Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
81 institutional managers reported holding TGS for the quarter ended Mar 31, 2026. Together they hold about 1% of shares outstanding; the top 10 hold 1%. 22 opened new positions; 13 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Helikon Investments LTD (focused) | 2.35M | 0.31% | $81.2M | trimmed -28.5% | 2025 Q3 |
| Mirae Asset Global Etfs Holdings LTD. | 1.14M | 0.15% | $39.4M | added +3.1% | 2018 Q3 |
| SPX Gestao de Recursos Ltda | 1.03M | 0.14% | $35.5M | trimmed -15.1% | 2025 Q2 |
| North of South Capital LLP (focused) | 641.0k | 0.09% | $22.2M | opened | 2026 Q1 |
| TT International Asset Management LTD (focused) | 608.5k | 0.08% | $21.1M | added +57.1% | 2023 Q1 |
| Morgan Stanley | 591.1k | 0.08% | $20.5M | added +21.2% | 2014 Q2 |
| Fundamenta Capital S.a. (focused) | 570.0k | 0.08% | $19.7M | trimmed -4.5% | 2025 Q4 |
| Vennlight Capital Management, LP (focused) | 274.0k | 0.04% | $9.5M | opened | 2026 Q1 |
| Mackenzie Financial CORP | 248.0k | 0.03% | $8.6M | added +96.2% | 2025 Q2 |
| VR Advisory Services LTD (focused) | 195.1k | 0.03% | $6.8M | unchanged | 2016 Q4 |
| Citigroup INC | 188.7k | 0.03% | $6.5M | added +129.6% | 2025 Q4 |
| Wexford Capital LP | 172.0k | 0.02% | $6.0M | added +91.5% | 2025 Q4 |
| CI Investments INC. | 154.2k | 0.02% | $5.3M | trimmed -5.7% | 2025 Q4 |
| BNP Paribas Financial Markets | 141.6k | 0.02% | $4.9M | added +87.3% | 2023 Q2 |
| Citadel Advisors | 133.3k | 0.02% | $4.6M | added +20.8% | 2023 Q2 |
| VAN Lanschot Kempen Investment Management N.v. | 126.2k | 0.02% | $4.4M | added +24.9% | 2024 Q4 |
| Moneda S.a. Administradora General de Fondos (focused) | 125.4k | 0.02% | $4.3M | trimmed -6.8% | 2025 Q3 |
| Voloridge Investment Management | 110.4k | 0.01% | $3.8M | trimmed -59.3% | 2025 Q1 |
| Ping Capital Management, INC. | 104.8k | 0.01% | $3.6M | added +2% | 2024 Q2 |
| UBS | 103.4k | 0.01% | $3.6M | added +27.7% | 2023 Q1 |
| Goldman Sachs | 100.3k | 0.01% | $3.5M | trimmed -44.3% | 2022 Q2 |
| Cohen & Steers | 87.8k | 0.01% | $3.0M | opened | 2026 Q1 |
| ABS Direct Equity Fund LLC | 73.9k | 0.01% | $2.6M | added +41.8% | 2024 Q1 |
| Lester Murray Antman dba SimplyRich | 67.4k | <0.01% | $2.3M | added +3.1% | 2022 Q3 |
| Meixler Investment Management, LTD. | 61.2k | <0.01% | $2.1M | opened | 2026 Q1 |
| Uniplan Investment Counsel, INC. | 60.1k | <0.01% | $2.1M | added +812.4% | 2025 Q4 |
| Pictet Asset Management Holding SA | 49.3k | <0.01% | $1.7M | unchanged | 2025 Q1 |
| Itau Unibanco Holding S.a. | 49.0k | <0.01% | $1.7M | unchanged | 2025 Q1 |
| T. Rowe Price | 43.4k | <0.01% | $1.5M | opened | 2026 Q1 |
| Glenorchy Capital LTD | 41.5k | <0.01% | $1.4M | added +8.3% | 2023 Q4 |
| Jane Street | 37.3k | <0.01% | $1.3M | added +455.4% | 2024 Q3 |
| Aquatic Capital Management LLC | 35.0k | <0.01% | $1.2M | added +1181.9% | 2025 Q4 |
| State OF Wisconsin Investment Board | 32.3k | <0.01% | $1.1M | unchanged | 2025 Q4 |
| Qube Research & Technologies LTD | 31.4k | <0.01% | $1.1M | opened | 2026 Q1 |
| Aquamarine Financial (Cayman) LTD (focused) | 29.7k | <0.01% | $1.0M | unchanged | 2025 Q3 |
| Raymond James Financial INC | 28.1k | <0.01% | $972k | opened | 2026 Q1 |
| Crocodile Capital Partners GmbH (focused) | 25.0k | <0.01% | $865k | unchanged | 2025 Q4 |
| Steadtrust LLC | 24.7k | <0.01% | $855k | unchanged | 2025 Q2 |
| Virtu Financial LLC | 24.0k | <0.01% | $832k | opened | 2026 Q1 |
| Susquehanna International Group | 18.1k | <0.01% | $627k | opened | 2025 Q2 |
| Invesco | 18.1k | <0.01% | $627k | added +120.6% | 2025 Q4 |
| Engineers Gate Manager LP | 18.0k | <0.01% | $623k | added +115.4% | 2024 Q4 |
| Mirabella Financial Services LLP | 17.4k | <0.01% | $603k | trimmed -24.6% | 2025 Q4 |
| Pickering Energy Partners LP (focused) | 16.0k | <0.01% | $554k | opened | 2026 Q1 |
| FOX RUN Management, L.l.c. | 15.5k | <0.01% | $535k | opened | 2026 Q1 |
| Envestnet Asset Management INC | 14.1k | <0.01% | $487k | added +109% | 2025 Q4 |
| Schonfeld Strategic Advisors | 12.1k | <0.01% | $417k | added +19.6% | 2025 Q4 |
| Kiker Wealth Management, LLC | 11.4k | <0.01% | $395k | opened | 2026 Q1 |
| Hsbc Holdings PLC | 11.0k | <0.01% | $382k | trimmed -5.1% | 2025 Q2 |
| LPL Financial LLC | 11.0k | <0.01% | $379k | opened | 2026 Q1 |
Largest 50 of 81 shown; the full ranked, searchable register is at boothcheck.com/holders/TGS. 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.