Acme United Corp
ACU- Exchange
- NYSE
- Industry
- Cutlery, Handtools & General Hardware
- SEC CIK
- 0000002098
In the last 90 days, Acme United Corp insiders filed 0 open-market purchases and 4 sales; 81 institutions reported holding it in 13F filings for Q2 2026, worth $133.6M in total; no superinvestor holds it.
Holders of 5% or more of ACU
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Acme United Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Capital Management Corp | 13G/A | 14.20%540.3K shares | −1.10 ppfrom 15.30% | Jan 29, 20243 filings | Jan 30, 2026 | SEC |
| Mink Brook Partners LP | 13G/A | 9.50%359.9K shares | – | May 12, 20251 filing | May 12, 2025 | SEC |
| North Star Investment Management Corp. | 13G/A | 6.64%252.6K shares | −1.36 ppfrom 8.00% | Jan 7, 20252 filings | Feb 2, 2026 | 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
7 Schedule 13D and 13G filings on Acme United Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 2, 202612:34 PM ET | North Star Investment Management Corp. | 13G/A | 6.64%252.6K shares | −1.36 ppfrom 8.00% | Dec 31, 2025 | SEC |
| Jan 30, 202612:48 PM ET | Capital Management Corp | 13G/A | 14.20%540.3K shares | −1.10 ppfrom 15.30% | Dec 31, 2025 | SEC |
| May 12, 20252:32 PM ET | Mink Brook Partners LPand 4 others | 13G/A | 9.50%359.9K shares | – | Mar 31, 2025 | SEC |
| Apr 15, 202512:18 PM ET | Dimensional Fund Advisors LP | 13G/A | 4.60%174.3K shares | –Below 5% | Mar 31, 2025 | SEC |
| Feb 6, 20252:17 PM ET | Capital Management Corp | 13G/A | 15.30%569.8K shares | +1.00 ppfrom 14.30% | Dec 31, 2024 | SEC |
| Jan 7, 20253:57 PM ET | North Star Investment Management Corp. | 13G/A | 8.00%299.4K shares | – | Dec 31, 2024 | SEC |
| Jan 29, 202410:45 AM ET | Capital Management Corp | 13G/A | 14.30%579.6K shares | – | Dec 31, 2023 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Acme United Corp shares.
No Form 144 notices for Acme United Corp are on file.