CECO
CECO Environmental Corp. · Industrials · Industrial - Pollution & Treatment Controls
Momentum inputs (comparable managers):
holder breadth -22.2% ·
share flow -15.4% ·
net new positions -20.0%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 102 | +15 | 31.31M | $2.84B | +19 | −5 |
| Q1 2026 | 91 | +4 | 19.02M | $1.13B | +9 | −5 |
| Q4 2025 | 87 | +2 | 19.22M | $1.15B | +2 | — |
| Q3 2025 | 15 | 0 | 9.38M | $480.39M | +1 | −1 |
| Q2 2025 | 12 | -1 | 8.72M | $246.85M | — | −1 |
| Q1 2025 | 10 | +1 | 2.07M | $47.10M | +1 | — |
| Q4 2024 | 9 | +1 | 1.90M | $57.49M | +1 | — |
| Q3 2024 | 7 | -2 | 1.68M | $47.38M | — | −2 |
| Q2 2024 | 9 | — | 1.99M | $57.31M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 689.49K | +1.8% | $19.45M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 689.49K | +1.8% | $19.45M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Arrowstreet Capital ✦ | 444.35K | +0.5% | $12.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Wellington Management ✦ | 349.47K | -30.9% | $9.85M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | AQR Capital Management ✦ | 119.53K | -4.1% | $3.37M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | AQR Capital Management ✦ | 119.53K | -4.1% | $3.37M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | AQR Capital Management ✦ | 119.53K | -4.1% | $3.37M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | Two Sigma Investments ✦ | 58.47K | -62.8% | $1.65M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | T. Rowe Price ✦ | 9.59K | +3.9% | $271,000 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | D. E. Shaw & Co. ✦ | 9.24K | -17.1% | $260,512 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Millennium Management | $1.71M | was 0.0% |
| Citadel Advisors | $58 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 259 holders, 31.26M shares, $1.65B 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.