DOSSIER · 13F-HR · Q2 2026

Westchester Capital Management, Inc.

$555M in tracked AUM across 46 positions as of Q2 2026.

WC
CIK 0001390063 · last filed Jun 30, 2026
Total AUM
$555M
as of Q2 2026
Holdings
46
positions
Whale Score
63
63
tracked
Activity
no data
changes this Q
AI Analysis · Q2 2026

SEC 13F Filing Analysis: Westchester Capital Management, Inc. Report Period: Q3 2025 (Report Date: September 30, 2025)

1. Portfolio Overview

The most striking feature of this filing is the dramatic contraction in portfolio size. Westchester Capital Management reduced its total assets under management (AUM) in this specific filing by 60.5%, dropping from approximately $424.97 million in the previous quarter to $168.03 million. This reduction was driven by a combination of...

The portfolio is currently highly concentrated. The top four holdings—JPMorgan Chase, Alphabet, AbbVie, and Waste Management—account for approximately 57.3% of the total portfolio value. This suggests a shift away from broad diversification toward a "high conviction" strategy, where the manager has chosen to allocate capital heavily into a select group of names while exiting other positions entirely. Additionally, the inclusion of small positions in Vanguard Short-Term Corporate Bond (VCSH) and Treasury ETFs (VGSH) indicates a portion of the capital is being parked in cash equivalents, likely awaiting redeployment or reflecting a defensive posture.

2. Key Holdings

The current portfolio is dominated by large-cap, blue-chip companies across defensive and cyclical sectors:

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
CAT
Caterpillar, Inc.
$59M56K10.7%
02
AAPL
Apple, Inc.
$44M153K8.0%
03
GOOGL
Alphabet, Inc. Class A - Formerly Google A
$37M103K6.6%
04
BRK/B
Berkshire Hathaway Class B
$29M57K5.2%
05
CSCO
Cisco Systems, Inc.
$28M241K5.1%
06
WMT
Wal-Mart, Inc.
$28M246K5.0%
07
MSFT
Microsoft Corporation
$27M73K4.9%
08
JPM
JP Morgan Chase
$27M82K4.8%
09
ABBV
AbbVie, Inc.
$26M103K4.7%
10
BK
The Bank of New York Mellon Corporation
$25M176K4.6%

Filing history

2026Q2Jun 30
$555M 14.8%
46 positionsView →
2025Q4Dec 31
$484M 187.9%
43 positionsView →
2025Q3Sep 30
$168M 60.5%
16 positionsView →
2025Q2Jun 30
$425M 5.7%
39 positionsLocked
2025Q1Mar 31
$402M 1.2%
39 positionsLocked
2024Q4Dec 31
$398M 3.4%
41 positionsLocked
2024Q3Sep 30
$412M 3.9%
41 positionsLocked
2024Q2Jun 30
$396M 0.6%
41 positionsLocked
2024Q1Mar 31
$398M 7.2%
41 positionsLocked
2023Q4Dec 31
$372M 6.4%
44 positionsLocked
2023Q3Sep 30
$349M 2.8%
44 positionsLocked
2023Q2Jun 30
$359M 3.3%
44 positionsLocked
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