North American Construction Group Ltd.
NOA- Exchange
- NYSE
- Industry
- Oil & Gas Field Services, NEC
- SEC CIK
- 0001368519
No open-market purchases or sales by North American Construction Group Ltd. insiders were filed in the last 90 days; 71 institutions reported holding it in 13F filings for Q2 2026, worth $218.2M in total; no superinvestor holds it.
Holders of 5% or more of NOA
Holders whose latest Schedule 13D or 13G filing reports 5% or more of North American Construction Group Ltd., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Bank of Montreal | 13G/A | 9.76%2.87M shares | −0.97 ppfrom 10.73% | Feb 14, 20253 filings | Jan 8, 2026 | SEC |
| Claret Asset Management Corp | 13G/A | 7.47%2.08M shares | – | Feb 4, 20251 filing | Feb 4, 2025 | SEC |
| CIBC Asset Management Inc | 13G | 5.13%1.46M shares | New | May 12, 20261 filing | May 12, 2026 | SEC |
| Cannell Capital LLC | 13G | 5.10%1.55M shares | −1.02 ppfrom 6.12% | Feb 13, 20252 filings | Aug 14, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
12 Schedule 13D and 13G filings on North American Construction Group Ltd., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 12, 20264:03 PM ET | Mawer Investment Management Ltd. | 13G/A | 3.41%972.8K shares | −3.60 ppfrom 7.01%Below 5% | Mar 31, 2026 | SEC |
| May 12, 20269:32 AM ET | CIBC Asset Management Inc | 13G | 5.13%1.46M shares | New | May 12, 2026 | SEC |
| Feb 17, 20269:19 AM ET | Polar Asset Management Partners Inc. | 13G/A | 4.60%1.38M shares | −0.70 ppfrom 5.30%Below 5% | Dec 31, 2025 | SEC |
| Feb 11, 20263:11 PM ET | Mawer Investment Management Ltd. | 13G/A | 7.01%2.04M shares | −1.71 ppfrom 8.72% | Dec 31, 2025 | SEC |
| Jan 8, 20265:57 PM ET | Bank of Montrealand 5 others | 13G/A | 9.76%2.87M shares | −0.97 ppfrom 10.73% | Dec 31, 2025 | SEC |
| Dec 5, 20254:51 PM ET | Polar Asset Management Partners Inc. | 13G/A | 5.30%1.62M shares | – | Nov 28, 2025 | SEC |
| Aug 14, 20257:16 PM ET | Cannell Capital LLCand 1 other | 13G | 5.10%1.55M shares | −1.02 ppfrom 6.12% | Jun 30, 2025 | SEC |
| Jun 9, 20251:49 PM ET | Bank of Montrealand 4 others | 13G | 10.73%3.29M shares | +3.53 ppfrom 7.20% | May 31, 2025 | SEC |
| May 9, 202512:55 PM ET | Mawer Investment Management Ltd. | 13G/A | 8.72%2.68M shares | – | Mar 31, 2025 | SEC |
| Feb 14, 20259:57 AM ET | Bank of Montrealand 5 others | 13G | 7.20%2.05M shares | New | Dec 31, 2024 | SEC |
| Feb 13, 202511:15 AM ET | Cannell Capital LLCand 1 other | 13G/A | 6.12%1.70M shares | – | Dec 31, 2024 | SEC |
| Feb 4, 20254:00 PM ET | Claret Asset Management Corp | 13G/A | 7.47%2.08M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell North American Construction Group Ltd. shares.
No Form 144 notices for North American Construction Group Ltd. are on file.