Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
207 institutional managers reported holding GRC for the quarter ended Mar 31, 2026. Together they hold about 65% of shares outstanding; the top 10 hold 37%. 45 opened new positions; 26 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 2.17M | 8.23% | $135.4M | trimmed -2% | ≤2013 |
| BlackRock | 1.50M | 5.70% | $93.8M | trimmed -0.7% | ≤2013 |
| Dimensional Fund Advisors | 1.28M | 4.85% | $79.7M | trimmed -2.9% | ≤2013 |
| Mechanics Financial CORP | 1.01M | 3.83% | $62.9M | unchanged | 2021 Q4 |
| Victory Capital Management INC | 772.3k | 2.93% | $48.2M | trimmed -7% | 2025 Q2 |
| GAMCO (Gabelli) | 768.2k | 2.92% | $48.0M | trimmed -0.7% | ≤2013 |
| Mirae Asset Global Etfs Holdings LTD. | 703.3k | 2.67% | $43.9M | trimmed -9% | 2018 Q3 |
| Gamco Investors, INC. et al | 582.5k | 2.21% | $36.4M | trimmed -2.8% | ≤2013 |
| First Trust Advisors LP | 524.4k | 1.99% | $32.7M | added +326.1% | 2025 Q4 |
| State Street | 499.0k | 1.90% | $31.2M | trimmed -3.5% | ≤2013 |
| Geode Capital | 498.5k | 1.89% | $31.1M | added +2.3% | ≤2013 |
| King Luther Capital Management CORP | 395.1k | 1.50% | $24.7M | unchanged | 2014 Q2 |
| Legal & General Group PLC | 340.6k | 1.29% | $21.3M | added +44% | 2014 Q3 |
| Grace & White INC /NY | 321.6k | 1.22% | $20.1M | trimmed -3.8% | ≤2013 |
| Bank OF America CORP /DE/ | 302.2k | 1.15% | $18.9M | added +1056.7% | ≤2013 |
| KBC Group NV | 277.3k | 1.05% | $17.3M | trimmed -18.8% | 2017 Q3 |
| Needham Investment Management LLC | 272.5k | 1.03% | $17.0M | added +4.8% | 2024 Q2 |
| Goldman Sachs | 227.3k | 0.86% | $14.2M | trimmed -9.7% | 2016 Q1 |
| Northern Trust | 197.8k | 0.75% | $12.4M | added +2.3% | ≤2013 |
| UBS | 194.2k | 0.74% | $12.1M | added +82% | ≤2013 |
| Charles Schwab Investment Management | 173.9k | 0.66% | $10.9M | trimmed -1.1% | ≤2013 |
| BNY Mellon | 172.2k | 0.65% | $10.7M | unchanged | ≤2013 |
| Prentiss Smith & CO INC | 170.7k | 0.65% | $10.7M | unchanged | 2023 Q2 |
| Wells Fargo & COMPANY/MN | 167.8k | 0.64% | $10.5M | added +23% | ≤2013 |
| Keybank National ASSOCIATION/OH | 143.4k | 0.55% | $9.0M | unchanged | ≤2013 |
| Morgan Stanley | 143.0k | 0.54% | $8.9M | trimmed -8.3% | ≤2013 |
| Renaissance Technologies | 140.0k | 0.53% | $8.7M | trimmed -18.9% | 2016 Q1 |
| Amundi | 122.7k | 0.47% | $7.7M | trimmed -1.4% | 2025 Q4 |
| Kennedy Capital Management LLC | 119.4k | 0.45% | $7.5M | opened | 2026 Q1 |
| Allspring Global Investments Holdings, LLC | 118.9k | 0.45% | $7.4M | trimmed -3.7% | 2025 Q3 |
| John G Ullman & Associates INC | 112.7k | 0.43% | $7.0M | trimmed -0.8% | 2020 Q4 |
| Uniplan Investment Counsel, INC. | 107.9k | 0.41% | $6.7M | trimmed -1.7% | 2023 Q4 |
| ProShare Advisors LLC | 105.9k | 0.40% | $6.6M | trimmed -20.5% | 2024 Q3 |
| Earnest Partners LLC | 103.3k | 0.39% | $6.4M | opened | 2026 Q1 |
| Connor, Clark & Lunn Investment Management LTD. | 103.2k | 0.39% | $6.4M | added +5.5% | 2023 Q1 |
| Oberweis Asset Management INC/ | 95.0k | 0.36% | $5.9M | added +1.9% | 2023 Q3 |
| Invesco | 94.0k | 0.36% | $5.9M | trimmed -1.2% | ≤2013 |
| Two Sigma | 82.4k | 0.31% | $5.1M | added +157% | 2021 Q1 |
| Envestnet Asset Management INC | 79.4k | 0.30% | $5.0M | opened | 2026 Q1 |
| US Bancorp \DE\ | 64.5k | 0.24% | $4.0M | trimmed -0.6% | ≤2013 |
| Rodgers Brothers INC. | 64.2k | 0.24% | $4.0M | trimmed -3.4% | 2018 Q2 |
| Fruth Investment Management | 62.4k | 0.24% | $3.9M | trimmed -1.2% | ≤2013 |
| Lbmc Investment Advisors, LLC | 61.1k | 0.23% | $3.8M | unchanged | 2014 Q3 |
| American Century Companies INC | 59.1k | 0.22% | $3.7M | trimmed -0.6% | 2023 Q4 |
| Trexquant Investment LP | 55.6k | 0.21% | $3.5M | added +183% | 2024 Q1 |
| Johnson Investment Counsel INC | 49.0k | 0.19% | $3.1M | unchanged | 2018 Q2 |
| Russell Investments Group, LTD. | 48.8k | 0.18% | $3.0M | trimmed -13% | 2022 Q3 |
| Nuveen | 46.3k | 0.18% | $2.9M | trimmed -1.2% | 2019 Q2 |
| Vontobel Holding LTD. | 46.0k | 0.17% | $2.9M | added +63.5% | 2024 Q4 |
| Park National CORP /OH/ | 41.5k | 0.16% | $2.6M | trimmed -2.1% | ≤2013 |
Largest 50 of 207 shown; the full ranked, searchable register is at boothcheck.com/holders/GRC. 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.