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Otter Tail CORP Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

NASDAQ
OTTR
Otter Tail CORP
SCHEDULE: State Street Reports 5.1% Stake in Otter Tail Corp
State Street Corporation has disclosed beneficial ownership of 5.1% of Otter Tail Corp's common stock as of June 30, 2026.
NASDAQ
OTTR
Otter Tail CORP
SCHEDULE: Vanguard Discloses 5.19% Stake in Otter Tail Corp
Vanguard Capital Management has reported beneficial ownership of 5.19% of Otter Tail Corp's common stock as of March 31, 2026.
NASDAQ
OTTR
Otter Tail CORP
SCHEDULE: Vanguard Discloses 7.06% Stake in Otter Tail Corp
Vanguard Portfolio Management has reported beneficial ownership of 7.06% of Otter Tail Corp's common stock as of March 31, 2026.
NASDAQ
OTTR
Otter Tail CORP
SCHEDULE: Vanguard Reports 0% Stake in Otter Tail Post-Realignment
The Vanguard Group has filed an amended Schedule 13G for Otter Tail Corp, reporting 0% beneficial ownership due to an internal organizational realignment.