Security key
239360100
DAWSON GEOPHYSICAL CO - Common Stock, par value $0.01 per share (DWSN)
CUSIP: 239360100
Q1 2020 13F Holders as of 31 Mar 2020
- Security type / class
- Equity / Common Stock, par value $0.01 per share
- Total 13F shares
- 12,333,104
- Total 13F value
- $11,994,109
- Share change
- -643,100
- SEC-reported price per share
- $0.97
- Number of holders
- 34
- Value change
- -$1,412,115
- Number of buys
- 9
- Number of sells
- 24
- Shares outstanding
- 31,048,534
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2020
Institutions
34
Top holders
10
DWSN full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2020
Previous quarter: Q4 2019
DAWSON GEOPHYSICAL CO SEC filings
DAWSON GEOPHYSICAL CO company facts
Broader feeds
Reporting periods
Holder history for CUSIP 239360100
Recent filing periods:
Ownership snapshot
Top reported holders of DWSN - DAWSON GEOPHYSICAL CO - Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
DIMENSIONAL FUND ADVISORS LP
Disclosed value leader
DIMENSIONAL FUND ADVISORS LP
Comparable rows
15/15
Latest evidence
31 Dec 2019
13F
Lead comparable stake: 5.8%
Showing 1-6 of 15 holder rows.
Quick read
DIMENSIONAL FUND ADVISORS LP leads the comparable SEC ownership view at 5.8%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens DIMENSIONAL FUND ADVISORS LP's linked filing trail.
Comparable ownership
Top 5
DIMENSIONAL FUND ADVISORS LP
5.8%
RENAISSANCE TECHNOLOGIES LLC
5.7%
AMERIPRISE FINANCIAL INC
5.4%
GRACE & WHITE INC /NY
4.3%
SALEM INVESTMENT COUNSELORS INC
4.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
5.8%
|
$4,313,000
1,797,233 shares
|
— | 31 Dec 2019 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
5.7%
|
$4,213,000
1,755,263 shares
|
— | 31 Dec 2019 |
| AMERIPRISE FINANCIAL INC |
13F
Company
|
5.4%
|
$4,022,000
1,675,461 shares
|
— | 31 Dec 2019 |
| GRACE & WHITE INC /NY |
13F
Company
|
4.3%
|
$3,170,000
1,321,013 shares
|
— | 31 Dec 2019 |
| SALEM INVESTMENT COUNSELORS INC |
13F
Company
|
4.2%
|
$3,156,000
1,314,837 shares
|
— | 31 Dec 2019 |
| BlackRock Finance, Inc. |
13F
Company
|
3.1%
|
$2,294,000
955,853 shares
|
— | 31 Dec 2019 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
34
Shares
12,333,104
Rows available
34
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2020 vs Q4 2019 Across Filers
Q4 2019 holders
41
Q1 2020 holders
34
Holder diff
-7
| Investor | Q4 2019 Shares | Q1 2020 Shares | Share Diff | Share Chg % | Q4 2019 value | Q1 2020 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend