Yorktown Management & Research Co Inc

Position in WTTR — Select Water Solutions, Inc.

CIK 1313559 Forest, VA

Position in WTTR

as of Jun 30, 2026 · filed Jul 23, 2026 Compact

Position Value

$388,611

+$91,026 QoQ

Shares Held

19,450

0.0% QoQ

Ownership

0.014%

of shares outstanding

% of Portfolio

0.26%

of 13F equity value

Holder Rank

#174

of 264 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

Yorktown Management & Research Co Inc holds $1,940,280 across 5 Oil & Gas Equipment & Services names. WTTR ranks #2 (20.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KGS	Kodiak Gas Services, Inc.	7,500	$563,475
2	WTTR	Select Water Solutions, Inc. This page	19,450	$388,611
3	WBI	WaterBridge Infrastructure LLC	10,600	$363,262
4	WHD	Cactus, Inc.	6,950	$356,048
5	FLOC	Flowco Holdings Inc.	12,600	$268,884

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$388,611	19,450	0.0%	Shares	Sole	2026-07-23
2026-03-31	$297,585	19,450	—	Shares	Sole	2026-04-20
No filing history on record for this holder in this stock.