WD 40 Co
WDFC- Exchange
- Nasdaq
- Industry
- Miscellaneous Chemical Products
- SEC CIK
- 0000105132
No open-market purchases or sales by WD 40 Co insiders were filed in the last 90 days; 390 institutions reported holding it in 13F filings for Q2 2026, worth $2.85B in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 13, 2026
- $2.99B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +9 vs. previous quarter
- 390
- 13F valueReported value at the end of Q2 2026
- $2.85B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2026
- $688.0M
- +11.0% year over year
- Net income, FY2026
- $82.3M
- −9.5% year over year
- Free cash flow, FY2026
- $97.6M
- +17.0% year over year
- Revenue, Q4 FY2026
- $176.8M
- +8.1% year over year
Revenue flow, FY2026
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 472.0K
- Shares sold short
- Change
- −15.7K
- −3.2% vs. previous
- Days to cover
- 2.50
- At average daily volume
Superinvestors holding WDFC, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding WDFC at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by WD 40 Co insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 14, 2026 (view filing)4:35 PM ET | Aug 13 | 1 day | Olsem Patricia QDivision President, Americas | SSale | −200 | $234.72 | −$46.9K | −4.2%4.57K after | |
| Aug 12, 2026 (view filing)5:41 PM ET | Aug 10 | 2 days | Olsem Patricia QDivision President, Americas | SSale | −300 | $233.73 | −$70.1K | −5.9%4.77K after | |
| Feb 6, 2026 (view filing) | Feb 5 | 1 day | Pendarvis DavidDirector | PPurchase | +424 | $247.15 | +$104.8K | +6.5%6.90K after | |
| Oct 30, 2025 (view filing) | Oct 30 | Same day | Etchart EricDirector | PPurchase | +500 | $194.02 | +$97.0K | +6.4%8.37K after | |
| Oct 30, 2025 (view filing) | Oct 30 | Same day | Pendarvis DavidDirector | PPurchase | +523 | $196.37 | +$102.7K | +9.8%5.86K after | |
| Oct 29, 2025 (view filing) | Oct 28 | 1 day | Kiamilev Phenix Q.VP, GC & Chief Compliance Ofcr | PPurchase | +55 | $200.46 | +$11.0K | +1.3%4.30K after | |
| Oct 29, 2025 (view filing) | Oct 28 | 1 day | Brass Steven APresident and CEO | PPurchase | +362 | $200.46 | +$72.6K | +1.1%33.8K after | |
| Oct 29, 2025 (view filing) | Oct 28 | 1 day | Hyzer Sara KathleenVP, Finance & CFO | PPurchase | +200 | $200.46 | +$40.1K | +3.5%5.93K after | |
| Oct 27, 2025 (view filing) | Oct 27 | Same day | Carter Daniel TDirector | PPurchase | +1.00K | $199.37 | +$199.4K | +16.1%7.21K after | |
| Apr 15, 2025 (view filing) | Apr 11 | 4 days | Hyzer Sara KathleenVP, Finance & CFO | PPurchase | +256 | $222.83 | +$57.0K | +6.7%4.07K after |
Top 10 13F holders, Q2 2026
See all 390 holdersThe largest institutional positions in WD 40 Co at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,075,743 | $505.7M | 0.01% | +55,768+2.8% | Added |
| Vanguard Portfolio Management LLC | 1,075,929 | $262.1M | 0.01% | +37,790+3.6% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 629,021 | $153.3M | 0.48% | −5,313−0.8% | Reduced |
| Vanguard Capital Management LLC | 604,460 | $147.3M | 0.00% | −1,194−0.2% | Reduced |
| State Street Corp | 549,199 | $133.8M | 0.00% | +22,797+4.3% | Added |
| Geode Capital Management, LLC | 441,406 | $107.6M | 0.01% | +33,935+8.3% | Added |
| First Trust Advisors LP | 348,519 | $84.9M | 0.05% | −62,793−15.3% | Reduced |
| Alliancebernstein L.P. | 377,541 | $77.0M | 0.03% | −91,995−19.6% | Reduced |
| Dimensional Fund Advisors LP | 311,574 | $75.9M | 0.01% | +17,297+5.9% | Added |
| Ameriprise Financial Inc | 298,710 | $72.8M | 0.01% | +52,891+21.5% | Added |
Holders of 5% or more of WDFC
See all 3 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of WD 40 Co.
| 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 |
| Vanguard Portfolio Management LLC | 13G | 7.78%1.05M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.26%709.5K shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Politician trades
All politician trades in WDFC3 members of Congress reported 6 trades in WD 40 Co since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Aug 13, 2025 |  Lisa C. McClain House · MI | Sell | $1K-$15K |
| Aug 13, 2025 | Lisa C. McClain House · MI | Buy | $1K-$15K |
| Aug 19, 2020 |  Gilbert Ray Cisneros, Jr. House · CA | Sell | $1K-$15K |
| Aug 10, 2020 |  Josh Gottheimer House · NJ | Sell | $1K-$15K |
| May 13, 2020 | Gilbert Ray Cisneros, Jr. House · CA | Buy | $1K-$15K |
House · MI · Aug 13, 2025
Sell$1K-$15K
House · MI · Aug 13, 2025
Buy$1K-$15K
House · CA · Aug 19, 2020
Sell$1K-$15K
House · NJ · Aug 10, 2020
Sell$1K-$15K
House · CA · May 13, 2020
Buy$1K-$15K