Geospace Technologies Corp
GEOS- Exchange
- Nasdaq
- Industry
- Measuring & Controlling Devices, NEC
- SEC CIK
- 0001001115
No open-market purchases or sales by Geospace Technologies Corp insiders were filed in the last 90 days; 82 institutions reported holding it in 13F filings for Q2 2026, worth $34.9M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Geospace Technologies Corp as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 82
- −2 vs. Q1 2026
- Shares held
- 5.15M
- −1.57M (−23.3%) vs. Q1 2026
- Total value
- $34.9M
- −$47.1M (−57.5%) vs. Q1 2026
- New holders
- 19
- 23 more added
- Sold out
- 21
- 22 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GEOS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 82 | $34.9M |
| Q1 2026 | 86 | $82.0M |
| Q4 2025 | 84 | $120.9M |
| Q3 2025 | 69 | $133.7M |
| Q2 2025 | 64 | $104.4M |
| Q1 2025 | 61 | $58.5M |
| Q4 2024 | 72 | $85.1M |
| Q3 2024 | 72 | $87.2M |
| Q2 2024 | 68 | $76.2M |
| Q1 2024 | 70 | $107.6M |
| Q4 2023 | 64 | $98.6M |
| Q3 2023 | 45 | $75.8M |
| Q2 2023 | 37 | $43.0M |
| Q1 2023 | 37 | $37.9M |
| Q4 2022 | 35 | $21.9M |
| Q3 2022 | 30 | $28.3M |
| Q2 2022 | 35 | $33.6M |
| Q1 2022 | 42 | $44.0M |
| Q4 2021 | 45 | $53.3M |
| Q3 2021 | 46 | $76.7M |
| Q2 2021 | 50 | $66.4M |
| Q1 2021 | 49 | $70.4M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Geospace Technologies Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Optiver Holding B.V. | 6 | $41 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 15 | $102 | 0.00% | 00.0% | Unchanged |
| Buck Wealth Strategies, LLC | 20 | $135 | 0.00% | +20 | New |
| UBS Asset Management Americas Inc | 25 | $169 | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 27 | $182 | 0.00% | +27 | New |
| Caitong International Asset Management Co., Ltd | 31 | $210 | 0.00% | +25+416.7% | Added |
| Signaturefd, LLC | 54 | $366 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 76 | $515 | 0.00% | −23,366−99.7% | Reduced |
| Toth Financial Advisory Corp | 100 | $677 | 0.00% | 00.0% | Unchanged |
| Triumph Capital Management | 100 | $677 | 0.00% | 00.0% | Unchanged |
| Strategic Wealth Partners, Ltd. | 100 | $677 | 0.00% | +100 | New |
| Capital Advisors, Ltd. LLC | 122 | $1.00K | 0.00% | 00.0% | Unchanged |
| Kingdom Financial Group LLC. | 176 | $1.19K | 0.00% | −18−9.3% | Reduced |
| Farther Finance Advisors, LLC | 184 | $1.25K | 0.00% | −8−4.2% | Reduced |
| Hurley Capital, LLC | 206 | $1.40K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 232 | $1.57K | 0.00% | 00.0% | Unchanged |
| Nemes Rush Group LLC | 280 | $1.90K | 0.00% | +280 | New |
| Royal Bank of Canada | 357 | $2.00K | 0.00% | −109−23.4% | Reduced |
| Aventura Private Wealth, LLC | 300 | $2.03K | 0.00% | −85−22.1% | Reduced |
| International Assets Investment Management, LLC | 400 | $2.70K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 500 | $3.38K | 0.00% | −450−47.4% | Reduced |
| Harbour Investments, Inc. | 515 | $3.49K | 0.00% | +10+2.0% | Added |
| MCF Advisors LLC | 740 | $5.01K | 0.00% | +740 | New |
| Parvin Asset Management, LLC | 750 | $5.08K | 0.00% | 00.0% | Unchanged |
| McGuire Capital Advisors Inc | 750 | $5.08K | 0.00% | +750 | New |
| Larson Financial Group LLC | 858 | $5.81K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 1,060 | $6.76K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 1,075 | $7.28K | 0.00% | −1,500−58.3% | Reduced |
| FMR LLC | 1,194 | $8.08K | 0.00% | +85+7.7% | Added |
| Advisor Group Holdings, Inc. | 1,377 | $9.32K | 0.00% | −266−16.2% | Reduced |
| JPMorgan Chase & Co | 1,621 | $10.6K | 0.00% | +1,621 | New |
| SBI Securities Co., Ltd. | 1,611 | $10.9K | 0.00% | −195−10.8% | Reduced |
| Simplex Trading, LLC | 2,075 | $14.0K | 0.00% | +1,679+424.0% | Added |
| The PNC Financial Services Group, Inc. | 4,000 | $27.1K | 0.00% | +2,000+100.0% | Added |
| SRS Capital Advisors, Inc. | 4,660 | $31.5K | 0.00% | +4,660 | New |
| Vanguard Global Advisers, LLC | 5,026 | $34.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 7,336 | $49.7K | 0.00% | +5,935+423.6% | Added |
| TCG Advisory Services, LLC | 10,000 | $67.7K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 12,448 | $84.3K | 0.00% | +2,270+22.3% | Added |
| Invesco Ltd. | 12,680 | $85.8K | 0.00% | +12,680 | New |
| XTX Topco Ltd | 13,435 | $91.0K | 0.00% | +13,435 | New |
| Morgan Stanley | 15,255 | $103.3K | 0.00% | −1,263−7.6% | Reduced |
| Gsa Capital Partners LLP | 15,498 | $105.0K | 0.01% | +15,498 | New |
| Moors & Cabot, Inc. | 19,500 | $132.0K | 0.01% | −171,100−89.8% | Reduced |
| Axq Capital, LP | 19,637 | $132.9K | 0.01% | +19,637 | New |
| Tannin Capital LLC | 19,657 | $133.1K | 0.09% | +2,448+14.2% | Added |
| Empowered Funds, LLC | 20,291 | $137.4K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 21,271 | $144.0K | 0.00% | +21,271 | New |
| Commonwealth Equity Services, LLC | 22,496 | $152.3K | 0.00% | +611+2.8% | Added |
| IMC-Chicago, LLC | 23,132 | $156.6K | 0.00% | +9,634+71.4% | Added |
| Mount Yale Investment Advisors, LLC | 24,313 | $164.6K | 0.00% | −42−0.2% | Reduced |
| Vestmark Advisory Solutions, Inc. | 24,313 | $164.6K | 0.00% | 00.0% | Unchanged |
| Mraz, Amerine & Associates, Inc. | 24,385 | $165.1K | 0.02% | +304+1.3% | Added |
| Goldman Sachs Group Inc | 25,800 | $174.7K | 0.00% | +25,800 | New |
| American Century Companies Inc | 28,201 | $190.9K | 0.00% | −1,118−3.8% | Reduced |
| Northern Trust Corp | 28,717 | $194.4K | 0.00% | −11,879−29.3% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 29,865 | $202.0K | 0.00% | −14,432−32.6% | Reduced |
| HRT Financial LP | 30,656 | $207.0K | 0.00% | +30,656 | New |
| Kingsview Wealth Management, LLC | 31,283 | $211.8K | 0.00% | +2,961+10.5% | Added |
| Susquehanna International Group, LLP | 33,029 | $223.6K | 0.00% | −113,366−77.4% | Reduced |
| Jacobs Levy Equity Management, Inc | 35,573 | $240.8K | 0.00% | +35,573 | New |
| Ironwood Investment Management LLC | 36,279 | $245.6K | 0.08% | +237+0.7% | Added |
| Acadian Asset Management LLC | 42,713 | $286.0K | 0.00% | +42,713 | New |
| Renaissance Technologies LLC | 44,299 | $299.9K | 0.00% | +44,299 | New |
| EagleClaw Capital Managment, LLC | 50,015 | $338.6K | 0.05% | −32,000−39.0% | Reduced |
| Citadel Advisors LLC | 58,018 | $392.8K | 0.00% | +25,300+77.3% | Added |
| Glenorchy Capital Ltd | 68,488 | $463.7K | 0.29% | −104,851−60.5% | Reduced |
| Vanguard Fiduciary Trust Co | 76,586 | $518.5K | 0.00% | +521+0.7% | Added |
| Bridgeway Capital Management, LLC | 79,693 | $539.5K | 0.01% | +900+1.1% | Added |
| Two Sigma Investments, LP | 82,184 | $556.4K | 0.00% | +8,277+11.2% | Added |
| Robotti Robert | 128,436 | $869.5K | 0.14% | +128,436 | New |
| De Lisle Partners LLP | 147,133 | $998.3K | 0.11% | 00.0% | Unchanged |
| State Street Corp | 163,075 | $1.10M | 0.00% | +26,222+19.2% | Added |
| Geode Capital Management, LLC | 164,180 | $1.11M | 0.00% | +12,026+7.9% | Added |
| SEI Investments Co | 199,365 | $1.35M | 0.00% | −211,541−51.5% | Reduced |
| US Bancorp | 212,766 | $1.44M | 0.00% | +85,632+67.4% | Added |
| BlackRock, Inc. | 231,765 | $1.57M | 0.00% | +6,197+2.7% | Added |
| Marshall Wace, LLP | 301,916 | $2.04M | 0.00% | +113,110+59.9% | Added |
| Dimensional Fund Advisors LP | 392,423 | $2.66M | 0.00% | −98,593−20.1% | Reduced |
| Vanguard Capital Management LLC | 515,067 | $3.49M | 0.00% | −61,965−10.7% | Reduced |
| Grace & White Inc | 673,236 | $4.56M | 0.72% | +200,035+42.3% | Added |
| Tieton Capital Management, LLC | 907,265 | $6.14M | 1.77% | −4,853−0.5% | Reduced |
| Disciplined Growth Investors Inc | 0 | $0 | 0.00% | −1,101,426−100.0% | Sold out |
| First Eagle Investment Management, LLC | 0 | $0 | 0.00% | −240,000−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −107,386−100.0% | Sold out |
| 683 Capital Management, LLC | 0 | $0 | 0.00% | −39,252−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −22,293−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −21,909−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −18,060−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −16,282−100.0% | Sold out |
| Essex Investment Management Co LLC | 0 | $0 | 0.00% | −13,636−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −11,866−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −11,100−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −10,335−100.0% | Sold out |
| Close Asset Management Ltd | 0 | $0 | 0.00% | −1,600−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −1,126−100.0% | Sold out |
| Truvestments Capital LLC | 0 | $0 | 0.00% | −745−100.0% | Sold out |
| Covestor Ltd | 0 | $0 | 0.00% | −728−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −439−100.0% | Sold out |