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Disclosery

OTTR OTTER TAIL CORP

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COM (common), issuer CIK 1466593

349 managers (361 13F filers) reported a position in OTTR shares at 2026-06-30, 29,431,214 shares in all. 44 filers opened a position and 28 filers sold out during the quarter.

Managers
349
13F filers
361
New
44
Added
143
Reduced
102
Sold out
28
Shares held by filers
29,431,214

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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
BlackRock, Inc.in group BlackRock, Inc.6,557,596$590M0.01%+133,22213F-HRTimelineGroup
VANGUARD GROUP INCgroup of 7 filers holding5,230,791$471M+86,386Timeline
STATE STREET CORPin group STATE STREET CORP1,645,782$148M<0.01%+76,43413F-HRTimelineGroup
LSV ASSET MANAGEMENT1,186,461$107M0.19%+143,54813F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,112,886$100M0.01%+57,99913F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY885,376$79.7M<0.01%+230,94213F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP828,016$74.5M0.01%+12,77513F-HRTimelineGroup
GAMCO Investors (Gabelli)group of 2 filers holding726,998$65.4M-5,002Timeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP725,769$65.3M0.05%+62,83513F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP637,043$57.3M0.03%+30,53913F-HRTimelineGroup
Caisse de depot et placement du Quebec539,873$48.6M0.07%-30,06013F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co519,756$46.8M0.01%-4,36513F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP453,446$40.8M<0.01%+21,43413F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.447,021$40.2M0.02%+47,59513F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp358,275$32.2M0.01%+7,66713F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO315,978$28.3M<0.01%-23,65513F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/312,589$28.1M<0.01%-23,89413F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC276,060$24.8M0.01%+23,68413F-HRTimeline
Nuveen, LLCin group TIAA268,456$24.2M0.01%+79,22813F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/260,050$23.4M<0.01%+127,58013F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC249,295$22.4M<0.01%-236,05613F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC233,558$21M0.01%+1,66913F-HRTimelineGroup
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…210,546$18.9M0.03%-131,45413F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.199,684$18M<0.01%-25,48913F-HRTimelineGroup
Public Sector Pension Investment Board195,071$17.6M0.05%-3,58913F-HR/ATimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA185,376$16.7M<0.01%+7,21513F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding181,732$16.4M-69,392Timeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.174,664$15.7M0.02%+7,09913F-HRTimelineGroup
Bank & Trust Co119,641$10.8M6.79%+40513F-HRTimeline
RHUMBLINE ADVISERS104,092$9.37M0.01%+5,16313F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\100,662$9.06M0.01%-10,14913F-HRTimelineGroup
WHITTIER TRUST CO98,904$8.95M0.09%-10813F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC97,439$8.77M<0.01%+1,69013F-HRTimelineGroup
LPL Financial LLC95,971$8.64M<0.01%+37,53313F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources90,522$8.15M<0.01%-21,55013F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC86,785$7.81M<0.01%+23,30313F-HRTimelineGroup
CONTRAVISORY INVESTMENT MANAGEMENT, INC.86,441$7.78M1.37%new13F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc85,285$7.67M<0.01%-8,79213F-HRTimelineGroup
DENALI ADVISORS LLC85,102$7.66M0.77%-4,80713F-HRTimeline
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC83,053$7.47M0.02%+2,70013F-HRTimeline
ProShare Advisors LLC80,928$7.28M0.01%+6,03913F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…78,855$7.1M0.01%-3,11313F-HRTimeline
Swiss National Bank75,800$6.82M<0.01%+1,40013F-HRTimeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …75,539$6.8M0.01%-11613F-HRTimelineGroup
Phocas Financial Corp.72,681$6.54M0.91%-3,80213F-HRTimeline
Qube Research & Technologies Ltd72,311$6.51M0.01%-195,54313F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC71,147$6.4M<0.01%-59,06413F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND70,882$6.38M0.01%+1,60013F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC68,569$6.17M0.01%-1,05013F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN67,333$6.06M<0.01%+18,85613F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC59,697$5.37M<0.01%+16,95213F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…57,071$5.14M0.01%+11,67813F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC55,880$5.03M0.01%-5,74713F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS54,910$4.94M<0.01%-7,23813F-HRTimelineGroup
TUDOR INVESTMENT CORP ET AL52,639$4.74M0.02%-33,22713F-HRTimeline
CITIGROUP INCin group CITIGROUP INC50,314$4.53M<0.01%+15,81913F-HRTimelineGroup
WHITTIER TRUST CO OF NEVADA INC49,054$4.46M0.08%+11913F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC47,891$4.31M<0.01%+4,57913F-HRTimelineGroup
Linden Thomas Advisory Services, LLC44,579$4.01M0.32%+21,91613F-HRTimeline
ALLIANCEBERNSTEIN L.P.44,983$3.95M<0.01%+3,26013F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P43,830$3.94M0.09%+4,09913F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\43,790$3.94M<0.01%+4,98113F-HRTimelineGroup
Palisades Investment Partners, LLC43,583$3.92M1.12%-78613F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…43,201$3.89M<0.01%-1,30313F-HR/ATimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…42,882$3.86M0.01%+63213F-HRTimelineGroup
Vest Financial, LLC42,523$3.83M0.04%+1,46913F-HRTimeline
BENJAMIN EDWARDS INCin group BENJAMIN EDWARDS INC40,275$3.62M0.03%+1,04613F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC36,053$3.24M<0.01%-15,14913F-HRTimelineGroup
Inspire Investing, LLCgroup of 2 filers holding33,779$3.04M+33,778Timeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co33,415$3.01M<0.01%-88013F-HRTimelineGroup
FIRST MANHATTAN CO. LLC.33,349$3M0.01%-45213F-HRTimeline
ROYCE & ASSOCIATES LP31,715$2.85M0.02%+18013F-HRTimeline
Financial Engines Advisors L.L.C.31,490$2.83M0.01%-43413F-HRTimeline
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding31,200$2.81M+30,980Timeline
XTX Topco Ltdin group XTX Topco Ltd29,860$2.69M0.03%-13,96313F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC29,182$2.63M<0.01%+7,14513F-HRTimelineGroup
Cetera Investment Advisers28,242$2.54M<0.01%+10,35813F-HRTimeline
PDT Partners, LLC27,000$2.43M0.13%+6,40013F-HRTimeline
Mariner, LLCin group Mariner, LLC26,469$2.38M<0.01%+12413F-HRTimelineGroup
COMMONWEALTH EQUITY SERVICES, LLC25,768$2.32M<0.01%-1,09713F-HRTimeline
JOHN G ULLMAN & ASSOCIATES INC25,450$2.29M0.28%013F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC23,310$2.1M<0.01%+16,70013F-HRTimeline
Advisors Asset Management, Inc.23,141$2.08M0.03%+1,83713F-HRTimeline
VOLORIDGE INVESTMENT MANAGEMENT, LLC23,067$2.08M0.01%-67,37213F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…22,779$2.05M0.01%+1,51213F-HRTimelineGroup
OneAscent Financial Services LLCin group OneAscent Financial Services …22,625$2.04M0.1%-2,39313F-HRTimelineGroup
FIFTH THIRD BANK, NATIONAL ASSOCIATIONgroup of 2 filers holding22,251$2M-82Timeline
STATE BOARD OF ADMINISTRATION OF FLORID…22,029$1.98M<0.01%+1,13013F-HRTimeline
ALPS ADVISORS INC21,276$1.91M0.01%+56913F-HRTimeline
Illinois Municipal Retirement Fund20,979$1.89M0.02%-1913F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…20,315$1.83M<0.01%+16,90013F-HRTimelineGroup
WINTON GROUP Ltdin group WINTON GROUP Ltd19,946$1.79M0.06%+5,32513F-HRTimelineGroup
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…19,771$1.78M0.01%-6,19813F-HRTimelineGroup
OCCUDO QUANTITATIVE STRATEGIES LP19,692$1.77M0.09%new13F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …19,564$1.76M<0.01%+1,65613F-HRTimelineGroup
Quantinno Capital Management LP18,604$1.67M<0.01%+3,85613F-HRTimeline
Louisiana State Employees Retirement Sy…18,400$1.66M0.02%-20013F-HR/ATimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…18,010$1.62M<0.01%-8513F-HRTimelineGroup
Jupiter Topco LLCin group Janus Henderson17,899$1.61M<0.01%13F-HRTimelineGroup
Engineers Gate Manager LP17,622$1.59M0.02%+5,65513F-HRTimeline
NewEdge Advisors, LLC17,147$1.54M<0.01%+83413F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…16,814$1.51M0.01%+5,67313F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…16,655$1.48M<0.01%+82213F-HRTimeline
Focus Financial Network, Inc.16,358$1.47M0.05%-58713F-HRTimeline
Holocene Advisors, LP15,635$1.41M<0.01%+10,65413F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC15,400$1.39M0.01%new13F-HRTimelineGroup
NATIXIS ADVISORS, LLCin group Natixis Investment Managers15,032$1.35M<0.01%+2,87413F-HRTimelineGroup
Zurcher Kantonalbank (Zurich Cantonalba…15,010$1.35M<0.01%013F-HRTimeline
Focus Partners Wealthgroup of 2 filers holding14,988$1.35M+4,386Timeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.14,489$1.31M<0.01%-4,98313F-HRTimelineGroup
Man Group plcin group Man Group plc14,471$1.3M<0.01%-41,41613F-HRTimelineGroup
North Star Investment Management Corp.14,236$1.28M0.07%013F-HRTimeline
State of Alaska, Department of Revenue13,826$1.24M0.01%-6,85813F-HRTimeline
Schonfeld Strategic Advisors LLC13,612$1.22M0.01%new13F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC13,273$1.19M0.01%+1,67713F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC12,924$1.16M0.01%+25113F-HR/ATimeline
Cambridge Investment Research Advisors,…12,788$1.15M<0.01%+5,03013F-HR/ATimeline
HighTower Advisors, LLC12,186$1.1M<0.01%+2,08213F-HRTimeline
CAPITAL FUND MANAGEMENT S.A.12,038$1.08M0.01%-1,98413F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP11,866$1.08M<0.01%+5,14713F-HRTimelineGroup
Police & Firemen's Retirement System of…11,536$1.04M0.01%+90013F-HRTimeline
AMALGAMATED BANK11,199$1.01M0.01%-75713F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC11,162$1M0.01%+2713F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCgroup of 2 filers holding10,903$981K+1,976Timeline
JAMES INVESTMENT RESEARCH, INC.10,631$957K0.1%013F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…10,544$949K0.01%013F-HRTimeline
EAGLE GLOBAL ADVISORS LLC10,480$943K0.03%013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM10,419$938K<0.01%+6013F-HRTimeline
Atom Investors LP10,370$933K0.08%-4213F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…10,300$927K<0.01%-2,20513F-HRTimeline
GREAT VALLEY ADVISOR GROUP, INC.10,201$918K0.01%013F-HRTimeline
Jefferies Financial Group Inc.in group Jefferies Financial Group Inc.10,082$907K0.01%new13F-HRTimelineGroup
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…9,956$896K<0.01%-40713F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC9,877$889K<0.01%+75413F-HRTimelineGroup
VISTA INVESTMENT PARTNERS LLC9,786$881K0.22%-113F-HRTimeline
Hennion & Walsh Asset Management, Inc.9,729$875K0.02%+4,61713F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND9,592$863K0.01%013F-HRTimeline
State of Tennessee, Department of Treas…9,490$854K<0.01%013F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/8,835$795K<0.01%+5513F-HRTimelineGroup
MML INVESTORS SERVICES, LLC8,800$792K<0.01%+1,64513F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO8,618$775K<0.01%-2,42913F-HRTimelineGroup
Bridgewater Associates, LP8,549$769K<0.01%-6,65213F-HRTimeline
FMR LLCin group FMR LLC8,298$747K<0.01%+33313F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC8,249$742K0.01%-1,62613F-HRTimeline
NorthRock Partners, LLC8,215$739K0.01%-913F-HRTimeline
Empowered Funds, LLC8,170$735K<0.01%new13F-HRTimeline
ALERUS FINANCIAL NA8,028$722K0.03%-1,00013F-HRTimeline
Curi Capital, LLC7,947$715K0.01%-40513F-HRTimeline
Bluespring Wealth Management, LLC7,923$713K0.01%+46413F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …7,819$701K<0.01%+32213F-HRTimelineGroup
Private Advisor Group, LLC7,748$697K<0.01%+913F-HRTimeline
Creative Planningin group Creative Planning7,596$683K<0.01%+57513F-HRTimelineGroup
FOSTER & MOTLEY INC7,223$650K0.03%-52713F-HRTimeline
Exit Wealth Advisors, LLC.7,178$646K0.29%new13F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…7,080$637K<0.01%013F-HRTimelineGroup
INFRASTRUCTURE CAPITAL ADVISORS, LLC6,924$623K0.05%+13013F-HRTimeline
D.A. DAVIDSON & CO.6,767$609K<0.01%013F-HRTimeline
Johnson Wealth Management, LLC6,717$604K0.26%-1013F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd6,332$570K<0.01%new13F-HRTimelineGroup
CIBC Bancorp USA Inc.in group CIBC Bancorp USA Inc.6,215$559K<0.01%+28013F-HRTimelineGroup
Lido Advisors, LLCin group Lido Advisors, LLC6,203$558K<0.01%+78713F-HRTimelineGroup
Janney Montgomery Scott LLC6,107$550K<0.01%+5813F-HRTimeline
Maryland State Retirement & Pension Sys…6,110$550K0.01%013F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC5,982$538K0.01%-113F-HRTimeline
Sterling Capital Management LLC5,901$531K0.01%-43113F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC5,858$527K<0.01%+5913F-HRTimelineGroup
Amundiin group Amundi5,840$525K<0.01%-2,37713F-HRTimelineGroup
Empirical Financial Services, LLC d.b.a…5,628$506K0.01%+60313F-HRTimeline
RBA Wealth Management, LLC5,569$501K0.18%-47313F-HRTimeline
GREENWOOD CAPITAL ASSOCIATES LLC5,511$496K0.05%-5713F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…5,403$486K<0.01%+1513F-HRTimelineGroup
BAYBAN5,401$486K0.37%+20013F-HRTimeline
Opus Capital Group, LLC5,266$474K0.05%013F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC5,243$472K<0.01%-25113F-HRTimelineGroup
SG Americas Securities, LLC5,211$469K<0.01%-20,29313F-HRTimeline
Modern Wealth Management, LLC5,174$466K0.01%-413F-HRTimeline
Savant Capital, LLC5,237$465K<0.01%+2,61913F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD5,059$455K<0.01%-9,69213F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…5,043$454K<0.01%-15,06413F-HRTimelineGroup
Hendershot Investments Inc.5,000$450K0.06%013F-HRTimeline
Sanctuary Advisors, LLC4,928$443K<0.01%new13F-HRTimeline
Bravera Wealth4,873$438K0.17%-52613F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…4,808$433K<0.01%+1213F-HRTimelineGroup
Alternative Investment Advisors, LLC.4,799$432K0.17%+3113F-HRTimeline
EVOLVE PRIVATE WEALTH, LLC4,789$431K0.03%+1713F-HRTimeline
VIRTUS ADVISERS, LLCin group Virtus Investment Advisers, L…4,753$428K0.16%-2,10113F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…4,608$415K<0.01%013F-HRTimeline
QUADRANT CAPITAL GROUP LLC4,576$412K0.01%013F-HRTimeline
Legacy Capital Group California, Inc.4,560$410K0.12%new13F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV4,539$408K<0.01%+31113F-HR/ATimeline
Valtinson Bruner Financial Planning LLC4,539$408K0.1%-27813F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…4,442$400K<0.01%+38613F-HRTimelineGroup
Accredited Investors Inc.4,436$399K0.02%+2913F-HRTimeline
HARBOUR INVESTMENTS, INC.4,395$395K0.01%-21513F-HRTimeline
Wealth Forward, LLC4,238$381K0.19%013F-HRTimeline
Steward Partners Investment Advisory, L…4,193$377K<0.01%+70213F-HRTimeline
BOKF, NAin group BOKF, NA4,167$375K0.01%-3913F-HRTimelineGroup
MIRABELLA FINANCIAL SERVICES LLP4,088$368K0.04%new13F-HRTimeline
Bell Bank4,086$368K0.01%013F-HRTimeline
Tactive Advisors, LLC4,050$364K0.09%new13F-HRTimeline