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Security record · archived quarter

BY

Byline Bancorp, Inc. · Financial Services · Banks - Regional

38.11 -0.7% mkt cap $1.73B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
10Tracked holders
-1Δ holders
2.45MShares held
$70.99MReported value
+1New positions
−2Exits
Falling Conviction score 40/100 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -9.1% · share flow -1.8% · net new positions -10.0%formula
Broad distribution — falling shares and fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 82 +6 18.94M $712.74M +9 −3
Q1 2026 79 +4 19.42M $612.93M +6 −2
Q4 2025 74 -1 19.47M $567.67M −1
Q3 2025 19 +1 11.63M $322.58M +1
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 −1
Q2 2024 11 1.28M $30.42M
Holder count
Who holds it · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 State Street Global Advisors (passive) 913.74K $26.50M 0.0% n/c 1 SEC ↗
2 Geode Capital Management (passive) 641.40K -1.0% $18.60M 0.0% ▼ Trim 3 SEC ↗
3 Geode Capital Management (passive) 641.40K -1.0% $18.60M 0.0% ▼ Trim 3 SEC ↗
4 Wellington Management 478.36K +16.6% $13.87M 0.0% ▲ Add 3 SEC ↗
5 Wellington Management 478.36K +16.6% $13.87M 0.0% ▲ Add 3 SEC ↗
6 Wellington Management 478.36K +16.6% $13.87M 0.0% ▲ Add 3 SEC ↗
7 Arrowstreet Capital 123.39K -52.4% $3.58M 0.0% ▼ Trim 3 SEC ↗
8 AQR Capital Management 102.67K +3.5% $2.98M 0.0% ▲ Add 3 SEC ↗
9 AQR Capital Management 102.67K +3.5% $2.98M 0.0% ▲ Add 3 SEC ↗
10 AQR Capital Management 102.67K +3.5% $2.98M 0.0% ▲ Add 3 SEC ↗
11 Renaissance Technologies 99.00K +70.4% $2.87M 0.0% ▲ Add 3 SEC ↗
12 Two Sigma Investments 51.97K -10.8% $1.51M 0.0% ▼ Trim 3 SEC ↗
13 Point72 Asset Management 14.65K +126.7% $424,762 0.0% ▲ Add 3 SEC ↗
14 T. Rowe Price 12.36K +20.1% $359,000 0.0% ▲ Add 3 SEC ↗
15 Marshall Wace 10.33K New $299,483 0.0% New 1 SEC ↗
16 Marshall Wace 10.33K New $299,483 0.0% New 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Marshall Wace $299,483 0.0%
Marshall Wace $299,483 0.0%

Exited

Millennium Management $419,754 was 0.0%
D. E. Shaw & Co. $394,563 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.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

Aug 19 KISTNER WILLIAM G

Director · 100 sh @ 38.30 · $3,830

Aug 19 HERSETH MARY JO S.

Director · 300 sh @ 38.40 · $11,518

Open-market sales (S)

Aug 13 HERENCIA ROBERTO R

Officer, Director · 19.75K sh · $774,307

Aug 12 Rose Dana

Officer · 2.42K sh · $94,419

Aug 07 DEL VALLE PEROCHENA ANTONIO

Director, 10% owner · 300.00K sh · $11.73M

Aug 07 MBG INVESTORS I, L.P.

10% owner · 300.00K sh · $11.73M

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 17 SC 13G/A — MBG INVESTORS I, L.P.

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2024 · Methodology · Get this via the API