DWSN · Dawson Geophysical Co · Shareholders & Ownership
Market Cap
$65.22M
Shares
31.06M
Volume · Oct 21
37.77K
Avg daily vol (3M)
127.52K
Every disclosed holder of DWSN in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns DWSN
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 2,120,485 | 6.83% |
| Insiders (Forms 3, 4, 5) | 308,915 | 0.99% |
| 13D/G-only blocks | 24,658,746 | 79.40% |
| Remaining | 3,967,472 | 12.78% |
| Registered funds (N-PORT, not summed) | 442,382 | 1.42% |
Shares outstanding: 31,055,618, the issuer's latest cover-page count restated onto today's split basis.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of DWSN
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
Dan Wilks
13D
CIK 1641792 · Unknown · Oct 27, 2025
|
24,658,746 | ||
| 2 |
|
24,658,746 | ||
| 3 |
GRACE & WHITE INC /NY
13F
CIK 903064 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
702,917 | ||
| 4 |
RBF Capital, LLC
13F
CIK 1134621 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
423,797 | ||
| 5 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
156,877 | ||
| 6 |
|
151,850 | ||
| 7 |
GABELLI FUNDS LLC
13F
CIK 1081407 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
145,200 | ||
| 7.1 |
The Gabelli ABC Fund
Fund
S000001070 · Registered fund · Jun 30, 2026
Gabelli Investor Funds Inc, not summed
|
79,200 | ||
| 7.2 |
Enterprise Mergers and Acquisitions Fund
Fund
S000017793 · Registered fund · Jun 30, 2026
Gabelli 787 Fund, Inc., not summed
|
66,000 | ||
| 8 |
|
108,650 | ||
| 9 |
MARSHALL WACE, LLP
13F
CIK 1318757 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
86,797 | ||
| 10 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
83,972 | ||
| 11 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
83,645 | ||
| 12 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
72,905 | ||
| 13 |
Hillsdale Investment Management Inc.
13F
CIK 1368465 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
54,404 | ||
| 14 |
|
53,443 | ||
| 15 |
SANDERS MORRIS HARRIS LLC
13F
CIK 1053994 · Broker-dealer · Sep 30, 2026
|
45,000 | ||
| 16 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
40,178 | ||
| 17 |
GSA CAPITAL PARTNERS LLP
13F
CIK 1362033 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
35,161 | ||
| 18 |
TWO SIGMA INVESTMENTS, LP
13F
CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
34,016 | ||
| 19 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
33,220 | ||
| 20 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
30,613 | ||
| 21 |
|
28,890 | ||
| 22 |
|
28,415 | ||
| 23 |
SALEM INVESTMENT COUNSELORS INC
13F
CIK 884423 · Registered investment adviser · Sep 30, 2026
|
26,225 | ||
| 24 |
PINNACLE ASSOCIATES LTD
13F
CIK 743127 · Registered investment adviser · Sep 30, 2026
|
25,360 | ||
| 25 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
21,955 | ||
| 25.1 |
iShares Micro-Cap ETF
Fund
S000004439 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
20,811 | ||
| 26 |
Fidelity Nasdaq Composite Index Fund
Fund
S000055366 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
21,865 | ||
| 27 |
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
CIK 1107261 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
21,710 | ||
| 27.1 |
Ultra-Small Company Market Fund
Fund
S000004424 · Registered fund · Jun 30, 2026
Bridgeway Funds, Inc., not summed
|
21,710 | ||
| 28 |
|
20,000 | ||
| 29 |
Teton Advisors, LLC
13F
CIK 2086025 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
20,000 | ||
| 30 |
TETON Westwood Mighty Mites Fund
Fund
S000001084 · Registered fund · Jun 30, 2026
Teton Westwood Funds, not summed
|
20,000 | ||
| 31 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
15,496 | ||
| 32 |
KINGSWOOD WEALTH ADVISORS, LLC
13F
CIK 1987855 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
14,228 | ||
| 33 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
13,830 | ||
| 34 |
RAYMOND JAMES FINANCIAL INC
13F
CIK 720005 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
10,593 | ||
| 35 |
HRT FINANCIAL LP
13F
CIK 1475597 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
10,536 | ||
| 36 |
Fidelity Series Total Market Index Fund
Fund
S000065248 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
9,109 | ||
| 37 |
PIN OAK INVESTMENT ADVISORS INC
13F
CIK 1094584 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
7,072 | ||
| 38 |
Fidelity Total Market Index Fund
Fund
S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
6,483 | ||
| 39 |
|
5,209 | ||
| 40 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
4,226 | ||
| 41 |
Victory Extended Market Index Fund
Fund
S000012941 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
|
3,539 | ||
| 42 |
MCGUIRE CAPITAL ADVISORS INC
13F
CIK 2112006 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,000 | ||
| 43 |
1290 VT Micro Cap Portfolio
Fund
S000044688 · Registered fund · Jun 30, 2026
EQ Advisors Trust, not summed
|
1,144 | ||
| 44 |
Dimensional US Core Equity 1 ETF
Fund
S000081780 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
805 | ||
| 45 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
751 | ||
| 46 |
Allworth Financial LP
13F
CIK 1555170 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
662 | ||
| 47 |
|
406 | ||
| 48 |
Wilkerson Advisory Group LLC
13F
CIK 2079661 · Unknown · Sep 30, 2026
|
300 | ||
| 49 |
SBI Securities Co., Ltd.
13F
CIK 1851815 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
150 | ||
| 50 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
124 |
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
Showing 1–50 of 55 holders
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Key facts
CIK
799165
CUSIP
239360100
13F (30d)
5 filings
5 filers