Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
1,228 institutional managers reported holding GWW for the quarter ended Mar 31, 2026. Together they hold about 72% of shares outstanding; the top 10 hold 39%. 124 opened new positions; 111 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 5.64M | 11.90% | $6.16B | trimmed -0.6% | ≤2013 |
| BlackRock | 4.64M | 9.79% | $5.07B | added +2.3% | ≤2013 |
| State Street | 1.99M | 4.21% | $2.18B | trimmed -1.3% | ≤2013 |
| Geode Capital | 1.23M | 2.60% | $1.34B | added +1.1% | ≤2013 |
| Wellington Management | 1.03M | 2.18% | $1.13B | trimmed -3.6% | 2018 Q1 |
| Wells Fargo & COMPANY/MN | 922.5k | 1.95% | $1.01B | trimmed -3.3% | ≤2013 |
| T. Rowe Price | 905.4k | 1.91% | $988.3M | trimmed -11.9% | ≤2013 |
| Clearbridge Investments, LLC | 845.5k | 1.78% | $922.9M | unchanged | ≤2013 |
| UBS | 811.5k | 1.71% | $885.8M | added +2% | ≤2013 |
| Parnassus Investments | 651.2k | 1.37% | $710.8M | added +1.7% | 2025 Q3 |
| Northern Trust | 619.3k | 1.31% | $676.0M | trimmed -1.7% | ≤2013 |
| Morgan Stanley | 545.6k | 1.15% | $595.5M | trimmed -2.1% | ≤2013 |
| Franklin Resources | 541.7k | 1.14% | $591.2M | added +2.7% | ≤2013 |
| Bank OF America CORP /DE/ | 528.0k | 1.11% | $576.3M | added +4.5% | ≤2013 |
| Goldman Sachs | 466.7k | 0.98% | $509.4M | added +6.1% | ≤2013 |
| MFS Investment Management | 453.4k | 0.96% | $494.8M | trimmed -5.1% | 2024 Q2 |
| Dimensional Fund Advisors | 409.1k | 0.86% | $446.6M | added +2.4% | ≤2013 |
| Invesco | 389.8k | 0.82% | $425.5M | trimmed -10.1% | ≤2013 |
| Stifel Financial CORP | 358.6k | 0.76% | $391.4M | trimmed -3.6% | ≤2013 |
| Charles Schwab Investment Management | 343.0k | 0.72% | $374.4M | added +2.9% | ≤2013 |
| Legal & General Group PLC | 325.9k | 0.69% | $355.8M | unchanged | ≤2013 |
| FMR (Fidelity) | 314.7k | 0.66% | $343.5M | added +17.8% | ≤2013 |
| Amundi | 292.9k | 0.62% | $319.7M | trimmed -6.8% | 2017 Q4 |
| FIL LTD | 250.3k | 0.53% | $273.2M | added +7.9% | 2016 Q2 |
| BNY Mellon | 245.6k | 0.52% | $268.0M | trimmed -2.3% | ≤2013 |
| Nuveen | 241.6k | 0.51% | $263.7M | added +2% | ≤2013 |
| Sustainable Growth Advisers, LP | 210.9k | 0.45% | $230.2M | trimmed -8.2% | 2025 Q3 |
| Deutsche Bank AG\ | 173.4k | 0.37% | $189.3M | added +3.2% | 2013 Q3 |
| State Farm Mutual Automobile Insurance CO | 168.5k | 0.35% | $183.9M | unchanged | 2016 Q1 |
| ProShare Advisors LLC | 162.6k | 0.34% | $177.5M | trimmed -5.9% | ≤2013 |
| Canada Life Assurance CO | 160.0k | 0.34% | $174.7M | unchanged | ≤2013 |
| Raymond James Financial INC | 155.5k | 0.33% | $169.7M | added +1.9% | ≤2013 |
| BNP Paribas Financial Markets | 149.7k | 0.32% | $163.4M | trimmed -3.6% | ≤2013 |
| Hsbc Holdings PLC | 144.6k | 0.30% | $157.8M | added +8.8% | ≤2013 |
| Mitsubishi UFJ Asset Management CO., LTD. | 144.1k | 0.30% | $157.2M | added +5.2% | ≤2013 |
| Junto Capital Management LP | 136.2k | 0.29% | $148.7M | added +12.5% | 2025 Q4 |
| Swiss National Bank | 132.6k | 0.28% | $144.7M | added +6.5% | ≤2013 |
| Neuberger Berman Group LLC | 130.9k | 0.28% | $142.9M | added +67.5% | ≤2013 |
| DekaBank Deutsche Girozentrale | 128.7k | 0.27% | $140.5M | unchanged | ≤2013 |
| CalPERS | 122.5k | 0.26% | $133.7M | trimmed -4% | ≤2013 |
| Envestnet Asset Management INC | 120.2k | 0.25% | $131.2M | added +18.1% | ≤2013 |
| Public Sector Pension Investment Board | 119.9k | 0.25% | $130.9M | added +2086% | ≤2013 |
| American Century Companies INC | 110.1k | 0.23% | $120.1M | added +0.9% | 2017 Q2 |
| Citadel Advisors | 107.9k | 0.23% | $117.8M | trimmed -9.8% | ≤2013 |
| Sumitomo Mitsui Trust Group, INC. | 105.6k | 0.22% | $115.2M | trimmed -7.7% | ≤2013 |
| D. E. Shaw | 101.8k | 0.21% | $111.1M | trimmed -60% | 2016 Q1 |
| AQR Capital | 101.5k | 0.21% | $110.8M | trimmed -33.2% | ≤2013 |
| Caisse de depot et placement du Quebec | 101.3k | 0.21% | $110.6M | trimmed -17.6% | ≤2013 |
| AllianceBernstein | 100.4k | 0.21% | $109.6M | added +15.6% | ≤2013 |
| Champlain Investment Partners, LLC | 98.6k | 0.21% | $107.7M | trimmed -24.3% | 2024 Q3 |
Largest 50 of 1,228 shown; the full ranked, searchable register is at boothcheck.com/holders/GWW. 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.