GEOS — GEOSPACE TECHNOLOGIES CORP
As of Q2 2026, 15 SEC-registered investment managers reported holding GEOS (GEOSPACE TECHNOLOGIES CORP) in their latest 13F filings, with a combined reported value of $7.03M across 1.04M shares. That is -8.7% by share count (-98.35K shares) versus the previous quarter, while reported value moved -49.3%. Ownership is concentrated: the five largest holders account for 85.2% of reported value and the top ten for 97.4%.
Compared with the prior quarter, 4 opened new positions, 9 added to existing stakes, 2 trimmed, 5 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
GEOS is classified in the Industrials sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Vanguard Group history | Q4 2025 | 648.22K | $10.96M | 0.00% | Add |
| First Eagle Investment Management history | Q1 2026 | 240.00K | $2.93M | 0.00% | Reduce |
| Marshall Wace history | Q2 2026 | 301.92K | $2.04M | 0.00% | Add |
| BlackRock Inc history | Q2 2026 | 231.76K | $1.57M | 0.00% | Add |
| Millennium Management history | Q1 2026 | 107.39K | $1.31M | 0.00% | Add |
| Geode Capital Management history | Q2 2026 | 164.18K | $1.11M | 0.00% | Add |
| Arrowstreet Capital history | Q3 2025 | 53.50K | $1.01M | 0.00% | New |
| Franklin Resources history | Q4 2022 | 199.40K | $841.47K | 0.00% | Reduce |
| Citadel Advisors history | Q2 2026 | 104.92K | $710.29K | 0.00% | Add |
| Two Sigma Investments history | Q2 2026 | 82.18K | $556.39K | 0.00% | Add |
| D. E. Shaw & Co history | Q4 2021 | 66.99K | $450.00K | 0.00% | Reduce |
| Renaissance Technologies history | Q2 2026 | 44.30K | $299.90K | 0.00% | New |
| BNY Mellon history | Q1 2025 | 30.60K | $220.63K | 0.00% | Add |
| Bank of America Corp history | Q1 2026 | 18.06K | $220.33K | 0.00% | Add |
| Prudential Financial history | Q4 2024 | 19.62K | $196.64K | 0.00% | Add |
| Northern Trust Corp history | Q2 2026 | 28.72K | $194.41K | 0.00% | Reduce |
| Balyasny Asset Management history | Q4 2025 | 10.53K | $178.06K | 0.00% | New |
| Goldman Sachs Group history | Q2 2026 | 25.80K | $174.67K | 0.00% | New |
| Charles Schwab Investment Management history | Q1 2026 | 10.34K | $126.09K | 0.00% | Reduce |
| AQR Capital Management history | Q4 2024 | 11.50K | $115.20K | 0.00% | Add |
New Positions (Q2 2026)
- Renaissance Technologies 44.30K sh · $299.90K
- Goldman Sachs Group 25.80K sh · $174.67K
- Invesco Ltd 12.68K sh · $85.84K
- JPMorgan Chase & Co 1.62K sh · $10.62K
Fully Exited (vs previous quarter)
- First Eagle Investment Management sold 240.00K sh · $2.93M
- Millennium Management sold 107.39K sh · $1.31M
- Bank of America Corp sold 18.06K sh · $220.33K
- Charles Schwab Investment Management sold 10.34K sh · $126.09K
- Citigroup Inc sold 1.13K sh · $13.74K
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Marshall Wace | — | — | — | 41.90K | — | — | — | — | 51.17K | 64.26K | 94.67K | 92.27K | 44.41K | — | — | — | — | 11.79K | 188.81K | 301.92K |
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 886.46K | 894.89K | 882.00K | 412.94K | 207.16K | 221.11K | 225.57K | 231.76K |
| Geode Capital Management | 122.05K | 122.05K | 122.05K | 124.29K | 124.29K | 125.03K | 125.03K | 125.03K | 124.60K | 133.40K | 138.43K | 288.51K | 287.63K | 287.00K | 283.73K | 141.13K | 142.60K | 146.11K | 152.15K | 164.18K |
| Citadel Advisors | — | 15.80K | 130.30K | 66.40K | 73.50K | 34.59K | 54.36K | 65.96K | 13.08K | 23.20K | — | — | 10.40K | — | 55.61K | 79.80K | 201.22K | 126.03K | 47.52K | 104.92K |
| Two Sigma Investments | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 15.27K | 36.98K | 58.29K | 73.91K | 82.18K |
| Renaissance Technologies | — | 28.50K | — | — | — | 15.80K | 25.70K | 15.10K | 19.00K | 28.50K | 41.10K | 47.20K | 48.80K | 43.90K | 44.60K | 45.20K | 24.80K | — | — | 44.30K |
| Northern Trust Corp | 47.90K | 45.63K | 43.95K | 43.48K | 44.31K | 44.19K | 40.16K | 37.40K | 41.53K | 41.69K | 39.45K | 42.35K | 113.73K | 114.20K | 107.05K | 40.98K | 39.72K | 38.94K | 40.60K | 28.72K |
| Goldman Sachs Group | — | — | — | — | — | — | — | — | — | 16.96K | 84.68K | 14.89K | 25.23K | 32.91K | 19.80K | 31.54K | 18.27K | 60.14K | — | 25.80K |
| Morgan Stanley | 15.83K | 17.91K | 18.28K | 19.50K | 5.92K | 179 | 1.69K | 1.53K | 1.55K | 3.05K | 11.56K | 13.55K | 34.06K | 27.54K | 18.02K | 7.31K | 7.54K | 17.26K | 16.52K | 15.26K |
| Invesco Ltd | — | — | — | — | — | — | — | — | — | — | — | 34.74K | — | — | — | — | — | — | — | 12.68K |
| Wells Fargo & Co | 83 | 83 | 616 | 623 | 81 | 183 | 85 | 113 | 10.29K | 12.28K | 12.28K | 14.52K | 13.27K | 14.65K | 14.81K | 6.23K | 15.23K | 10.91K | 10.18K | 12.45K |
| UBS Group AG | 465 | 2.51K | — | 75 | 2.23K | 463 | 205 | 1.94K | — | — | 3 | 3.00K | 5.95K | 13.93K | 9.83K | 1.92K | 2.35K | 6.82K | 1.40K | 7.34K |
| PNC Financial Services | 192 | 141 | 36 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2.00K | 4.00K |
| JPMorgan Chase & Co | — | 105 | 1.37K | 866 | — | — | — | — | — | 9.69K | 23.01K | 5.35K | 5.45K | 13.58K | 5.95K | 2 | — | — | — | 1.62K |
| Fidelity Management & Research (FMR) | 1.18M | 1.18M | 736.28K | 244.00K | — | — | — | — | — | 100 | — | 133 | 1.18K | 1.49K | 1.21K | 1.17K | 1.11K | 1.11K | 1.11K | 1.19K |
| Arrowstreet Capital | 15.50K | 15.50K | — | — | — | — | — | — | — | 10.65K | 37.22K | 12.76K | — | — | — | — | 53.50K | — | — | — |
| Balyasny Asset Management | — | — | — | — | — | — | — | — | — | 20.85K | 12.17K | — | — | — | — | — | — | 10.53K | — | — |
| Bank of America Corp | 622 | 259 | — | — | — | 28 | 7.11K | 7.11K | 8.32K | 27.59K | 8.51K | 8.72K | 8.41K | 12.19K | 7.74K | 13.04K | 24.28K | 14.66K | 18.06K | — |
| Citigroup Inc | — | — | — | — | — | — | — | — | 11.81K | 45.85K | 47.16K | 2.82K | 9.22K | 15.34K | 8.47K | 5.72K | 419 | 3.31K | 1.13K | — |
| First Eagle Investment Management | — | — | — | — | — | — | — | — | — | — | — | — | 21.79K | 283.32K | 467.89K | 509.36K | 522.86K | 430.27K | 240.00K | — |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details