First Interstate BancSystem, Inc. (FIBK)
NASDAQ: FIBK · Real-Time Price · USD
34.12
+0.45 (1.32%)
At close: Dec 5, 2025, 4:00 PM EST
34.11
-0.01 (-0.01%)
After-hours: Dec 5, 2025, 5:01 PM EST
FIBK Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | 33.52 | 34.41 | 33.52 | 34.11 | 34.11 | 1.31% | 1,208,314 |
| Dec 4, 2025 | 33.38 | 33.98 | 33.24 | 33.67 | 33.67 | 1.02% | 1,030,837 |
| Dec 3, 2025 | 32.84 | 33.60 | 32.78 | 33.33 | 33.33 | 1.68% | 1,148,320 |
| Dec 2, 2025 | 33.09 | 33.30 | 32.72 | 32.78 | 32.78 | -0.76% | 1,757,001 |
| Dec 1, 2025 | 32.73 | 33.50 | 32.70 | 33.03 | 33.03 | 0.58% | 16,609,542 |
| Nov 28, 2025 | 33.02 | 33.24 | 32.70 | 32.84 | 32.84 | 0.12% | 1,448,802 |
| Nov 26, 2025 | 32.98 | 33.12 | 32.47 | 32.80 | 32.80 | -1.00% | 2,332,101 |
| Nov 25, 2025 | 33.51 | 34.25 | 33.05 | 33.13 | 33.13 | 4.45% | 4,845,202 |
| Nov 24, 2025 | 31.43 | 31.86 | 31.18 | 31.72 | 31.72 | 0.95% | 761,508 |
| Nov 21, 2025 | 30.65 | 31.84 | 30.58 | 31.42 | 31.42 | 2.68% | 976,713 |
| Nov 20, 2025 | 30.98 | 31.65 | 30.52 | 30.60 | 30.60 | -0.42% | 943,238 |
| Nov 19, 2025 | 29.99 | 30.80 | 29.99 | 30.73 | 30.73 | 2.50% | 621,732 |
| Nov 18, 2025 | 29.43 | 30.26 | 29.39 | 29.98 | 29.98 | 1.01% | 686,317 |
| Nov 17, 2025 | 31.16 | 31.19 | 29.65 | 29.68 | 29.68 | -5.27% | 631,222 |
| Nov 14, 2025 | 31.32 | 31.44 | 30.49 | 31.33 | 31.33 | -0.29% | 859,010 |
| Nov 13, 2025 | 32.23 | 32.54 | 31.20 | 31.42 | 31.42 | -3.17% | 1,069,266 |
| Nov 12, 2025 | 32.42 | 33.06 | 32.39 | 32.45 | 32.45 | 0.11% | 670,550 |
| Nov 11, 2025 | 31.99 | 32.66 | 31.86 | 32.42 | 32.42 | 1.33% | 891,171 |
| Nov 10, 2025 | 32.04 | 32.36 | 31.65 | 31.99 | 31.99 | -1.54% | 633,252 |
| Nov 7, 2025 | 31.65 | 32.54 | 31.38 | 32.49 | 32.02 | 2.20% | 852,673 |
| Nov 6, 2025 | 32.01 | 32.55 | 31.65 | 31.79 | 31.33 | -1.27% | 681,082 |
| Nov 5, 2025 | 31.74 | 32.61 | 31.71 | 32.20 | 31.73 | 1.61% | 778,611 |
| Nov 4, 2025 | 31.55 | 31.82 | 31.31 | 31.69 | 31.23 | -0.22% | 723,719 |
| Nov 3, 2025 | 31.29 | 31.76 | 30.81 | 31.76 | 31.30 | 1.63% | 918,086 |
| Oct 31, 2025 | 31.39 | 31.53 | 30.86 | 31.25 | 30.80 | -0.73% | 802,505 |
| Oct 30, 2025 | 32.71 | 32.85 | 31.46 | 31.48 | 31.02 | -1.96% | 1,278,992 |
| Oct 29, 2025 | 32.10 | 32.75 | 31.77 | 32.11 | 31.65 | -0.46% | 921,263 |
| Oct 28, 2025 | 32.19 | 32.51 | 31.95 | 32.26 | 31.79 | 0.28% | 826,949 |
| Oct 27, 2025 | 31.67 | 32.67 | 31.66 | 32.17 | 31.70 | 1.71% | 1,208,203 |
| Oct 24, 2025 | 31.54 | 32.01 | 31.49 | 31.63 | 31.17 | 1.25% | 739,145 |
| Oct 23, 2025 | 31.33 | 31.62 | 30.94 | 31.24 | 30.79 | -0.32% | 784,731 |
| Oct 22, 2025 | 31.31 | 31.67 | 30.94 | 31.34 | 30.89 | 0.42% | 759,643 |
| Oct 21, 2025 | 30.88 | 31.36 | 30.88 | 31.21 | 30.76 | 0.29% | 571,434 |
| Oct 20, 2025 | 30.11 | 32.02 | 30.02 | 31.12 | 30.67 | 4.08% | 1,155,413 |
| Oct 17, 2025 | 29.74 | 30.08 | 29.44 | 29.90 | 29.47 | 2.01% | 878,805 |
| Oct 16, 2025 | 31.32 | 31.48 | 29.10 | 29.31 | 28.89 | -7.04% | 1,644,132 |
| Oct 15, 2025 | 32.48 | 32.55 | 31.35 | 31.53 | 31.07 | -2.38% | 777,154 |
| Oct 14, 2025 | 30.83 | 32.57 | 30.83 | 32.30 | 31.83 | 3.49% | 863,600 |
| Oct 13, 2025 | 31.11 | 31.27 | 30.50 | 31.21 | 30.76 | 2.80% | 680,038 |
| Oct 10, 2025 | 31.68 | 31.96 | 30.32 | 30.36 | 29.92 | -3.16% | 990,334 |
| Oct 9, 2025 | 31.76 | 31.91 | 31.27 | 31.35 | 30.90 | -1.17% | 706,417 |
| Oct 8, 2025 | 31.86 | 32.07 | 31.60 | 31.72 | 31.26 | -0.38% | 521,352 |
| Oct 7, 2025 | 32.13 | 32.40 | 31.81 | 31.84 | 31.38 | -0.50% | 739,390 |
| Oct 6, 2025 | 32.16 | 32.60 | 31.82 | 32.00 | 31.54 | 0.34% | 1,032,067 |
| Oct 3, 2025 | 31.70 | 32.32 | 31.70 | 31.89 | 31.43 | 0.63% | 554,448 |
| Oct 2, 2025 | 31.74 | 31.91 | 31.28 | 31.69 | 31.23 | -0.19% | 810,809 |
| Oct 1, 2025 | 31.68 | 31.92 | 31.34 | 31.75 | 31.29 | -0.38% | 793,738 |
| Sep 30, 2025 | 32.12 | 32.31 | 31.40 | 31.87 | 31.41 | -0.81% | 959,357 |
| Sep 29, 2025 | 32.55 | 32.65 | 31.91 | 32.13 | 31.67 | -1.29% | 769,299 |
| Sep 26, 2025 | 32.85 | 33.10 | 32.30 | 32.55 | 32.08 | -0.43% | 1,064,708 |
| Sep 25, 2025 | 32.78 | 32.88 | 32.48 | 32.69 | 32.22 | -1.12% | 738,394 |
| Sep 24, 2025 | 33.24 | 33.80 | 32.87 | 33.06 | 32.58 | -0.57% | 1,059,115 |
| Sep 23, 2025 | 32.76 | 33.32 | 32.65 | 33.25 | 32.77 | 1.59% | 1,699,466 |
| Sep 22, 2025 | 33.30 | 33.39 | 32.55 | 32.73 | 32.26 | -2.15% | 549,548 |
| Sep 19, 2025 | 33.84 | 33.99 | 33.45 | 33.45 | 32.97 | -1.15% | 2,186,244 |
| Sep 18, 2025 | 32.44 | 33.90 | 32.44 | 33.84 | 33.35 | 4.32% | 1,782,850 |
| Sep 17, 2025 | 32.23 | 33.36 | 32.16 | 32.44 | 31.97 | 1.19% | 873,732 |
| Sep 16, 2025 | 32.34 | 32.52 | 31.76 | 32.06 | 31.60 | -1.11% | 797,123 |
| Sep 15, 2025 | 32.74 | 32.94 | 32.38 | 32.42 | 31.95 | -0.80% | 627,815 |
| Sep 12, 2025 | 32.59 | 32.92 | 32.39 | 32.68 | 32.21 | 0.62% | 743,047 |
| Sep 11, 2025 | 32.17 | 32.62 | 32.00 | 32.48 | 32.01 | 1.12% | 731,992 |
| Sep 10, 2025 | 32.48 | 32.79 | 32.02 | 32.12 | 31.66 | -1.14% | 1,050,939 |
| Sep 9, 2025 | 32.81 | 32.99 | 32.43 | 32.49 | 32.02 | -1.13% | 2,800,328 |
| Sep 8, 2025 | 32.68 | 32.89 | 32.35 | 32.86 | 32.38 | 0.95% | 479,975 |
| Sep 5, 2025 | 32.99 | 33.25 | 32.29 | 32.55 | 32.08 | -0.84% | 432,290 |
| Sep 4, 2025 | 32.67 | 32.84 | 32.39 | 32.83 | 32.35 | 1.06% | 533,290 |
| Sep 3, 2025 | 32.36 | 32.93 | 32.11 | 32.48 | 32.01 | -0.25% | 710,437 |
| Sep 2, 2025 | 32.29 | 32.58 | 32.09 | 32.56 | 32.09 | -0.49% | 960,056 |
| Aug 29, 2025 | 32.32 | 33.01 | 32.27 | 32.72 | 32.25 | 2.09% | 1,065,264 |
| Aug 28, 2025 | 32.35 | 32.39 | 31.94 | 32.05 | 31.59 | -0.47% | 562,859 |
| Aug 27, 2025 | 31.87 | 32.27 | 31.87 | 32.20 | 31.73 | 0.85% | 554,220 |
| Aug 26, 2025 | 31.83 | 32.10 | 31.67 | 31.93 | 31.47 | 0.31% | 689,395 |
| Aug 25, 2025 | 31.78 | 31.97 | 31.64 | 31.83 | 31.37 | -0.50% | 690,517 |
| Aug 22, 2025 | 30.21 | 32.10 | 30.21 | 31.99 | 31.53 | 6.53% | 1,031,172 |
| Aug 21, 2025 | 30.00 | 30.26 | 29.87 | 30.03 | 29.60 | -0.63% | 411,568 |
| Aug 20, 2025 | 30.24 | 30.55 | 30.02 | 30.22 | 29.78 | 0.20% | 533,613 |
| Aug 19, 2025 | 30.25 | 30.60 | 30.09 | 30.16 | 29.72 | -0.56% | 486,591 |
| Aug 18, 2025 | 30.04 | 30.34 | 29.84 | 30.33 | 29.89 | 0.97% | 418,633 |
| Aug 15, 2025 | 30.71 | 30.80 | 29.97 | 30.04 | 29.61 | -1.86% | 941,895 |
| Aug 14, 2025 | 30.13 | 30.69 | 29.86 | 30.61 | 30.17 | 0.07% | 514,677 |
| Aug 13, 2025 | 30.08 | 30.69 | 30.02 | 30.59 | 30.15 | 1.80% | 751,331 |
| Aug 12, 2025 | 29.09 | 30.09 | 28.94 | 30.05 | 29.62 | 4.20% | 903,659 |
| Aug 11, 2025 | 28.92 | 28.99 | 28.64 | 28.84 | 28.42 | -1.37% | 664,806 |
| Aug 8, 2025 | 29.11 | 29.38 | 28.85 | 29.24 | 28.35 | 1.53% | 840,446 |
| Aug 7, 2025 | 29.53 | 29.53 | 28.57 | 28.80 | 27.93 | -1.27% | 887,178 |
| Aug 6, 2025 | 29.75 | 29.97 | 29.04 | 29.17 | 28.29 | -1.82% | 1,005,319 |
| Aug 5, 2025 | 29.38 | 29.78 | 28.88 | 29.71 | 28.81 | 1.47% | 1,330,798 |
| Aug 4, 2025 | 28.61 | 29.30 | 28.44 | 29.28 | 28.39 | 3.06% | 1,093,032 |
| Aug 1, 2025 | 28.28 | 28.61 | 27.60 | 28.41 | 27.55 | -1.32% | 1,214,189 |
| Jul 31, 2025 | 28.73 | 28.93 | 28.35 | 28.79 | 27.92 | 0.66% | 1,248,458 |
| Jul 30, 2025 | 29.34 | 29.60 | 28.24 | 28.60 | 27.73 | -2.65% | 1,938,769 |
| Jul 29, 2025 | 29.91 | 30.00 | 29.17 | 29.38 | 28.49 | -0.91% | 1,021,823 |
| Jul 28, 2025 | 29.69 | 29.80 | 29.55 | 29.65 | 28.75 | -0.27% | 599,907 |
| Jul 25, 2025 | 29.49 | 29.73 | 29.06 | 29.73 | 28.83 | 0.68% | 734,370 |
| Jul 24, 2025 | 30.32 | 30.33 | 29.50 | 29.53 | 28.64 | -3.09% | 623,172 |
| Jul 23, 2025 | 30.66 | 30.79 | 30.11 | 30.47 | 29.55 | -0.10% | 715,021 |
| Jul 22, 2025 | 30.49 | 30.93 | 30.34 | 30.50 | 29.58 | -0.10% | 643,896 |
| Jul 21, 2025 | 30.76 | 31.11 | 30.52 | 30.53 | 29.60 | -0.75% | 450,979 |
| Jul 18, 2025 | 31.08 | 31.36 | 30.61 | 30.76 | 29.83 | -0.03% | 523,955 |
| Jul 17, 2025 | 30.29 | 30.87 | 30.10 | 30.77 | 29.84 | 2.09% | 502,710 |