Security record · archived quarter
CECO
CECO Environmental Corp. · Industrials · Industrial - Pollution & Treatment Controls
91Tracked holders
+4Δ holders
19.02MShares held
$1.13BReported value
+9New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +4.6% ·
share flow +1.3% ·
net new positions +4.4%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| 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 | — | — |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 2.33M | +5.3% | $138.76M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 2.33M | +5.3% | $138.76M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 2.33M | +5.3% | $138.76M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 2.33M | +5.3% | $138.76M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 18 | American Century Companies Inc | 1.89M | -7.1% | $112.86M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 19 | Vanguard Capital Management Llc | 1.33M | — | $79.39M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Capital World Investors ✦ | 1.06M | +216.8% | $62.86M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Two Sigma Investments ✦ | 959.70K | +82.6% | $57.18M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 22 | Janus Henderson Group Plc | 907.78K | -1.5% | $54.09M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 23 | Janus Henderson Group Plc | 907.78K | -1.5% | $54.09M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 24 | Janus Henderson Group Plc | 907.78K | -1.5% | $54.09M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 25 | Dimensional Fund Advisors Lp | 903.29K | +0.9% | $53.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Dimensional Fund Advisors Lp | 903.29K | +0.9% | $53.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Dimensional Fund Advisors Lp | 903.29K | +0.9% | $53.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | Dimensional Fund Advisors Lp | 903.29K | +0.9% | $53.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Dimensional Fund Advisors Lp | 903.29K | +0.9% | $53.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 856.13K | +17.3% | $51.02M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 31 | Geode Capital Management ✦ (passive) | 856.13K | +17.3% | $51.02M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 32 | State Street Global Advisors ✦ (passive) | 657.35K | +1.0% | $39.16M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 33 | Legal & General Group Plc | 400.47K | -4.2% | $23.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 34 | Legal & General Group Plc | 400.47K | -4.2% | $23.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 35 | Legal & General Group Plc | 400.47K | -4.2% | $23.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 350.74K | +19.2% | $20.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 350.74K | +19.2% | $20.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 350.74K | +19.2% | $20.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 350.74K | +19.2% | $20.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 350.74K | +19.2% | $20.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 350.74K | +19.2% | $20.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 350.74K | +19.2% | $20.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 43 | Rockefeller Capital Management L.P. | 254.32K | New | $15.15M | 0.0% | New | 1 | SEC ↗ |
| 44 | Rockefeller Capital Management L.P. | 254.32K | New | $15.15M | 0.0% | New | 1 | SEC ↗ |
| 45 | Rockefeller Capital Management L.P. | 254.32K | New | $15.15M | 0.0% | New | 1 | SEC ↗ |
| 46 | Rockefeller Capital Management L.P. | 254.32K | New | $15.15M | 0.0% | New | 1 | SEC ↗ |
| 47 | Marshall Wace ✦ | 251.90K | +3129.5% | $15.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 48 | Marshall Wace ✦ | 251.90K | +3129.5% | $15.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 49 | Marshall Wace ✦ | 251.90K | +3129.5% | $15.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Northern Trust Corp | 251.87K | +2.7% | $15.01M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Northern Trust Corp | 251.87K | +2.7% | $15.01M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Northern Trust Corp | 251.87K | +2.7% | $15.01M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Northern Trust Corp | 251.87K | +2.7% | $15.01M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Northern Trust Corp | 251.87K | +2.7% | $15.01M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 55 | Charles Schwab Investment… | 247.50K | -2.5% | $14.75M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 56 | First Eagle Investment Management… | 242.51K | -33.9% | $14.45M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | First Eagle Investment Management… | 242.51K | -33.9% | $14.45M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | Loomis Sayles & Co L P | 229.01K | -30.1% | $13.64M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | Loomis Sayles & Co L P | 229.01K | -30.1% | $13.64M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | Deutsche Bank Ag\ | 227.79K | +1.3% | $13.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Deutsche Bank Ag\ | 227.79K | +1.3% | $13.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Citadel Advisors ✦ | 217.39K | +234.1% | $12.95M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 63 | Citadel Advisors ✦ | 217.39K | +234.1% | $12.95M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 64 | UBS Group AG | 201.11K | -24.8% | $11.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | UBS Group AG | 201.11K | -24.8% | $11.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | UBS Group AG | 201.11K | -24.8% | $11.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | UBS Group AG | 201.11K | -24.8% | $11.98M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Bnp Paribas Financial Markets | 191.49K | +8.3% | $11.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Amundi | 168.20K | -5.0% | $10.02M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Squarepoint Ops LLC | 165.27K | +124.7% | $9.85M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Point72 Asset Management ✦ | 159.08K | New | $9.48M | 0.0% | New | 1 | SEC ↗ |
| 72 | First Trust Advisors Lp | 156.56K | +2.3% | $9.33M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | Franklin Resources Inc | 147.47K | -41.8% | $8.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Franklin Resources Inc | 147.47K | -41.8% | $8.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | Franklin Resources Inc | 147.47K | -41.8% | $8.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Allspring Global Investments… | 146.70K | -24.5% | $8.74M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | Goldman Sachs Group ✦ | 126.51K | +59.0% | $7.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Goldman Sachs Group ✦ | 126.51K | +59.0% | $7.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Nuveen, LLC | 121.87K | -52.9% | $7.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 80 | Nuveen, LLC | 121.87K | -52.9% | $7.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 81 | Nuveen, LLC | 121.87K | -52.9% | $7.26M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | Arrowstreet Capital ✦ | 115.24K | +310.6% | $6.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 83 | Russell Investments Group, Ltd. | 114.48K | +4.3% | $6.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Russell Investments Group, Ltd. | 114.48K | +4.3% | $6.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Russell Investments Group, Ltd. | 114.48K | +4.3% | $6.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 86 | Russell Investments Group, Ltd. | 114.48K | +4.3% | $6.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 87 | Russell Investments Group, Ltd. | 114.48K | +4.3% | $6.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 88 | Russell Investments Group, Ltd. | 114.48K | +4.3% | $6.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Russell Investments Group, Ltd. | 114.48K | +4.3% | $6.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | Russell Investments Group, Ltd. | 114.48K | +4.3% | $6.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 91 | Russell Investments Group, Ltd. | 114.48K | +4.3% | $6.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Sei Investments Co | 111.31K | +3.1% | $6.63M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 93 | AQR Capital Management ✦ | 93.16K | +238.9% | $5.55M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 94 | AQR Capital Management ✦ | 93.16K | +238.9% | $5.55M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 95 | AQR Capital Management ✦ | 93.16K | +238.9% | $5.55M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 96 | AQR Capital Management ✦ | 93.16K | +238.9% | $5.55M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 97 | AQR Capital Management ✦ | 93.16K | +238.9% | $5.55M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 98 | AQR Capital Management ✦ | 93.16K | +238.9% | $5.55M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 99 | AQR Capital Management ✦ | 93.16K | +238.9% | $5.55M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 100 | Bank of New York Mellon Corp | 86.41K | -2.0% | $5.15M | 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
| Rockefeller Capital… | $15.15M | 0.0% |
| Rockefeller Capital… | $15.15M | 0.0% |
| Rockefeller Capital… | $15.15M | 0.0% |
| Rockefeller Capital… | $15.15M | 0.0% |
| Point72 Asset Management | $9.48M | 0.0% |
Exited
| Capital International… | $43.21M | was 0.0% |
| Wellington Management | $36.35M | was 0.0% |
| Jane Street Group, Llc | $5.32M | was 0.0% |
| Victory Capital Management Inc | $208,757 | was 0.0% |
| Simplex Trading, Llc | $39,321 | 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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 14
SC 13G/A — T. Rowe Price Investment Management…
Aug 14
SC 13G/A — AMERICAN CENTURY INVESTMENT MANAGEMENT…
Aug 06
SC 13G/A — FMR LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
Get this via the API