Who owns Otter Tail Corp?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of OTTR from SEC Form 13F filings across 362 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 362 institutions disclosed 29.4M shares of Otter Tail Corp worth $2.65B — about 70.1% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
362
13F holders
$2.65B
value, 2026 filers
70.1%
of shares outstanding (29.4M sh)
52
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of OTTR's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 6.6M | $590.1M | 0.0% | 15.6% | +2.1% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.0M | $269.6M | 0.0% | 7.1% | +1.7% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.9M | $170.2M | 0.0% | 4.5% | +1.4% |
| 4 | STATE STREET CORP | 1.6M | $148.1M | 0.0% | 3.9% | +4.9% |
| 5 | LSV ASSET MANAGEMENT | 1.2M | $106.8M | 0.2% | 2.8% | +13.8% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $100.2M | 0.0% | 2.7% | +5.5% |
| 7 | MORGAN STANLEY | 885,376 | $79.7M | 0.0% | 2.1% | +35.3% |
| 8 | DIMENSIONAL FUND ADVISORS LP | 828,016 | $74.5M | 0.0% | 2% | +1.6% |
| 9 | TWO SIGMA INVESTMENTS, LP | 725,769 | $65.3M | 0.0% | 1.7% | +9.5% |
| 10 | FIRST TRUST ADVISORS LP | 637,043 | $57.3M | 0.0% | 1.5% | +5.0% |
| 11 | Caisse de depot et placement du Quebec | 539,873 | $48.6M | 0.1% | 1.3% | -5.3% |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 519,756 | $46.8M | 0.0% | 1.2% | -0.8% |
| 13 | GABELLI FUNDS LLC | 462,200 | $41.6M | 0.3% | 1.1% | -1.1% |
| 14 | NORTHERN TRUST CORP | 453,446 | $40.8M | 0.0% | 1.1% | +5.0% |
| 15 | D. E. Shaw & Co., Inc. | 447,021 | $40.2M | 0.0% | 1.1% | +11.9% |
| 16 | Bank of New York Mellon Corp | 358,275 | $32.2M | 0.0% | 0.9% | +2.2% |
| 17 | JPMORGAN CHASE & CO | 315,978 | $28.3M | 0.0% | 0.8% | -7.0% |
| 18 | BANK OF AMERICA CORP /DE/ | 312,589 | $28.1M | 0.0% | 0.7% | -7.1% |
| 19 | VANGUARD FIDUCIARY TRUST CO | 278,778 | $25.1M | 0.0% | 0.7% | +2.3% |
| 20 | VICTORY CAPITAL MANAGEMENT INC | 276,060 | $24.8M | 0.0% | 0.7% | +9.4% |
| 21 | Nuveen, LLC | 268,456 | $24.2M | 0.0% | 0.6% | +41.9% |
| 22 | GAMCO INVESTORS, INC. ET AL | 264,798 | $23.8M | 0.2% | 0.6% | 0.0% |
| 23 | PRICE T ROWE ASSOCIATES INC /MD/ | 260,050 | $23.4M | 0.0% | 0.6% | +96.3% |
| 24 | GOLDMAN SACHS GROUP INC | 249,295 | $22.4M | 0.0% | 0.6% | -48.6% |
| 25 | PRINCIPAL FINANCIAL GROUP INC | 233,558 | $21.0M | 0.0% | 0.6% | +0.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.