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 2021
Institutional positions in Geospace Technologies Corp as of Sep 30, 2021. 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
- 46
- −3 vs. Q2 2021
- Shares held
- 8.04M
- −170.8K (−2.1%) vs. Q2 2021
- Total value
- $76.7M
- +$10.3M (+15.5%) vs. Q2 2021
- New holders
- 2
- 10 more added
- Sold out
- 5
- 18 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Geospace Technologies Corp; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Disciplined Growth Investors Inc | 1,512,658 | $14.4M | 0.29% | 00.0% | Unchanged |
| FMR LLC | 1,177,466 | $11.2M | 0.00% | −137,000−10.4% | Reduced |
| Dimensional Fund Advisors LP | 688,255 | $6.57M | 0.00% | −43,078−5.9% | Reduced |
| Tieton Capital Management, LLC | 601,665 | $5.75M | 3.13% | −18,680−3.0% | Reduced |
| Vanguard Group Inc | 588,435 | $5.62M | 0.00% | 00.0% | Unchanged |
| Rutabaga Capital Management LLC | 569,571 | $5.44M | 2.63% | +118,342+26.2% | Added |
| Heartland Advisors Inc | 500,000 | $4.78M | 0.29% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 384,775 | $3.68M | 0.23% | +66,500+20.9% | Added |
| Bridgeway Capital Management, LLC | 323,700 | $3.09M | 0.06% | +5,337+1.7% | Added |
| Franklin Resources Inc | 290,312 | $2.77M | 0.00% | +30,463+11.7% | Added |
| BlackRock Inc. | 250,690 | $2.40M | 0.00% | −1,892−0.7% | Reduced |
| Millennium Management LLC | 211,895 | $2.02M | 0.00% | −57,704−21.4% | Reduced |
| Victory Capital Management Inc | 193,924 | $1.85M | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 122,045 | $1.17M | 0.00% | +1,962+1.6% | Added |
| D. E. Shaw & Co., Inc. | 78,464 | $749.0K | 0.00% | −8,860−10.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 73,812 | $705.0K | 0.00% | −14,291−16.2% | Reduced |
| RBF Capital, LLC | 71,922 | $687.0K | 0.04% | 00.0% | Unchanged |
| Pinnacle Associates Ltd | 52,866 | $505.0K | 0.01% | −270−0.5% | Reduced |
| State Street Corp | 51,759 | $494.0K | 0.00% | −2,200−4.1% | Reduced |
| Northern Trust Corp | 47,899 | $457.0K | 0.00% | −3,249−6.4% | Reduced |
| Ironwood Investment Management LLC | 40,506 | $387.0K | 0.20% | +130.0% | Added |
| Bank of New York Mellon Corp | 32,354 | $309.0K | 0.00% | −585−1.8% | Reduced |
| Mraz, Amerine & Associates, Inc. | 28,070 | $268.0K | 0.07% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 22,455 | $214.0K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 21,281 | $201.0K | 0.00% | −4,649−17.9% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 18,031 | $172.0K | 0.00% | −2,500−12.2% | Reduced |
| Marquette Asset Management, LLC | 17,661 | $169.0K | 0.04% | 00.0% | Unchanged |
| Morgan Stanley | 15,834 | $152.0K | 0.00% | −9,991−38.7% | Reduced |
| Arrowstreet Capital, Limited Partnership | 15,500 | $148.0K | 0.00% | −13,700−46.9% | Reduced |
| Parametric Portfolio Associates LLC | 14,838 | $142.0K | 0.00% | −419−2.7% | Reduced |
| Simplex Trading, LLC | 7,751 | $65.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 4,329 | $41.0K | 0.00% | +3,072+244.4% | Added |
| Tower Research Capital LLC (TRC) | 1,453 | $14.0K | 0.00% | +1,051+261.4% | Added |
| Founders Capital Management | 1,000 | $10.0K | 0.01% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 790 | $8.00K | 0.00% | +790 | New |
| Gemmer Asset Management LLC | 678 | $6.00K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 622 | $6.00K | 0.00% | +257+70.4% | Added |
| UBS Group AG | 465 | $4.00K | 0.00% | −1,116−70.6% | Reduced |
| Godsey & Gibb Associates | 200 | $2.00K | 0.00% | +200 | New |
| BNP Paribas Arbitrage, SA | 130 | $1.24K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 83 | $1.00K | 0.00% | −10−10.8% | Reduced |
| The PNC Financial Services Group, Inc. | 192 | $1.00K | 0.00% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 105 | $1.00K | 0.00% | +36+52.2% | Added |
| Captrust Financial Advisors | 74 | $1.00K | 0.00% | 00.0% | Unchanged |
| Eaton Vance Management | 4,254 | $0 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −41,198−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −25,303−100.0% | Sold out |
| Hancock Whitney Corp | 0 | $0 | 0.00% | −10,826−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −1,266−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| First Horizon Corp | – | – | – | – | Not filed |