BRIDGEWAY CAPITAL MANAGEMENT, LLC

Position in DWSN — Dawson Geophysical Co

CIK 1107261 HOUSTON, TX

Position in DWSN

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$75,116

+$41,249 QoQ

Shares Held

21,710

0.0% QoQ

Ownership

0.070%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

11 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Energy · as of Mar 31, 2026

BRIDGEWAY CAPITAL MANAGEMENT, LLC holds $171,752,038 across 22 Oil & Gas Equipment & Services names. DWSN ranks #21 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LBRT	Liberty Energy Inc.	1,087,361	$31,315,996
2	NESR	National Energy Services Reunited Corp.	739,018	$15,866,716
3	WTTR	Select Water Solutions, Inc.	955,738	$14,622,791
4	VTOL	Bristow Group Inc.	279,669	$13,113,679
5	PUMP	ProPetro Holding Corp.	853,808	$12,303,373
6	INVX	Innovex International, Inc.	499,979	$12,194,487
7	RES	Rpc Inc	1,705,131	$12,072,327
8	OIS	Oil States International, Inc	832,905	$9,695,014

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$75,116	21,710	0.0%	Shares	Sole	2026-05-15
2025-12-31	$33,867	21,710	+83.8%	Shares	Sole	2026-02-17
2025-09-30	$20,785	11,810	-96.6%	Shares	Sole	2025-11-14
2021-12-31	$813,559	350,672	-13.7%	Shares	Sole	2022-02-14
2021-09-30	$1,011,978	406,417	0.0%	Shares	Sole	2021-11-15
2021-06-30	$1,060,748	406,417	+10.0%	Shares	Sole	2021-08-16
2021-03-31	$905,382	369,544	0.0%	Shares	Sole	2021-05-17
2020-12-31	$783,433	369,544	+9.6%	Shares	Sole	2021-02-16
2020-09-30	$593,549	337,244	+55.2%	Shares	Sole	2020-11-16
2020-06-30	$312,831	217,244	+22.6%	Shares	Sole	2020-08-31
2020-03-31	$171,926	177,244	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.