Otter Tail Corporation

Historical 13F Holders

Symbol
OTTR
CUSIP
689648103
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 689648103 since 12/18/2024, largest first.

Filer % of Class Filed
Vanguard Portfolio Management LLC 13G 7.1% 4/29/2026
Event 3/31/2026
Vanguard Capital Management LLC 13G 5.2% 4/30/2026
Event 3/31/2026
State Street Corp 13G 5.1% 8/7/2026
Event 6/30/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Vanguard Group Inc 13G/A 0% 3/27/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 30 473 k $41.6 M
2026 Q2 372 33.3 M $2.69 B
2026 Q1 354 29.2 M $2.57 B
2025 Q4 360 28.3 M $2.29 B
2025 Q3 353 28.8 M $2.36 B
2025 Q2 354 27.8 M $2.15 B
2025 Q1 343 27.5 M $2.21 B
2024 Q4 333 27.5 M $2.03 B
2024 Q3 336 26.5 M $2.06 B
2024 Q2 325 25.3 M $2.20 B
2024 Q1 317 25.7 M $2.21 B
2023 Q4 309 26.0 M $2.21 B
2023 Q3 288 24.9 M $1.89 B
2023 Q2 269 25.2 M $1.99 B
2023 Q1 264 25.7 M $1.83 B
2022 Q4 259 21.2 M $1.24 B
2022 Q3 274 20.5 M $1.26 B
2022 Q2 255 19.9 M $1.33 B
2022 Q1 242 19.6 M $1.22 B
2021 Q4 231 19.5 M $1.39 B
2021 Q3 199 19.5 M $1.09 B
2021 Q2 171 19.2 M $935 M
2021 Q1 179 19.2 M $888 M
2020 Q4 183 20.4 M $870 M
2020 Q3 166 19.0 M $689 M
2020 Q2 174 18.9 M $734 M
2020 Q1 177 18.4 M $817 M
2019 Q4 181 18.7 M $961 M
2019 Q3 186 17.8 M $958 M
2019 Q2 178 17.6 M $928 M
2019 Q1 179 17.4 M $867 M
2018 Q4 180 17.8 M $884 M
2018 Q3 159 17.6 M $843 M
2018 Q2 157 17.0 M $810 M
2018 Q1 158 17.1 M $739 M
2017 Q4 160 16.7 M $741 M
2017 Q3 137 16.2 M $704 M
2017 Q2 147 16.0 M $634 M
2017 Q1 143 15.8 M $599 M
2016 Q4 150 15.7 M $641 M
2016 Q3 144 15.0 M $518 M
2016 Q2 143 14.2 M $474 M
2016 Q1 131 13.2 M $391 M
2015 Q4 121 12.8 M $342 M
2015 Q3 121 12.8 M $333 M
2015 Q2 118 12.6 M $335 M
2015 Q1 121 12.5 M $404 M
2014 Q4 126 13.0 M $404 M
2014 Q3 120 12.3 M $328 M
2014 Q2 121 13.0 M $394 M
2014 Q1 121 12.1 M $374 M