Westport Asset Management Inc.

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 14, 2025), Westport Asset Management Inc. reported 73 stock positions worth $208.9 million. Its top holding was Synopsys (SNPS) at 11.8% of the portfolio, followed by Willis Towers Watson (WTW, 10.4%) and Zebra Technologies Class A (ZBRA, 6.3%). Compared with Q3 2024, it opened 1 new position, sold out of 2, added to 1 and reduced 1. The biggest buy was a new position in Vertex Pharmaceuticals (VRTX) and the biggest sale Rogers (ROG, shares −6%).

Most Recent 13F
Q2 2026
Location
SOUTHPORT, CT
CIK
0000811454
Portfolio Value
$208.9M (Q4 2024)
SEC Filing
0001398344-25-002785 ↗ filed Feb 14, 2025

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 $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 Q2 2026

Holdings 73 stocks · $208.9M

SNPS Synopsys Inc. 11.85% 51,000 $24.8M No change
WTW Willis Towers Watson PLC 10.38% 69,234 $21.7M No change
ZBRA Zebra Technologies Corp. Class A 6.35% 34,335 $13.3M No change
UHS Universal Health Services-B 5.59% 65,059 $11.7M No change
DEVRY ED GROUP INC filed as Adtalem Global Education Inc. 5.47% 125,759 $11.4M No change
MTG Mgic Investment Corp. 4.98% 439,013 $10.4M No change
DRI Darden Restaurants Inc. 3.13% 35,000 $6.5M No change
ORCL Oracle Corp. 3.03% 38,000 $6.3M No change
CHKP Check Point Software Tech 2.89% 32,300 $6.0M No change
PTC PTC Inc. 2.74% 31,100 $5.7M No change
IPGP Ipg Photonics Corp. 2.70% 77,500 $5.6M No change
URI United Rentals Inc. 2.70% 8,000 $5.6M No change
EOG EOG Resources Inc. 2.28% 38,889 $4.8M No change
GOOG Alphabet Inc. Class C 2.19% 24,000 $4.6M No change
EEM iShares MSCI Emerging Market 2.00% 100,000 $4.2M No change
RDN Radian Group Inc. 1.98% 130,371 $4.1M No change
UBER Uber Technologies Inc. 1.81% 62,577 $3.8M No change
LIN Linde PLC 1.80% 9,000 $3.8M No change
CARR Carrier Global Corp. 1.71% 52,400 $3.6M No change
RSG Republic Services Inc. 1.44% 15,000 $3.0M No change
RHP Ryman Hospitality Properties 1.25% 25,000 $2.6M No change
CHTR Charter Communications Inc. Class A 1.24% 7,559 $2.6M No change
ROK Rockwell Automation Inc. 1.23% 9,000 $2.6M No change
ROST Ross Stores Inc. 1.23% 17,000 $2.6M No change
TSBK Timberland Bancorp Inc. 1.18% 80,909 $2.5M No change
AKAM Akamai Technologies Inc. 1.14% 25,000 $2.4M No change
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 1.05% 10,000 $2.2M No change
ROG Rogers Corp. 0.99% 20,456 $2.1M Reduce -5.5%
CACI Caci International Inc. Class A 0.97% 5,000 $2.0M No change
UNP Union Pacific Corp. 0.96% 8,800 $2.0M No change
EXP Eagle Materials Inc. 0.94% 8,000 $2.0M No change
AMZN Amazon.com Inc. 0.92% 8,720 $1.9M No change
NSC Norfolk Southern Corp. 0.67% 6,000 $1.4M No change
TXN Texas Instruments Inc. 0.54% 6,026 $1.1M No change
WBD Warner Bros Discovery Inc. 0.48% 95,800 $1.0M No change
SKX Skechers USA Inc. Class A 0.48% 15,000 $1.0M No change
VRTX Vertex Pharmaceuticals Inc. 0.48% 2,500 $1.0M New
BIO Bio-Rad Laboratories-A 0.47% 3,000 $986K No change
AZN Astrazeneca PLC-Spons ADR 0.47% 15,000 $983K No change
GILD Gilead Sciences Inc. 0.44% 10,000 $924K No change
CVS CVS Health Corp. 0.38% 17,772 $798K No change
LITE Lumentum Holdings Inc. 0.38% 9,500 $798K No change
FMC FMC Corp. 0.35% 15,000 $729K No change
T AT&T Inc. 0.35% 31,919 $727K No change
APD Air Products & Chemicals Inc. 0.35% 2,500 $725K No change
ANSS Ansys Inc. 0.32% 2,000 $675K No change
MDU Mdu Resources Group Inc. 0.30% 35,000 $631K Add +133.3%
VRNT Verint Systems Inc. 0.30% 22,500 $618K No change
FCPT Four Corners Property Trust 0.26% 19,998 $543K No change
NTR Nutrien Ltd. 0.24% 11,150 $499K No change
RTX RTX Corp. 0.23% 4,127 $478K No change
ABT Abbott Laboratories 0.22% 4,000 $452K No change
IPG Interpublic Group of Cos Inc. 0.19% 14,000 $392K No change
CGNT Cognyte Software Ltd. 0.19% 45,000 $389K No change
ADM Archer-Daniels-Midland Co. 0.18% 7,500 $379K No change
OXY Occidental Petroleum Corp. 0.17% 7,232 $357K No change
CRWD CrowdStrike Holdings Inc. Class A 0.16% 1,000 $342K No change
COHR Coherent Inc. 0.16% 3,500 $332K No change
ZTS Zoetis Inc. 0.16% 2,000 $326K No change
AVGO Broadcom Inc. 0.15% 1,312 $304K No change
S Sentinelone Inc. Class A 0.13% 12,500 $278K No change
ECG Everus Construction Group 0.12% 3,750 $247K No change
TDC Teradata Corp. 0.11% 7,500 $234K No change
CP Canadian Pac Railway 0.10% 2,884 $209K No change
NEM Newmont Corp. 0.10% 5,505 $205K No change
GHC Graham Holdings Co. Class B 0.06% 150 $131K No change
THC Tenet Healthcare Corp. 0.06% 1,000 $126K No change
HAL Halliburton Co. 0.04% 3,444 $94K No change
VOD Vodafone Group PLC-SP ADR 0.04% 8,989 $76K No change
CABO Cable One Inc. 0.03% 150 $54K No change
VZ Verizon Communications Inc. 0.02% 862 $34K No change
ALTM Arcadium Lithium PLC 0.01% 4,499 $23K No change
LEE Lee Enterprises 0.00% 540 $8K No change
Other holdings (1): bonds, preferreds, convertibles and warrants · $25K (not counted above)
SecurityClassShares / PrincipalValueChange
OXY.WS Occidental Petroleum-CW27 *W EXP 08/03/202 903$25KNo change

Total filed on the 13F, all lines: $209.0M.

Portfolio Sells Q3 2024 → Q4 2024

ROG Rogers Corp. Reduce -5.5% 0.99% −0.15
CTLT Catalent Inc. Sold out 0.00% −0.11
WFC Wells Fargo & Co. Sold out 0.00% −0.03

Portfolio Buys Q3 2024 → Q4 2024

VRTX Vertex Pharmaceuticals Inc. New 0.48% +0.48
MDU Mdu Resources Group Inc. Add +133.3% 0.30% +0.20

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