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Security record · archived quarter

BY

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

38.30 +0.5% mkt cap $1.74B quote delayed (FMP) · as of Aug 26 15:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
19Tracked holders
+1Δ holders
11.63MShares held
$322.58MReported value
+1New positions
−0Exits
Rising Conviction score 55/100 5 quarters of rising tracked shares ●●●●● How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +5.6% · share flow +2.0% · net new positions +5.3%formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025

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 · Q3 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
2 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
3 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
4 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
5 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
6 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
7 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
8 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
9 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
10 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
11 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
12 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
13 BlackRock (passive) 2.85M +21.8% $78.94M 0.0% ▲ Add 2 SEC ↗
14 The Vanguard Group (passive) 1.77M -2.4% $49.22M 0.0% ▼ Trim 2 SEC ↗
15 The Vanguard Group (passive) 1.77M -2.4% $49.22M 0.0% ▼ Trim 2 SEC ↗
16 The Vanguard Group (passive) 1.77M -2.4% $49.22M 0.0% ▼ Trim 2 SEC ↗
17 The Vanguard Group (passive) 1.77M -2.4% $49.22M 0.0% ▼ Trim 2 SEC ↗
18 The Vanguard Group (passive) 1.77M -2.4% $49.22M 0.0% ▼ Trim 2 SEC ↗
19 Wellington Management 1.24M -28.3% $34.28M 0.0% ▼ Trim 6 SEC ↗
20 Wellington Management 1.24M -28.3% $34.28M 0.0% ▼ Trim 6 SEC ↗
21 Wellington Management 1.24M -28.3% $34.28M 0.0% ▼ Trim 6 SEC ↗
22 JPMorgan Chase 1.18M $32.63M 0.0% n/c 1 SEC ↗
23 JPMorgan Chase 1.18M $32.63M 0.0% n/c 1 SEC ↗
24 JPMorgan Chase 1.18M $32.63M 0.0% n/c 1 SEC ↗
25 JPMorgan Chase 1.18M $32.63M 0.0% n/c 1 SEC ↗
26 JPMorgan Chase 1.18M $32.63M 0.0% n/c 1 SEC ↗
27 JPMorgan Chase 1.18M $32.63M 0.0% n/c 1 SEC ↗
28 JPMorgan Chase 1.18M $32.63M 0.0% n/c 1 SEC ↗
29 JPMorgan Chase 1.18M $32.63M 0.0% n/c 1 SEC ↗
30 JPMorgan Chase 1.18M $32.63M 0.0% n/c 1 SEC ↗
31 JPMorgan Chase 1.18M $32.63M 0.0% n/c 1 SEC ↗
32 State Street Global Advisors (passive) 988.05K +19.1% $27.40M 0.0% ▲ Add 4 SEC ↗
33 Fidelity (FMR) 972.07K -6.5% $26.96M 0.0% ▼ Trim 2 SEC ↗
34 Fidelity (FMR) 972.07K -6.5% $26.96M 0.0% ▼ Trim 2 SEC ↗
35 Fidelity (FMR) 972.07K -6.5% $26.96M 0.0% ▼ Trim 2 SEC ↗
36 Fidelity (FMR) 972.07K -6.5% $26.96M 0.0% ▼ Trim 2 SEC ↗
37 Geode Capital Management (passive) 750.33K +21.5% $20.81M 0.0% ▲ Add 6 SEC ↗
38 Geode Capital Management (passive) 750.33K +21.5% $20.81M 0.0% ▲ Add 6 SEC ↗
39 AQR Capital Management 480.95K +191.0% $13.34M 0.0% ▲ Add 6 SEC ↗
40 AQR Capital Management 480.95K +191.0% $13.34M 0.0% ▲ Add 6 SEC ↗
41 AQR Capital Management 480.95K +191.0% $13.34M 0.0% ▲ Add 6 SEC ↗
42 AQR Capital Management 480.95K +191.0% $13.34M 0.0% ▲ Add 6 SEC ↗
43 AQR Capital Management 480.95K +191.0% $13.34M 0.0% ▲ Add 6 SEC ↗
44 Millennium Management 419.13K -24.4% $11.62M 0.0% ▼ Trim 3 SEC ↗
45 Two Sigma Investments 209.00K -7.4% $5.80M 0.0% ▼ Trim 6 SEC ↗
46 Morgan Stanley 180.12K $4.99M 0.0% n/c 1 SEC ↗
47 Morgan Stanley 180.12K $4.99M 0.0% n/c 1 SEC ↗
48 Morgan Stanley 180.12K $4.99M 0.0% n/c 1 SEC ↗
49 Morgan Stanley 180.12K $4.99M 0.0% n/c 1 SEC ↗
50 Morgan Stanley 180.12K $4.99M 0.0% n/c 1 SEC ↗
51 Morgan Stanley 180.12K $4.99M 0.0% n/c 1 SEC ↗
52 Morgan Stanley 180.12K $4.99M 0.0% n/c 1 SEC ↗
53 Morgan Stanley 180.12K $4.99M 0.0% n/c 1 SEC ↗
54 Goldman Sachs Group 167.69K $4.65M 0.0% n/c 1 SEC ↗
55 Goldman Sachs Group 167.69K $4.65M 0.0% n/c 1 SEC ↗
56 Citadel Advisors 131.69K -36.3% $3.65M 0.0% ▼ Trim 2 SEC ↗
57 Citadel Advisors 131.69K -36.3% $3.65M 0.0% ▼ Trim 2 SEC ↗
58 Arrowstreet Capital 95.56K -8.9% $2.65M 0.0% ▼ Trim 6 SEC ↗
59 Renaissance Technologies 86.70K -32.4% $2.40M 0.0% ▼ Trim 6 SEC ↗
60 Marshall Wace 56.33K +20.5% $1.56M 0.0% ▲ Add 2 SEC ↗
61 Marshall Wace 56.33K +20.5% $1.56M 0.0% ▲ Add 2 SEC ↗
62 Marshall Wace 56.33K +20.5% $1.56M 0.0% ▲ Add 2 SEC ↗
63 D. E. Shaw & Co. 24.95K -60.6% $691,780 0.0% ▼ Trim 3 SEC ↗
64 Point72 Asset Management 18.59K New $515,646 0.0% New 1 SEC ↗
65 T. Rowe Price 16.80K +23.7% $466,000 0.0% ▲ Add 6 SEC ↗

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

New buyers

Point72 Asset Management $515,646 0.0%

Exited

No tracked exits this quarter.

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: Q3 2025 · Methodology · Get this via the API