DOSSIER · 13F-HR · Q1 2026

Westchester Capital Management, LLC

$2.2B in tracked AUM across 863 positions as of Q1 2026.

WC
CIK 0001512805 · last filed Mar 31, 2026
Total AUM
$2.2B
as of Q1 2026
Holdings
863
positions
Whale Score
60
60
tracked
Activity
no data
changes this Q
AI Analysis · Q1 2026
Comprehensive Analysis of Westchester Capital Management 13F Filing
Portfolio Overview

Westchester Capital Management reported a significant portfolio contraction for the period ending September 30, 2025. The total portfolio value decreased by 19.2%, falling from $1.91 billion to $1.54 billion. This decline is attributable to a combination of asset reallocation, market volatility, and substantial capital deployment into new positions. The firm maintains a diversified portfolio ...

Key Holdings

The portfolio is characterized by a high degree of concentration in its top names, with the first three positions accounting for approximately 27.4% of the total assets.

  • Mr. Cooper Group Inc (07WA): This is the largest holding, comprising 10.05% of the portfolio ($155.18M). The firm significantly increased its stake by 47.7% (adding $80.82M), demonstrating strong conviction in the financial services sector, specifically in the mortgage origination and servicing space.
  • CyberArk Software Ltd: A new position and the second-largest holding, representing 8.70% of the portfolio ($134.32M). This substantial allocation of nearly 278,000 shares suggests a tactical pivot towards cybersecurity, likely viewing the sector as a defensive growth play given the current macro environment.
  • SPDR S&P 500 ETF (SPY): The third-largest holding at 8.63% ($133.24M). While the firm reduced this position by 20.0%, it remains a core liquidity and beta management tool.
  • Chart Industries (GTLS): Another major new entry in the industrials sector, accounting for 7.12% ($109.95M). This indicates a strategic bet on the energy and industrial gas supply chain.

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
EA
ELECTRONIC ARTS INC
$148M725K6.7%
02
NSC
NORFOLK SOUTHN CORP
$144M502K6.5%
03
WBD
WARNER BROS DISCOVERY INC
$144M5.2M6.5%
04
WBS
WEBSTER FINL CORP
$127M1.8M5.8%
05
GTLS
CHART INDS INC
$103M496K4.6%
06
SPY
STATE STR SPDR S&P 500 ETF T
$98M150K4.4%
07
UNF
UNIFIRST CORP MASS
$65M258K2.9%
08
CWAN
CLEARWATER ANALYTICS HLDGS I
$62M2.6M2.8%
09
CTRA
COTERRA ENERGY INC
$56M1.6M2.5%
10
DBRG
DIGITALBRIDGE GROUP INC
$45M2.9M2.1%

Filing history

2026Q1Mar 31
$2.2B 7.3%
863 positionsView →
2025Q4Dec 31
$2.4B 54.2%
778 positionsView →
2025Q3Sep 30
$1.5B 19.2%
584 positionsView →
2025Q2Jun 30
$1.9B 38.7%
511 positionsLocked
2025Q1Mar 31
$1.4B 25.1%
310 positionsLocked
2024Q4Dec 31
$1.8B 21.5%
393 positionsLocked
2024Q3Sep 30
$2.3B 12.0%
458 positionsLocked
2024Q2Jun 30
$2.7B 2.2%
558 positionsLocked
2024Q1Mar 31
$2.7B 4.7%
630 positionsLocked
2023Q4Dec 31
$2.9B 16.6%
691 positionsLocked
2023Q3Sep 30
$3.4B 7.7%
857 positionsLocked
2023Q2Jun 30
$3.2B 3.6%
901 positionsLocked
Showing 12 of 60