Geospace Technologies Corporation
Geospace Technologies Corporation (GEOS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · GEOS · as of Mar 31, 2025
Ownership Breakdown
63
Institutional Holders
▼ 9 vs Q4
$58.50M
Total Inst. Value
▼ $26.61M vs Q4
12.94M
Shares Outstanding
freeFloat 96.44%
8.11M
13F Shares Held
▼ 378,677 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
GEOS largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
DISCIPLINED GROWTH INVESTORS INC /MN measuring & controlling devices, nec | 1.27M | 9.91% | 9.91% | $9.14B | May 15, 2025 | ▼ 157.2K |
BLACKROCK, INC. measuring & controlling devices, nec | 882.0K | 6.89% | 6.89% | $6.36B | May 2, 2025 | ▼ 12.9K |
TIETON CAPITAL MANAGEMENT, LLC measuring & controlling devices, nec | 863.4K | 6.75% | 6.75% | $6.22B | May 12, 2025 | ▼ 19.4K |
MOORS & CABOT, INC. measuring & controlling devices, nec | 785.9K | 6.14% | 6.14% | $5.67B | May 8, 2025 | ▲ 39.8K |
VANGUARD GROUP INC measuring & controlling devices, nec | 736.1K | 5.75% | 5.75% | $5.31B | May 9, 2025 | ▼ 1.4K |
DIMENSIONAL FUND ADVISORS LP measuring & controlling devices, nec | 667.2K | 5.22% | 5.22% | $4.81B | May 13, 2025 | ▲ 17.3K |
FIRST EAGLE INVESTMENT MANAGEMENT, LLC measuring & controlling devices, nec | 467.9K | 3.66% | 3.66% | $3.37B | May 12, 2025 | ▲ 184.6K |
GRACE & WHITE INC /NY measuring & controlling devices, nec | 301.3K | 2.36% | 2.36% | $2.17B | Apr 22, 2025 | ▲ 85.2K |
GEODE CAPITAL MANAGEMENT, LLC measuring & controlling devices, nec | 283.7K | 2.22% | 2.22% | $2.05B | May 13, 2025 | ▼ 3.3K |
PEAPOD LANE CAPITAL LLC measuring & controlling devices, nec | 280.1K | 2.19% | 2.19% | $2.02B | Apr 30, 2025 | ▲ 26.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
16
Increased
+472.9K shares3
New Positions
first time holders25
Decreased
−474.7K shares0
Sold Out
fully exitedNet shares change (top 50)
1.8K
+472.9K / −474.7K
Net new holders
-6
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
GEOS insider trading · insider activity
Source: SEC Form 4
3
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Wheeler Walter R. director | Feb 9, 2025 | Award | 3,500 | — | — | 172.0K | Form 4 ↗ |
Miles Richard F director | Feb 9, 2026 | Award | 3,500 | — | — | 48.1K | Form 4 ↗ |
DAVIS THOMAS L director | Feb 9, 2026 | Award | 3,500 | — | — | 65.5K | Form 4 ↗ |
Giesinger Edgar R. JR. director | Feb 9, 2026 | Award | 3,500 | — | — | 43.0K | Form 4 ↗ |
Ashworth Margaret director | Feb 9, 2025 | Award | 3,500 | — | — | 34.4K | Form 4 ↗ |
JUMPER STEPHEN C director | Feb 9, 2025 | Award | 3,500 | — | — | 14.9K | Form 4 ↗ |
Bushey Ronald Todd Chief Technical Officer | Dec 2, 2025 | Tax Withhold | 275 | — | — | 12.1K | Form 4 ↗ |
Kelley Richard James President & CEO | Dec 5, 2025 | Tax Withhold | 275 | — | — | 42.0K | Form 4 ↗ |
Curda Robert L. Vice President & CFO | Dec 5, 2025 | Tax Withhold | 165 | — | — | 61.1K | Form 4 ↗ |
Bushey Ronald Todd Chief Technical Officer | Nov 25, 2025 | Award | 4,000 | — | — | 12.4K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Geospace Technologies Corporation (GEOS) is primarily owned by institutional investors, who hold approximately 62.7% of total shares outstanding. Company insiders own approximately 3.56%, while retail and public investors account for the remaining 33.71%.
The largest institutional shareholder of Geospace Technologies Corporation is DISCIPLINED GROWTH INVESTORS INC /MN, holding approximately 1.27 million shares — equal to 9.91% of outstanding shares — as of March 31, 2025.
A total of 63 institutional investors currently hold GEOS stock, with a combined institutional value of approximately $58,501,581 as of the most recent 13F filing period.
Frequently asked questions
GEOS ownershipGeospace Technologies Corporation (GEOS) is primarily owned by institutional investors, who hold approximately 62.7% of shares. The largest shareholder is DISCIPLINED GROWTH INVESTORS INC /MN with a 9.91% stake. Company insiders hold 3.56%. Data sourced from SEC Form 13F as of March 31, 2025.