Who owns IESCWhat IESC owns
What IES Holdings, Inc. owns
The company's own 13F portfolio · as of 2026-03-31 · long US-listed stakes only — private holdings, bonds and cash are not disclosable on a 13F
$214.0M
disclosed stock portfolio
13
positions
15.8%
in CECO
Positions, as of 2026-03-31
ordered by filed value · % of book = share of the disclosed stock portfolio · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | CECOCECO Environmental Corp | 568,527 | $33.9M | 15.8% |
| 2 | Ranger Energy Services Inc | 1.7M | $29.1M | 13.6% |
| 3 | CTRACoterra Energy Inc | 575,000 | $20.2M | 9.4% |
| 4 | RESRPC Inc | 2.5M | $17.8M | 8.3% |
| 5 | AMTAmerican Tower Corp | 97,500 | $16.8M | 7.9% |
| 6 | Mistras Group Inc | 1.1M | $16.6M | 7.7% |
| 7 | Manitowoc Co Inc/The | 1.4M | $15.9M | 7.4% |
| 8 | NXQuanex Building Products Corp | 861,169 | $15.5M | 7.2% |
| 9 | ARAntero Resources Corp | 325,000 | $13.8M | 6.4% |
| 10 | RRCRange Resources Corp | 296,882 | $13.4M | 6.3% |
| 11 | Forum Energy Technologies Inc | 225,000 | $13.2M | 6.2% |
| 12 | Unisys Corp | 3.2M | $6.7M | 3.1% |
| 13 | Team Inc | 75,002 | $1.2M | 0.6% |
Source: SEC Form 13F-HR filed by IES Holdings, Inc. (CIK 1048268), reporting period 2026-03-31. Values are quarter-end filed marks. Research, not investment advice.