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 |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 171.59K | $9.94M | n/a | −1 |
| Q2 2026 | 100 | +15 | 31.08M | $2.82B | +19 | −7 |
| Q1 2026 | 91 | +4 | 19.02M | $1.13B | +9 | −5 |
| Q4 2025 | 87 | +2 | 19.22M | $1.15B | +2 | n/a |
| Q3 2025 | 15 | 0 | 9.38M | $480.39M | +1 | −1 |
| Q2 2025 | 12 | -1 | 8.72M | $246.85M | n/a | −1 |
| Q1 2025 | 10 | +1 | 2.07M | $47.10M | +1 | n/a |
| Q4 2024 | 9 | +1 | 1.90M | $57.49M | +1 | n/a |
| Q3 2024 | 7 | -2 | 1.68M | $47.38M | n/a | −2 |
| Q2 2024 | 9 | n/a | 1.99M | $57.31M | n/a | n/a |
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 ↗ ×4 |
| 2 | BlackRock ✦ (passive) | 2.29M | 0.0% | $136.16M | 0.0% | ▼ Trim | 4 | SEC ↗ ×13 |
| 3 | American Century Companies Inc | 1.89M | -7.1% | $112.86M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 4 | Vanguard Capital Management Llc | 1.33M | n/a | $79.39M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Capital World Investors ✦ | 1.06M | +216.8% | $62.86M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Two Sigma Investments ✦ | 959.70K | +82.6% | $57.18M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 7 | Janus Henderson Group Plc | 907.78K | -1.5% | $54.09M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 8 | Dimensional Fund Advisors Lp | 903.29K | +0.9% | $53.81M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 9 | Geode Capital Management ✦ (passive) | 856.13K | +17.3% | $51.02M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 10 | State Street Global Advisors ✦ (passive) | 657.35K | +1.0% | $39.16M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 11 | Legal & General Group Plc | 400.47K | -4.2% | $23.86M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 12 | Morgan Stanley ✦ | 350.74K | +19.2% | $20.90M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 13 | Rockefeller Capital Management L.P. | 254.32K | New | $15.15M | 0.0% | New | 1 | SEC ↗ ×4 |
| 14 | Marshall Wace ✦ | 251.90K | +3129.5% | $15.01M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 15 | Northern Trust Corp | 251.87K | +2.7% | $15.01M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 16 | Charles Schwab Investment… | 247.50K | -2.5% | $14.75M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | First Eagle Investment Management… | 242.51K | -33.9% | $14.45M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 18 | Loomis Sayles & Co L P | 229.01K | -30.1% | $13.64M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 19 | Deutsche Bank Ag\ | 227.79K | +1.3% | $13.57M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 20 | Citadel Advisors ✦ | 217.39K | +234.1% | $12.95M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 21 | UBS Group AG | 201.11K | -24.8% | $11.98M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 22 | Bnp Paribas Financial Markets | 191.49K | +8.3% | $11.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | Amundi | 168.20K | -5.0% | $10.02M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 24 | Squarepoint Ops LLC | 165.27K | +124.7% | $9.85M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | Point72 Asset Management ✦ | 159.08K | New | $9.48M | 0.0% | New | 1 | SEC ↗ |
| 26 | First Trust Advisors Lp | 156.56K | +2.3% | $9.33M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Franklin Resources Inc | 147.47K | -41.8% | $8.79M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 28 | Allspring Global Investments… | 146.70K | -24.5% | $8.74M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 29 | Goldman Sachs Group ✦ | 126.51K | +59.0% | $7.54M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 30 | Nuveen, LLC | 121.87K | -52.9% | $7.26M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 31 | Arrowstreet Capital ✦ | 115.24K | +310.6% | $6.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Russell Investments Group, Ltd. | 114.48K | +4.3% | $6.82M | 0.0% | ▲ Add | 2 | SEC ↗ ×9 |
| 33 | Sei Investments Co | 111.31K | +3.1% | $6.63M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 93.16K | +238.9% | $5.55M | 0.0% | ▲ Add | 8 | SEC ↗ ×7 |
| 35 | Bank of New York Mellon Corp | 86.41K | -2.0% | $5.15M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 36 | Bank Of America Corp /De/ | 76.34K | -39.4% | $4.55M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 37 | UBS AM, a distinct business unit of… | 60.31K | -7.7% | $3.59M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 38 | Swiss National Bank | 59.90K | +1.0% | $3.57M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | Td Asset Management Inc | 52.72K | +120.0% | $3.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | Nomura Asset Management… | 50.52K | -1.7% | $3.01M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 41 | Credit Agricole S A | 47.94K | 0.0% | $2.86M | 0.0% | Held | 2 | SEC ↗ |
| 42 | Tudor Investment Corp Et Al | 47.25K | -54.8% | $2.82M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 43 | Susquehanna International Group, Llp | 41.70K | -29.6% | $2.48M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 44 | Invesco Ltd. | 36.96K | -72.7% | $2.20M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 45 | Rhumbline Advisers | 36.03K | 0.0% | $2.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | California State Teachers… | 34.76K | +26.8% | $2.07M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Creative Planning | 34.51K | +454.6% | $2.06M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Principal Financial Group Inc | 34.48K | +22.2% | $2.05M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 49 | HighTower Advisors, LLC | 34.42K | +67.2% | $2.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Envestnet Asset Management Inc | 33.43K | +590.2% | $1.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Ameriprise Financial Inc | 33.31K | -4.3% | $1.98M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 52 | Alliancebernstein L.P. | 30.92K | +1.3% | $1.85M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Prudential Financial Inc | 25.68K | New | $1.53M | 0.0% | New | 1 | SEC ↗ ×2 |
| 54 | Wells Fargo & Company/Mn | 23.46K | -76.7% | $1.40M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 55 | JPMorgan Chase ✦ | 24.26K | +6.3% | $1.38M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 56 | T. Rowe Price ✦ | 21.37K | +22.9% | $1.27M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 57 | Us Bancorp \De\ | 17.32K | -3.8% | $1.03M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 58 | Zurcher Kantonalbank (Zurich… | 16.72K | +10.0% | $996,118 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 13.83K | +1.1% | $824,051 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Manufacturers Life Insurance… | 13.56K | -4.6% | $807,964 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | LPL Financial LLC | 11.85K | +43.8% | $706,202 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Millennium Management ✦ | 11.77K | -69.5% | $701,137 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 63 | New York State Common Retirement… | 10.35K | -2.8% | $616,653 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 64 | Bridgewater Associates ✦ | 9.29K | New | $553,379 | 0.0% | New | 1 | SEC ↗ |
| 65 | State Board Of Administration Of… | 8.51K | 0.0% | $507,026 | 0.0% | Held | 2 | SEC ↗ |
| 66 | Osaic Holdings, Inc. | 7.57K | +254.2% | $450,941 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 67 | State Of Wisconsin Investment Board | 7.37K | New | $439,343 | 0.0% | New | 1 | SEC ↗ |
| 68 | Raymond James Financial Inc | 7.29K | -18.1% | $434,314 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 69 | Barclays Plc | 5.78K | -87.4% | $344,253 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 70 | Man Group plc | 5.63K | New | $335,316 | 0.0% | New | 1 | SEC ↗ |
| 71 | Commonwealth Equity Services, Llc | 5.47K | -10.5% | $326,080 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Voya Investment Management Llc | 5.12K | -4.3% | $305,288 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 73 | Boston Partners | 4.98K | -4.3% | $296,650 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Pictet Asset Management Holding SA | 4.48K | +23.0% | $267,097 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | ProShare Advisors LLC | 4.27K | -20.7% | $254,645 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Tidal Investments LLC | 3.92K | -2.4% | $233,792 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | Cetera Investment Advisers | 3.80K | New | $226,404 | 0.0% | New | 1 | SEC ↗ |
| 78 | Citigroup Inc | 3.46K | +94.7% | $206,027 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 79 | Jones Financial Companies Lllp | 3.05K | +8.9% | $185,958 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Royal Bank Of Canada | 2.84K | -22.9% | $169,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 81 | Cwm, Llc | 1.59K | +689.5% | $94,553 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | Fifth Third Bancorp | 1.15K | New | $68,757 | 0.0% | New | 1 | SEC ↗ |
| 83 | BNP Paribas Asset Management… | 595 | +28.8% | $35,450 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Wealth Enhancement Advisory… | 32.80K | +13233.7% | $33,328 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Group One Trading Llc | 361 | -89.1% | $21,508 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | Federated Hermes, Inc. | 257 | -0.8% | $15,312 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | Pnc Financial Services Group, Inc. | 211 | -5.4% | $12,571 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 88 | Optiver Holding B.V. | 128 | +20.8% | $7,626 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Northwestern Mutual Wealth… | 122 | New | $7,269 | 0.0% | New | 1 | SEC ↗ |
| 90 | National Bank Of Canada /Fi/ | 63 | -93.1% | $3,756 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 91 | Nomura Asset Management Co Ltd | 0 | n/a | $0 | 0.0% | Held | 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% |
| Point72 Asset Management | $9.48M | 0.0% |
| Prudential Financial Inc | $1.53M | 0.0% |
| Bridgewater Associates | $553,379 | 0.0% |
| State Of Wisconsin Investment… | $439,343 | 0.0% |
| Man Group plc | $335,316 | 0.0% |
| Cetera Investment Advisers | $226,404 | 0.0% |
| Fifth Third Bancorp | $68,757 | 0.0% |
| Northwestern Mutual Wealth… | $7,269 | 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 ·
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