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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, Q2 2026

Institutional positions in Otter Tail Corp as of Jun 30, 2026. 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
363
+20 vs. Q1 2026
Shares held
29.4M
+228.6K (+0.8%) vs. Q1 2026
Total value
$2.65B
+$85.8M (+3.3%) vs. Q1 2026
New holders
48
144 more added
Sold out
28
103 more reduced

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 363 institutions
Q1 2021: 174 institutionsQ2 2021: 169 institutionsQ3 2021: 199 institutionsQ4 2021: 224 institutionsQ1 2022: 235 institutionsQ2 2022: 249 institutionsQ3 2022: 267 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 heldQ2 2026: $2.65B
Q1 2021: $887.6MQ2 2021: $935.3MQ3 2021: $1.09BQ4 2021: $1.39BQ1 2022: $1.22BQ2 2022: $1.33BQ3 2022: $1.26BQ4 2022: $1.19BQ1 2023: $1.83BQ2 2023: $1.99BQ3 2023: $1.89BQ4 2023: $2.20BQ1 2024: $2.22BQ2 2024: $2.17BQ3 2024: $2.06BQ4 2024: $2.03BQ1 2025: $2.21BQ2 2025: $2.13BQ3 2025: $2.36BQ4 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$2.36B
Q2 2025345$2.13B
Q1 2025334$2.21B
Q4 2024324$2.03B
Q3 2024328$2.06B
Q2 2024315$2.17B
Q1 2024304$2.22B
Q4 2023298$2.20B
Q3 2023277$1.89B
Q2 2023261$1.99B
Q1 2023256$1.83B
Q4 2022249$1.19B
Q3 2022267$1.26B
Q2 2022249$1.33B
Q1 2022235$1.22B
Q4 2021224$1.39B
Q3 2021199$1.09B
Q2 2021169$935.3M
Q1 2021174$887.6M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Otter Tail Corp; share changes are against Q1 2026.

Institutions holding OTTR in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.6,557,596$590.1M0.01%+133,222+2.1%Added
Vanguard Portfolio Management LLC2,996,322$269.6M0.01%+49,138+1.7%Added
Vanguard Capital Management LLC1,891,243$170.2M0.00%+25,530+1.4%Added
State Street Corp1,645,782$148.1M0.00%+76,434+4.9%Added
LSV Asset Management1,186,461$106.8M0.19%+143,548+13.8%Added
Geode Capital Management, LLC1,112,886$100.2M0.01%+57,999+5.5%Added
Morgan Stanley885,376$79.7M0.00%+230,942+35.3%Added
Dimensional Fund Advisors LP828,016$74.5M0.01%+12,775+1.6%Added
Two Sigma Investments, LP725,769$65.3M0.05%+62,835+9.5%Added
First Trust Advisors LP637,043$57.3M0.03%+30,539+5.0%Added
Caisse de Depot Et Placement du Quebec539,873$48.6M0.07%−30,060−5.3%Reduced
Charles Schwab Investment Management Inc519,756$46.8M0.01%−4,365−0.8%Reduced
Gabelli Funds LLC462,200$41.6M0.27%−5,000−1.1%Reduced
Northern Trust Corp453,446$40.8M0.00%+21,434+5.0%Added
D. E. Shaw & Co., Inc.447,021$40.2M0.02%+47,595+11.9%Added
Bank of New York Mellon Corp358,275$32.2M0.01%+7,667+2.2%Added
JPMorgan Chase & Co315,978$28.3M0.00%−23,655−7.0%Reduced
Bank of America Corp312,589$28.1M0.00%−23,894−7.1%Reduced
Vanguard Fiduciary Trust Co278,778$25.1M0.01%+6,370+2.3%Added
Victory Capital Management Inc276,060$24.8M0.01%+23,684+9.4%Added
Nuveen, LLC268,456$24.2M0.01%+79,228+41.9%Added
Gamco Investors, Inc. Et Al264,798$23.8M0.21%−20.0%Reduced
Price T Rowe Associates Inc260,050$23.4M0.00%+127,580+96.3%Added
Goldman Sachs Group Inc249,295$22.4M0.00%−236,056−48.6%Reduced
Principal Financial Group Inc233,558$21.0M0.01%+1,669+0.7%Added
Adage Capital Partners GP, L.L.C.210,546$18.9M0.03%−131,454−38.4%Reduced
Invesco Ltd.199,684$18.0M0.00%−25,489−11.3%Reduced
Public Sector Pension Investment Board195,071$17.6M0.05%−3,589−1.8%Reduced
Royal Bank of Canada185,376$16.7M0.00%+7,215+4.0%Added
Federated Hermes, Inc.174,664$15.7M0.02%+7,099+4.2%Added
UBS Group AG135,671$12.2M0.00%−20,882−13.3%Reduced
Bank & Trust Co119,641$10.8M6.79%+405+0.3%Added
Rhumbline Advisers104,092$9.37M0.01%+5,163+5.2%Added
US Bancorp100,662$9.06M0.01%−10,149−9.2%Reduced
Whittier Trust Co98,904$8.95M0.09%−108−0.1%Reduced
Ameriprise Financial Inc97,439$8.77M0.00%+1,690+1.8%Added
LPL Financial LLC95,971$8.64M0.00%+37,533+64.2%Added
Franklin Resources Inc90,522$8.15M0.00%−21,550−19.2%Reduced
American Century Companies Inc86,785$7.81M0.00%+23,303+36.7%Added
Contravisory Investment Management, Inc.86,441$7.78M1.37%+86,441New
Legal & General Group Plc85,285$7.67M0.00%−8,792−9.3%Reduced
Denali Advisors LLC85,102$7.66M0.77%−4,807−5.3%Reduced
Hotchkis & Wiley Capital Management LLC83,053$7.47M0.02%+2,700+3.4%Added
ProShare Advisors LLC80,928$7.28M0.01%+6,039+8.1%Added
Healthcare of Ontario Pension Plan Trust Fund78,855$7.10M0.01%−3,113−3.8%Reduced
Swiss National Bank75,800$6.82M0.00%+1,400+1.9%Added
Universal- Beteiligungs- und Servicegesellschaft mbH75,539$6.80M0.01%−116−0.2%Reduced
Phocas Financial Corp.72,681$6.54M0.91%−3,802−5.0%Reduced
Qube Research & Technologies Ltd72,311$6.51M0.01%−195,543−73.0%Reduced
Millennium Management LLC71,147$6.40M0.00%−59,064−45.4%Reduced
New York State Common Retirement Fund70,882$6.38M0.01%+1,600+2.3%Added
Prudential Financial Inc68,569$6.17M0.01%−1,050−1.5%Reduced
Wells Fargo & Company67,333$6.06M0.00%+18,856+38.9%Added
Raymond James Financial Inc59,697$5.37M0.00%+16,952+39.7%Added
Connor, Clark & Lunn Investment Management Ltd.57,071$5.14M0.01%+11,678+25.7%Added
Squarepoint Ops LLC55,880$5.03M0.01%−5,747−9.3%Reduced
BNP Paribas Arbitrage, SA54,910$4.94M0.00%−7,238−11.6%Reduced
Tudor Investment Corp Et Al52,639$4.74M0.02%−33,227−38.7%Reduced
Citigroup Inc50,314$4.53M0.00%+15,819+45.9%Added
Whittier Trust Co of Nevada Inc49,054$4.46M0.08%+119+0.2%Added
Barclays PLC47,891$4.31M0.00%+4,579+10.6%Added
UBS Asset Management Americas Inc46,061$4.14M0.00%−48,510−51.3%Reduced
Linden Thomas Advisory Services, LLC44,579$4.01M0.32%+21,916+96.7%Added
Alliancebernstein L.P.44,983$3.95M0.00%+3,260+7.8%Added
Martingale Asset Management L P43,830$3.94M0.09%+4,099+10.3%Added
Deutsche Bank AG43,790$3.94M0.00%+4,981+12.8%Added
Palisades Investment Partners, LLC43,583$3.92M1.12%−786−1.8%Reduced
California State Teachers Retirement System43,201$3.89M0.00%−1,303−2.9%Reduced
Thrivent Financial for Lutherans42,882$3.86M0.01%+632+1.5%Added
CBOE Vest Financial, LLC42,523$3.83M0.04%+1,469+3.6%Added
Benjamin Edwards Inc40,275$3.62M0.03%+1,046+2.7%Added
Citadel Advisors LLC36,053$3.24M0.00%−15,149−29.6%Reduced
Vanguard Asset Management, Ltd35,292$3.18M0.00%+5,929+20.2%Added
Great West Life Assurance Co33,415$3.01M0.00%−880−2.6%Reduced
First Manhattan Co33,349$3.00M0.01%−452−1.3%Reduced
Royce & Associates LP31,715$2.85M0.02%+180+0.6%Added
Financial Engines Advisors L.L.C.31,490$2.83M0.01%−434−1.4%Reduced
Nomura Asset Management International Inc.31,200$2.81M0.00%+31,200New
XTX Topco Ltd29,860$2.69M0.03%−13,963−31.9%Reduced
AQR Capital Management LLC29,182$2.63M0.00%+7,145+32.4%Added
CWM Advisors, LLC28,393$2.55M0.10%+28,392+2,839,200.0%Added
Cetera Investment Advisers28,242$2.54M0.00%+10,358+57.9%Added
PDT Partners, LLC27,000$2.43M0.13%+6,400+31.1%Added
Mariner, LLC26,469$2.38M0.00%+124+0.5%Added
Commonwealth Equity Services, LLC25,768$2.32M0.00%−1,097−4.1%Reduced
Cambridge Investment Research Advisors, Inc.25,576$2.30M0.00%+17,818+229.7%Added
John G Ullman & Associates Inc25,450$2.29M0.28%00.0%Unchanged
Renaissance Technologies LLC23,310$2.10M0.00%+16,700+252.6%Added
Advisors Asset Management, Inc.23,141$2.08M0.03%+1,837+8.6%Added
Voloridge Investment Management, LLC23,067$2.08M0.01%−67,372−74.5%Reduced
MetLife Investment Management22,779$2.05M0.01%+1,512+7.1%Added
OneAscent Financial Services LLC22,625$2.04M0.10%−2,393−9.6%Reduced
State Board of Administration of Florida Retirement System22,029$1.98M0.00%+1,130+5.4%Added
Alps Advisors Inc21,276$1.91M0.01%+569+2.7%Added
Illinois Municipal Retirement Fund20,979$1.89M0.02%−19−0.1%Reduced
Russell Investments Group, Ltd.20,315$1.83M0.00%+16,900+494.9%Added
Winton Group Ltd19,946$1.79M0.06%+5,325+36.4%Added
State of New Jersey Common Pension Fund D19,771$1.78M0.01%−6,198−23.9%Reduced
Occudo Quantitative Strategies LP19,692$1.77M0.09%+19,692New
Manufacturers Life Insurance Company, The19,564$1.76M0.00%+1,656+9.2%Added