GEOS · Company research
Geospace Technologies Corporation Common Stock (GEOS): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
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Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 54200 | 366934 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Nemes Rush Group LLC | 1982273 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 280 | 1896 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MCF Advisors LLC | 1602905 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 740 | 5010 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Kingdom Financial Group LLC. | 1962236 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 176 | 1192 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 185632 | 1256729 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Allworth Financial LP | 1555170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15 | 102 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 359341 | 2432739 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| JPMORGAN CHASE & CO | 19617 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1621 | 10618 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 76 | 515 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 515067 | 3487004 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| CITADEL ADVISORS LLC | 1423053 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 35996 | 243693 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SIMPLEX TRADING, LLC | 1488542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2075 | 14047 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Moors & Cabot, Inc. | 1607239 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19500 | 132015 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4660 | 31549 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| MARSHALL WACE, LLP | 1318757 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 240491 | 1628124 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| IFP Advisors, Inc | 1641866 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 232 | 1571 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| MERCER GLOBAL ADVISORS INC /ADV | 853758 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 200 | 1354 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| PNC Financial Services Group, Inc. | 713676 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2000 | 13540 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Caitong International Asset Management Co., Ltd | 1963355 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31 | 210 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| HRT FINANCIAL LP | 1475597 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 30656 | 207 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6964 | 47146 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Triumph Capital Management | 1730765 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100 | 677 | — | — | — | Jul 21, 2026 | SEC_13F_DATASET |
| JANE STREET GROUP, LLC | 1595888 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26500 | 179405 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Tieton Capital Management, LLC | 1381954 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 907265 | 6142 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Hurley Capital, LLC | 1632844 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 206 | 1395 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| AXQ CAPITAL, LP | 1916908 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19637 | 132942 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| VANGUARD FIDUCIARY TRUST CO | 933478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 76586 | 518487 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 82184 | 556386 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Optiver Holding B.V. | 1859606 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6 | 41 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| AMERICAN CENTURY COMPANIES INC | 748054 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28201 | 190921 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| ROYAL BANK OF CANADA | 1000275 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 357 | 2000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Transamerica Financial Advisors, LLC | 1502149 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 27 | 182 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| ROBOTTI ROBERT | 1105838 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 126986 | 859695 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| NORTHERN TRUST CORP | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28717 | 194414 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| GOLDMAN SACHS GROUP INC | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14337 | 97061 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Glenorchy Capital Ltd | 2008506 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 68488 | 463666 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| COMMONWEALTH EQUITY SERVICES, LLC | 312272 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 22496 | 152300 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| FMR LLC | 315066 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1194 | 8083 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| JONES FINANCIAL COMPANIES LLLP | 815917 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1060 | 6763 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Mraz, Amerine & Associates, Inc. | 1542324 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24385 | 165086 | — | — | — | Jul 16, 2026 | SEC_13F_DATASET |
| SBI Securities Co., Ltd. | 1851815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1611 | 10906 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| SEI INVESTMENTS CO | 350894 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 199365 | 1349701 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Larson Financial Group LLC | 1731061 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 858 | 5809 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| IMC-Chicago, LLC | 1452861 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 38700 | 261999 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| HUB Investment Partners, LLC | 1841815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10000 | 67700 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| MCGUIRE CAPITAL ADVISORS INC | 2112006 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 750 | 5078 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| XTX Topco Ltd | 1828301 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13435 | 90955 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HARBOUR INVESTMENTS, INC. | 810121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 515 | 3487 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| TOTH FINANCIAL ADVISORY CORP | 866780 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100 | 677 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| Vestmark Advisory Solutions, Inc. | 1736982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24313 | 164599 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Capital Advisors, Ltd. LLC | 1597878 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 122 | 1 | — | — | — | Jul 16, 2026 | SEC_13F_DATASET |
| Cambridge Investment Research Advisors, Inc. | 1419186 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 29865 | 202 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| Kingsview Wealth Management, LLC | 1791965 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31283 | 211786 | — | — | — | Aug 19, 2026 | SEC_13F_DATASET |
| RENAISSANCE TECHNOLOGIES LLC | 1037389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 44299 | 299904 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 861177 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25 | 169 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| GROUP ONE TRADING LLC | 932540 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1500 | 10155 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Buck Wealth Strategies, LLC | 1973259 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20 | 135 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1377 | 9321 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| EagleClaw Capital Managment, LLC | 1607636 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50015 | 338602 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| SIGNATUREFD, LLC | 1456048 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 54 | 366 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 79693 | 539522 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CoreCap Advisors, LLC | 1902501 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 500 | 3385 | — | — | — | Jul 6, 2026 | SEC_13F_DATASET |
| ELEVATION POINT WEALTH PARTNERS, LLC | 1744349 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24313 | 164599 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Strategic Wealth Partners, Ltd. | 1720777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100 | 677 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Vanguard Global Advisers, LLC | 1811242 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5026 | 34026 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | 1818604 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 400 | 2700 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 163075 | 1104018 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| State Street Corporation | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 163075 | 1104018000 | — | — | — | Sep 22, 2026 | SEC_13F_HR |
| Goldman Sachs Group Inc. | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11463 | 77605000 | — | — | — | Aug 14, 2026 | SEC_13F_HR |
| SEI Investments Co | 350894 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 199365 | 1349701000 | — | — | — | Aug 14, 2026 | SEC_13F_HR |
| Northern Trust Corp | 73124 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28717 | 194414000 | — | — | — | Aug 13, 2026 | SEC_13F_HR |
| Blackrock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3181 | 21535000 | — | — | — | Aug 7, 2026 | SEC_13F_HR |
| De Lisle Partners LLP | 2011184 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 147133 | 998297 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1175 | 7955 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 135528 | 918155 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| GSA CAPITAL PARTNERS LLP | 1362033 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15498 | 105 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Farther Finance Advisors, LLC | 1992825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 184 | 1246 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| GRACE & WHITE INC /NY | 903064 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 673236 | 4557808 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| Tannin Capital LLC | 2110834 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 19657 | 133078 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| ACADIAN ASSET MANAGEMENT LLC | 916542 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42713 | 286 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.