Westport Asset Management Inc.

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 11, 2026), Westport Asset Management Inc. reported 80 stock positions worth $244.9 million. Its top holding was Synopsys (SNPS) at 9.4% of the portfolio, followed by Willis Towers Watson (WTW, 7.4%) and Covista (CVSA, 6.4%). Compared with Q1 2026, it opened 2 new positions, added to 3 and reduced 1. The biggest buy was Zscaler (ZS, shares +67%) and the biggest sale Everus Construction (ECG, shares −27%).

Most Recent 13F
Q2 2026
Location
SOUTHPORT, CT
CIK
0000811454
Portfolio Value
$244.9M (Q2 2026)
SEC Filing
0001398344-26-013971 ↗ filed Aug 11, 2026

Holdings Value

0$50.0M$100.0M$150.0M$200.0M$250.0M Q1 2024: $200.2M Q1 2024 Q2 2024: $199.8M Q2 2024 Q3 2024: $213.3M Q3 2024 Q4 2024: $208.9M Q4 2024 Q1 2025: $206.2M Q1 2025 Q2 2025: $226.3M Q2 2025 Q3 2025: $239.8M Q3 2025 Q4 2025: $239.7M Q4 2025 Q1 2026: $226.5M Q1 2026 Q2 2026: $244.9M $244.9M Q2 2026

Holdings 80 stocks · $244.9M

SNPS Synopsys Inc. 9.41% 51,679 $23.1M No change
WTW Willis Towers Watson PLC 7.39% 69,234 $18.1M No change
CVSA Covista Inc. 6.40% 125,759 $15.7M No change
MTG Mgic Investment Corp. 5.06% 439,013 $12.4M No change
UHS Universal Health Services-B 3.95% 65,059 $9.7M No change
IPGP Ipg Photonics Corp. 3.71% 77,500 $9.1M No change
URI United Rentals Inc. 3.70% 8,000 $9.1M No change
ZBRA Zebra Technologies Corp. Class A 3.69% 34,335 $9.0M No change
GOOG Alphabet Inc. Class C 3.46% 24,000 $8.5M No change
LITE Lumentum Holdings Inc. 3.33% 9,500 $8.2M No change
DRI Darden Restaurants Inc. 2.94% 35,000 $7.2M No change
EEM iShares MSCI Emerging Market 2.79% 100,000 $6.8M No change
ORCL Oracle Corp. 2.27% 38,000 $5.6M No change
COHR Coherent Inc. 2.17% 13,500 $5.3M No change
EOG EOG Resources Inc. 2.06% 38,889 $5.0M No change
RDN Radian Group Inc. 2.01% 130,371 $4.9M No change
LIN Linde PLC 1.91% 9,000 $4.7M No change
UBER Uber Technologies Inc. 1.84% 62,577 $4.5M No change
ROK Rockwell Automation Inc. 1.82% 9,000 $4.5M No change
CHKP Check Point Software Tech 1.73% 32,300 $4.2M No change
CARR Carrier Global Corp. 1.57% 52,400 $3.8M No change
TSBK Timberland Bancorp Inc. 1.48% 80,909 $3.6M No change
ROST Ross Stores Inc. 1.48% 17,000 $3.6M No change
PTC PTC Inc. 1.44% 31,100 $3.5M No change
ROG Rogers Corp. 1.37% 20,456 $3.3M No change
AKAM Akamai Technologies Inc. 1.34% 27,700 $3.3M No change
RHP Ryman Hospitality Properties 1.31% 25,000 $3.2M No change
RSG Republic Services Inc. 1.31% 15,000 $3.2M No change
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 1.15% 10,000 $2.8M No change
UNP Union Pacific Corp. 0.98% 8,800 $2.4M No change
CACI Caci International Inc. Class A 0.95% 5,000 $2.3M No change
VRT Vertiv Holdings Co. Class A 0.82% 6,000 $2.0M No change
NSC Norfolk Southern Corp. 0.77% 6,000 $1.9M No change
WBD Warner Bros Discovery Inc. 0.76% 69,822 $1.9M No change
CVS CVS Health Corp. 0.75% 17,772 $1.8M No change
EXP Eagle Materials Inc. 0.73% 8,000 $1.8M No change
TXN Texas Instruments Inc. 0.73% 6,026 $1.8M No change
VRSK Verisk Analytics Inc. 0.62% 8,500 $1.5M No change
AZN Astrazeneca PLC-Spons ADR 0.58% 7,500 $1.4M No change
GILD Gilead Sciences Inc. 0.52% 10,000 $1.3M No change
VRTX Vertex Pharmaceuticals Inc. 0.51% 2,500 $1.2M No change
SPGI S&P Global Inc. 0.47% 3,000 $1.2M No change
CHTR Charter Communications Inc. Class A 0.44% 7,559 $1.1M No change
ZS Zscaler Inc. 0.43% 7,500 $1.1M Add +66.7%
AMZN Amazon.com Inc. 0.36% 3,720 $887K No change
BIO Bio-Rad Laboratories-A 0.36% 3,000 $881K No change
WAT Waters Corp. 0.36% 2,338 $877K No change
EA Electronic Arts Inc. 0.33% 4,000 $820K No change
RTX RTX Corp. 0.32% 4,127 $783K No change
MDU Mdu Resources Group Inc. 0.30% 35,000 $742K No change
APD Air Products & Chemicals Inc. 0.30% 2,500 $733K No change
T AT&T Inc. 0.27% 31,919 $661K No change
ADM Archer-Daniels-Midland Co. 0.23% 7,500 $573K No change
NEM Newmont Corp. 0.21% 5,505 $514K No change
AVGO Broadcom Inc. 0.20% 1,312 $496K No change
FCPT Four Corners Property Trust 0.20% 19,998 $491K No change
CGNT Cognyte Software Ltd. 0.20% 55,000 $483K Add +22.2%
ECG Everus Construction Group 0.19% 2,750 $456K Reduce -26.7%
APH Amphenol Corp. Class A 0.18% 2,500 $441K No change
OXY Occidental Petroleum Corp. 0.16% 8,135 $395K No change
BDX Becton Dickinson and Co. 0.15% 2,500 $378K No change
J Jacobs Solutions Inc. 0.15% 3,000 $378K No change
ABT Abbott Laboratories 0.15% 4,000 $363K No change
OMC Omnicom Group 0.14% 4,816 $351K No change
ZTS Zoetis Inc. 0.12% 4,000 $287K Add +100.0%
TDC Teradata Corp. 0.11% 7,500 $260K No change
CP Canadian Pac Railway 0.10% 2,884 $250K No change
ELAN Elanco Animal Health Inc. 0.10% 10,000 $246K No change
S Sentinelone Inc. Class A 0.09% 12,500 $212K No change
CRWD CrowdStrike Holdings Inc. Class A 0.08% 1,000 $191K No change
THC Tenet Healthcare Corp. 0.08% 1,000 $187K No change
FMC FMC Corp. 0.07% 15,000 $173K No change
GHC Graham Holdings Co. Class B 0.07% 150 $171K No change
HON Honeywell International Inc. 0.07% 750 $168K New
HONA Honeywell Aerospace Inc. 0.07% 750 $166K New
VOD Vodafone Group PLC-SP ADR 0.05% 8,989 $119K No change
HAL Halliburton Co. 0.05% 3,444 $117K No change
VZ Verizon Communications Inc. 0.01% 862 $36K No change
CABO Cable One Inc. 0.00% 150 $8K No change
LEE Lee Enterprises 0.00% 540 $5K No change

Portfolio Sells Q1 2026 → Q2 2026

ECG Everus Construction Group Reduce -26.7% 0.19% −0.01

Portfolio Buys Q1 2026 → Q2 2026

ZS Zscaler Inc. Add +66.7% 0.43% +0.15
HON Honeywell International Inc. New 0.07% +0.07
HONA Honeywell Aerospace Inc. New 0.07% +0.07
CGNT Cognyte Software Ltd. Add +22.2% 0.20% +0.04
ZTS Zoetis Inc. Add +100.0% 0.12% +0.01

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 80$244.9MSNPS, WTW, CVSA, MTG, UHS
Q1 2026 78$226.5MSNPS, WTW, CVSA, UHS, MTG
Q4 2025 75$239.7MSNPS, WTW, DEVRY ED GROUP INC, UHS, MTG
Q3 2025 75$239.8MSNPS, WTW, DEVRY ED GROUP INC, UHS, MTG
Q2 2025 76$226.3MSNPS, WTW, DEVRY ED GROUP INC, MTG, UHS
Q1 2025 74$206.2MWTW, SNPS, DEVRY ED GROUP INC, UHS, MTG
Q4 2024 73$208.9MSNPS, WTW, ZBRA, UHS, DEVRY ED GROUP INC
Q3 2024 73$213.3MSNPS, WTW, UHS, ZBRA, MTG
Q2 2024 74$199.8MSNPS, WTW, UHS, ZBRA, MTG
Q1 2024 72$200.2MSNPS, WTW, UHS, ZBRA, MTG