BY Institutional Ownership
Who owns Byline Bancorp, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 210 funds reported holding BY at Jun 30, 2026, together owning 55.3% of the company.
- ▲117 buying vs 65 selling
- ●Held by funds -0.1 pts
- ▲Funds holding +20
- ▲Superinvestors: 3 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 210 | 190 | +10.5% |
| In funds' top 10 | 1 | 1 | 0.0% |
| 13F shares | 25M | 25M | −0.2% |
| Held by funds | 55.3% | 55.4% | −0.1 pts |
| New positions | 35 | 25 | +40.0% |
| Increased | 82 | 66 | +24.2% |
| Reduced | 54 | 57 | −5.3% |
| Sold out | 11 | 16 | −31.3% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in BY
All superinvestors →
Who owns BY
share of fund held shares- Index and passive funds41.7%
- Active managers and hedge funds49.6%
- Banks and brokers7.9%
- Pensions, insurers and other0.8%
The top 10 holders own 56.4% of all BY shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
36 funds changed their position- Y-Intercept (Hong Kong) LtdNew+58K sh
- Detalus Advisors, LLCTrimmed−33K sh
- Principal Financial Group IncAdded+29K sh
- Cambridge Investment Research Advisors, Inc.Trimmed−23K sh
- Robeco Institutional Asset Management B.V.New+20K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 7.77% | 3.5M | $132M | +216K |
| 2 | Dimensional Fund Advisors LP | 5.37% | 2.4M | $91.3M | +58K |
| 3 | T. Rowe Price Investment Management, Inc. | 3.31% | 1.5M | $56.3M | +881K |
| 4 | Vanguard Capital Management LLC | 2.64% | 1.2M | $44.9M | −67K |
| 5 | State Street Corp | 2.41% | 1.1M | $41M | +58K |
| 6 | American Century Companies Inc | 2.24% | 1M | $38M | +105K |
| 7 | Boston Partners | 1.96% | 884K | $33.2M | −35K |
| 8 | Federated Hermes, Inc. | 1.90% | 858K | $32.3M | +233K |
| 9 | AQR Capital Management LLC | 1.80% | 814K | $30.6M | +148K |
| 10 | Geode Capital Management, LLC | 1.79% | 810K | $30.5M | +22K |
- T. Rowe Price Investment Management, Inc.+881K sh+$33.2M
- Federated Hermes, Inc.+233K sh+$8.8M
- BlackRock, Inc.+216K sh+$8.1M
- Arrowstreet Capital, Limited Partnership+173K sh+$6.5M
- AQR Capital Management LLC+148K sh+$5.6M
- Two Sigma Investments, LP+143K sh+$5.4M
- American Century Companies Inc+105K sh+$3.9M
- Renaissance Technologies LLC+81K sh+$3M
- Fmr LLC−644K sh−$24.2M
- Aristotle Capital Boston, LLC−675K sh−$21.3M
- Wellington Management Group LLP−535K sh−$20.2M
- Assenagon Asset Management S.A.−227K sh−$7.2M
- Ararat Capital Management LP−133K sh−$5M
- Qube Research & Technologies Ltd−122K sh−$4.6M
- Sei Investments Co−130K sh−$4.1M
- Maltese Capital Management LLC−91K sh−$3.4M
BY institutional ownership FAQ
Who owns the most BY stock?
In Q2 2026 13F filings the largest holder of BY was BlackRock, Inc., followed by Dimensional Fund Advisors LP and T. Rowe Price Investment Management, Inc.. Index fund managers are usually the biggest holders of large companies.
What percentage of BY is owned by institutions?
Funds that file 13F reports held 55.3% of BY's shares at Jun 30, 2026, compared with 55.4% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying BY?
In Q2 2026, 117 funds bought BY (35 of them new positions) and 65 sold (11 sold out completely). Among well known investors, 3 added and 1 cut. Our fund sentiment for BY is bullish.
What is BY's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this BY ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.