |
Northern Trust
Chicago,
Illinois
|
-$676K |
BY Hedge Fund Activity: Q2 2025 in Review
169 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Byline Bancorp (BY) for Q2 2025, worth a combined $640M — up 21% from $528M a quarter earlier.
Buyers outnumbered sellers: 36 funds opened new BY positions and 14 closed out — a net gain of 22 holders — while 67 added to existing stakes and 42 trimmed.
The largest buyer was Wellington Management Group, adding an estimated $33.2M. The largest seller was BlackRock, cutting an estimated $12.1M.
- 169 institutional investors held Byline Bancorp (BY) as of Q2 2025, up from 148 in Q1 2025.
- Funds reported $640M of Byline Bancorp stock for Q2 2025, up 21% quarter-over-quarter.
- 36 funds opened new Byline Bancorp positions in Q2 2025 and 14 closed out, a net change of +22 holders.
- The largest Byline Bancorp buyer in Q2 2025 was Wellington Management Group, an estimated $33.2M added.
- The largest Byline Bancorp seller in Q2 2025 was BlackRock, an estimated $12.1M sold.
Based on aggregated 13F filings for Q2 2025.