13F Insight
DOSSIER · 13F Holders · Q1 2026Energy · Crude Petroleum & Natural GasMega-capCrowded
OXY

OCCIDENTAL PETE CORP

1,346 institutions still hold OCCIDENTAL PETE CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 674599105·Crude Petroleum & Natural Gas·1,346 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 0.6%
vs prior quarter
13F value held
$43.3B
71.0% inst. owned
of float
Holders
1,346
+78 QoQ
filers reporting
Activity
+86 / −24
+732 added · −845 reduced
this quarter
Concentration
39.79%
BERKSHIRE HATHAWAY INC #1
top holder share
AI Holders Summary · Q1 2026

1,346 institutions reported OXY in Q1 2026. BERKSHIRE HATHAWAY INC leads at 39.8% of the visible book. +78 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BERKSHIRE HATHAWAY INC
CIK 0001067983
$17.2B264.9M6.55%Q1 202602
DODGE & COX
CIK 0000200217
$4.8B74.1M2.65%Q1 202603
BlackRock, Inc.
CIK 0002012383
$3.4B52.6M0.06%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$3.1B47.4M0.08%Q1 202605
STATE STREET CORP
CIK 0000093751
$2.8B43.3M0.10%Q1 202606
Vanguard Portfolio Management
CIK 0002100121· Index
$2.4B36.2M0.12%Q1 202607
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$1.3B19.9M0.15%Q1 202608
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$1.3B19.4M0.08%Q1 202609
GQG Partners LLC
CIK 0001697233
$1.2B18.3M1.89%Q1 202610
MORGAN STANLEY
CIK 0000895421
$713M11.0M0.04%Q1 202611
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$712M10.9M0.09%Q1 202612
H&H International Investment, LLC
CIK 0001759760
$667M10.3M3.33%Q1 202613
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$651M10.0M0.14%Q1 202614
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$567M8.7M0.26%Q1 202615
Invesco Ltd.
CIK 0000914208
$492M7.6M0.08%Q1 202616
BANK OF AMERICA CORP /DE/
CIK 0000070858
$436M6.7M0.03%Q1 202617
NORTHERN TRUST CORP
CIK 0000073124· Index
$422M6.5M0.06%Q1 202618
CITADEL ADVISORS LLC
CIK 0001423053
$420M10.2M0.06%Q4 202519
Bank of New York Mellon Corp
CIK 0001390777
$374M5.8M0.07%Q1 202620
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$366M5.6M0.06%Q1 2026
Page 1 of 68
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