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Byline Bank: Securities Portfolio

Data as of · Call Report Schedule RC-B How we update

The investment portfolio: what the bank owns, how it is split between available-for-sale and held-to-maturity, and the unrealized gain or loss sitting in it. Unrealized losses on held-to-maturity securities do not run through capital, which is why the ratio to equity is worth watching.

Pledged share of securities climbed 6.29 percentage points in Q2 2026, from 31.24% to 37.54%. It was the largest change from Q1 2026 among the key lines here.

Portfolio size

Portfolio size for Byline Bank, Q2 2026
Line item Q2 2026
Total securities $1.62B
Available-for-sale securities $1.62B
Held-to-maturity securities $0
Trading account assets $11.3M
Municipal securities $0
Securities to total assets 16.39%

Portfolio mix

Portfolio mix for Byline Bank, Q2 2026
Line item Q2 2026
Available-for-sale share of securities 99.54%
Held-to-maturity share of securities 0.00%
Pledged share of securities 37.54%

Unrealized gains and losses

Unrealized gains and losses for Byline Bank, Q2 2026
Line item Q2 2026
Unrealized gain/(loss), available-for-sale -$125.1M
Unrealized gain/(loss), held-to-maturity $0
Total unrealized gain/(loss) -$125.1M
Unrealized gain/(loss) to equity -8.97%

Carrying value less fair value. A negative figure is an unrealized loss: the position is worth less than the balance sheet carries it at.

Securities earnings

Securities earnings for Byline Bank, Q2 2026
Line item Q2 2026
Yield on securities 3.28%
Realized gain/(loss) on securities $21K
Realized gain/(loss), available-for-sale $21K
Realized gain/(loss), held-to-maturity $0

Securities Portfolio trend

Last 12 quarters as filed. Every value plotted here also appears in the tables above.

Available-for-sale vs held-to-maturity
Unrealized gain/(loss) to equity

Negative bars are unrealized losses measured against equity capital.

Yield on securities

Securities Portfolio by quarter

Values plotted above, Byline Bank, oldest first
Quarter Available-for-saleHeld-to-maturityUnrealized G/(L) to equityYield on securities
Q3 2023 $1.24B $1.2M -22.96% 2.42%
Q4 2023 $1.34B $1.2M -15.67% 2.46%
Q1 2024 $1.38B $1.2M -16.23% 2.53%
Q2 2024 $1.39B $606K -16.25% 2.68%
Q3 2024 $1.50B $605K -11.07% 2.81%
Q4 2024 $1.42B $605K -15.10% 2.90%
Q1 2025 $1.54B $0 -12.44% 2.95%
Q2 2025 $1.58B $0 -10.98% 3.27%
Q3 2025 $1.51B $0 -9.34% 3.17%
Q4 2025 $1.41B $0 -8.22% 3.16%
Q1 2026 $1.66B $0 -8.78% 3.30%
Q2 2026 $1.62B $0 -8.97% 3.28%

Byline Bank securities portfolio, all the way back

Securities Portfolio back to 2001 · peer percentiles on every line item · Excel export

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Source: Call Report Schedule RC-B, as filed with the FFIEC and standardized by BankRegReports. Dollar amounts are as reported, point-in-time; income statement items are year-to-date through the report date. See the full Byline Bank profile, peer group comparison, or how this data updates.

Regulator records: FDIC BankFind (cert 20624) · FFIEC NIC profile (RSSD 129732)