WESTPORT ASSET MANAGEMENT INC — 13F Holdings & Portfolio
CIK 811454 · latest 13F-HR filed 2026-08-11
WESTPORT ASSET MANAGEMENT INC manages $244.9M in 13F-reported U.S. long-equity assets across 80 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SNPS (9.41%), WTW (7.39%), CVSA (6.40%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 2 new positions, exited 0, added to 37, and trimmed 20.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
SOUTHPORT, CT 06890
$244.9M
Long-equity book
80
Distinct positions
2026-06-30
Filed 2026-08-11
+2 / −0 / ↑37 / ↓20
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- United Rentals Inc$3.2M +55.5%
- Synopsys Inc$2.6M +12.5%
- Coherent Inc$2.1M +65.6%
- Zebra Technologies Corp$1.9M +25.9%
- Alphabet Inc$1.6M +23.2%
Top Trims
- Willis Towers Watson PLC-$2.0M -10.1%
- Universal Health Services Inc-$2.0M -16.9%
- PTC Inc-$898.2K -20.3%
- EOG Resources Inc-$577.1K -10.3%
- Charter Communications Inc-$556.9K -34.1%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | Synopsys Inc | SNPS | 871607107 | $23.1M | 9.41% | 51,679 | SH |
| 2 | Willis Towers Watson PLC | WTW | G96629103 | $18.1M | 7.39% | 69,234 | SH |
| 3 | Covista Inc | CVSA | 00737L103 | $15.7M | 6.40% | 125,759 | SH |
| 4 | MGIC Investment Corp | MTG | 552848103 | $12.4M | 5.06% | 439,013 | SH |
| 5 | Universal Health Services Inc | UHS | 913903100 | $9.7M | 3.95% | 65,059 | SH |
| 6 | IPG Photonics Corp | IPGP | 44980X109 | $9.1M | 3.71% | 77,500 | SH |
| 7 | United Rentals Inc | URI | 911363109 | $9.1M | 3.70% | 8,000 | SH |
| 8 | Zebra Technologies Corp | ZBRA | 989207105 | $9.0M | 3.69% | 34,335 | SH |
| 9 | Alphabet Inc | GOOG | 02079K107 | $8.5M | 3.46% | 24,000 | SH |
| 10 | Lumentum Holdings Inc | LITE | 55024U109 | $8.2M | 3.33% | 9,500 | SH |
| 11 | Darden Restaurants Inc | DRI | 237194105 | $7.2M | 2.94% | 35,000 | SH |
| 12 | iShares MSCI Emerging Markets | EEM | 464287234 | $6.8M | 2.79% | 100,000 | SH |
| 13 | Oracle Corp | ORCL | 68389X105 | $5.6M | 2.27% | 38,000 | SH |
| 14 | Coherent Inc | CLX | 192479103 | $5.3M | 2.17% | 13,500 | SH |
| 15 | EOG Resources Inc | EOG | 26875P101 | $5.0M | 2.06% | 38,889 | SH |
| 16 | Radian Group Inc | RDN | 750236101 | $4.9M | 2.01% | 130,371 | SH |
| 17 | Linde PLC | LIN | G5494J103 | $4.7M | 1.91% | 9,000 | SH |
| 18 | Uber Technologies Inc | UBER | 90353T100 | $4.5M | 1.84% | 62,577 | SH |
| 19 | Rockwell Automation Inc | ROK | 773903109 | $4.5M | 1.82% | 9,000 | SH |
| 20 | Check Point Software Technolog | CHKP | M22465104 | $4.2M | 1.73% | 32,300 | SH |
| 21 | Carrier Global Corp | CARR | 14448C104 | $3.8M | 1.57% | 52,400 | SH |
| 22 | Timberland Bancorp Inc/WA | TSBK | 887098101 | $3.6M | 1.48% | 80,909 | SH |
| 23 | Ross Stores Inc | ROST | 778296103 | $3.6M | 1.48% | 17,000 | SH |
| 24 | PTC Inc | PTC | 69370C100 | $3.5M | 1.44% | 31,100 | SH |
| 25 | Rogers Corp | ROG | 775133101 | $3.3M | 1.37% | 20,456 | SH |
| 26 | Akamai Technologies, Inc. | AKAM | 00971T101 | $3.3M | 1.34% | 27,700 | SH |
| 27 | Ryman Hospitality Properties I | RHP | 78377T107 | $3.2M | 1.31% | 25,000 | SH |
| 28 | Republic Services Inc | RSG | 760759100 | $3.2M | 1.31% | 15,000 | SH |
| 29 | International Business Machine | IBM | 459200101 | $2.8M | 1.15% | 10,000 | SH |
| 30 | Union Pacific Corp | UNP | 907818108 | $2.4M | 0.98% | 8,800 | SH |
| 31 | CACI International Inc | CACI | 127190304 | $2.3M | 0.95% | 5,000 | SH |
| 32 | Vertiv Holdings Co. | VRT | 92537N108 | $2.0M | 0.82% | 6,000 | SH |
| 33 | Norfolk Southern Corp | NSC | 655844108 | $1.9M | 0.77% | 6,000 | SH |
| 34 | Warner Bros. Discovery, Inc. | WBD | 934423104 | $1.9M | 0.76% | 69,822 | SH |
| 35 | CVS Health Corp | CVS | 126650100 | $1.8M | 0.75% | 17,772 | SH |
| 36 | Eagle Materials Inc | EXP | 26969P108 | $1.8M | 0.73% | 8,000 | SH |
| 37 | Texas Instruments Inc | TXN | 882508104 | $1.8M | 0.73% | 6,026 | SH |
| 38 | Verisk Analytics Inc | VRSK | 92345Y106 | $1.5M | 0.62% | 8,500 | SH |
| 39 | AstraZeneca PLC | AZN | 046353108 | $1.4M | 0.58% | 7,500 | SH |
| 40 | Gilead Sciences Inc | GILD | 375558103 | $1.3M | 0.52% | 10,000 | SH |
| 41 | Vertex Pharmaceuticals Inc | VRTX | 92532F100 | $1.2M | 0.51% | 2,500 | SH |
| 42 | S&P Global Inc | SPGI | 78409V104 | $1.2M | 0.47% | 3,000 | SH |
| 43 | Charter Communications Inc | CHTR | 16119P108 | $1.1M | 0.44% | 7,559 | SH |
| 44 | Zscaler Inc | ZS | 98980G102 | $1.1M | 0.43% | 7,500 | SH |
| 45 | Amazon.com Inc | AMZN | 023135106 | $886.6K | 0.36% | 3,720 | SH |
| 46 | Bio-Rad Laboratories Inc | BIO | 090572207 | $880.8K | 0.36% | 3,000 | SH |
| 47 | Waters Corp | WAT | 941848103 | $876.8K | 0.36% | 2,338 | SH |
| 48 | Electronic Arts Inc. | EA | 285512109 | $820.2K | 0.33% | 4,000 | SH |
| 49 | Raytheon Technologies Corp | RTX | 75513E101 | $783.0K | 0.32% | 4,127 | SH |
| 50 | MDU Resources Group Inc | MDU | 552690109 | $742.4K | 0.30% | 35,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-11 | $244.9M | 80 | 0001398344-26-013971 |
| 2026-03-31 | 2026-05-15 | $226.5M | 78 | 0001398344-26-009311 |
| 2025-12-31 | 2026-02-04 | $239.7M | 75 | 0001398344-26-002171 |
| 2025-09-30 | 2025-11-12 | $239.8M | 75 | 0001398344-25-020710 |