13F Insight
DOSSIER · 13F-HR · Q1 2026

BERKLEY W R CORP

$1.9B in tracked AUM across 345 positions as of Q1 2026.

BW
CIK 0000011544 · last filed Mar 31, 2026
Total AUM
$1.9B
as of Q1 2026
Holdings
345
—
positions
Whale Score
64
64
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026
Comprehensive Analysis of BERKLEY W R CORP SEC 13F Filing
Portfolio Overview

The filing for BERKLEY W R CORP (CIK: 0000011544) reveals a substantial contraction in portfolio value and a distinct shift in investment strategy for the quarter ending September 30, 2025. The total portfolio value decreased by 36.2%, dropping from $1.91 billion to $1.22 billion. This reduction is not solely attributable to market performance but is largely driven by significant capital reallocation, evidenced by...

Key Holdings

The portfolio's top ten holdings reflect a barbell strategy, balancing established income-generating giants with high-beta technology and speculative acquisition vehicles.

  • Energy Transfer LP (ET) and Kinder Morgan Inc (KMI) are the dominant core positions, representing 10.23% and 6.61% of the portfolio, respectively. These holdings indicate a strong preference for cash flow and yield within the energy infrastructure space.
  • Tesla Inc (TSLA) is the second-largest holding at 7.27%, representing a significant new bet on the consumer cyclical sector.
  • Visteon Corp (VC) holds a notable 3.95% weighting, providing exposure to automotive technology.
  • NVIDIA Corporation (NVDA), despite a 50% reduction during the quarter, remains a key technology holding at 3.05%.
  • Bank OZK represents the portfolio's primary exposure to the financial sector at 2.95%.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
EPD
ENTERPRISE PRODS PARTNERS L
$258M6.8M13.9%02
ET
ENERGY TRANSFER L P
$159M8.3M8.6%03
KMI
KINDER MORGAN INC DEL
$95M2.8M5.1%04
PAA
PLAINS ALL AMERN PIPELINE L
$60M2.7M3.2%05
WES
WESTERN MIDSTREAM PARTNERS L
$52M1.3M2.8%06
ON
ON SEMICONDUCTOR CORP
$45M731K2.4%07
PGR
PROGRESSIVE CORP
$41M208K2.2%08
G0131Y100
AGRICULTURE & NAT SOL ACQ CO
$30M2.6M1.6%09
G4375F108
HAYMAKER ACQUISITION CORP IV
$27M2.3M1.4%10
GBLI
GLOBAL INDEMNITY GROUP LLC
$25M920K1.3%

Filing history

2026Q1Mar 31
$1.9B▼ 12.4%
345 positionsView →2025Q4Dec 31
$2.1B▲ 74.8%
285 positionsView →2025Q3Sep 30
$1.2B▼ 36.2%
226 positionsView →2025Q2Jun 30
$1.9B▲ 60.0%
227 positionsLocked2025Q1Mar 31
$1.2B▼ 52.7%
135 positionsLocked2024Q4Dec 31
$2.5B▲ 42.6%
154 positionsLocked2024Q3Sep 30
$1.8B▼ 25.7%
153 positionsLocked2024Q2Jun 30
$2.4B▲ 31.7%
153 positionsLocked2024Q1Mar 31
$1.8B▲ 30.3%
155 positionsLocked2023Q4Dec 31
$1.4B▼ 10.0%
195 positionsLocked2023Q3Sep 30
$1.5B▼ 7.4%
213 positionsLocked2023Q2Jun 30
$1.7B▲ 5.4%
220 positionsLocked
Showing 12 of 47