WD-40 Company (WDFC) ownership: Top institutional holder: BlackRock, Inc. ($411.95M). Insider activity: Net Seller (0 buys, 4 sells). 2 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 2019975.00 | $411.95M | 2026-03-31 |
| VANGUARD GROUP INC | 1650622.00 | $325.01M | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1038139.00 | $211.72M | 2026-03-31 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 634334.00 | $129.37M | 2026-03-31 |
| BlackRock Fund Advisors | 1100861.00 | $128.69M | 2016-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 605654.00 | $123.52M | 2026-03-31 |
| STATE STREET CORP | 526402.00 | $107.35M | 2026-03-31 |
| ALLIANCEBERNSTEIN L.P. | 469536.00 | $92.45M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-13 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-02-18 | |
| Sell | null | 2026-02-05 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.