Mattern Wealth Management LLC

Position in DVN — Devon Energy Corp/De

CIK 1802376 LAWRENCE, KS

Position in DVN

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

Position Value

$660,789

+$359,272 QoQ

Shares Held

15,992

+166.9% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.31%

of 13F equity value

Holder Rank

#756

of 1,446 holders

Holding Since

Jun 2021

20 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

Mattern Wealth Management LLC holds $1,134,638 across 2 Oil & Gas E&P names. DVN ranks #1 (58.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	DVN	Devon Energy Corp/De This page	15,992	$660,789
2	COP	Conocophillips	4,558	$473,849

20 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$660,789	15,992	+166.9%	Shares	Sole	2026-07-23
2026-03-31	$301,517	5,992	0.0%	Shares	Sole	2026-04-23
2025-12-31	$219,486	5,992	0.0%	Shares	Sole	2026-01-16
2025-09-30	$210,079	5,992	-14.3%	Shares	Sole	2025-10-20
2025-03-31	$261,500	6,992	0.0%	Shares	Sole	2025-04-23
2024-12-31	$228,848	6,992	-23.6%	Shares	Sole	2025-01-22
2024-09-30	$357,791	9,146	-12.0%	Shares	Sole	2024-10-21
2024-06-30	$492,438	10,389	-6.0%	Shares	Sole	2024-07-17
2024-03-31	$554,438	11,049	+0.0%	Shares	Sole	2024-05-14
2023-12-31	$500,383	11,046	+0.5%	Shares	Sole	2024-02-12
2023-09-30	$524,127	10,988	+32.7%	Shares	Sole	2023-11-01
2023-06-30	$400,400	8,283	-5.7%	Shares	Sole	2023-07-26
2023-03-31	$444,507	8,783	+4.7%	Shares	Sole	2023-05-05
2022-12-31	$515,945	8,388	+13.5%	Shares	Sole	2023-02-06
2022-09-30	$444,240	7,388	+1.6%	Shares	Sole	2022-11-01
2022-06-30	$400,759	7,272	+2.4%	Shares	Sole	2022-07-25
2022-03-31	$420,059	7,104	-0.5%	Shares	Sole	2022-04-14
2021-12-31	$314,428	7,138	+1.7%	Shares	Sole	2022-01-27
2021-09-30	$249,280	7,020	-75.0%	Shares	Sole	2021-10-13
2021-06-30	$818,166	28,029	—	Shares	Sole	2021-07-27
No filing history on record for this holder in this stock.