OTTR
Otter Tail Corporation · Industrials · Conglomerates
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +1.7% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 109 | 0 | 22.27M | $2.00B | +4 | −4 |
| Q1 2026 | 112 | +1 | 22.38M | $1.96B | +4 | −3 |
| Q4 2025 | 110 | +1 | 24.71M | $2.00B | +2 | −1 |
| Q3 2025 | 19 | 0 | 17.52M | $1.44B | +1 | −1 |
| Q2 2025 | 16 | 0 | 15.68M | $1.21B | +2 | −2 |
| Q1 2025 | 13 | +1 | 3.83M | $308.22M | +2 | −1 |
| Q4 2024 | 12 | -1 | 3.83M | $282.98M | — | −1 |
| Q3 2024 | 12 | +1 | 2.14M | $167.05M | +2 | −1 |
| Q2 2024 | 11 | — | 1.57M | $137.40M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 6.43M | — | $495.58M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 6.43M | — | $495.58M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 6.43M | — | $495.58M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 6.43M | — | $495.58M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 6.43M | — | $495.58M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 6.43M | — | $495.58M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 6.43M | — | $495.58M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 6.43M | — | $495.58M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 6.43M | — | $495.58M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 6.43M | — | $495.58M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 6.43M | — | $495.58M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 6.43M | — | $495.58M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | The Vanguard Group ✦ (passive) | 5.14M | — | $396.46M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | The Vanguard Group ✦ (passive) | 5.14M | — | $396.46M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 5.14M | — | $396.46M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 5.14M | — | $396.46M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 5.14M | — | $396.46M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | State Street Global Advisors ✦ (passive) | 1.57M | -2.0% | $121.18M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | Geode Capital Management ✦ (passive) | 1.01M | -1.4% | $77.92M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 20 | Geode Capital Management ✦ (passive) | 1.01M | -1.4% | $77.92M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 21 | Millennium Management ✦ | 476.58K | +53.6% | $36.74M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 22 | GAMCO Investors ✦ | 273.39K | +0.1% | $21.08M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 23 | Citadel Advisors ✦ | 236.06K | +32.5% | $18.20M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 24 | Citadel Advisors ✦ | 236.06K | +32.5% | $18.20M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 25 | Adage Capital Partners ✦ | 185.00K | -15.9% | $14.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 26 | D. E. Shaw & Co. ✦ | 164.73K | +63.3% | $12.70M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 27 | Marshall Wace ✦ | 59.02K | +55.9% | $4.55M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 28 | Marshall Wace ✦ | 59.02K | +55.9% | $4.55M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 29 | T. Rowe Price ✦ | 40.80K | +3.9% | $3.15M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 30 | T. Rowe Price ✦ | 40.80K | +3.9% | $3.15M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 31 | Renaissance Technologies ✦ | 39.11K | New | $3.01M | 0.0% | New | 1 | SEC ↗ |
| 32 | Two Sigma Investments ✦ | 24.35K | +74.1% | $1.88M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 13.08K | -42.4% | $1.01M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 13.08K | -42.4% | $1.01M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 35 | AQR Capital Management ✦ | 13.08K | -42.4% | $1.01M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 36 | Fidelity (FMR) ✦ | 6.42K | — | $495,250 | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Fidelity (FMR) ✦ | 6.42K | — | $495,250 | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Point72 Asset Management ✦ | 4.36K | New | $335,957 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $3.01M | 0.0% |
| Point72 Asset Management | $335,957 | 0.0% |
Exited
| Gotham Asset Management | $564,519 | was 0.0% |
| Bridgewater Associates | $203,015 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 342 holders, 28.89M shares, $2.41B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 475 sh · $44,949
Officer · 250 sh · $23,210
Officer · 3.50K sh · $325,885
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology