WD 40 Co
WDFC- Exchange
- Nasdaq
- Industry
- Miscellaneous Chemical Products
- SEC CIK
- 0000105132
In the last 90 days, WD 40 Co insiders filed 0 open-market purchases and 2 sales; 387 institutions reported holding it in 13F filings for Q2 2026, worth $2.85B in total; no superinvestor holds it.
Holders of 5% or more of WDFC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of WD 40 Co, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 14.30%1.93M shares | – | Oct 17, 20251 filing | Oct 17, 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
4 Schedule 13D and 13G filings on WD 40 Co, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 27, 20262:16 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Oct 17, 20256:41 PM ET | BlackRock, Inc. | 13G/A | 14.30%1.93M shares | – | Sep 30, 2025 | SEC |
| May 14, 20254:35 PM ET | APG Asset Management US Inc.and 3 others | 13G/A | 2.40%324.0K shares | −5.10 ppfrom 7.50%Below 5% | Mar 31, 2025 | SEC |
| Feb 13, 20254:14 PM ET | APG Asset Management US Inc.and 3 others | 13G/A | 7.50%1.02M shares | – | Jan 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell WD 40 Co shares.
No Form 144 notices for WD 40 Co are on file.