GEOS · Insider trading · 13F holders · Congress trades
Geospace Technologies Corp Com (GEOS)
Who is buying and selling GEOS: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 3
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
GEOS at a glance
- No open-market insider purchases or sales of GEOS were filed in the last 90 days.
- 3 13F filers hold GEOS among their 50 largest positions, worth $10.9M combined. The biggest bets by portfolio weight are Tieton Capital Management, LLC (1.8%), Grace & White Inc /ny (0.6%) and Robotti Robert (0.1%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in GEOS.
GEOS insider trading
No open-market insider purchases or sales of GEOS were filed in the last 90 days.
Who owns GEOS? Hedge funds and superinvestors
3 13F filers hold GEOS among their 50 largest positions, worth $10.9M combined. The biggest bets by portfolio weight are Tieton Capital Management, LLC (1.8%), Grace & White Inc /ny (0.6%) and Robotti Robert (0.1%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Tieton Capital Management, LLCAsset manager | 1.8% | $6.1M | 907,265 | -0.5% shares | Q2 2026 |
| Grace & White Inc /nyInvestment manager | 0.6% | $3.9M | 793,498 | +17.9% shares | Q3 2026 |
| Robotti RobertInvestment manager | 0.1% | $870K | 128,436 | — | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 2). Screen GEOS in the grand portfolio →
GEOS stock trades by members of Congress
No member of Congress has disclosed a trade in GEOS.
GEOS questions and answers
Are insiders buying GEOS stock?
No open-market insider purchases or sales of GEOS were filed in the last 90 days.
Which hedge funds own GEOS?
3 13F filers hold GEOS among their 50 largest positions, worth $10.9M combined. The biggest bets by portfolio weight are Tieton Capital Management, LLC (1.8%), Grace & White Inc /ny (0.6%) and Robotti Robert (0.1%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Has Congress traded GEOS?
No member of Congress has disclosed a trade in GEOS.
Who is the largest holder of GEOS?
Among 13F filers, Tieton Capital Management, LLC reports the largest GEOS position, $6.1M (907,265 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Tieton Capital Management, LLC's: 1.8% of its portfolio.
Cite or share this
Free to use with a link back. The data updates every filing day.