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, Q4 2025
Institutional positions in Geospace Technologies Corp as of Dec 31, 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
- 84
- +18 vs. Q3 2025
- Shares held
- 7.15M
- +129.1K (+1.8%) vs. Q3 2025
- Total value
- $120.9M
- −$12.2M (−9.2%) vs. Q3 2025
- New holders
- 28
- 22 more added
- Sold out
- 10
- 22 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Geospace Technologies Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Disciplined Growth Investors Inc | 1,131,568 | $19.1M | 0.37% | −22,021−1.9% | Reduced |
| Tieton Capital Management, LLC | 884,176 | $15.0M | 5.11% | −4,160−0.5% | Reduced |
| Vanguard Group Inc | 648,222 | $11.0M | 0.00% | +13,759+2.2% | Added |
| Moors & Cabot, Inc. | 575,950 | $9.74M | 0.42% | −138,800−19.4% | Reduced |
| Dimensional Fund Advisors LP | 544,099 | $9.20M | 0.00% | −84,305−13.4% | Reduced |
| First Eagle Investment Management, LLC | 430,273 | $7.28M | 0.01% | −92,591−17.7% | Reduced |
| Grace & White Inc | 307,795 | $5.20M | 0.93% | −6,751−2.1% | Reduced |
| Susquehanna International Group, LLP | 231,285 | $3.91M | 0.01% | +84,541+57.6% | Added |
| BlackRock, Inc. | 221,106 | $3.74M | 0.00% | +13,941+6.7% | Added |
| SEI Investments Co | 196,956 | $3.33M | 0.00% | +196,956 | New |
| Glenorchy Capital Ltd | 170,992 | $2.89M | 1.88% | −11,268−6.2% | Reduced |
| De Lisle Partners LLP | 147,133 | $2.48M | 0.32% | +2,899+2.0% | Added |
| Geode Capital Management, LLC | 146,107 | $2.47M | 0.00% | +3,507+2.5% | Added |
| US Bancorp | 127,134 | $2.15M | 0.00% | +3,100+2.5% | Added |
| State Street Corp | 125,936 | $2.13M | 0.00% | +68,247+118.3% | Added |
| Bridgeway Capital Management, LLC | 114,707 | $1.94M | 0.04% | −23,912−17.3% | Reduced |
| Millennium Management LLC | 62,020 | $1.05M | 0.00% | −58,834−48.7% | Reduced |
| EagleClaw Capital Managment, LLC | 61,150 | $1.03M | 0.15% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 60,136 | $1.02M | 0.00% | +41,865+229.1% | Added |
| Citadel Advisors LLC | 58,726 | $993.1K | 0.00% | +7,904+15.6% | Added |
| Two Sigma Investments, LP | 58,288 | $985.6K | 0.00% | +21,312+57.6% | Added |
| Cambridge Investment Research Advisors, Inc. | 58,174 | $984.0K | 0.00% | +58,174 | New |
| Skopos Labs, Inc. | 43,799 | $761.7K | 0.04% | +43,799 | New |
| Empowered Funds, LLC | 40,291 | $681.3K | 0.01% | −23,912−37.2% | Reduced |
| 683 Capital Management, LLC | 39,252 | $663.8K | 0.06% | +39,252 | New |
| Northern Trust Corp | 38,938 | $658.4K | 0.00% | −786−2.0% | Reduced |
| Peapod Lane Capital LLC | 37,817 | $639.5K | 0.54% | −47,187−55.5% | Reduced |
| Ironwood Investment Management LLC | 36,776 | $621.9K | 0.26% | −80−0.2% | Reduced |
| Qube Research & Technologies Ltd | 32,251 | $545.4K | 0.00% | +32,251 | New |
| American Century Companies Inc | 30,141 | $509.7K | 0.00% | −55,390−64.8% | Reduced |
| Quest Partners LLC | 27,604 | $466.8K | 0.03% | +2,878+11.6% | Added |
| ExodusPoint Capital Management, LP | 25,049 | $423.6K | 0.00% | +25,049 | New |
| Jane Street Group, LLC | 24,918 | $421.4K | 0.00% | −11,038−30.7% | Reduced |
| Gsa Capital Partners LLP | 24,520 | $415.0K | 0.04% | +2,793+12.9% | Added |
| Vestmark Advisory Solutions, Inc. | 24,271 | $410.4K | 0.01% | +24,271 | New |
| Mount Yale Investment Advisors, LLC | 24,271 | $410.4K | 0.02% | +24,271 | New |
| Mraz, Amerine & Associates, Inc. | 24,081 | $407.2K | 0.06% | 00.0% | Unchanged |
| Barclays PLC | 23,344 | $394.7K | 0.00% | +17,583+305.2% | Added |
| XTX Topco Ltd | 22,936 | $387.8K | 0.01% | +22,936 | New |
| Acadian Asset Management LLC | 22,058 | $372.0K | 0.00% | +7,916+56.0% | Added |
| Commonwealth Equity Services, LLC | 21,885 | $370.1K | 0.00% | +21,885 | New |
| Omers Administration Corp | 20,100 | $339.9K | 0.00% | +20,100 | New |
| Hudson Bay Capital Management LP | 18,714 | $316.5K | 0.00% | +18,714 | New |
| Morgan Stanley | 17,264 | $291.9K | 0.00% | +9,725+129.0% | Added |
| FourThought Financial Partners, LLC | 16,339 | $276.3K | 0.02% | +16,339 | New |
| Bank of America Corp | 14,665 | $248.0K | 0.00% | −9,612−39.6% | Reduced |
| Essex Investment Management Co LLC | 13,636 | $230.6K | 0.04% | 00.0% | Unchanged |
| Tannin Capital LLC | 13,545 | $229.0K | 0.20% | +13,545 | New |
| LPL Financial LLC | 13,200 | $223.2K | 0.00% | +13,200 | New |
| IMC-Chicago, LLC | 12,478 | $211.0K | 0.00% | +12,478 | New |
| Marshall Wace, LLP | 11,785 | $199.3K | 0.00% | +11,785 | New |
| Wells Fargo & Company | 10,908 | $184.5K | 0.00% | −4,318−28.4% | Reduced |
| Balyasny Asset Management LLC | 10,530 | $178.1K | 0.00% | +10,530 | New |
| Charles Schwab Investment Management Inc | 10,429 | $176.4K | 0.00% | +10,429 | New |
| UBS Group AG | 6,817 | $115.3K | 0.00% | +4,466+190.0% | Added |
| CIBC Private Wealth Group, LLC | 6,650 | $112.5K | 0.00% | −350−5.0% | Reduced |
| Tower Research Capital LLC (TRC) | 5,230 | $88.4K | 0.00% | +5,230 | New |
| Kestra Advisory Services, LLC | 3,952 | $66.8K | 0.00% | +3,952 | New |
| Citigroup Inc | 3,309 | $56.0K | 0.00% | +2,890+689.7% | Added |
| Advisor Group Holdings, Inc. | 2,365 | $40.0K | 0.00% | +1,327+127.8% | Added |
| Simplex Trading, LLC | 2,001 | $33.8K | 0.00% | +2,001 | New |
| SBI Securities Co., Ltd. | 1,290 | $21.8K | 0.00% | −173−11.8% | Reduced |
| Farther Finance Advisors, LLC | 1,180 | $20.0K | 0.00% | +863+272.2% | Added |
| FMR LLC | 1,111 | $18.8K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 950 | $16.1K | 0.00% | +450+90.0% | Added |
| BNP Paribas Arbitrage, SA | 796 | $13.5K | 0.00% | −2,657−76.9% | Reduced |
| Parvin Asset Management, LLC | 750 | $12.7K | 0.01% | +750 | New |
| Royal Bank of Canada | 711 | $12.0K | 0.00% | −48,435−98.6% | Reduced |
| International Assets Investment Management, LLC | 700 | $11.8K | 0.00% | +700 | New |
| Jones Financial Companies LLLP | 580 | $9.81K | 0.00% | +445+329.6% | Added |
| Rhumbline Advisers | 439 | $7.42K | 0.00% | 00.0% | Unchanged |
| Hazlett, Burt & Watson, Inc. | 400 | $7.00K | 0.00% | +400 | New |
| Aventura Private Wealth, LLC | 324 | $5.48K | 0.00% | −1,376−80.9% | Reduced |
| Sunbelt Securities, Inc. | 300 | $5.07K | 0.00% | 00.0% | Unchanged |
| Hurley Capital, LLC | 206 | $3.48K | 0.00% | +206 | New |
| Kingdom Financial Group LLC. | 194 | $3.28K | 0.00% | +194 | New |
| CWM, LLC | 204 | $3.00K | 0.00% | +143+234.4% | Added |
| Capital Advisors, Ltd. LLC | 122 | $2.00K | 0.00% | 00.0% | Unchanged |
| REAP Financial Group, LLC | 100 | $1.69K | 0.00% | 00.0% | Unchanged |
| Triumph Capital Management | 100 | $1.69K | 0.00% | +100 | New |
| Signaturefd, LLC | 54 | $913 | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 34 | $575 | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 6 | $101 | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 5 | $85 | 0.00% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −53,499−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −45,837−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −26,803−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −24,800−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −10,805−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −1,073−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −996−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −650−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −540−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |