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, Q1 2023
Institutional positions in Geospace Technologies Corp as of Mar 31, 2023. 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
- 37
- +2 vs. Q4 2022
- Shares held
- 5.38M
- +195.1K (+3.8%) vs. Q4 2022
- Total value
- $37.9M
- +$16.0M (+73.4%) vs. Q4 2022
- New holders
- 5
- 13 more added
- Sold out
- 3
- 7 more reduced
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Geospace Technologies Corp; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Disciplined Growth Investors Inc | 1,498,670 | $10.6M | 0.27% | −35,120−2.3% | Reduced |
| Tieton Capital Management, LLC | 768,068 | $5.42M | 3.86% | −78,744−9.3% | Reduced |
| Vanguard Group Inc | 756,168 | $5.33M | 0.00% | +395,786+109.8% | Added |
| Moors & Cabot, Inc. | 741,475 | $5.23M | 0.36% | +44,550+6.4% | Added |
| Dimensional Fund Advisors LP | 556,275 | $3.92M | 0.00% | +11,635+2.1% | Added |
| BlackRock Inc. | 242,807 | $1.71M | 0.00% | −18,070−6.9% | Reduced |
| Geode Capital Management, LLC | 125,032 | $881.5K | 0.00% | +10.0% | Added |
| Essex Investment Management Co LLC | 88,537 | $624.2K | 0.09% | 00.0% | Unchanged |
| RBF Capital, LLC | 59,802 | $421.6K | 0.03% | 00.0% | Unchanged |
| Grace & White Inc | 59,370 | $418.6K | 0.08% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 50,101 | $352.0K | 0.00% | +30,114+150.7% | Added |
| Marquette Asset Management, LLC | 47,003 | $331.4K | 0.09% | 00.0% | Unchanged |
| State Street Corp | 44,189 | $311.5K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 41,258 | $290.9K | 0.00% | +21,566+109.5% | Added |
| Ironwood Investment Management LLC | 40,946 | $288.7K | 0.18% | +3,558+9.5% | Added |
| Northern Trust Corp | 40,162 | $283.1K | 0.00% | −4,030−9.1% | Reduced |
| Perritt Capital Management Inc | 40,000 | $282.0K | 0.16% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 36,700 | $258.7K | 0.01% | −15,500−29.7% | Reduced |
| Millennium Management LLC | 33,121 | $234.0K | 0.00% | +17,321+109.6% | Added |
| Bank of New York Mellon Corp | 31,117 | $219.4K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 25,700 | $181.0K | 0.00% | +9,900+62.7% | Added |
| Mraz, Amerine & Associates, Inc. | 24,081 | $169.8K | 0.04% | +75+0.3% | Added |
| Pinnacle Associates Ltd | 14,050 | $99.1K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 7,107 | $50.1K | 0.00% | +7,079+25,282.1% | Added |
| Simplex Trading, LLC | 2,451 | $17.0K | 0.00% | +2,451 | New |
| Morgan Stanley | 1,685 | $11.9K | 0.00% | +1,506+841.3% | Added |
| Tower Research Capital LLC (TRC) | 1,492 | $11.0K | 0.00% | +134+9.9% | Added |
| Sunbelt Securities, Inc. | 300 | $2.20K | 0.00% | +300 | New |
| UBS Group AG | 205 | $1.45K | 0.00% | −258−55.7% | Reduced |
| Godsey & Gibb Associates | 200 | $1.41K | 0.00% | +200 | New |
| Capital Advisors, Ltd. LLC | 122 | $1.00K | 0.00% | 00.0% | Unchanged |
| Benjamin Edwards Inc | 75 | $1.00K | 0.00% | +75 | New |
| BNP Paribas Arbitrage, SA | 101 | $712 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 85 | $601 | 0.00% | −98−53.6% | Reduced |
| Dark Forest Capital Management LP | 82 | $578 | 0.00% | +82 | New |
| Belpointe Asset Management LLC | 79 | $557 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 5 | $35 | 0.00% | 00.0% | Unchanged |
| Franklin Resources Inc | 0 | $0 | 0.00% | −199,400−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Sofos Investments, Inc. | 0 | $0 | 0.00% | −4−100.0% | Sold out |