Wd 40 WDFC Institutional Ownership

Updated Oct 11, 2026

Wd 40 Co (NASDAQ:WDFC) appeared in the 13F filings of 386 institutional investors for the quarter ended June 30, 2026.

• Collectively, these holders controlled 87.39% of Wd 40's outstanding shares in Q2 2026, down from 88.53% in Q1 2026.
• Total shares held in Wd 40 fell 1.52% versus Q1 2026, while the number of holders rose 2.12% versus Q2 2025.
• Among the 386 holders of Wd 40, 170 added to their positions, 124 reduced their stakes and 92 left their positions unchanged.
• In total, institutional investors held 11.76Mn shares of Wd 40 at the end of Q2 2026, down 181.06K from the prior quarter and down 16.6K from a year earlier.
• BlackRock, Inc. held the largest position in WDFC at 2.08Mn shares as of June 30, 2026, or 15.43% of shares outstanding.
• Holders that added the most shares of Wd 40 in Q2 2026 were American Century Companies Inc (+193.88K shares), Goldman Sachs Group Inc (+151.5K shares), Ophir Asset Management Pty Ltd (+96.55K shares), Two Sigma Investments, LP (+83.5K shares) and BlackRock, Inc. (+55.77K shares).
• On the other side, among holders that kept a position in Wd 40, the largest reductions in Q2 2026 came from Marshall Wace, LLP (-108.37K shares), AllianceBernstein L.P. (-92K shares), Barclays PLC (-72.9K shares), Millennium Management LLC (-65.14K shares) and Conestoga Capital Advisors, LLC (-64K shares).
• Per Business Quant data, the 10 largest holders of Wd 40 at the end of Q2 2026 were BlackRock, Inc. (2.08Mn shares), Vanguard Portfolio Management LLC (1.08Mn shares), Kayne Anderson Rudnick Investment Management LLC (629.02K shares), Vanguard Capital Management LLC (604.46K shares), State Street Corp (549.2K shares), Geode Capital Management, LLC (441.41K shares), AllianceBernstein L.P. (377.54K shares), First Trust Advisors LP (348.52K shares), Dimensional Fund Advisors LP (311.57K shares) and Ameriprise Financial Inc (298.71K shares).