CECO Institutional Ownership
Who owns Ceco Environmental Corp and what the big funds did with it last quarter, from every SEC 13F filing. 346 funds reported holding CECO at Jun 30, 2026, together owning 89.0% of the company.
- ▲241 buying vs 94 selling
- ▲Held by funds +35.1 pts
- ▲Funds holding +79
- ●Superinvestors: 2 added, 2 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 346 | 267 | +29.6% |
| In funds' top 10 | 12 | 6 | +100.0% |
| 13F shares | 52.1M | 31.6M | +65.1% |
| Held by funds | 89.0% | 53.9% | +35.1 pts |
| New positions | 103 | 57 | +80.7% |
| Increased | 138 | 88 | +56.8% |
| Reduced | 70 | 80 | −12.5% |
| Sold out | 24 | 25 | −4.0% |
| Calls (shares) | 49K | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | 0.00 | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in CECO
All superinvestors →
Who owns CECO
share of fund held shares- Index and passive funds28.3%
- Active managers and hedge funds65.1%
- Banks and brokers5.7%
- Pensions, insurers and other1.0%
The top 10 holders own 44.5% of all CECO shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
73 funds changed their position- Assenagon Asset Management S.A.Trimmed−299K sh
- Swedbank ABAdded+240K sh
- CenterBook Partners LPAdded+44K sh
- Cookson Peirce & Co IncSold out−28K sh
- Principal Financial Group IncTrimmed−33K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Fmr LLC | 7.72% | 4.5M | $411M | +2.2M |
| 2 | BlackRock, Inc. | 7.38% | 4.3M | $392M | +2M |
| 3 | Vanguard Capital Management LLC | 3.99% | 2.3M | $212M | +1M |
| 4 | Dimensional Fund Advisors LP | 3.73% | 2.2M | $198M | +1.3M |
| 5 | T. Rowe Price Investment Management, Inc. | 3.68% | 2.2M | $195M | +22K |
| 6 | American Century Companies Inc | 3.57% | 2.1M | $190M | +194K |
| 7 | Driehaus Capital Management LLC | 2.66% | 1.6M | $142M | +921K |
| 8 | Geode Capital Management, LLC | 2.49% | 1.5M | $133M | +604K |
| 9 | Divisadero Street Capital Management, LP | 2.27% | 1.3M | $121M | +1.1M |
| 10 | State Street Corp | 2.16% | 1.3M | $115M | +607K |
- Fmr LLC+2.2M sh+$199M
- BlackRock, Inc.+2M sh+$185M
- Dimensional Fund Advisors LP+1.3M sh+$116M
- Divisadero Street Capital Management, LP+1.1M sh+$104M
- Vanguard Capital Management LLC+1M sh+$91.4M
- Driehaus Capital Management LLC+921K sh+$83.5M
- Price T Rowe Associates Inc /md/+814K sh+$73.9M
- Invesco Ltd.+631K sh+$57.3M
- Marshall Wace, LLP−194K sh−$17.6M
- Osterweis Capital Management Inc−175K sh−$15.9M
- Farallon Capital Management, L.l.c.−234K sh−$13.9M
- Martin & Co Inc /tn/−138K sh−$12.5M
- Voloridge Investment Management, LLC−128K sh−$11.6M
- Franklin Resources Inc−126K sh−$11.5M
- Squarepoint Ops LLC−86K sh−$7.8M
- Morgan Stanley−84K sh−$7.6M
CECO institutional ownership FAQ
Who owns the most CECO stock?
In Q2 2026 13F filings the largest holder of CECO was Fmr LLC, followed by BlackRock, Inc. and Vanguard Capital Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of CECO is owned by institutions?
Funds that file 13F reports held 89.0% of CECO's shares at Jun 30, 2026, compared with 53.9% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying CECO?
In Q2 2026, 241 funds bought CECO (103 of them new positions) and 94 sold (24 sold out completely). Among well known investors, 2 added and 2 cut. Our fund sentiment for CECO is bullish.
What is CECO's institutional put/call ratio?
Funds reported $0 of CECO puts against $4.4M of calls, a put/call ratio of 0.00. Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this CECO ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.