Geospace TechnologiesGEOS
13F holders, Q3 2025 (September 30)69holders +6
17new positions
11sold out
3famous investors
$18.96avg. 13F price*
At the end of Q3 2025, 69 institutions reported holding Geospace Technologies Corp. (GEOS) in their 13F filings, up 6 from Q2 2025. 17 opened new positions and 11 sold out. The largest holders were Disciplined Growth Investors Inc. ($21.9M), Tieton Capital Management, LLC ($16.8M) and Moors & Cabot, Inc. ($13.6M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Geospace Technologies Corp.
- CUSIP
- 37364X109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 17 | $3.8M |
| Exits | 11 | $1.6M |
All 13F filers, Q2 2025 → Q3 2025: 421,659 shares bought and 694,062 shares sold, net −272,403 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 69 holders
| Disciplined Growth Investors Inc. | 0.40% | Reduce -7.3% | 1,153,589 | $21.9M |
| Tieton Capital Management, LLC | 5.85% | Add +3.4% | 888,336 | $16.8M |
| Moors & Cabot, Inc. | 0.59% | Reduce -6.5% | 714,750 | $13.6M |
| Vanguard Group Inc. | 0.00% | Reduce -3.7% | 634,463 | $12.0M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -7.5% | 628,404 | $11.9M |
| First Eagle Investment Management, LLC | 0.02% | Add +2.6% | 522,864 | $9.9M |
| Grace & White Inc. | 1.07% | Reduce -4.8% | 314,546 | $6.0M |
| BlackRock, Inc. | 0.00% | Reduce -49.8% | 207,165 | $3.9M |
| Glenorchy Capital Ltd | 2.51% | Reduce -6.0% | 182,260 | $3.5M |
| Susquehanna International Group, LLP | 0.00% | Add +80.8% | 146,744 | $2.8M |
| De Lisle Partners LLP | 0.34% | No change | 144,234 | $2.7M |
| Geode Capital Management, LLC | 0.00% | Add +1.0% | 142,600 | $2.7M |
| Bridgeway Capital Management, LLC | 0.06% | Add +5.4% | 138,619 | $2.6M |
| US Bancorp \de | 0.00% | No change | 124,034 | $2.4M |
| Millennium Management | 0.00% | Reduce -17.3% | 120,854 | $2.3M |
| American Century Companies Inc. | 0.00% | Reduce -8.3% | 85,531 | $1.6M |
| Peapod Lane Capital LLC | 1.44% | Reduce -33.7% | 85,004 | $1.6M |
| Empowered Funds, LLC | 0.01% | Add +12.5% | 64,203 | $1.2M |
| EagleClaw Capital Managment, LLC | 0.16% | Add +69.2% | 61,150 | $1.2M |
| State Street Corp. | 0.00% | Add +12.7% | 57,689 | $1.1M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 53,499 | $1.0M |
| Citadel Advisors | 0.00% | New | 50,822 | $964K |
| Royal Bank of Canada | 0.00% | Reduce -3.5% | 49,146 | $932K |
| Informed Momentum Co LLC | 0.10% | Add +20.0% | 45,837 | $869K |
| Northern Trust Corp. | 0.00% | Reduce -3.1% | 39,724 | $753K |
| Two Sigma Investments, LP | 0.00% | Add +142.1% | 36,976 | $701K |
| Ironwood Investment Management LLC | 0.30% | Reduce -0.8% | 36,856 | $699K |
| Jane Street Group, LLC | 0.00% | New | 35,956 | $682K |
| Squarepoint Ops LLC | 0.00% | Reduce -10.2% | 26,803 | $508K |
| Renaissance Technologies | 0.00% | Reduce -45.1% | 24,800 | $470K |
| AlphaQuest LLC | 0.03% | New | 24,726 | $469K |
| Bank of America Corp. | 0.00% | Add +86.1% | 24,277 | $460K |
| Mraz, Amerine & Associates, Inc. | 0.07% | No change | 24,081 | $457K |
| Cubist Systematic Strategies, LLC | 0.01% | New | 22,770 | $432K |
| Gsa Capital Partners LLP | 0.03% | Add +53.6% | 21,727 | $412K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -42.1% | 18,271 | $346K |
| Wells Fargo & Company | 0.00% | Add +144.6% | 15,226 | $289K |
| Acadian Asset Management LLC | 0.00% | Reduce -12.1% | 14,142 | $268K |
| Essex Investment Management Co. LLC | 0.04% | No change | 13,636 | $259K |
| HRT Financial LP | 0.00% | Reduce -28.8% | 10,805 | $204K |
| Morgan Stanley | 0.00% | Add +3.1% | 7,539 | $143K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 7,000 | $133K |
| Barclays PLC | 0.00% | Add +576000.0% | 5,761 | $109K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.02% | New | 5,371 | $102K |
| BNP Paribas Financial Markets | 0.00% | Add +670.8% | 3,453 | $65K |
| UBS Group AG | 0.00% | Add +22.4% | 2,351 | $45K |
| Aventura Private Wealth, LLC | 0.01% | New | 1,700 | $32K |
| SBI Securities Co., Ltd. | 0.00% | Add +14530.0% | 1,463 | $28K |
| FMR LLC | 0.00% | Reduce -4.8% | 1,111 | $21K |
| Quantbot Technologies LP | 0.00% | New | 1,073 | $20K |
| Osaic Holdings, Inc. | 0.00% | Reduce -5.6% | 1,038 | $20K |
| Group One Trading LLC | 0.00% | Reduce -10.4% | 996 | $19K |
| Advisory Services Network, LLC | 0.00% | New | 650 | $12K |
| Allworth Financial LP | 0.00% | New | 540 | $10K |
| CoreCap Advisors, LLC | 0.00% | New | 500 | $9K |
| Rhumbline Advisers | 0.00% | Reduce -26.8% | 439 | $8K |
| Citigroup Inc. | 0.00% | Reduce -92.7% | 419 | $8K |
| Farther Finance Advisors, LLC | 0.00% | New | 317 | $6K |
| Sunbelt Securities, Inc. | 0.00% | No change | 300 | $6K |
| Jones Financial Companies LLLP | 0.00% | Add +107.7% | 135 | $3K |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 122 | $2K |
| REAP Financial Group, LLC | 0.00% | No change | 100 | $2K |
| Signaturefd, LLC | 0.00% | New | 54 | $1K |
| Cwm, LLC | 0.00% | Reduce -84.4% | 61 | $1K |
| Root Financial Partners, LLC | 0.00% | New | 34 | $645 |
| Point72 (DIFC) Ltd | 0.00% | New | 27 | $507 |
| Optiver Holding B.V. | 0.00% | New | 6 | $114 |
| Harbour Investments, Inc. | 0.00% | New | 5 | $95 |
| IFP Advisors, Inc | 0.00% | Add +0.0% | 3 | $57 |
"% of holder's portfolio" is GEOS's weight in each manager's 13F, not the share of Geospace Technologies Corp. the manager owns.