FRONTIER CAPITAL MANAGEMENT CO LLC

Position in MTDR — Matador Resources Co

CIK 351173 Boston, MA

Position in MTDR

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

Position Value

$52,016,473

+$19,774,424 QoQ

Shares Held

823,306

+8.4% QoQ

Ownership

0.663%

of shares outstanding

% of Portfolio

0.54%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2023

12 quarters on record

Voting authority Sole 70.80210760033329.ToString("F0")% Shared 0.ToString("F0")% None 29.19789239966671.ToString("F0")%

Energy · as of Mar 31, 2026

FRONTIER CAPITAL MANAGEMENT CO LLC holds $214,275,494 across 6 Oil & Gas E&P names. MTDR ranks #2 (24.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AR	ANTERO RESOURCES Corp	1,349,237	$57,261,618
2	MTDR	Matador Resources Co This page	823,306	$52,016,473
3	GPOR	Gulfport Energy Corp	221,949	$46,957,749
4	PR	Permian Resources Corp	2,071,205	$44,158,090
5	RRC	Range Resources Corp	297,521	$13,441,998
6	CTRA	Coterra Energy Inc.	12,509	$439,566

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$52,016,473	823,306	+8.4%	Shares	Sole	2026-05-15
2025-12-31	$32,242,049	759,709	+4.6%	Shares	Sole	2026-02-17
2025-09-30	$32,619,000	725,996	+4.1%	Shares	Sole	2025-11-14
2025-06-30	$33,291,810	697,649	-1.0%	Shares	Sole	2025-08-14
2025-03-31	$36,010,735	704,849	-0.8%	Shares	Sole	2025-05-15
2024-12-31	$39,993,377	710,867	-0.8%	Shares	Sole	2025-02-14
2024-09-30	$35,428,654	716,889	+9.3%	Shares	Sole	2024-11-14
2024-06-30	$39,074,415	655,611	+11.1%	Shares	Sole	2024-08-14
2024-03-31	$39,386,087	589,877	+0.6%	Shares	Sole	2024-05-15
2023-12-31	$33,337,472	586,308	-1.6%	Shares	Sole	2024-02-14
2023-09-30	$35,428,964	595,645	+93.4%	Shares	Sole	2023-11-14
2023-06-30	$16,111,996	307,951	—	Shares	Sole	2023-08-14
No filing history on record for this holder in this stock.