DWSN Dawson Geophysical Company
Dawson Geophysical Company (DWSN) Institutional Ownership
What the institutions did with DWSN last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| GRACE & WHITE INC /NY | 702.9K | 33.3% |
| RBF Capital, LLC | 423.8K | 20.1% |
| VANGUARD CAPITAL MANAGEMENT LLC | 156.9K | 7.4% |
| GABELLI FUNDS LLC | 145.2K | 6.9% |
| MARSHALL WACE, LLP | 86.8K | 4.1% |
| GEODE CAPITAL MANAGEMENT, LLC | 83.6K | 4.0% |
| Hillsdale Investment Management Inc. | 54.4K | 2.6% |
| US BANCORP \DE\ | 53.4K | 2.5% |
| CITADEL ADVISORS LLC | 40.2K | 1.9% |
| PINNACLE ASSOCIATES LTD | 38.4K | 1.8% |
| GSA CAPITAL PARTNERS LLP | 35.2K | 1.7% |
| TWO SIGMA INVESTMENTS, LP | 34.0K | 1.6% |
| VANGUARD FIDUCIARY TRUST CO | 33.2K | 1.6% |
| STATE STREET CORP | 28.9K | 1.4% |
| SALEM INVESTMENT COUNSELORS INC | 26.2K | 1.2% |
| BlackRock, Inc. | 22.0K | 1.0% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 21.7K | 1.0% |
| SANDERS MORRIS HARRIS LLC | 20.0K | 0.9% |
| Teton Advisors, LLC | 20.0K | 0.9% |
| JANE STREET GROUP, LLC | 15.5K | 0.7% |
| KINGSWOOD WEALTH ADVISORS, LLC | 14.2K | 0.7% |
| NORTHERN TRUST CORP | 13.8K | 0.7% |
| RAYMOND JAMES FINANCIAL INC | 10.6K | 0.5% |
| HRT FINANCIAL LP | 10.5K | 0.5% |
| PIN OAK INVESTMENT ADVISORS INC | 7.1K | 0.3% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| GRACE & WHITE INC /NY | Reduced | 779.1K | 702.9K | -76.2K |
| MARSHALL WACE, LLP | Increased | 41.0K | 86.8K | +45.8K |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 113.2K | 156.9K | +43.6K |
| CITADEL ADVISORS LLC | New | 0 | 40.2K | +40.2K |
| Point72 Asset Management, L.P. | Sold Out | 30.4K | 0 | -30.4K |
| SANDERS MORRIS HARRIS LLC | New | 0 | 20.0K | +20.0K |
| Hillsdale Investment Management Inc. | Increased | 34.4K | 54.4K | +20.0K |
| JANE STREET GROUP, LLC | New | 0 | 15.5K | +15.5K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Sold Out | 15.4K | 0 | -15.4K |
| Cetera Investment Advisers | Sold Out | 11.7K | 0 | -11.7K |
| OMERS ADMINISTRATION Corp | Sold Out | 11.7K | 0 | -11.7K |
| HRT FINANCIAL LP | New | 0 | 10.5K | +10.5K |
| GSA CAPITAL PARTNERS LLP | Increased | 29.2K | 35.2K | +5.9K |
| BlackRock, Inc. | Increased | 16.7K | 22.0K | +5.3K |
| UBS Group AG | Increased | 1.2K | 5.2K | +4.0K |
| NORTHERN TRUST CORP | Reduced | 17.7K | 13.8K | -3.8K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 81.2K | 83.6K | +2.5K |
| MCGUIRE CAPITAL ADVISORS INC | New | 0 | 2.0K | +2.0K |
| PINNACLE ASSOCIATES LTD | Reduced | 40.4K | 38.4K | -2.0K |
| SBI Securities Co., Ltd. | Reduced | 1.3K | 150 | -1.2K |
| Advisory Services Network, LLC | Sold Out | 1.0K | 0 | -1.0K |
| MORGAN STANLEY | New | 0 | 751 | +751 |
| TWO SIGMA INVESTMENTS, LP | Reduced | 34.6K | 34.0K | -600 |
| Tower Research Capital LLC (TRC) | Reduced | 480 | 10 | -470 |
| BARCLAYS PLC | New | 0 | 406 | +406 |
| RAYMOND JAMES FINANCIAL INC | Reduced | 10.9K | 10.6K | -300 |
| KINGSWOOD WEALTH ADVISORS, LLC | Increased | 14.0K | 14.2K | +193 |
| JPMORGAN CHASE & CO | New | 0 | 124 | +124 |
| Rialto Wealth Management, LLC | New | 0 | 112 | +112 |
| HARBOUR INVESTMENTS, INC. | New | 0 | 110 | +110 |
| Strategic Wealth Partners, Ltd. | New | 0 | 100 | +100 |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.