BY
Byline Bancorp, Inc. · Financial Services · Banks - Regional
Momentum inputs (comparable managers):
holder breadth -9.1% ·
share flow +23.3% ·
net new positions -10.0%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 21.98K | $810,515 | n/a | n/a |
| Q2 2026 | 81 | +6 | 18.93M | $712.40M | +9 | −4 |
| Q1 2026 | 79 | +4 | 19.42M | $612.93M | +6 | −2 |
| Q4 2025 | 74 | -1 | 19.47M | $567.67M | n/a | −1 |
| Q3 2025 | 19 | +1 | 11.63M | $322.58M | +1 | n/a |
| Q2 2025 | 15 | +1 | 9.88M | $264.00M | +2 | −1 |
| Q1 2025 | 11 | +1 | 2.50M | $65.49M | +2 | −1 |
| Q4 2024 | 10 | -1 | 2.45M | $70.99M | +1 | −2 |
| Q3 2024 | 10 | -1 | 1.58M | $42.30M | n/a | −1 |
| Q2 2024 | 11 | n/a | 1.28M | $30.42M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 647.59K | -5.9% | $17.34M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 2 | Wellington Management ✦ | 410.36K | +209.0% | $10.99M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 3 | Arrowstreet Capital ✦ | 259.18K | +73.1% | $6.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | AQR Capital Management ✦ | 99.23K | -4.8% | $2.66M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 5 | Two Sigma Investments ✦ | 58.28K | -17.6% | $1.56M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | Renaissance Technologies ✦ | 58.10K | +17.4% | $1.56M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Millennium Management ✦ | 15.68K | -44.4% | $419,754 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | D. E. Shaw & Co. ✦ | 14.74K | -58.3% | $394,563 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | T. Rowe Price ✦ | 10.29K | +3.8% | $276,000 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Point72 Asset Management ✦ | 6.46K | +481.1% | $173,000 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Citadel Advisors | $272,084 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 186 holders, 24.57M shares, $750.07M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Director · 100 sh @ 38.30 · $3,830
Director · 300 sh @ 38.40 · $11,518
Open-market sales (S)
Officer, Director · 19.75K sh · $774,307
Officer · 2.42K sh · $94,419
Director, 10% owner · 300.00K sh · $11.73M
10% owner · 300.00K sh · $11.73M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology