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OTTR OTTER TAIL CORP

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COM (common), issuer CIK 1466593

Filings received so far for Q3 2026: 13 13F filers report a position in OTTR shares at 2026-09-30. The quarter is not complete: its 13F deadline is 2026-11-14, and the counts grow as filings arrive.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2026

Filers in the available 13F reports with a share position at 2026-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
CONGRESS ASSET MANAGEMENT CO165,683$14.6M0.09%new13F-HRTimeline
Bank & Trust Co117,295$10.3M6.49%-2,34613F-HRTimeline
VISTA INVESTMENT PARTNERS LLC8,847$779K0.2%-93913F-HRTimeline
Atlas Brown,Inc.3,491$307K0.08%013F-HRTimeline
Farther Finance Advisors, LLC2,590$228K<0.01%+1,61813F-HRTimeline
ARMSTRONG ADVISORY GROUP, INC1,660$146K0.01%013F-HRTimeline
GAMMA Investing LLC1,065$93.8K<0.01%+23013F-HRTimeline
MJT & Associates Financial Advisory Gro…420$37K0.02%013F-HRTimeline
Versant Capital Management, Inc45$3.96K<0.01%013F-HRTimeline
MassMutual Private Wealth & Trust, FSB34$2.99K<0.01%013F-HRTimeline
GK Wealth Management LLC31$2.74K<0.01%new13F-HRTimeline
GILPIN WEALTH MANAGEMENT, LLC5$441<0.01%+113F-HRTimeline
Davis Capital Management5$440<0.01%+313F-HRTimeline