Driehaus Capital Management LLC

Position in REPX — Riley Exploration Permian, Inc.

CIK 938206 Chicago, IL

Position in REPX

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$2,895,503

-$13,278,054 QoQ

Shares Held

87,849

-80.2% QoQ

Ownership

0.397%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#38

of 196 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 77% Shared 0% None 23%

Energy · as of Jun 30, 2026

Driehaus Capital Management LLC holds $124,928,431 across 4 Oil & Gas E&P names. REPX ranks #3 (2.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VIST	Vista Energy, S.A.B. de C.V.	1,259,484	$80,355,079
2	MTDR	Matador Resources Co	828,648	$41,250,097
3	REPX	Riley Exploration Permian, Inc. This page	87,849	$2,895,503
4	EQT	EQT Corp	8,045	$427,752

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,895,503	87,849	-80.2%	Shares	Sole	2026-08-14
2026-03-31	$16,173,557	443,719	—	Shares	Sole	2026-05-15
No filing history on record for this holder in this stock.