WD-40 Ownership | Who Owns WD-40?
WD-40 Ownership Summary
WD-40 is owned by 89.54% institutional investors, 0.78% insiders, and 9.69% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 15.50% of WDFC shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.95% of its assets in WD-40 shares.
WDFC Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail | 
|---|---|---|---|---|
| Stock | WD-40 | 89.54% | 0.78% | 9.69% | 
| Sector | Basic Materials Stocks | 52.55% | 12.25% | 35.20% | 
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value | 
|---|---|---|---|
| Blackrock funding, inc. /de | 2.10M | 15.50% | $478.74M | 
| Blackrock | 2.06M | 15.21% | $453.00M | 
| Vanguard group | 1.63M | 12.01% | $395.01M | 
| Apg asset management | 1.10M | 8.12% | $257.96M | 
| Kayne anderson rudnick investment management | 564.04K | 4.16% | $128.65M | 
| State street | 513.74K | 3.79% | $112.84M | 
| Neuberger berman group | 398.91K | 2.94% | $96.81M | 
| Geode capital management | 385.78K | 2.85% | $93.64M | 
| Ameriprise financial | 336.49K | 2.48% | $81.66M | 
| Conestoga capital advisors | 310.60K | 2.29% | $61.38M | 
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value | 
|---|---|---|---|
| Profit investment management | 7.24K | 1.80% | $1.43M | 
| Westhampton capital | 15.20K | 1.46% | $3.00M | 
| Qsv equity investors | 5.57K | 1.32% | $1.27M | 
| Geneva capital management | 263.30K | 1.01% | $60.06M | 
| Conestoga capital advisors | 310.60K | 0.98% | $61.38M | 
| Dividend assets capital | 20.08K | 0.83% | $4.58M | 
| 683 capital management | 50.00K | 0.83% | $10.98M | 
| Apg asset management | 1.10M | 0.72% | $257.96M | 
| Reik | 10.80K | 0.61% | $2.46M | 
| Bridge city capital | 9.48K | 0.61% | $2.16M | 
Top Buyers
| Holder | Shares | % Assets | Change | 
|---|---|---|---|
| Norges bank | 224.87K | 0.01% | 224.87K | 
| Millennium management | 158.16K | 0.02% | 106.62K | 
| Balyasny asset management | 59.83K | 0.02% | 54.76K | 
| Arrowstreet capital, limited partnership | 46.49K | 0.01% | 37.55K | 
| Cubist systematic strategies | 41.73K | 0.06% | 34.23K | 
Top Sellers
| Holder | Shares | % Assets | Change | 
|---|---|---|---|
| Apg asset management | 1.10M | 0.72% | -507.54K | 
| Neuberger berman group | 398.91K | 0.08% | -150.29K | 
| Squarepoint ops | - | - | -70.30K | 
| Blackrock funding, inc. /de | 2.10M | 0.01% | -61.79K | 
| Man group | 78.43K | 0.05% | -57.73K | 
New Positions
| Holder | Shares | % Assets | Change | Value | 
|---|---|---|---|---|
| Norges bank | 224.87K | 0.01% | 224.87K | $54.57M | 
| Susquehanna portfolio strategies | 20.16K | 0.10% | 20.16K | $4.60M | 
| Canada pension plan investment board | 12.60K | 0.00% | 12.60K | $2.87M | 
| Truemark investments | 5.52K | 0.27% | 5.52K | $1.26M | 
| Capstone investment advisors | 5.08K | 0.00% | 5.08K | $1.16M | 
Sold Out
| Holder | Change | 
|---|---|
| Mendota financial group | -1.00 | 
| Tfc financial management | -1.00 | 
| Claris advisors, llc / mo / | -1.00 | 
| St germain d j | -1.00 | 
| Belmont capital | -2.00 | 
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % | 
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 371 | -1.59% | 12,126,915 | 2.66% | 89 | 1.18% | 169 | 1.81% | 115 | -2.54% | 
| Mar 31, 2025 | 371 | -0.54% | 11,798,241 | -3.62% | 87 | 1.07% | 164 | 0.61% | 115 | -5.74% | 
| Dec 31, 2024 | 345 | -7.51% | 11,605,749 | -6.10% | 85 | 1.03% | 148 | -7.50% | 115 | -2.54% | 
| Sep 30, 2024 | 368 | 4.55% | 12,350,670 | -1.98% | 91 | 1.05% | 157 | 8.28% | 117 | -1.68% | 
| Jun 30, 2024 | 347 | -5.71% | 12,589,440 | 0.71% | 92 | 1.09% | 143 | -10.06% | 118 | - | 
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change | 
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 805.49K | 5.95% | - | 
| Vanguard Total Stock Mkt Idx Inv | 428.01K | 3.16% | -9.13K | 
| Vanguard US Total Market Shares ETF | 427.98K | 3.16% | 440.00 | 
| Vanguard Small Cap Index | 328.71K | 2.43% | -2.29K | 
| iShares Russell 2000 ETF | 325.87K | 2.41% | - | 
| Conestoga Small Cap Investors | 228.18K | 1.69% | - | 
| Vanguard Small Cap Growth Index Inv | 185.52K | 1.37% | -140.00 | 
| First Trust Value Line® Dividend ETF | 166.14K | 1.23% | -11.61K | 
| Vanguard Institutional Extnd Mkt Idx Tr | 145.49K | 1.07% | -63.70K | 
| Columbia Acorn Inst | 140.12K | 1.04% | 16.04K | 
Recent Insider Transactions
| Date | Name | Role | Activity | Value | 
|---|---|---|---|---|
| Oct 27, 2025 | CARTER DANIEL T | - | Buy | $199.37K | 
| Apr 11, 2025 | HYZER SARA KATHLEEN | VP, Finance & CFO | Buy | $57.04K | 
| Nov 13, 2024 | NOBLE WILLIAM B | Group Managing Director | Sell | $289.70K | 
| Oct 22, 2024 | NOBLE WILLIAM B | Group Managing Director, EIMEA | Sell | $205.58K | 
| May 09, 2024 | HYZER SARA KATHLEEN | VP, Finance & CFO | Buy | $49.59K | 
Insider Transactions Trends
| Date | Buy | Sell | 
|---|---|---|
| 2025 Q4 | 1 | - | 
| 2025 Q2 | 1 | - | 
| 2024 Q4 | - | 2 | 
| 2024 Q2 | 3 | - | 
| 2024 Q1 | 1 | - | 
WDFC Ownership FAQ
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