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First Interstate 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.

The standout move of Q2 2026 was in Pledged share of securities: 5.81 percentage points higher than in Q1 2026, at 90.39%.

Portfolio size

Portfolio size for First Interstate Bank, Q2 2026
Line item Q2 2026
Total securities $7.99B
Available-for-sale securities $5.77B
Held-to-maturity securities $2.22B
Trading account assets $29.7M
Municipal securities $380.3M
Securities to total assets 30.96%

Portfolio mix

Portfolio mix for First Interstate Bank, Q2 2026
Line item Q2 2026
Available-for-sale share of securities 72.25%
Held-to-maturity share of securities 27.75%
Pledged share of securities 90.39%

Unrealized gains and losses

Unrealized gains and losses for First Interstate Bank, Q2 2026
Line item Q2 2026
Unrealized gain/(loss), available-for-sale -$263.8M
Unrealized gain/(loss), held-to-maturity -$215.6M
Total unrealized gain/(loss) -$479.5M
Unrealized gain/(loss) to equity -14.75%

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 First Interstate Bank, Q2 2026
Line item Q2 2026
Yield on securities 2.88%
Realized gain/(loss) on securities $0
Realized gain/(loss), available-for-sale $0
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, First Interstate Bank, oldest first
Quarter Available-for-saleHeld-to-maturityUnrealized G/(L) to equityYield on securities
Q3 2023 $5.63B $3.26B -35.87% 2.77%
Q4 2023 $5.84B $3.21B -25.20% 2.76%
Q1 2024 $5.77B $2.85B -26.83% 2.78%
Q2 2024 $5.60B $2.80B -26.73% 2.80%
Q3 2024 $5.53B $2.74B -17.86% 2.80%
Q4 2024 $5.06B $2.69B -22.90% 2.70%
Q1 2025 $4.86B $2.64B -18.83% 2.60%
Q2 2025 $4.74B $2.57B -16.47% 2.60%
Q3 2025 $4.90B $2.41B -14.46% 2.55%
Q4 2025 $5.29B $2.34B -12.93% 2.65%
Q1 2026 $5.72B $2.29B -14.22% 2.77%
Q2 2026 $5.77B $2.22B -14.75% 2.88%

First Interstate 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 First Interstate Bank profile, peer group comparison, or how this data updates.

Regulator records: FDIC BankFind (cert 1105) · FFIEC NIC profile (RSSD 659855)