TGS NOPEC GEOPHYS ADR (TGSGY)
Institutional ownership reported to the SEC as of Q2 2026, across 10 quarters.
3
Reporting holders
$80.7K
Reported value
0.0%
Held as options
+0
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| RHUMBLINE ADVISERS | $38.3K | 2,953 | 0.00% | 10q | +1.6% |
| GAMMA Investing LLC | $36.7K | 2,833 | 0.00% | 3q | +49.3%+$12.1K |
| Ancora Advisors LLC | $5.7K | 439 | 0.00% | new | NEW |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 3 | $80.7K | 6,225 | 1 | 2 | 0 | 0.0% |
| Q1 2026 | 3 | $77.8K | 5,805 | 0 | 1 | 1 | 0.0% |
| Q4 2025 | 3 | $46.8K | 5,152 | 1 | 0 | 1 | 0.0% |
| Q3 2025 | 2 | $41.7K | 5,559 | 0 | 1 | 0 | 0.0% |
| Q2 2025 | 2 | $46.5K | 5,360 | 1 | 0 | 0 | 0.0% |
| Q1 2025 | 1 | $39.3K | 4,360 | 0 | 1 | 0 | 0.0% |
| Q4 2024 | 1 | $19.4K | 1,890 | 0 | 1 | 0 | 0.0% |
| Q3 2024 | 1 | $5.6K | 600 | 0 | 1 | 0 | 0.0% |
| Q2 2024 | 1 | $2.6K | 220 | 0 | 0 | 0 | 0.0% |
| Q1 2024 | 1 | $2.4K | 220 | 1 | 0 | 0 | 0.0% |