Skip to main content

CASTLEARK MANAGEMENT LLC

Position in MTDR — Matador Resources Co

CIK 1106832 CHICAGO, IL

Position in MTDR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$415,663
-$111,890 QoQ
Shares Held
8,350
0.0% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#286
of 489 holders
Holding Since
Sep 2021
20 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MTDR Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas E&P

Energy · as of Jun 30, 2026

CASTLEARK MANAGEMENT LLC holds $50,617,177 across 10 Oil & Gas E&P names. MTDR ranks #9 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MTDR

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $415,663 8,350
2026-03-31 $527,553 8,350
2025-12-31 $354,374 8,350
2025-09-30 $375,165 8,350
2025-06-30 $398,462 8,350
2025-03-31 $1,397,311 27,350
2024-12-31 $1,538,711 27,350
2024-09-30 $1,351,637 27,350
2024-06-30 $7,572,180 127,050
2024-03-31 $4,602,456 68,930
2023-12-31 $3,110,242 54,700
2023-09-30 $3,253,556 54,700
2023-06-30 $1,418,395 27,110
2023-03-31 $1,876,933 39,390
2022-12-31 $6,382,260 111,500
2022-09-30 $4,970,761 101,610
2022-06-30 $5,259,079 112,880
2022-03-31 $9,350,970 176,500
2021-12-31 $5,707,832 154,600
2021-09-30 $2,031,336 53,400