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, Q3 2025
Institutional positions in Geospace Technologies Corp as of Sep 30, 2025. 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
- 69
- +6 vs. Q2 2025
- Shares held
- 7.05M
- −272.4K (−3.7%) vs. Q2 2025
- Total value
- $133.7M
- +$29.2M (+28.0%) vs. Q2 2025
- New holders
- 17
- 20 more added
- Sold out
- 11
- 24 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding Geospace Technologies Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Disciplined Growth Investors Inc | 1,153,589 | $21.9M | 0.40% | −91,180−7.3% | Reduced |
| Tieton Capital Management, LLC | 888,336 | $16.8M | 5.85% | +29,159+3.4% | Added |
| Moors & Cabot, Inc. | 714,750 | $13.6M | 0.59% | −49,850−6.5% | Reduced |
| Vanguard Group Inc | 634,463 | $12.0M | 0.00% | −24,255−3.7% | Reduced |
| Dimensional Fund Advisors LP | 628,404 | $11.9M | 0.00% | −51,285−7.5% | Reduced |
| First Eagle Investment Management, LLC | 522,864 | $9.91M | 0.02% | +13,500+2.7% | Added |
| Grace & White Inc | 314,546 | $5.96M | 1.05% | −15,775−4.8% | Reduced |
| BlackRock, Inc. | 207,165 | $3.93M | 0.00% | −205,776−49.8% | Reduced |
| Glenorchy Capital Ltd | 182,260 | $3.46M | 2.51% | −11,624−6.0% | Reduced |
| Susquehanna International Group, LLP | 146,744 | $2.78M | 0.00% | +65,574+80.8% | Added |
| De Lisle Partners LLP | 144,234 | $2.73M | 0.33% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 142,600 | $2.70M | 0.00% | +1,474+1.0% | Added |
| Bridgeway Capital Management, LLC | 138,619 | $2.63M | 0.06% | +7,141+5.4% | Added |
| US Bancorp | 124,034 | $2.35M | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 120,854 | $2.29M | 0.00% | −25,357−17.3% | Reduced |
| American Century Companies Inc | 85,531 | $1.62M | 0.00% | −7,742−8.3% | Reduced |
| Peapod Lane Capital LLC | 85,004 | $1.61M | 1.44% | −43,122−33.7% | Reduced |
| Empowered Funds, LLC | 64,203 | $1.22M | 0.01% | +7,141+12.5% | Added |
| EagleClaw Capital Managment, LLC | 61,150 | $1.16M | 0.16% | +25,000+69.2% | Added |
| State Street Corp | 57,689 | $1.09M | 0.00% | +6,500+12.7% | Added |
| Arrowstreet Capital, Limited Partnership | 53,499 | $1.01M | 0.00% | +53,499 | New |
| Citadel Advisors LLC | 50,822 | $963.6K | 0.00% | +50,822 | New |
| Royal Bank of Canada | 49,146 | $932.0K | 0.00% | −1,777−3.5% | Reduced |
| EAM Investors, LLC | 45,837 | $869.1K | 0.10% | +7,649+20.0% | Added |
| Northern Trust Corp | 39,724 | $753.2K | 0.00% | −1,261−3.1% | Reduced |
| Two Sigma Investments, LP | 36,976 | $701.1K | 0.00% | +21,705+142.1% | Added |
| Ironwood Investment Management LLC | 36,856 | $698.8K | 0.30% | −312−0.8% | Reduced |
| Jane Street Group, LLC | 35,956 | $681.7K | 0.00% | +35,956 | New |
| Squarepoint Ops LLC | 26,803 | $508.2K | 0.00% | −3,031−10.2% | Reduced |
| Renaissance Technologies LLC | 24,800 | $470.2K | 0.00% | −20,400−45.1% | Reduced |
| Quest Partners LLC | 24,726 | $468.8K | 0.03% | +24,726 | New |
| Bank of America Corp | 24,277 | $460.3K | 0.00% | +11,234+86.1% | Added |
| Mraz, Amerine & Associates, Inc. | 24,081 | $456.6K | 0.07% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 22,770 | $431.7K | 0.01% | +22,770 | New |
| Gsa Capital Partners LLP | 21,727 | $412.0K | 0.03% | +7,585+53.6% | Added |
| Goldman Sachs Group Inc | 18,271 | $346.4K | 0.00% | −13,264−42.1% | Reduced |
| Wells Fargo & Company | 15,226 | $288.7K | 0.00% | +9,000+144.6% | Added |
| Acadian Asset Management LLC | 14,142 | $268.0K | 0.00% | −1,951−12.1% | Reduced |
| Essex Investment Management Co LLC | 13,636 | $258.5K | 0.04% | 00.0% | Unchanged |
| HRT Financial LP | 10,805 | $204.0K | 0.00% | −4,372−28.8% | Reduced |
| Morgan Stanley | 7,539 | $142.9K | 0.00% | +225+3.1% | Added |
| CIBC Private Wealth Group, LLC | 7,000 | $132.7K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 5,761 | $109.2K | 0.00% | +5,760+576,000.0% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 5,371 | $101.8K | 0.02% | +5,371 | New |
| BNP Paribas Arbitrage, SA | 3,453 | $65.5K | 0.00% | +3,005+670.8% | Added |
| UBS Group AG | 2,351 | $44.6K | 0.00% | +431+22.4% | Added |
| Aventura Private Wealth, LLC | 1,700 | $32.2K | 0.01% | +1,700 | New |
| SBI Securities Co., Ltd. | 1,463 | $27.7K | 0.00% | +1,453+14,530.0% | Added |
| FMR LLC | 1,111 | $21.1K | 0.00% | −56−4.8% | Reduced |
| Quantbot Technologies LP | 1,073 | $20.3K | 0.00% | +1,073 | New |
| Advisor Group Holdings, Inc. | 1,038 | $19.9K | 0.00% | −62−5.6% | Reduced |
| Group One Trading, L.P. | 996 | $18.9K | 0.00% | −116−10.4% | Reduced |
| Advisory Services Network, LLC | 650 | $12.3K | 0.00% | +650 | New |
| Allworth Financial LP | 540 | $10.2K | 0.00% | +540 | New |
| CoreCap Advisors, LLC | 500 | $9.48K | 0.00% | +500 | New |
| Rhumbline Advisers | 439 | $8.32K | 0.00% | −161−26.8% | Reduced |
| Citigroup Inc | 419 | $7.94K | 0.00% | −5,303−92.7% | Reduced |
| Farther Finance Advisors, LLC | 317 | $6.01K | 0.00% | +317 | New |
| Sunbelt Securities, Inc. | 300 | $5.69K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 135 | $2.58K | 0.00% | +70+107.7% | Added |
| Capital Advisors, Ltd. LLC | 122 | $2.00K | 0.00% | 00.0% | Unchanged |
| REAP Financial Group, LLC | 100 | $1.90K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 54 | $1.02K | 0.00% | +54 | New |
| CWM, LLC | 61 | $1.00K | 0.00% | −330−84.4% | Reduced |
| Root Financial Partners, LLC | 34 | $645 | 0.00% | +34 | New |
| Point72 (DIFC) Ltd | 27 | $507 | 0.00% | +27 | New |
| Optiver Holding B.V. | 6 | $114 | 0.00% | +6 | New |
| Harbour Investments, Inc. | 5 | $95 | 0.00% | +5 | New |
| IFP Advisors, Inc | 3 | $57 | 0.00% | +3 | Added |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −37,196−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −21,479−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −20,184−100.0% | Sold out |
| ARS Wealth Advisors Group, LLC | 0 | $0 | 0.00% | −12,550−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −11,578−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −6,911−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −3,569−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −2,074−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −141−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Talon Private Wealth, LLC | – | – | – | – | Not filed |