Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
227 institutional managers reported holding GCT for the quarter ended Mar 31, 2026. Together they hold about 56% of shares outstanding; the top 10 hold 34%. 57 opened new positions; 20 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| FMR (Fidelity) | 4.34M | 11.80% | $196.7M | unchanged | 2024 Q1 |
| BlackRock | 1.91M | 5.21% | $86.8M | trimmed -10.2% | 2022 Q4 |
| Kayne Anderson Rudnick Investment Management LLC | 1.26M | 3.44% | $57.3M | added +1066.2% | 2024 Q1 |
| LSV Asset Management | 1.04M | 2.83% | $47.1M | added +41.2% | 2025 Q3 |
| Vanguard Group | 1.00M | 2.72% | $45.4M | added +9.1% | 2024 Q2 |
| Geode Capital | 706.4k | 1.92% | $32.0M | added +12.6% | 2022 Q4 |
| Goldman Sachs | 629.3k | 1.71% | $28.5M | added +57.5% | 2024 Q1 |
| Arrowstreet Capital | 609.6k | 1.66% | $27.6M | trimmed -12.4% | 2025 Q3 |
| Nuveen | 578.7k | 1.57% | $26.2M | added +6.7% | 2024 Q2 |
| State Street | 578.3k | 1.57% | $26.2M | added +2.2% | 2024 Q2 |
| Dimensional Fund Advisors | 472.3k | 1.28% | $21.4M | added +252.3% | 2025 Q4 |
| UBS | 428.6k | 1.17% | $19.4M | added +67.3% | 2022 Q3 |
| D. E. Shaw | 411.9k | 1.12% | $18.7M | added +6.7% | 2025 Q2 |
| Franklin Resources | 381.0k | 1.04% | $17.3M | added +26.7% | 2024 Q1 |
| Morgan Stanley | 324.1k | 0.88% | $14.7M | trimmed -23.7% | 2022 Q4 |
| Oasis Management CO LTD. | 313.0k | 0.85% | $14.2M | unchanged | 2024 Q4 |
| Northern Trust | 301.6k | 0.82% | $13.7M | added +2.8% | 2024 Q2 |
| Charles Schwab Investment Management | 207.1k | 0.56% | $9.4M | trimmed -3.4% | 2024 Q2 |
| Algert Global LLC | 159.0k | 0.43% | $7.2M | added +43% | 2024 Q4 |
| Truist Financial CORP | 157.7k | 0.43% | $7.1M | opened | 2026 Q1 |
| Jane Street | 147.8k | 0.40% | $6.7M | added +157.8% | 2023 Q4 |
| Citadel Advisors | 146.8k | 0.40% | $6.7M | trimmed -68.6% | 2023 Q4 |
| Nordea Investment Management AB | 132.0k | 0.36% | $6.0M | trimmed -3.2% | 2025 Q3 |
| Credit Agricole S A | 131.0k | 0.36% | $5.9M | trimmed -29.6% | 2024 Q3 |
| American Century Companies INC | 129.5k | 0.35% | $5.9M | trimmed -51.9% | 2025 Q3 |
| Wells Fargo & COMPANY/MN | 127.3k | 0.35% | $5.8M | added +294.6% | 2023 Q3 |
| Victory Capital Management INC | 112.7k | 0.31% | $5.1M | added +116.4% | 2024 Q4 |
| First Trust Advisors LP | 102.0k | 0.28% | $4.6M | added +5.4% | 2025 Q3 |
| Qube Research & Technologies LTD | 101.9k | 0.28% | $4.6M | added +186% | 2025 Q4 |
| Bank OF America CORP /DE/ | 99.9k | 0.27% | $4.5M | added +184.3% | 2023 Q3 |
| Man Group | 99.9k | 0.27% | $4.5M | added +337.9% | 2024 Q3 |
| Group ONE Trading LLC | 99.5k | 0.27% | $4.5M | trimmed -35.8% | 2023 Q4 |
| Invesco | 98.7k | 0.27% | $4.5M | trimmed -32.1% | 2024 Q1 |
| O'shaughnessy Asset Management, LLC | 93.1k | 0.25% | $4.2M | added +78.2% | 2025 Q3 |
| BNY Mellon | 87.5k | 0.24% | $4.0M | trimmed -16% | 2024 Q2 |
| LPL Financial LLC | 85.9k | 0.23% | $3.9M | trimmed -30% | 2023 Q4 |
| ProShare Advisors LLC | 83.5k | 0.23% | $3.8M | trimmed -16.6% | 2024 Q3 |
| Renaissance Technologies | 78.8k | 0.21% | $3.6M | opened | 2026 Q1 |
| Capital Fund Management S.a. | 75.2k | 0.20% | $3.4M | added +115.8% | 2025 Q4 |
| Ethos Financial Group, LLC | 74.0k | 0.20% | $3.4M | unchanged | 2025 Q1 |
| Allspring Global Investments Holdings, LLC | 71.1k | 0.19% | $3.2M | trimmed -55.3% | 2024 Q3 |
| AllianceBernstein | 66.9k | 0.18% | $3.0M | added +172.5% | 2024 Q2 |
| NewEdge Wealth, LLC | 61.6k | 0.17% | $2.8M | added +150.3% | 2025 Q3 |
| SEI Investments CO | 61.4k | 0.17% | $2.8M | opened | 2026 Q1 |
| CWA Asset Management Group, LLC | 60.6k | 0.17% | $2.7M | added +10.8% | 2025 Q4 |
| Ritholtz Wealth Management | 57.7k | 0.16% | $2.6M | added +969.3% | 2025 Q4 |
| Mariner, LLC | 56.8k | 0.15% | $2.6M | added +84.5% | 2024 Q3 |
| AQR Capital | 56.7k | 0.15% | $2.6M | added +7.3% | 2024 Q3 |
| Bridgeway Capital Management, LLC | 55.0k | 0.15% | $2.5M | trimmed -83.6% | 2023 Q4 |
| Gotham Asset Management | 53.8k | 0.15% | $2.4M | added +31% | 2024 Q2 |
Largest 50 of 227 shown; the full ranked, searchable register is at boothcheck.com/holders/GCT. 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.