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Otter Tail Corp

OTTR
Exchange
Nasdaq
Industry
Electric Services
SEC CIK
0001466593

In the last 90 days, Otter Tail Corp insiders filed 0 open-market purchases and 2 sales; 363 institutions reported holding it in 13F filings for Q2 2026, worth $2.65B in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Otter Tail Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
354
+12 vs. Q3 2025
Shares held
28.3M
+108.1K (+0.4%) vs. Q3 2025
Total value
$2.29B
−$23.3M (−1.0%) vs. Q3 2025
New holders
47
120 more added
Sold out
35
120 more reduced

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OTTR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 354 institutions
Q1 2021: 174 institutionsQ2 2021: 169 institutionsQ3 2021: 199 institutionsQ4 2021: 224 institutionsQ1 2022: 235 institutionsQ2 2022: 249 institutionsQ3 2022: 266 institutionsQ4 2022: 249 institutionsQ1 2023: 256 institutionsQ2 2023: 261 institutionsQ3 2023: 277 institutionsQ4 2023: 298 institutionsQ1 2024: 304 institutionsQ2 2024: 315 institutionsQ3 2024: 328 institutionsQ4 2024: 324 institutionsQ1 2025: 334 institutionsQ2 2025: 345 institutionsQ3 2025: 345 institutionsQ4 2025: 354 institutionsQ1 2026: 347 institutionsQ2 2026: 363 institutions
Value heldQ4 2025: $2.29B
Q1 2021: $887.4MQ2 2021: $935.3MQ3 2021: $1.09BQ4 2021: $1.38BQ1 2022: $1.22BQ2 2022: $1.33BQ3 2022: $1.26BQ4 2022: $1.19BQ1 2023: $1.83BQ2 2023: $1.99BQ3 2023: $1.89BQ4 2023: $2.16BQ1 2024: $2.12BQ2 2024: $2.16BQ3 2024: $2.05BQ4 2024: $2.03BQ1 2025: $2.21BQ2 2025: $2.12BQ3 2025: $2.31BQ4 2025: $2.29BQ1 2026: $2.57BQ2 2026: $2.65B
Institutions holding OTTR and their total value by quarter
QuarterHoldersValue
Q2 2026363$2.65B
Q1 2026347$2.57B
Q4 2025354$2.29B
Q3 2025345$2.31B
Q2 2025345$2.12B
Q1 2025334$2.21B
Q4 2024324$2.03B
Q3 2024328$2.05B
Q2 2024315$2.16B
Q1 2024304$2.12B
Q4 2023298$2.16B
Q3 2023277$1.89B
Q2 2023261$1.99B
Q1 2023256$1.83B
Q4 2022249$1.19B
Q3 2022266$1.26B
Q2 2022249$1.33B
Q1 2022235$1.22B
Q4 2021224$1.38B
Q3 2021199$1.09B
Q2 2021169$935.3M
Q1 2021174$887.4M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Otter Tail Corp; share changes are against Q3 2025.

Institutions holding OTTR in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
CWM, LLC8,443$682.0K0.00%−1,373−14.0%Reduced
Alerus Financial NA9,028$729.6K0.04%+630+7.5%Added
Voya Investment Management LLC9,320$753.1K0.00%−151−1.6%Reduced
Oregon Public Employees Retirement Fund9,592$775.1K0.01%+169+1.8%Added
Belpointe Asset Management LLC9,748$787.7K0.03%+9,748New
Fortis Capital Advisors, LLC9,748$787.7K0.12%+9,748New
Vista Investment Partners LLC9,787$790.9K0.21%−11−0.1%Reduced
HighTower Advisors, LLC9,841$795.3K0.00%−366−3.6%Reduced
Sterling Capital Management LLC10,154$820.5K0.01%−398−3.8%Reduced
Colony Group, LLC10,186$823.3K0.00%+3,166+45.1%Added
Great Valley Advisor Group, Inc.10,201$824.6K0.02%+10.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys10,375$838.4K0.00%−297−2.8%Reduced
Atom Investors LP10,412$841.4K0.07%−4,058−28.0%Reduced
O'Shaughnessy Asset Management, LLC10,435$843.3K0.00%+1,300+14.2%Added
Quantinno Capital Management LP10,470$846.1K0.00%+2,592+32.9%Added
State of Tennessee, Treasury Department9,490$846.1K0.00%−2,435−20.4%Reduced
Eagle Global Advisors LLC10,480$846.9K0.03%+10,480New
Arizona State Retirement System10,530$850.9K0.00%−605−5.4%Reduced
Teachers Retirement System of the State of Kentucky10,544$852.0K0.01%−1,427−11.9%Reduced
James Investment Research Inc10,618$858.0K0.09%+50.0%Added
Police & Firemen's Retirement System of New Jersey10,636$859.5K0.01%−40−0.4%Reduced
Allspring Global Investments Holdings, LLC11,126$906.2K0.00%+972+9.6%Added
Natixis Advisors, L.P.11,512$930.0K0.00%+670+6.2%Added
Linden Thomas Advisory Services, LLC11,576$935.5K0.09%+484+4.4%Added
Los Angeles Capital Management LLC12,560$974.4K0.00%00.0%Unchanged
Amalgamated Bank12,070$975.0K0.01%+115+1.0%Added
Yousif Capital Management, LLC11,258$983.8K0.01%−2,092−15.7%Reduced
Susquehanna International Group, LLP12,175$983.9K0.00%+12,175New
Zurcher Kantonalbank (Zurich Cantonalbank)12,181$984.3K0.00%00.0%Unchanged
Renaissance Technologies LLC13,298$1.07M0.00%−94,612−87.7%Reduced
State Board of Administration of Florida Retirement System13,500$1.09M0.00%+2,049+17.9%Added
SG Americas Securities, LLC13,654$1.10M0.00%+3,363+32.7%Added
New York State Teachers Retirement System13,986$1.13M0.00%−412−2.9%Reduced
North Star Investment Management Corp.14,236$1.15M0.07%−451−3.1%Reduced
Winton Group Ltd14,554$1.18M0.04%+155+1.1%Added
Exchange Traded Concepts, LLC14,779$1.19M0.01%−1,208−7.6%Reduced
Balyasny Asset Management LLC15,313$1.24M0.00%−27,338−64.1%Reduced
Voleon Capital Management LP15,344$1.24M0.03%+2,931+23.6%Added
Capital Fund Management S.A.15,373$1.24M0.01%−1,922−11.1%Reduced
Janus Henderson Group PLC15,542$1.26M0.00%00.0%Unchanged
Focus Financial Network, Inc.15,713$1.27M0.04%−1,644−9.5%Reduced
AQR Capital Management LLC15,930$1.29M0.00%+1,361+9.3%Added
GWM Advisors LLC16,231$1.31M0.00%−739−4.4%Reduced
Jefferies Financial Group Inc.16,500$1.33M0.01%+16,500New
Cetera Investment Advisers16,583$1.34M0.00%+192+1.2%Added
Comerica Bank17,017$1.38M0.01%−2,418−12.4%Reduced
Advisors Asset Management, Inc.17,762$1.44M0.02%+1,865+11.7%Added
Wealth Enhancement Advisory Services, LLC17,564$1.44M0.00%+38+0.2%Added
Mirae Asset Global ETFs Holdings Ltd.17,897$1.45M0.00%−18−0.1%Reduced
Intech Investment Management LLC18,064$1.46M0.01%00.0%Unchanged
Gsa Capital Partners LLP18,086$1.46M0.13%+5,572+44.5%Added
Manufacturers Life Insurance Company, The18,469$1.49M0.00%−3,471−15.8%Reduced
Louisiana State Employees Retirement System19,200$1.55M0.03%−100−0.5%Reduced
Virginia Retirement Systems Et Al20,454$1.65M0.01%−11,600−36.2%Reduced
MetLife Investment Management21,098$1.70M0.01%−1,542−6.8%Reduced
State of Alaska, Department of Revenue21,338$1.72M0.02%+251+1.2%Added
Alps Advisors Inc21,695$1.75M0.01%−1,478−6.4%Reduced
Illinois Municipal Retirement Fund22,205$1.79M0.02%+305+1.4%Added
State of Wisconsin Investment Board22,401$1.81M0.00%−1,644−6.8%Reduced
Capstone Investment Advisors, LLC22,949$1.85M0.02%+14,375+167.7%Added
Elo Mutual Pension Insurance Co23,106$1.87M0.03%+23,106New
Commonwealth Equity Services, LLC23,685$1.91M0.00%−4,606−16.3%Reduced
Trexquant Investment LP23,894$1.93M0.02%−32,294−57.5%Reduced
John G Ullman & Associates Inc24,950$2.02M0.27%+4,300+20.8%Added
Dark Forest Capital Management LP25,090$2.03M0.09%+25,090New
Mariner, LLC25,546$2.06M0.00%+1,698+7.1%Added
ExodusPoint Capital Management, LP25,973$2.10M0.02%+25,973New
State of New Jersey Common Pension Fund D26,319$2.13M0.01%+719+2.8%Added
Quest Partners LLC30,566$2.47M0.14%+10,457+52.0%Added
Financial Engines Advisors L.L.C.30,590$2.47M0.00%+600+2.0%Added
Royce & Associates LP31,728$2.56M0.03%−212−0.7%Reduced
Connor, Clark & Lunn Investment Management Ltd.31,911$2.58M0.01%−900−2.7%Reduced
XTX Topco Ltd32,434$2.62M0.07%+27,353+538.3%Added
Martingale Asset Management L P33,241$2.69M0.07%+757+2.3%Added
Advisor Group Holdings, Inc.34,482$2.79M0.00%+2,644+8.3%Added
Deutsche Bank AG35,017$2.83M0.00%+1,248+3.7%Added
Wellington Management Group LLP35,029$2.83M0.00%+35,029New
Bridgeway Capital Management, LLC35,600$2.88M0.06%−2,500−6.6%Reduced
California State Teachers Retirement System35,754$2.89M0.00%+902+2.6%Added
Great West Life Assurance Co36,314$2.93M0.01%+1,879+5.5%Added
US Bancorp36,733$2.97M0.00%+4,136+12.7%Added
Franklin Resources Inc36,993$2.99M0.00%+5,395+17.1%Added
First Manhattan Co38,210$3.09M0.01%−300−0.8%Reduced
Benjamin Edwards Inc38,294$3.09M0.03%−54−0.1%Reduced
Citigroup Inc38,463$3.11M0.00%−2,141−5.3%Reduced
American Century Companies Inc39,917$3.23M0.00%+23,811+147.8%Added
Palisades Investment Partners, LLC40,891$3.30M1.25%+700+1.7%Added
Thrivent Financial for Lutherans41,187$3.33M0.01%+8,663+26.6%Added
Raymond James Financial Inc42,650$3.45M0.00%−28−0.1%Reduced
MUFG Securities EMEA plc44,000$3.56M0.04%+44,000New
Price T Rowe Associates Inc44,543$3.60M0.00%+1,797+4.2%Added
Alliancebernstein L.P.45,887$3.71M0.00%+2,240+5.1%Added
Man Group plc47,320$3.82M0.01%−13,992−22.8%Reduced
Whittier Trust Co of Nevada Inc48,186$3.95M0.08%+721+1.5%Added
CBOE Vest Financial, LLC54,476$4.40M0.06%−10,925−16.7%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH56,235$4.55M0.01%+49,891+786.4%Added
Healthcare of Ontario Pension Plan Trust Fund62,918$5.08M0.01%+34,733+123.2%Added
LPL Financial LLC64,048$5.18M0.00%−2,102−3.2%Reduced
Barclays PLC65,900$5.33M0.00%+2,659+4.2%Added
New York State Common Retirement Fund69,282$5.60M0.01%−101−0.1%Reduced