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Who owns WD 40 (WDFC) stock

364 funds reported WD 40 (WDFC) shares in their latest 13F filings, worth $3.0B in all. The largest holder is BlackRock ($506M). Last quarter 146 funds added to their stakes and 152 cut them.

Largest holders of WDFC (13F)Largest holders of WDFC (13F)BlackRock$506MVanguard Group$325MVanguard Portfolio Management LLC$262MKayne Anderson Rudnick Investment…$153MVanguard Capital Management LLC$147MState Street$134MGeode Capital Management, LLC$108MFirst Trust Advisors LP$84.9MAlliancebernstein L.P.$77.0MDimensional Fund Advisors LP$75.9M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock2,075,743$506Mincrease2026-06-30
Vanguard Group1,650,622$325Mincrease2025-12-31
Vanguard Portfolio Management LLC1,075,929$262Mincrease2026-06-30
Kayne Anderson Rudnick Investment Management LLC629,021$153Mdecrease2026-06-30
Vanguard Capital Management LLC604,460$147Mdecrease2026-06-30
State Street549,199$134Mincrease2026-06-30
Geode Capital Management, LLC441,406$108Mincrease2026-06-30
First Trust Advisors LP348,519$84.9Mdecrease2026-06-30
Alliancebernstein L.P.377,541$77.0Mdecrease2026-06-30
Dimensional Fund Advisors LP311,574$75.9Mincrease2026-06-30
Ameriprise Financial298,710$72.8Mincrease2026-06-30
Morgan Stanley252,684$61.6Mdecrease2026-06-30
Goldman Sachs Group237,838$57.9Mincrease2026-06-30
Geneva Capital Management LLC222,836$54.3Mdecrease2026-06-30
American Century Companies212,756$51.8Mincrease2026-06-30

WD 40's latest quarter

WD 40, Q4 FY26: revenue $177M (+8% year over year), operating margin 10.8%, net earnings $14.4M, operating cash flow $50.2M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most WDFC stock?

By the latest 13F filings: BlackRock ($506M); Vanguard Group ($325M); Vanguard Portfolio Management LLC ($262M); Kayne Anderson Rudnick Investment Management LLC ($153M); Vanguard Capital Management LLC ($147M).

What is the short interest in WDFC?

487,682 shares were sold short at the 2026-10-15 settlement, -11.75% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.