Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
369 institutional managers reported holding WDFC for the quarter ended Mar 31, 2026. Together they hold about 88% of shares outstanding; the top 10 hold 53%. 40 opened new positions; 49 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 2.02M | 14.95% | $411.6M | unchanged | ≤2013 |
| Vanguard Group | 1.76M | 13.05% | $359.1M | added +6.6% | ≤2013 |
| Kayne Anderson Rudnick Investment Management LLC | 634.3k | 4.70% | $129.2M | added +20.2% | ≤2013 |
| State Street | 526.4k | 3.90% | $107.3M | added +1.3% | ≤2013 |
| AllianceBernstein | 469.5k | 3.48% | $95.7M | trimmed -11.2% | ≤2013 |
| First Trust Advisors LP | 411.3k | 3.04% | $83.8M | added +41.9% | 2017 Q4 |
| Geode Capital | 407.5k | 3.02% | $83.0M | added +0.6% | ≤2013 |
| Morgan Stanley | 304.8k | 2.26% | $62.1M | added +58.3% | ≤2013 |
| Dimensional Fund Advisors | 294.3k | 2.18% | $60.0M | added +2.8% | ≤2013 |
| Geneva Capital Management LLC | 282.4k | 2.09% | $57.5M | added +18.7% | 2020 Q1 |
| Thrivent Financial for Lutherans | 276.5k | 2.05% | $56.3M | added +2874% | 2025 Q3 |
| Ameriprise Financial INC | 245.8k | 1.82% | $50.1M | trimmed -2.3% | ≤2013 |
| Renaissance Technologies | 203.5k | 1.51% | $41.5M | trimmed -19.3% | ≤2013 |
| Conestoga Capital Advisors, LLC | 190.2k | 1.41% | $38.8M | trimmed -35.9% | 2016 Q4 |
| Royce & Associates | 180.8k | 1.34% | $36.8M | added +9.5% | 2024 Q1 |
| Charles Schwab Investment Management | 152.3k | 1.13% | $31.0M | added +3.4% | ≤2013 |
| Northern Trust | 146.4k | 1.08% | $29.8M | added +2.3% | ≤2013 |
| Two Sigma | 121.8k | 0.90% | $24.8M | trimmed -5.8% | 2023 Q2 |
| BNY Mellon | 118.6k | 0.88% | $24.2M | trimmed -1.9% | ≤2013 |
| Marshall Wace | 118.4k | 0.88% | $24.1M | trimmed -4.8% | 2020 Q4 |
| Ophir Asset Management Pty LTD (focused) | 105.8k | 0.78% | $21.5M | opened | 2026 Q1 |
| Nordea Investment Management AB | 100.9k | 0.75% | $20.6M | opened | 2026 Q1 |
| Barclays PLC | 98.3k | 0.73% | $20.0M | added +46.6% | ≤2013 |
| UBS | 87.6k | 0.65% | $17.9M | added +19.4% | ≤2013 |
| Goldman Sachs | 86.3k | 0.64% | $17.6M | added +23.9% | ≤2013 |
| Nuveen | 86.1k | 0.64% | $17.6M | added +143.6% | 2019 Q2 |
| Jane Street | 80.2k | 0.59% | $16.3M | added +129.1% | 2021 Q1 |
| Principal Financial Group INC | 75.0k | 0.56% | $15.3M | added +15.9% | ≤2013 |
| Raymond James Financial INC | 72.5k | 0.54% | $14.8M | trimmed -1.7% | 2016 Q1 |
| AQR Capital | 70.6k | 0.52% | $14.4M | added +25.5% | 2023 Q3 |
| Jacobs Levy Equity Management, INC | 67.9k | 0.50% | $13.8M | trimmed -16.1% | 2025 Q1 |
| Millennium Management | 66.2k | 0.49% | $13.5M | added +34.5% | 2017 Q2 |
| Invesco | 64.8k | 0.48% | $13.2M | trimmed -53.8% | ≤2013 |
| D. E. Shaw | 63.6k | 0.47% | $13.0M | trimmed -3.4% | 2018 Q4 |
| Natixis Advisors, LLC | 60.4k | 0.45% | $12.3M | added +5.4% | 2016 Q4 |
| Jones Financial Companies Lllp | 57.0k | 0.42% | $11.6M | added +8509.7% | 2023 Q4 |
| Citadel Advisors | 56.9k | 0.42% | $11.6M | added +717% | 2016 Q3 |
| Wells Fargo & COMPANY/MN | 56.3k | 0.42% | $11.5M | trimmed -25% | ≤2013 |
| Public Sector Pension Investment Board | 48.2k | 0.36% | $9.8M | added +3% | ≤2013 |
| Bank OF America CORP /DE/ | 42.9k | 0.32% | $8.7M | added +19.5% | ≤2013 |
| Envestnet Asset Management INC | 42.8k | 0.32% | $8.7M | added +21.8% | 2015 Q1 |
| Rhumbline Advisers | 41.5k | 0.31% | $8.5M | added +2% | ≤2013 |
| Gamco Investors, INC. et al | 37.5k | 0.28% | $7.6M | trimmed -0.8% | ≤2013 |
| DRH Investments, INC. (focused) | 37.0k | 0.27% | $7.5M | unchanged | 2025 Q4 |
| Voloridge Investment Management | 36.6k | 0.27% | $7.5M | trimmed -32.5% | 2024 Q2 |
| Squarepoint Ops LLC | 35.7k | 0.27% | $7.3M | trimmed -35.1% | 2023 Q1 |
| HRT Financial LP | 34.5k | 0.26% | $7.0M | added +30.2% | 2023 Q1 |
| Teacher Retirement System OF Texas | 34.1k | 0.25% | $6.9M | added +5.3% | 2020 Q4 |
| GCQ Funds Management PTY LTD (focused) | 31.6k | 0.23% | $6.4M | trimmed -85.7% | 2024 Q4 |
| Legal & General Group PLC | 31.6k | 0.23% | $6.4M | trimmed -10% | 2014 Q3 |
Largest 50 of 369 shown; the full ranked, searchable register is at boothcheck.com/holders/WDFC. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.