Who owns CECO Environmental Corp.?
Institutional ownership of CECO from SEC Form 13F filings across 225 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.
225
13F holders
$2.88B
value, 2026 filers
58.6%
of shares outstanding (34.2M sh)
68
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 CECO's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 4.5M | $410.5M | 0.0% | 7.7% | +94.3% |
| 2 | BlackRock, Inc. | 4.3M | $392.4M | 0.0% | 7.4% | +89.2% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2.3M | $212.3M | 0.0% | 4% | -12.2% |
| 4 | AMERICAN CENTURY COMPANIES INC | 2.1M | $189.5M | 0.1% | 3.6% | +10.3% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 1.5M | $132.5M | 0.0% | 2.5% | +70.6% |
| 6 | Capital World Investors | 1.2M | $105.0M | 0.0% | 2% | +9.7% |
| 7 | TWO SIGMA INVESTMENTS, LP | 1.0M | $92.0M | 0.1% | 1.7% | +5.6% |
| 8 | Jupiter Topco LLCNEW | 949,904 | $86.2M | 0.0% | 1.6% | new |
| 9 | PRICE T ROWE ASSOCIATES INC /MD/ | 835,692 | $75,831 | 0.0% | 1.4% | +3810.6% |
| 10 | KING LUTHER CAPITAL MANAGEMENT CORP | 716,925 | $65.1M | 0.3% | 1.2% | -4.4% |
| 11 | Invesco Ltd. | 667,929 | $60.6M | 0.0% | 1.1% | +1707.4% |
| 12 | LORD, ABBETT & CO. LLC | 642,111 | $58,265 | 0.2% | 1.1% | +54.9% |
| 13 | Thrivent Financial for Lutherans | 607,981 | $55,167 | 0.1% | 1% | -5.0% |
| 14 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 568,484 | $51.6M | 0.0% | 1% | +393.3% |
| 15 | NORTHERN TRUST CORP | 492,491 | $44.7M | 0.0% | 0.8% | +95.5% |
| 16 | UBS Group AG | 475,224 | $43.1M | 0.0% | 0.8% | +136.3% |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | 454,727 | $41.3M | 0.0% | 0.8% | +91.2% |
| 18 | Legal & General Group Plc | 445,900 | $40.5M | 0.0% | 0.8% | +11.3% |
| 19 | Sixth Street Partners Management Company, L.P.NEW | 442,654 | $40.2M | 6.9% | 0.8% | new |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 442,654 | $40.2M | 0.0% | 0.8% | +78.9% |
| 21 | Nuveen, LLC | 414,241 | $37.6M | 0.0% | 0.7% | +239.9% |
| 22 | VOYA INVESTMENT MANAGEMENT LLC | 396,295 | $36.0M | 0.0% | 0.7% | +7634.1% |
| 23 | VANGUARD FIDUCIARY TRUST CO | 379,724 | $34.5M | 0.0% | 0.7% | +81.1% |
| 24 | DEUTSCHE BANK AG\ | 335,846 | $30.5M | 0.0% | 0.6% | +47.4% |
| 25 | VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.NEW | 327,348 | $29.7M | 0.2% | 0.6% | new |
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.