13F Insight
DOSSIER · 13F-HR · Q2 2026

COOPERMAN LEON G

$3.5B in tracked AUM across 39 positions as of Q2 2026.

CL
CIK 0000898382 · last filed Jun 30, 2026
Total AUM
$3.5B
as of Q2 2026
Holdings
39
—
positions
Whale Score
72
72
strong
Activity
—
no data
changes this Q
AI Analysis · Q2 2026
Portfolio Overview

The filing for Cooperman Leon G (Omega Advisors) as of September 30, 2025, reveals a portfolio undergoing significant consolidation and risk management. The total portfolio value decreased by 23.1%, dropping from $2.85 billion to $2.19 billion. This reduction is driven not only by potential market depreciation but by a substantial reduction in the number of holdings. The firm narrowed its focus from a broader universe to just 23 positions, exiting 18 securities during the ...

Key Holdings

The portfolio is dominated by a few high-conviction positions that represent outsized bets on specific sectors.

  • MR COOPER GROUP INC (07WA): This is the crown jewel of the portfolio, representing 27.54% ($602.99M). This massive concentration indicates an extremely high conviction thesis on the financial services/mortgage sector.
  • VERTIV HOLDINGS CO (VRT): The second-largest holding at 14.87% ($325.52M) provides significant exposure to the digital infrastructure and data center cooling theme, aligning with broader technology trends.
  • ENERGY TRANSFER LP (ET): Comprising 10.27% ($224.71M), this utility/energy giant offers a yield-oriented component to the portfolio, balancing the higher growth potential of the top two holdings.
  • MIRION TECHNOLOGIES INC (MIR): At 8.91% ($195M), this is a major position in the healthcare technology space, reflecting a focus on niche industrial and medical applications.
Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
VRT
VERTIV HOLDINGS CO
$722M2.2M20.4%02
RKT
ROCKET COS INC
$331M21.0M9.3%03
ET
ENERGY TRANSFER LP
$255M13.3M7.2%04
G3398L118
PELAGOS INSURANCE CAPITAL LT
$207M8.5M5.8%05
CMPO
GPGI INC
$180M11.4M5.1%06
MP
MP MATERIALS CORP
$168M3.0M4.7%07
APO
APOLLO GLOBAL MANAGEMENT INC
$158M1.3M4.5%08
MIR
MIRION TECHNOLOGIES INC
$150M8.4M4.2%09
OMF
ONEMAIN HOLDINGS INC
$130M2.1M3.7%10
ASH
ASHLAND INC
$125M1.9M3.5%

Filing history

2026Q2Jun 30
$3.5B▲ 16.4%
39 positionsView →2026Q1Mar 31
$3.0B▲ 1.1%
41 positionsView →2025Q4Dec 31
$3.0B▲ 37.7%
40 positionsView →2025Q3Sep 30
$2.2B▼ 23.1%
23 positionsView →2025Q2Jun 30
$2.8B▲ 14.0%
40 positionsLocked2025Q1Mar 31
$2.5B▼ 5.6%
40 positionsLocked2024Q4Dec 31
$2.6B▲ 12.2%
45 positionsLocked2024Q3Sep 30
$2.4B▼ 0.7%
40 positionsLocked2024Q2Jun 30
$2.4B▼ 1.3%
52 positionsLocked2024Q1Mar 31
$2.4B▲ 14.3%
51 positionsLocked2023Q4Dec 31
$2.1B▲ 10.0%
50 positionsLocked2023Q3Sep 30
$1.9B▲ 3.6%
54 positionsLocked
Showing 12 of 91