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 $35.1M in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −2 vs. previous quarter
- 82
- 13F valueReported value at the end of Q2 2026
- $35.1M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding GEOS, Q2 2026
No superinvestor reported holding GEOS at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Geospace Technologies Corp insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 27, 2024 (view filing) | Feb 22 | 5 daysLate | Miles Richard FDirector | SSale | −4.90K | $12.04 | −$59.0K | −11.6%37.4K after | |
| Feb 26, 2024 (view filing) | Feb 22 | 4 days | Adams Robbin B.SVP & Chief Technical Officer | SSale | −1.25K | $12.28 | −$15.3K | −1.7%73.4K after | 3 lots |
| Feb 21, 2024 (view filing) | Feb 14-20 | 7 days | Adams Robbin B.SVP & Chief Technical Officer | SSale | −2.99K | $12.30 | −$36.8K | −3.9%74.7K after | Amended2 lots |
| Feb 22, 2023 (view filing) | Feb 17-22 | 5 days | Owens Gary DDirector | PPurchase | +50.0K | $5.49 | +$274.7K | +17.4%336.8K after | 3 lots |
| Sep 7, 2022 (view filing) | Sep 2 | 5 days | Owens Gary DDirector | PPurchase | +7.00K | $5.00 | +$35.0K | +2.5%286.8K after | |
| Sep 1, 2022 (view filing) | Aug 30-Sep 1 | 2 days | Owens Gary DDirector | PPurchase | +29.6K | $4.89 | +$144.9K | +11.8%279.8K after | 3 lots |
| Aug 23, 2022 (view filing) | Aug 19-22 | 4 days | Owens Gary DDirector | PPurchase | +1.00K | $4.98 | +$4.98K | +0.4%250.2K after | 2 lots |
| Aug 17, 2022 (view filing) | Aug 15-17 | 2 days | Owens Gary DDirector | PPurchase | +49.4K | $4.84 | +$239.1K | +24.7%249.2K after | 3 lots |
| May 19, 2022 (view filing) | May 17 | 2 days | Owens Gary DDirector | PPurchase | +75.0K | $5.34 | +$400.3K | +60.1%199.8K after | 2 lots |
| Feb 28, 2022 (view filing) | Feb 24 | 4 days | Owens Gary DDirector | PPurchase | +15.1K | $5.42 | +$81.7K | +13.7%124.8K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Geospace Technologies Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tieton Capital Management, LLC | 907,265 | $6.14M | 1.77% | −4,853−0.5% | Reduced |
| Grace & White Inc | 673,236 | $4.56M | 0.72% | +200,035+42.3% | Added |
| Vanguard Capital Management LLC | 515,067 | $3.49M | 0.00% | −61,965−10.7% | Reduced |
| Dimensional Fund Advisors LP | 392,423 | $2.66M | 0.00% | −98,593−20.1% | Reduced |
| Marshall Wace, LLP | 301,916 | $2.04M | 0.00% | +113,110+59.9% | Added |
| BlackRock, Inc. | 231,765 | $1.57M | 0.00% | +6,197+2.7% | Added |
| US Bancorp | 212,766 | $1.44M | 0.00% | +85,632+67.4% | Added |
| SEI Investments Co | 199,365 | $1.35M | 0.00% | −211,541−51.5% | Reduced |
| Geode Capital Management, LLC | 164,180 | $1.11M | 0.00% | +12,026+7.9% | Added |
| State Street Corp | 163,075 | $1.10M | 0.00% | +26,222+19.2% | Added |