As of 30 Sep 2025, 340 institutional investors reported holding 28,216,347 shares of Otter Tail Corp - COM (OTTR).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 437,184 | $35,428,969 | +$456,885 | $80.81 | 44 |
| 2025 Q3 | 28,216,347 | $2,312,504,768 | +$50,688,692 | $81.97 | 340 |
| 2025 Q2 | 27,606,042 | $2,128,559,606 | +$6,994,705 | $77.09 | 342 |
| 2025 Q1 | 27,469,254 | $2,207,730,707 | +$163,737 | $80.37 | 331 |
| 2024 Q4 | 27,476,488 | $2,029,346,648 | +$87,978,107 | $73.84 | 321 |
| 2024 Q3 | 26,247,991 | $2,051,597,841 | +$110,501,427 | $78.16 | 326 |
| 2024 Q2 | 24,657,072 | $2,159,805,919 | -$3,758,379 | $87.59 | 313 |
| 2024 Q1 | 24,572,296 | $2,122,196,944 | -$71,077,183 | $86.40 | 300 |
| 2023 Q4 | 47,239 | $4,013,969 | +$460,887 | $84.97 | 5 |
| 2023 Q3 | 24,544,507 | $1,863,433,725 | -$29,087,797 | $75.92 | 270 |
| 2023 Q2 | 24,682,694 | $1,948,713,025 | -$29,929,974 | $78.96 | 256 |
| 2023 Q1 | 25,263,077 | $1,825,755,857 | +$378,161,111 | $72.27 | 249 |
| 2022 Q4 | 20,305,483 | $1,192,157,234 | -$9,279,266 | $58.71 | 242 |
| 2022 Q3 | 20,051,161 | $1,233,596,330 | +$32,249,048 | $61.52 | 249 |
| 2022 Q2 | 19,670,394 | $1,320,532,296 | +$34,432,748 | $67.13 | 232 |
| 2022 Q1 | 19,449,133 | $1,214,809,002 | +$11,350,361 | $62.50 | 219 |
| 2021 Q4 | 19,381,169 | $1,383,903,829 | -$11,547,762 | $71.42 | 217 |
| 2021 Q3 | 19,484,506 | $1,090,587,233 | +$19,637,956 | $55.97 | 197 |
| 2021 Q2 | 18,888,907 | $921,913,133 | -$2,110,502 | $48.81 | 162 |
| 2021 Q1 | 18,990,019 | $877,022,176 | -$149,170 | $46.17 | 170 |
| 2020 Q4 | 19,127,711 | $815,239,133 | +$9,373,075 | $42.61 | 172 |
| 2020 Q3 | 18,916,289 | $684,237,149 | +$2,050,657 | $36.17 | 157 |
| 2020 Q2 | 18,167,774 | $704,720,429 | +$17,503,699 | $38.79 | 164 |
| 2020 Q1 | 18,246,681 | $811,452,193 | +$1,961,706 | $44.46 | 173 |
| 2019 Q4 | 18,159,553 | $931,302,786 | +$16,606,544 | $51.29 | 173 |
| 2019 Q3 | 17,829,530 | $958,144,972 | +$14,837,957 | $53.75 | 182 |
| 2019 Q2 | 17,517,354 | $924,893,645 | +$28,278,944 | $52.81 | 171 |
| 2019 Q1 | 17,379,308 | $865,784,625 | -$39,432 | $49.82 | 172 |
| 2018 Q4 | 17,286,479 | $858,104,163 | +$10,140,141 | $49.64 | 174 |
| 2018 Q3 | 17,080,262 | $818,156,018 | +$7,950,618 | $47.90 | 150 |
| 2018 Q2 | 16,926,906 | $805,691,958 | -$2,407,751 | $47.60 | 146 |
| 2018 Q1 | 16,993,518 | $736,603,137 | +$13,837,953 | $43.35 | 151 |
| 2017 Q4 | 16,665,183 | $740,796,001 | +$18,204,526 | $44.45 | 154 |
| 2017 Q3 | 16,228,661 | $703,526,666 | +$11,625,166 | $43.35 | 133 |
| 2017 Q2 | 15,854,951 | $627,903,212 | +$13,240,448 | $39.60 | 136 |
| 2017 Q1 | 15,502,116 | $587,536,307 | +$96,334,851 | $37.90 | 133 |
| 2016 Q4 | 15,485,243 | $631,741,370 | +$21,637,769 | $40.80 | 142 |
| 2016 Q3 | 14,927,741 | $515,955,495 | +$29,340,247 | $34.59 | 135 |
| 2016 Q2 | 14,107,459 | $472,387,482 | +$29,931,952 | $33.49 | 133 |
| 2016 Q1 | 13,149,167 | $389,392,215 | +$18,231,148 | $29.62 | 122 |
| 2015 Q4 | 12,568,615 | $334,733,407 | -$4,300,514 | $26.63 | 113 |
| 2015 Q3 | 12,731,637 | $331,795,171 | +$3,391,803 | $26.06 | 119 |
| 2015 Q2 | 11,811,129 | $314,172,704 | +$1,534,297 | $26.60 | 112 |
| 2015 Q1 | 12,542,803 | $403,435,084 | -$4,989,238 | $32.17 | 117 |
| 2014 Q4 | 12,699,469 | $393,274,802 | +$15,965,552 | $30.96 | 118 |
| 2014 Q3 | 12,308,153 | $328,249,090 | +$1,053,751 | $26.67 | 116 |
| 2014 Q2 | 12,279,243 | $371,925,787 | +$3,418,867 | $30.29 | 117 |
| 2014 Q1 | 12,131,066 | $373,340,414 | +$8,357,540 | $30.79 | 118 |