Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
172 institutional managers reported holding TGLS for the quarter ended Mar 31, 2026. Together they hold about 52% of shares outstanding; the top 10 hold 37%. 35 opened new positions; 37 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| FMR (Fidelity) | 6.71M | 15.03% | $298.6M | trimmed -3% | 2022 Q3 |
| American Century Companies INC | 2.00M | 4.49% | $89.1M | added +31.5% | 2019 Q1 |
| BlackRock | 1.89M | 4.24% | $84.2M | added +1% | 2015 Q4 |
| Dimensional Fund Advisors | 1.24M | 2.79% | $55.4M | added +15% | 2019 Q2 |
| William Blair Investment Management, LLC | 1.17M | 2.63% | $52.2M | added +26.1% | 2023 Q4 |
| Nomura Asset Management International INC. | 958.8k | 2.15% | $42.7M | trimmed -11.6% | 2025 Q4 |
| Owls Nest Partners IA, LLC (focused) | 810.4k | 1.82% | $36.1M | trimmed -4.2% | 2020 Q4 |
| Vanguard Group | 658.1k | 1.47% | $29.3M | added +2.8% | 2016 Q1 |
| Geode Capital | 636.1k | 1.43% | $28.3M | trimmed -0.7% | 2015 Q3 |
| Millennium Management | 627.1k | 1.41% | $27.9M | added +760.7% | 2020 Q4 |
| Cooke & Bieler LP | 540.8k | 1.21% | $24.1M | added +11% | 2023 Q3 |
| State Street | 537.7k | 1.21% | $23.9M | added +3.6% | 2021 Q2 |
| Wellington Management | 404.4k | 0.91% | $18.0M | trimmed -40.4% | 2022 Q3 |
| AllianceBernstein | 320.5k | 0.72% | $14.3M | added +1262.7% | 2024 Q1 |
| Marshall Wace | 295.0k | 0.66% | $13.1M | added +447.3% | 2023 Q1 |
| Citadel Advisors | 293.0k | 0.66% | $13.0M | opened | 2024 Q2 |
| UBS | 264.6k | 0.59% | $11.8M | added +230% | 2017 Q2 |
| Northern Trust | 225.0k | 0.50% | $10.0M | unchanged | 2015 Q3 |
| Charles Schwab Investment Management | 217.2k | 0.49% | $9.7M | trimmed -1.9% | 2021 Q4 |
| Goldman Sachs | 213.1k | 0.48% | $9.5M | trimmed -25.3% | 2023 Q2 |
| Voloridge Investment Management | 176.8k | 0.40% | $7.9M | unchanged | 2025 Q1 |
| Bank OF America CORP /DE/ | 162.8k | 0.36% | $7.2M | added +9.1% | 2015 Q4 |
| HRT Financial LP | 159.3k | 0.36% | $7.1M | added +165.6% | 2025 Q3 |
| Morgan Stanley | 143.4k | 0.32% | $6.4M | trimmed -42.8% | 2014 Q1 |
| Mirae Asset Global Etfs Holdings LTD. | 120.4k | 0.27% | $5.4M | trimmed -1.9% | 2023 Q1 |
| Trexquant Investment LP | 106.5k | 0.24% | $4.7M | trimmed -2.3% | 2024 Q2 |
| one8zero8, LLC | 105.1k | 0.23% | $4.7M | added +9% | 2024 Q4 |
| Susquehanna International Group | 102.5k | 0.23% | $4.6M | added +224.7% | 2021 Q2 |
| Clearbridge Investments, LLC | 93.3k | 0.21% | $4.2M | trimmed -2.7% | 2023 Q3 |
| Engineers Gate Manager LP | 77.7k | 0.17% | $3.5M | added +28% | 2024 Q2 |
| Riverwater Partners LLC | 76.5k | 0.17% | $3.4M | added +22.5% | 2021 Q4 |
| Thompson Siegel & Walmsley LLC | 76.3k | 0.17% | $3.4M | unchanged | 2024 Q4 |
| BNY Mellon | 73.5k | 0.17% | $3.3M | added +5.6% | 2021 Q3 |
| Denali Advisors LLC | 69.4k | 0.16% | $3.1M | added +105.3% | 2025 Q4 |
| Squarepoint Ops LLC | 66.6k | 0.15% | $3.0M | added +179.7% | 2022 Q4 |
| Connors Investor Services INC | 64.7k | 0.14% | $2.9M | added +57% | 2025 Q4 |
| Ameriprise Financial INC | 62.9k | 0.14% | $2.8M | added +17.5% | 2023 Q1 |
| Acadian Asset Management | 62.3k | 0.14% | $2.8M | opened | 2026 Q1 |
| Nuveen | 61.1k | 0.14% | $2.7M | added +0.7% | 2024 Q2 |
| Qube Research & Technologies LTD | 58.1k | 0.13% | $2.6M | trimmed -58.6% | 2021 Q3 |
| Jump Financial | 51.2k | 0.12% | $2.3M | added +110.2% | 2024 Q4 |
| Principal Financial Group INC | 48.8k | 0.11% | $2.2M | added +7.5% | 2024 Q3 |
| Balyasny Asset Management | 45.4k | 0.10% | $2.0M | opened | 2023 Q1 |
| Invesco | 37.6k | 0.08% | $1.7M | added +13.2% | 2019 Q3 |
| Weiss Asset Management LP | 37.2k | 0.08% | $1.7M | opened | 2026 Q1 |
| Raymond James Financial INC | 34.8k | 0.08% | $1.5M | added +7.8% | 2022 Q4 |
| XTX Topco LTD | 34.3k | 0.08% | $1.5M | trimmed -43% | 2025 Q4 |
| Quantbot Technologies LP | 33.9k | 0.08% | $1.5M | added +394.4% | 2025 Q1 |
| Brooklyn Investment Group | 33.7k | 0.08% | $1.5M | opened | 2026 Q1 |
| Rhumbline Advisers | 31.1k | 0.07% | $1.4M | trimmed -0.9% | 2024 Q2 |
Largest 50 of 172 shown; the full ranked, searchable register is at boothcheck.com/holders/TGLS. 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.