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WDFC · Wd 40 Co

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$223.23 -6.78 (-2.95%) At close · Aug 19
Market Cap
$3.09B
Shares
13.42M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 385
Total Value: $2,875,427,827
Total Shares: 11,801,965

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 385 13F filers · Δ vs Mar 31, 2026
Top Holder
17.6%
Sep 2023 → Jun 2026 · range 16.0% – 18.0%
+0.8 pts
Top 5
41.8%
Sep 2023 → Jun 2026 · range 40.2% – 52.1%
+1.6 pts
Top 10
56.9%
Sep 2023 → Jun 2026 · range 55.9% – 65.5%
+1.0 pts
HHI
560
Sep 2023 → Jun 2026 · range 521 – 717
Broadly held+39

Quarterly Activity

vs Mar 31, 2026
New
54
Increased
111
Decreased
130
Sold Out
50
Unchanged
90
Holder count: +4
Institutional value: +17.4%
Shares held: -1.7%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 392
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 105132 CUSIP 929236107 13F (30d) 348 filings 343 filers Visit website Investor relations