CECO · Insider trading · 13F holders · Congress trades
Ceco Environmental Corp (CECO)
Who is buying and selling CECO: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 37
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 2
CECO at a glance
- No open-market insider purchases or sales of CECO were filed in the last 90 days.
- 37 13F filers hold CECO among their 50 largest positions, worth $834.3M combined, including Polen Capital Management. The biggest bets by portfolio weight are IES Holdings, Inc. (18.2%), IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVATE Ltd (3.8%) and Panoramic Capital, LLC (3.4%). In their latest 13Fs, 2 managers opened a new position and 9 added to one.
- Members of Congress have disclosed 2 CECO trades since 2026, 2 purchases and 0 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), buying $1K–15K on Aug 20, 2026.
- CECO last closed at $52.42 on Oct 30, 2026.
CECO insider trading
No open-market insider purchases or sales of CECO were filed in the last 90 days.
Who owns CECO? Hedge funds and superinvestors
37 13F filers hold CECO among their 50 largest positions, worth $834.3M combined, including Polen Capital Management. The biggest bets by portfolio weight are IES Holdings, Inc. (18.2%), IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVATE Ltd (3.8%) and Panoramic Capital, LLC (3.4%). In their latest 13Fs, 2 managers opened a new position and 9 added to one.
Superinvestors holding CECO: Polen Capital Management 0.1%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Driehaus Capital Management LLCHedge fund | 0.8% | $141.6M | 1,560,486 | — | Q2 2026 |
| Divisadero Street Capital Management, LPHedge fund | 2.8% | $120.7M | 1,329,817 | +608.9% shares | Q2 2026 |
| Needham Investment Management LLCMutual fund manager | 2.6% | $86.9M | 957,500 | +147.1% shares | Q2 2026 |
| Royce & Associates LPMutual fund manager | 0.6% | $76.4M | 842,317 | +1.8% shares | Q2 2026 |
| Emerald Advisers, LLCInstitutional asset manager | 1.6% | $66.9M | 736,784 | +40.9% shares | Q2 2026 |
| IES Holdings, Inc.Corporation | 18.2% | $56.6M | 623,527 | +9.7% shares | Q2 2026 |
| Emerald Mutual Fund Advisers TrustMutual fund manager | 1.5% | $42.8M | 471,220 | +50.1% shares | Q2 2026 |
| Harvey Partners, LLCInstitutional asset manager | 2.0% | $28.2M | 311,132 | New | Q2 2026 |
| Kennedy Capital Management LLCInstitutional asset manager | 0.5% | $25.8M | 284,314 | — | Q2 2026 |
| New South Capital Management IncHedge fund | 1.0% | $23.3M | 257,327 | — | Q2 2026 |
| Penn Capital Management Company, LLCInstitutional asset manager | 1.4% | $21.6M | 237,119 | — | Q2 2026 |
| Pier Capital, LLCAsset manager | 1.8% | $13.8M | 152,071 | +1.2% shares | Q2 2026 |
| Polen Capital ManagementSuperinvestor · Institutional asset manager | 0.1% | $12.5M | 137,977 | -3.7% shares | Q2 2026 |
| Informed Momentum Co LLCInstitutional asset manager | 1.0% | $11.0M | 120,677 | — | Q2 2026 |
| Essex Investment Management Co LLCAsset manager | 1.5% | $10.1M | 145,717 | -3.1% shares | Q3 2026 |
| Martin & Co Inc /tn/Investment manager | 1.6% | $10.1M | 111,401 | -55.3% shares | Q2 2026 |
| Intrinsic Edge Capital Management LLCHedge fund | 1.2% | $9.3M | 102,959 | — | Q2 2026 |
| Panoramic Capital, LLCHedge fund | 3.4% | $7.9M | 87,460 | +31.4% shares | Q2 2026 |
| De Lisle Partners LLPInvestment manager | 0.8% | $7.4M | 81,441 | — | Q2 2026 |
| Legato Capital Management LLCInstitutional asset manager | 0.6% | $6.8M | 74,674 | — | Q2 2026 |
| Peregrine Asset Advisers, Inc.Wealth manager | 1.4% | $6.6M | 72,756 | -1.5% shares | Q2 2026 |
| Marathon Capital ManagementWealth manager | 1.3% | $6.4M | 91,815 | -3.8% shares | Q3 2026 |
| Meros Investment Management, LPInstitutional asset manager | 2.0% | $6.2M | 68,066 | — | Q2 2026 |
| Lisanti Capital Growth, LLCInstitutional asset manager | 1.3% | $6.1M | 67,275 | — | Q2 2026 |
| White Pine Capital LLCWealth manager | 1.3% | $5.6M | 61,372 | +8.2% shares | Q2 2026 |
| Formula Growth LtdHedge fund | 1.8% | $5.0M | 55,159 | -11.5% shares | Q2 2026 |
| Riverpoint Wealth Management Holdings, LLCWealth manager | 0.6% | $3.3M | 36,005 | — | Q2 2026 |
| Resolute Capital Asset Partners LLCHedge fund | 1.4% | $3.2M | 35,000 | New | Q2 2026 |
| Expect Equity LLCHedge fund | 1.8% | $2.9M | 31,524 | -18.1% shares | Q2 2026 |
| Empirical Asset Management, LLCWealth manager | 0.6% | $2.7M | 30,025 | +0.0% shares | Q2 2026 |
The 30 largest of 37 positions, by value. Each manager counts with its latest 13F (Q3 2026: 4, Q2 2026: 33). Screen CECO in the grand portfolio →
CECO stock trades by members of Congress
Members of Congress have disclosed 2 CECO trades since 2026, 2 purchases and 0 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), buying $1K–15K on Aug 20, 2026.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Sep 10, 2026 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Aug 20, 2026 | -28.2% |
| Jul 2, 2026 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Jun 30, 2026 | -42.2% |
Analysis mentioning CECO
Posts from the blog that cover Ceco Environmental Corp, newest first.
CECO questions and answers
Are insiders buying CECO stock?
No open-market insider purchases or sales of CECO were filed in the last 90 days.
Which hedge funds own CECO?
37 13F filers hold CECO among their 50 largest positions, worth $834.3M combined, including Polen Capital Management. The biggest bets by portfolio weight are IES Holdings, Inc. (18.2%), IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVATE Ltd (3.8%) and Panoramic Capital, LLC (3.4%). In their latest 13Fs, 2 managers opened a new position and 9 added to one.
Has Congress traded CECO?
Members of Congress have disclosed 2 CECO trades since 2026, 2 purchases and 0 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), buying $1K–15K on Aug 20, 2026.
Who is the largest holder of CECO?
Among 13F filers, Driehaus Capital Management LLC reports the largest CECO position, $141.6M (1,560,486 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is IES Holdings, Inc.'s: 18.2% of its portfolio.
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