Skip to main content

O'Brien Greene & Co. Inc

Position in CNR — Core Natural Resources, Inc.

CIK 1768635 MEDIA, PA

Position in CNR

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$572,383
-$86,997 QoQ
Shares Held
7,153
+13.6% QoQ
Ownership
0.014%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#192
of 355 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CNR Over Time

Shares Held

Position Value (USD)

Position in Thermal Coal

Energy · as of Jun 30, 2026

O'Brien Greene & Co. Inc holds $1,008,883 across 2 Thermal Coal names. CNR ranks #1 (56.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CNR
Core Natural Resources, Inc.
This page
7,153 $572,383

All Filings in CNR

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $572,383 7,153
2026-03-31 $659,380 6,296
2025-12-31 $416,970 4,711