WD-40 Company
WD-40 Company (WDFC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · WDFC · as of Mar 31, 2025
Ownership Breakdown
383
Institutional Holders
▲ 5 vs Q4
$2.92B
Total Inst. Value
▼ $37.87M vs Q4
13.46M
Shares Outstanding
freeFloat 99.48%
11.98M
13F Shares Held
▼ 259,941 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
WDFC largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. miscellaneous chemical products | 2.16M | 15.94% | 15.94% | $527.21B | May 2, 2025 | ▲ 37.5K |
VANGUARD GROUP INC miscellaneous chemical products | 1.62M | 11.99% | 11.99% | $396.47B | May 9, 2025 | ▼ 2.8K |
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC miscellaneous chemical products | 568.3K | 4.19% | 4.19% | $138.67B | May 14, 2025 | ▲ 4.7K |
STATE STREET CORP miscellaneous chemical products | 525.2K | 3.88% | 3.88% | $128.14B | May 15, 2025 | ▼ 20.5K |
ALLIANCEBERNSTEIN L.P. miscellaneous chemical products | 448.2K | 3.31% | 3.31% | $109.36B | May 15, 2025 | ▲ 424.2K |
GEODE CAPITAL MANAGEMENT, LLC miscellaneous chemical products | 393.6K | 2.90% | 2.90% | $96.05B | May 13, 2025 | ▲ 7.8K |
APG ASSET MANAGEMENT N.V. miscellaneous chemical products | 324.0K | 2.39% | 2.39% | $73.19B | May 14, 2025 | ▼ 776.7K |
CONESTOGA CAPITAL ADVISORS, LLC miscellaneous chemical products | 319.8K | 2.36% | 2.36% | $78.03B | Apr 17, 2025 | ▲ 432 |
NEUBERGER BERMAN GROUP LLC miscellaneous chemical products | 290.8K | 2.15% | 2.15% | $70.96B | May 13, 2025 | ▼ 108.1K |
DIMENSIONAL FUND ADVISORS LP miscellaneous chemical products | 277.7K | 2.05% | 2.05% | $67.76B | May 13, 2025 | ▼ 13.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
20
Increased
+814.9K shares3
New Positions
first time holders25
Decreased
−1.22M shares0
Sold Out
fully exitedNet shares change (top 50)
409.5K
+814.9K / −1.22M
Net new holders
-2
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
WDFC insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Plunk Ken Allen director | Feb 18, 2026 | Award | 515 | — | — | 515 | Form 4 ↗ |
PENDARVIS DAVID director | Feb 5, 2026 | Purchase | 424 | $247.15 | $104.8K | 6.9K | Form 4 ↗ |
Magee Edward O Jr director | Dec 12, 2025 | Award | 612 | — | — | 2.6K | Form 4 ↗ |
Etchart Eric director | Dec 12, 2025 | Award | 367 | — | — | 9.3K | Form 4 ↗ |
Etchart Eric director | Dec 12, 2025 | Award | 612 | — | — | 9.0K | Form 4 ↗ |
CARTER DANIEL T director | Dec 12, 2025 | Award | 612 | — | — | 7.8K | Form 4 ↗ |
PENDARVIS DAVID director | Dec 12, 2025 | Award | 612 | — | — | 6.5K | Form 4 ↗ |
Lee Lara L director | Dec 12, 2025 | Award | 612 | — | — | 2.5K | Form 4 ↗ |
Saunders Anne director | Dec 12, 2025 | Award | 612 | — | — | 3.4K | Form 4 ↗ |
Monteagudo Graciela director | Dec 12, 2025 | Award | 612 | — | — | 2.9K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
WD-40 Company (WDFC) is primarily owned by institutional investors, who hold approximately 89.1% of total shares outstanding. Company insiders own approximately 0.52%, while retail and public investors account for the remaining 10.41%.
The largest institutional shareholder of WD-40 Company is BLACKROCK, INC., holding approximately 2.16 million shares — equal to 15.94% of outstanding shares — as of March 31, 2025.
A total of 383 institutional investors currently hold WDFC stock, with a combined institutional value of approximately $2.92 billion as of the most recent 13F filing period.
Frequently asked questions
WDFC ownershipWD-40 Company (WDFC) is primarily owned by institutional investors, who hold approximately 89.1% of shares. The largest shareholder is BLACKROCK, INC. with a 15.94% stake. Company insiders hold 0.52%. Data sourced from SEC Form 13F as of March 31, 2025.