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.
13F holders, Q2 2021
Institutional positions in Geospace Technologies Corp as of Jun 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
- 50
- +1 vs. Q1 2021
- Shares held
- 8.21M
- +498.0K (+6.5%) vs. Q1 2021
- Total value
- $66.4M
- −$3.92M (−5.6%) vs. Q1 2021
- New holders
- 5
- 14 more added
- Sold out
- 4
- 20 more reduced
Compare with Q1 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 | $35.1M |
| Q1 2026 | 86 | $82.0M |
| Q4 2025 | 84 | $120.9M |
| Q3 2025 | 69 | $133.7M |
| Q2 2025 | 64 | $105.1M |
| Q1 2025 | 61 | $59.9M |
| Q4 2024 | 72 | $85.1M |
| Q3 2024 | 72 | $87.3M |
| Q2 2024 | 68 | $76.2M |
| Q1 2024 | 70 | $108.2M |
| Q4 2023 | 64 | $98.8M |
| 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, Q2 2021
Shares, value and share of portfolio for each institution holding Geospace Technologies Corp; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Disciplined Growth Investors Inc | 1,512,658 | $12.2M | 0.23% | +150,687+11.1% | Added |
| FMR LLC | 1,314,466 | $10.6M | 0.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 731,333 | $5.92M | 0.00% | −18,922−2.5% | Reduced |
| Tieton Capital Management, LLC | 620,345 | $5.02M | 2.67% | −670−0.1% | Reduced |
| Vanguard Group Inc | 588,435 | $4.76M | 0.00% | −54,838−8.5% | Reduced |
| Heartland Advisors Inc | 500,000 | $4.04M | 0.23% | +200,000+66.7% | Added |
| Rutabaga Capital Management LLC | 451,229 | $3.65M | 1.59% | +38,817+9.4% | Added |
| Bridgeway Capital Management, LLC | 318,363 | $2.58M | 0.05% | +216,700+213.2% | Added |
| Moors & Cabot, Inc. | 318,275 | $2.58M | 0.18% | +15,700+5.2% | Added |
| Millennium Management LLC | 269,599 | $2.18M | 0.00% | −37,368−12.2% | Reduced |
| Franklin Resources Inc | 259,849 | $2.10M | 0.00% | +159,049+157.8% | Added |
| BlackRock Inc. | 252,582 | $2.04M | 0.00% | −42,743−14.5% | Reduced |
| Victory Capital Management Inc | 193,924 | $1.57M | 0.00% | −25,900−11.8% | Reduced |
| Geode Capital Management, LLC | 120,083 | $971.0K | 0.00% | +562+0.5% | Added |
| Jacobs Levy Equity Management, Inc | 88,103 | $713.0K | 0.00% | −7,865−8.2% | Reduced |
| D. E. Shaw & Co., Inc. | 87,324 | $706.0K | 0.00% | +1,233+1.4% | Added |
| RBF Capital, LLC | 71,922 | $582.0K | 0.03% | 00.0% | Unchanged |
| State Street Corp | 53,959 | $437.0K | 0.00% | +31,955+145.2% | Added |
| Pinnacle Associates Ltd | 53,136 | $430.0K | 0.01% | −600−1.1% | Reduced |
| Northern Trust Corp | 51,148 | $414.0K | 0.00% | −3,455−6.3% | Reduced |
| Renaissance Technologies LLC | 41,198 | $333.0K | 0.00% | −50,234−54.9% | Reduced |
| Ironwood Investment Management LLC | 40,493 | $328.0K | 0.17% | −849−2.1% | Reduced |
| Bank of New York Mellon Corp | 32,939 | $266.0K | 0.00% | −395−1.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 29,200 | $236.0K | 0.00% | −6,600−18.4% | Reduced |
| Mraz, Amerine & Associates, Inc. | 28,070 | $227.0K | 0.06% | −2,000−6.7% | Reduced |
| Acadian Asset Management LLC | 25,930 | $209.0K | 0.00% | +6,794+35.5% | Added |
| Morgan Stanley | 25,825 | $208.0K | 0.00% | +12,870+99.3% | Added |
| State of Tennessee, Treasury Department | 25,303 | $205.0K | 0.00% | −1,428−5.3% | Reduced |
| Assenagon Asset Management S.A. | 22,455 | $182.0K | 0.00% | 00.0% | Unchanged |
| Grantham, Mayo, Van Otterloo & Co. LLC | 20,531 | $166.0K | 0.00% | 00.0% | Unchanged |
| Marquette Asset Management, LLC | 17,661 | $143.0K | 0.03% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 15,257 | $123.0K | 0.00% | −6,476−29.8% | Reduced |
| Hancock Whitney Corp | 10,826 | $88.0K | 0.00% | +332+3.2% | Added |
| Simplex Trading, LLC | 7,751 | $62.0K | 0.00% | −755−8.9% | Reduced |
| Eaton Vance Management | 4,254 | $34.0K | 0.00% | +4,254 | New |
| UBS Group AG | 1,581 | $13.0K | 0.00% | +1,581 | New |
| JPMorgan Chase & Co | 1,266 | $10.0K | 0.00% | −3,290−72.2% | Reduced |
| Barclays PLC | 1,257 | $10.0K | 0.00% | +902+254.1% | Added |
| Founders Capital Management | 1,000 | $8.00K | 0.01% | +1,000 | New |
| First Horizon Corp | 790 | $6.00K | 0.00% | 00.0% | Unchanged |
| Gemmer Asset Management LLC | 678 | $5.00K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 365 | $3.00K | 0.00% | +119+48.4% | Added |
| Tower Research Capital LLC (TRC) | 402 | $3.00K | 0.00% | +402 | New |
| BNP Paribas Arbitrage, SA | 130 | $1.05K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 74 | $1.00K | 0.00% | −151−67.1% | Reduced |
| Wells Fargo & Company | 93 | $1.00K | 0.00% | −1−1.1% | Reduced |
| The PNC Financial Services Group, Inc. | 192 | $1.00K | 0.00% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 69 | $1.00K | 0.00% | +69 | New |
| Citigroup Inc | 30 | $0 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 4 | $0 | 0.00% | 00.0% | Unchanged |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −53,587−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −14,832−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −11,944−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −132−100.0% | Sold out |