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, Q1 2026
Institutional positions in Otter Tail Corp as of Mar 31, 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
- 347
- +1 vs. Q4 2025
- Shares held
- 29.2M
- +6.08M (+26.2%) vs. Q4 2025
- Total value
- $2.57B
- +$693.6M (+37.0%) vs. Q4 2025
- New holders
- 31
- 137 more added
- Sold out
- 30
- 96 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 363 | $2.65B |
| Q1 2026 | 347 | $2.57B |
| Q4 2025 | 354 | $2.29B |
| Q3 2025 | 345 | $2.31B |
| Q2 2025 | 345 | $2.12B |
| Q1 2025 | 334 | $2.21B |
| Q4 2024 | 324 | $2.03B |
| Q3 2024 | 328 | $2.05B |
| Q2 2024 | 315 | $2.16B |
| Q1 2024 | 304 | $2.12B |
| Q4 2023 | 298 | $2.16B |
| Q3 2023 | 277 | $1.89B |
| Q2 2023 | 261 | $1.99B |
| Q1 2023 | 256 | $1.83B |
| Q4 2022 | 249 | $1.19B |
| Q3 2022 | 266 | $1.26B |
| Q2 2022 | 249 | $1.33B |
| Q1 2022 | 235 | $1.22B |
| Q4 2021 | 224 | $1.38B |
| Q3 2021 | 199 | $1.09B |
| Q2 2021 | 169 | $935.3M |
| Q1 2021 | 174 | $887.4M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Otter Tail Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alerus Financial NA | 9,028 | $792.4K | 0.04% | 00.0% | Unchanged |
| Voleon Capital Management LP | 9,034 | $792.9K | 0.02% | −6,310−41.1% | Reduced |
| Voya Investment Management LLC | 9,123 | $800.7K | 0.00% | −197−2.1% | Reduced |
| State of Tennessee, Treasury Department | 9,490 | $832.9K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 9,592 | $841.9K | 0.01% | 00.0% | Unchanged |
| Vista Investment Partners LLC | 9,787 | $859.0K | 0.23% | 00.0% | Unchanged |
| Intech Investment Management LLC | 9,875 | $866.7K | 0.01% | −8,189−45.3% | Reduced |
| HighTower Advisors, LLC | 10,104 | $886.8K | 0.00% | +263+2.7% | Added |
| Vanguard Investments Australia, Ltd. | 10,139 | $889.9K | 0.00% | +10,139 | New |
| Great Valley Advisor Group, Inc. | 10,201 | $895.8K | 0.02% | 00.0% | Unchanged |
| Arizona State Retirement System | 10,359 | $909.2K | 0.01% | −171−1.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 10,363 | $909.6K | 0.00% | −12−0.1% | Reduced |
| Atom Investors LP | 10,412 | $913.9K | 0.07% | 00.0% | Unchanged |
| Eagle Global Advisors LLC | 10,480 | $919.8K | 0.03% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 10,544 | $925.0K | 0.01% | 00.0% | Unchanged |
| Colony Group, LLC | 10,602 | $930.6K | 0.00% | +416+4.1% | Added |
| James Investment Research Inc | 10,631 | $933.1K | 0.10% | +13+0.1% | Added |
| Police & Firemen's Retirement System of New Jersey | 10,636 | $933.5K | 0.01% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 10,950 | $961.1K | 0.09% | −14,140−56.4% | Reduced |
| SEI Investments Co | 11,047 | $969.6K | 0.00% | +5,123+86.5% | Added |
| Yousif Capital Management, LLC | 11,135 | $977.3K | 0.01% | −123−1.1% | Reduced |
| Capstone Investment Advisors, LLC | 11,141 | $977.8K | 0.01% | −11,808−51.5% | Reduced |
| O'Shaughnessy Asset Management, LLC | 11,596 | $1.02M | 0.01% | +1,161+11.1% | Added |
| Brevan Howard Capital Management LP | 11,693 | $1.03M | 0.01% | +11,693 | New |
| Amalgamated Bank | 11,956 | $1.05M | 0.01% | −114−0.9% | Reduced |
| Engineers Gate Manager LP | 11,967 | $1.05M | 0.01% | +5,251+78.2% | Added |
| Natixis Advisors, L.P. | 12,158 | $1.07M | 0.00% | +646+5.6% | Added |
| New York State Teachers Retirement System | 12,505 | $1.10M | 0.00% | −1,481−10.6% | Reduced |
| Exchange Traded Concepts, LLC | 12,673 | $1.11M | 0.01% | −2,106−14.2% | Reduced |
| Capital Fund Management S.A. | 14,022 | $1.23M | 0.01% | −1,351−8.8% | Reduced |
| North Star Investment Management Corp. | 14,236 | $1.25M | 0.08% | 00.0% | Unchanged |
| Winton Group Ltd | 14,621 | $1.28M | 0.05% | +67+0.5% | Added |
| Quantinno Capital Management LP | 14,748 | $1.29M | 0.00% | +4,278+40.9% | Added |
| State of Wisconsin Investment Board | 14,751 | $1.29M | 0.00% | −7,650−34.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 15,010 | $1.32M | 0.00% | +2,829+23.2% | Added |
| Bridgewater Associates, LP | 15,201 | $1.33M | 0.01% | +15,201 | New |
| Janus Henderson Group PLC | 15,542 | $1.36M | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 15,833 | $1.40M | 0.00% | −1,731−9.9% | Reduced |
| GWM Advisors LLC | 16,313 | $1.43M | 0.01% | +82+0.5% | Added |
| Vanguard Global Advisers, LLC | 16,860 | $1.48M | 0.00% | +16,860 | New |
| Focus Financial Network, Inc. | 16,945 | $1.49M | 0.05% | +1,232+7.8% | Added |
| Elo Mutual Pension Insurance Co | 17,067 | $1.50M | 0.02% | −6,039−26.1% | Reduced |
| Fifth Third Bancorp | 17,815 | $1.56M | 0.00% | +16,879+1,803.3% | Added |
| Cetera Investment Advisers | 17,884 | $1.57M | 0.00% | +1,301+7.8% | Added |
| Manufacturers Life Insurance Company, The | 17,908 | $1.57M | 0.00% | −561−3.0% | Reduced |
| Quantbot Technologies LP | 18,079 | $1.59M | 0.06% | +10,081+126.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 18,095 | $1.59M | 0.00% | +198+1.1% | Added |
| Louisiana State Employees Retirement System | 18,600 | $1.63M | 0.03% | −600−3.1% | Reduced |
| Advisor Group Holdings, Inc. | 19,472 | $1.71M | 0.00% | −15,010−43.5% | Reduced |
| Susquehanna International Group, LLP | 20,107 | $1.76M | 0.00% | +7,932+65.1% | Added |
| PDT Partners, LLC | 20,600 | $1.81M | 0.11% | +20,600 | New |
| State of Alaska, Department of Revenue | 20,684 | $1.81M | 0.02% | −654−3.1% | Reduced |
| Alps Advisors Inc | 20,707 | $1.82M | 0.01% | −988−4.6% | Reduced |
| State Board of Administration of Florida Retirement System | 20,899 | $1.83M | 0.00% | +7,399+54.8% | Added |
| Illinois Municipal Retirement Fund | 20,998 | $1.84M | 0.02% | −1,207−5.4% | Reduced |
| MetLife Investment Management | 21,267 | $1.87M | 0.01% | +169+0.8% | Added |
| Advisors Asset Management, Inc. | 21,304 | $1.87M | 0.03% | +3,542+19.9% | Added |
| AQR Capital Management LLC | 22,037 | $1.93M | 0.00% | +6,107+38.3% | Added |
| Linden Thomas Advisory Services, LLC | 22,663 | $1.99M | 0.19% | +11,087+95.8% | Added |
| Bridgeway Capital Management, LLC | 24,800 | $2.18M | 0.04% | −10,800−30.3% | Reduced |
| OneAscent Financial Services LLC | 25,018 | $2.20M | 0.12% | +25,018 | New |
| John G Ullman & Associates Inc | 25,450 | $2.23M | 0.30% | +500+2.0% | Added |
| SG Americas Securities, LLC | 25,504 | $2.24M | 0.00% | +11,850+86.8% | Added |
| State of New Jersey Common Pension Fund D | 25,969 | $2.28M | 0.01% | −350−1.3% | Reduced |
| Mariner, LLC | 26,345 | $2.31M | 0.00% | +799+3.1% | Added |
| Commonwealth Equity Services, LLC | 26,865 | $2.36M | 0.00% | +3,180+13.4% | Added |
| Vanguard Asset Management, Ltd | 29,363 | $2.58M | 0.00% | +29,363 | New |
| Royce & Associates LP | 31,535 | $2.77M | 0.03% | −193−0.6% | Reduced |
| Financial Engines Advisors L.L.C. | 31,924 | $2.80M | 0.01% | +1,334+4.4% | Added |
| First Manhattan Co | 33,801 | $2.97M | 0.01% | −4,409−11.5% | Reduced |
| Great West Life Assurance Co | 34,295 | $3.01M | 0.01% | −2,019−5.6% | Reduced |
| Citigroup Inc | 34,495 | $3.03M | 0.00% | −3,968−10.3% | Reduced |
| Alliancebernstein L.P. | 41,723 | $3.37M | 0.00% | −4,164−9.1% | Reduced |
| Deutsche Bank AG | 38,809 | $3.41M | 0.00% | +3,792+10.8% | Added |
| Benjamin Edwards Inc | 39,229 | $3.44M | 0.03% | +935+2.4% | Added |
| Martingale Asset Management L P | 39,731 | $3.49M | 0.09% | +6,490+19.5% | Added |
| CBOE Vest Financial, LLC | 41,054 | $3.60M | 0.04% | −13,422−24.6% | Reduced |
| Thrivent Financial for Lutherans | 42,250 | $3.71M | 0.01% | +1,063+2.6% | Added |
| Raymond James Financial Inc | 42,745 | $3.75M | 0.00% | +95+0.2% | Added |
| Barclays PLC | 43,312 | $3.80M | 0.00% | −22,588−34.3% | Reduced |
| XTX Topco Ltd | 43,823 | $3.85M | 0.07% | +11,389+35.1% | Added |
| Palisades Investment Partners, LLC | 44,369 | $3.89M | 1.53% | +3,478+8.5% | Added |
| California State Teachers Retirement System | 44,504 | $3.91M | 0.00% | +8,750+24.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 45,393 | $3.98M | 0.01% | +13,482+42.2% | Added |
| Wells Fargo & Company | 48,477 | $4.25M | 0.00% | −29,251−37.6% | Reduced |
| Whittier Trust Co of Nevada Inc | 48,935 | $4.33M | 0.09% | +749+1.6% | Added |
| Citadel Advisors LLC | 51,202 | $4.49M | 0.00% | −64,007−55.6% | Reduced |
| Man Group plc | 55,887 | $4.91M | 0.01% | +8,567+18.1% | Added |
| LPL Financial LLC | 58,438 | $5.13M | 0.00% | −5,610−8.8% | Reduced |
| Squarepoint Ops LLC | 61,627 | $5.41M | 0.01% | −22,299−26.6% | Reduced |
| BNP Paribas Arbitrage, SA | 62,148 | $5.45M | 0.00% | −14,618−19.0% | Reduced |
| American Century Companies Inc | 63,482 | $5.57M | 0.00% | +23,565+59.0% | Added |
| New York State Common Retirement Fund | 69,282 | $6.08M | 0.01% | 00.0% | Unchanged |
| Prudential Financial Inc | 69,619 | $6.11M | 0.01% | −22,905−24.8% | Reduced |
| Swiss National Bank | 74,400 | $6.53M | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 74,889 | $6.57M | 0.01% | −4,746−6.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 75,655 | $6.64M | 0.01% | +19,420+34.5% | Added |
| Phocas Financial Corp. | 76,483 | $6.71M | 1.05% | −21,195−21.7% | Reduced |
| HRT Financial LP | 78,965 | $6.93M | 0.02% | −32,929−29.4% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 80,353 | $7.05M | 0.02% | −3,216−3.8% | Reduced |