Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
739 institutional managers reported holding GGG for the quarter ended Mar 31, 2026. Together they hold about 87% of shares outstanding; the top 10 hold 41%. 96 opened new positions; 56 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 18.39M | 10.93% | $1.56B | unchanged | ≤2013 |
| Vanguard Group | 16.63M | 9.88% | $1.41B | added +1.6% | ≤2013 |
| State Street | 8.00M | 4.75% | $676.9M | added +2.3% | ≤2013 |
| Geode Capital | 4.86M | 2.89% | $411.6M | added +4.5% | ≤2013 |
| Kayne Anderson Rudnick Investment Management LLC | 4.14M | 2.46% | $350.8M | trimmed -2.7% | ≤2013 |
| Fiera Capital CORP | 3.94M | 2.34% | $333.5M | trimmed -4.3% | ≤2013 |
| Morgan Stanley | 3.94M | 2.34% | $333.2M | trimmed -3% | ≤2013 |
| Mairs & Power INC | 3.82M | 2.27% | $323.0M | trimmed -2.3% | ≤2013 |
| PineStone Asset Management INC. (focused) | 3.63M | 2.15% | $306.9M | trimmed -4.3% | 2022 Q4 |
| Principal Financial Group INC | 2.39M | 1.42% | $202.3M | trimmed -0.7% | ≤2013 |
| Two Sigma | 2.24M | 1.33% | $189.7M | added +188.3% | 2025 Q1 |
| UBS | 2.23M | 1.32% | $188.7M | added +17% | ≤2013 |
| Northern Trust | 1.95M | 1.16% | $165.5M | added +7.5% | ≤2013 |
| Amundi | 1.94M | 1.16% | $164.6M | trimmed -4.7% | 2022 Q3 |
| Caisse de depot et placement du Quebec | 1.84M | 1.09% | $155.5M | added +43.7% | 2025 Q1 |
| First Trust Advisors LP | 1.54M | 0.91% | $130.0M | added +4.2% | 2015 Q2 |
| Alecta Tjanstepension Omsesidigt | 1.54M | 0.91% | $130.0M | trimmed -12.3% | 2014 Q4 |
| Invesco | 1.44M | 0.86% | $122.2M | trimmed -4.3% | ≤2013 |
| BNY Mellon | 1.39M | 0.83% | $117.7M | trimmed -0.9% | ≤2013 |
| Dimensional Fund Advisors | 1.28M | 0.76% | $108.5M | trimmed -1.8% | ≤2013 |
| MFS Investment Management | 1.25M | 0.74% | $106.1M | trimmed -11.2% | 2020 Q1 |
| Mirae Asset Global Etfs Holdings LTD. | 1.25M | 0.74% | $105.5M | added +8% | 2021 Q1 |
| Hsbc Holdings PLC | 1.19M | 0.71% | $101.1M | added +51.8% | 2022 Q4 |
| Charles Schwab Investment Management | 1.13M | 0.67% | $96.1M | added +4% | ≤2013 |
| Neuberger Berman Group LLC | 1.12M | 0.67% | $95.0M | trimmed -2.9% | ≤2013 |
| AQR Capital | 1.11M | 0.66% | $93.9M | added +44.9% | 2017 Q4 |
| Russell Investments Group, LTD. | 1.10M | 0.65% | $92.8M | added +1.3% | 2016 Q4 |
| Fenimore Asset Management INC | 1.09M | 0.65% | $92.7M | trimmed -1.6% | ≤2013 |
| Jacobs Levy Equity Management, INC | 1.06M | 0.63% | $90.1M | trimmed -3% | 2024 Q2 |
| Wellington Management | 997.5k | 0.59% | $84.5M | trimmed -4.2% | 2020 Q3 |
| Bank OF Montreal /CAN/ | 971.8k | 0.58% | $82.3M | trimmed -3.9% | ≤2013 |
| Arrowstreet Capital | 954.3k | 0.57% | $80.8M | added +80.6% | 2024 Q1 |
| Port Capital LLC | 916.4k | 0.54% | $77.6M | added +5.7% | 2017 Q4 |
| American Century Companies INC | 867.3k | 0.52% | $73.4M | added +45.2% | ≤2013 |
| Acadian Asset Management | 823.1k | 0.49% | $69.7M | added +125.4% | 2019 Q1 |
| Maren Capital LLC (focused) | 781.8k | 0.46% | $66.2M | trimmed -0.9% | 2023 Q4 |
| Snyder Capital Management L P | 766.5k | 0.46% | $64.9M | trimmed -5% | ≤2013 |
| Champlain Investment Partners, LLC | 755.1k | 0.45% | $63.9M | trimmed -8.6% | 2021 Q2 |
| Renaissance Technologies | 721.7k | 0.43% | $61.1M | added +87.7% | 2023 Q1 |
| Gamco Investors, INC. et al | 686.8k | 0.41% | $58.1M | trimmed -3.1% | ≤2013 |
| Capital Group (American Funds) | 644.0k | 0.38% | $54.5M | trimmed -33% | ≤2013 |
| Wells Fargo & COMPANY/MN | 643.0k | 0.38% | $54.4M | added +8.7% | ≤2013 |
| Legal & General Group PLC | 639.9k | 0.38% | $54.2M | trimmed -0.7% | 2014 Q2 |
| Bank OF America CORP /DE/ | 639.4k | 0.38% | $54.1M | trimmed -23.3% | ≤2013 |
| GAMCO (Gabelli) | 603.7k | 0.36% | $51.1M | trimmed -0.8% | ≤2013 |
| Confluence Investment Management LLC | 585.7k | 0.35% | $49.6M | trimmed -6% | ≤2013 |
| T. Rowe Price Investment Management, INC. | 582.2k | 0.35% | $49.3M | added +2227.4% | 2022 Q3 |
| Goldman Sachs | 563.6k | 0.34% | $47.7M | added +7.5% | ≤2013 |
| Conestoga Capital Advisors, LLC | 540.6k | 0.32% | $45.8M | added +1.7% | ≤2013 |
| Ameriprise Financial INC | 535.9k | 0.32% | $45.4M | added +5.7% | ≤2013 |
Largest 50 of 739 shown; the full ranked, searchable register is at boothcheck.com/holders/GGG. 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.