Cincinnati Specialty Underwriters Insurance CO reported 44 positions worth $445.17M for the quarter ended Sep 30, 2026, up 1.9% on the prior quarter. It opened 0 new positions, added to 0, trimmed 0 and exited 0. Its largest holding is Apple Inc. at 18.9% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
No positions were added to this quarter.
No positions were reduced this quarter.
No new positions this quarter.
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | AAPL Apple Inc. | Technology | 253.1K | $84.28M | 18.93% | 0 | 0.0% | Unchanged | 0% |
| 2 | AVGO Broadcom Inc. | Technology | 174.1K | $61.15M | 13.74% | 0 | 0.0% | Unchanged | 0% |
| 3 | MSFT Microsoft Corp | Technology | 60.0K | $30.77M | 6.91% | 0 | 0.0% | Unchanged | 0% |
| 4 | ENB Enbridge Inc | Energy | 443.7K | $20.63M | 4.63% | 0 | 0.0% | Unchanged | 0.02% |
| 5 | VLO Valero Energy Corp | Energy | 44.1K | $17.11M | 3.84% | 0 | 0.0% | Unchanged | 0.02% |
| 6 | ADI Analog Devices Inc | Technology | 37.3K | $14.80M | 3.32% | 0 | 0.0% | Unchanged | 0.01% |
| 7 | CSCO Cisco Systems, Inc. | Technology | 129.5K | $13.94M | 3.13% | 0 | 0.0% | Unchanged | 0% |
| 8 | ADP Automatic Data Processing Inc | Technology | 47.0K | $12.13M | 2.72% | 0 | 0.0% | Unchanged | 0.01% |
| 9 | ABBV AbbVie Inc. | Healthcare | 45.2K | $11.82M | 2.66% | 0 | 0.0% | Unchanged | 0% |
| 10 | TMO Thermo Fisher Scientific Inc. | Healthcare | 15.8K | $10.67M | 2.4% | 0 | 0.0% | Unchanged | 0% |
| 11 | OC Owens Corning | Industrials | 83.7K | $9.77M | 2.19% | 0 | 0.0% | Unchanged | 0.1% |
| 12 | WEC Wec Energy Group, Inc. | Utilities | 95.0K | $9.57M | 2.15% | 0 | 0.0% | Unchanged | 0.03% |
| 13 | UNH Unitedhealth Group Inc | Healthcare | 26.0K | $9.54M | 2.14% | 0 | 0.0% | Unchanged | 0% |
| 14 | HD Home Depot, Inc. | Consumer Discretionary | 32.0K | $9.10M | 2.04% | 0 | 0.0% | Unchanged | 0% |
| 15 | MCHP Microchip Technology Inc | Technology | 115.0K | $8.94M | 2.01% | 0 | 0.0% | Unchanged | 0.02% |
Tip. Select a row to see that position’s full history at Cincinnati Specialty Underwriters Insurance.
As of its Q3 2026 13F filing, Cincinnati Specialty Underwriters Insurance CO’s five largest positions were Apple Inc. (AAPL) at 18.9%, Broadcom Inc. (AVGO) at 13.7%, Microsoft Corp (MSFT) at 6.9%, Enbridge Inc (ENB) at 4.6%, Valero Energy Corp (VLO) at 3.8% of the reported portfolio.
Cincinnati Specialty Underwriters Insurance CO reported a 13F portfolio worth $445.17M across 44 positions for Q3 2026. That is up 1.9% from the previous quarter.
From the Form 13F-HR reports Cincinnati Specialty Underwriters Insurance CO files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.