OTTER TAIL CORP (OTTR) Institutional Ownership Changes & 13F Activity

OTTER TAIL CORP (OTTR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Goldman Sachs Group Inc, Invesco Ltd., Qube Research & Technologies Ltd, Adage Capital Partners Gp, L.L.C., and Price T Rowe Associates Inc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Security National Bank Of Sioux City IowaBuy+300300$26.99KQ2 2026Sep 18, 2026
Cherry Tree Wealth Management, LlcSell-113-24.9%341$30.68KQ2 2026Sep 15, 2026
Manufacturers Life Insurance Company, TheBuy+1,656+9.2%19,564$1.76MQ2 2026Sep 09, 2026
Citadel Advisors LlcSell-15,149-29.6%36,053$3.24MQ2 2026Sep 02, 2026
Alternative Investment Advisors, Llc.Buy+31+0.7%4,799$431.83KQ2 2026Aug 31, 2026
Corient Private Wealth LlcBuy+426+17.5%2,862$257.55KQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-1,303-2.9%43,201$3.89MQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+311+7.4%4,539$408.45KQ2 2026Aug 19, 2026
Beacon Pointe Advisors, LlcBuy+20+0.7%3,049$274.31KQ2 2026Aug 18, 2026
Fulcrum Asset Management LlpBuy+66$533.00Q2 2026Aug 18, 2026
Jefferies Financial Group Inc.Buy+10,08210,082$907.18KQ2 2026Aug 17, 2026
Empowered Funds, LlcBuy+8,1708,170$735.14KQ2 2026Aug 17, 2026
Capstone Investment Advisors, LlcBuy+5,673+50.9%16,814$1.51MQ2 2026Aug 17, 2026
Public Employees Retirement System Of OhioBuy+35+5.3%699$62.90KQ2 2026Aug 17, 2026
Caitlin John, LlcBuy+1111$990.00Q2 2026Aug 17, 2026
Goldman Sachs Group IncSell-236,056-48.6%249,295$22.43MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+199,684199,684$17.97MQ2 2026Aug 14, 2026
Qube Research & Technologies LtdSell-195,543-73.0%72,311$6.51MQ2 2026Aug 14, 2026
Adage Capital Partners Gp, L.L.C.Sell-131,454-38.4%210,546$18.94MQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+127,580+96.3%260,050$23.40MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+97,43997,439$8.77MQ2 2026Aug 14, 2026
Voloridge Investment Management, LlcSell-67,372-74.5%23,067$2.08MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+62,835+9.5%725,769$65.30MQ2 2026Aug 14, 2026
Millennium Management LlcSell-59,064-45.4%71,147$6.40MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+47,595+11.9%447,021$40.22MQ2 2026Aug 14, 2026
Man Group PlcSell-41,416-74.1%14,471$1.30MQ2 2026Aug 14, 2026
Tudor Investment Corp Et AlSell-33,227-38.7%52,639$4.74MQ2 2026Aug 14, 2026
Nomura Asset Management International Inc.Buy+31,20031,200$2.81MQ2 2026Aug 14, 2026
Caisse De Depot Et Placement Du QuebecSell-30,060-5.3%539,873$48.58MQ2 2026Aug 14, 2026
Bank Of America CorpSell-23,894-7.1%312,589$28.13MQ2 2026Aug 14, 2026
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Frequently asked questions about OTTR activity

  • Which institutional owners are buying OTTR?

    Institutional owners buying OTTR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in OTTR activity?

    "Buy" means an investor increased their reported position in OTTR compared to the prior reporting period. This reflects growing exposure to OTTER TAIL CORP (OTTR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in OTTR increasing?

    Institutional interest in OTTR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.