HARBOR CAPITAL ADVISORS, INC.

Position in MTDR — Matador Resources Co

CIK 1039128 CHICAGO, IL

Position in MTDR

as of Mar 31, 2026 · filed Apr 28, 2026 Compact

Position Value

$3,030,491

+$1,721,812 QoQ

Shares Held

47,966

+55.6% QoQ

Ownership

0.039%

of shares outstanding

% of Portfolio

0.28%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2023

10 quarters on record

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

Energy · as of Mar 31, 2026

HARBOR CAPITAL ADVISORS, INC. holds $22,602,460 across 27 Oil & Gas E&P names. MTDR ranks #3 (13.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MGY	Magnolia Oil & Gas Corp	113,121	$3,571,229
2	MUR	Murphy Oil Corp	86,451	$3,566,103
3	MTDR	Matador Resources Co This page	47,966	$3,030,491
4	APA	APA Corp	66,602	$2,826,588
5	VTS	Vitesse Energy, Inc.	123,555	$2,243,758
6	CRC	California Resources Corp	29,909	$2,070,300
7	KOS	Kosmos Energy Ltd.	653,420	$1,816,507
8	OXY	Occidental Petroleum Corp /De/	20,246	$1,315,990

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,030,491	47,966	+55.6%	Shares	Sole	2026-04-28
2025-12-31	$1,308,679	30,836	+184.9%	Shares	Sole	2026-01-20
2025-09-30	$486,367	10,825	-71.1%	Shares	Sole	2025-10-15
2025-06-30	$1,785,062	37,407	+0.5%	Shares	Sole	2025-07-09
2025-03-31	$1,901,723	37,223	+6.3%	Shares	Sole	2025-04-14
2024-12-31	$1,969,268	35,003	+26.6%	Shares	Sole	2025-01-10
2024-09-30	$1,366,413	27,649	+113.5%	Shares	Sole	2024-10-29
2024-06-30	$771,998	12,953	+292.5%	Shares	Sole	2024-07-09
2024-03-31	$220,341	3,300	+770.7%	Shares	Sole	2024-05-13
2023-06-30	$19,829	379	—	Shares	Sole	2023-07-11
No filing history on record for this holder in this stock.