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Cincinnati Specialty Underwriters Insurance CO

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13F filer, CIK 1426763, FAIRFIELD, OH

Cincinnati Specialty Underwriters Insurance CO reported $433,459,330 across 38 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-12. Its ten largest share positions make up 77.36% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001104659-26-013984

Period
2025-12-31
Reported value
$433M
Holdings
38
Top 10 weight
77.36%
New
2
Sold out
1

Part of the filer group CINCINNATI FINANCIAL CORP

How groups are built

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MRSHnew+12,976$2.41M
AJGnew+8,428$2.18M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
CBexited-18,426-$5.2M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001104659-26-013984, largest first. % of portfolio is the value over $433,459,330, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
AVGOBROADCOM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 389,500 shares; 2024Q4: 389,500 shares; 2025Q1: 389,500 shares; 2025Q2: 389,500 shares; 2025Q3: 389,500 shares; 2025Q4: 389,500 shares 389,500$135M31.1%0Timeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 308,000 shares; 2024Q4: 308,000 shares; 2025Q1: 308,000 shares; 2025Q2: 308,000 shares; 2025Q3: 308,000 shares; 2025Q4: 308,000 shares 308,000$83.7M19.32%0Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 60,000 shares; 2024Q4: 60,000 shares; 2025Q1: 60,000 shares; 2025Q2: 60,000 shares; 2025Q3: 60,000 shares; 2025Q4: 60,000 shares 60,000$29M6.69%0Timeline
ENBENBRIDGE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 443,664 shares; 2024Q4: 443,664 shares; 2025Q1: 443,664 shares; 2025Q2: 443,664 shares; 2025Q3: 443,664 shares; 2025Q4: 443,664 shares 443,664$21.2M4.9%0Timeline
JPMJPMORGAN CHASE & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 46,500 shares; 2024Q4: 46,500 shares; 2025Q1: 46,500 shares; 2025Q2: 46,500 shares; 2025Q3: 46,500 shares; 2025Q4: 46,500 shares 46,500$15M3.46%0Timeline
ADPAUTOMATIC DATA PROCESSING INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 47,000 shares; 2024Q4: 47,000 shares; 2025Q1: 47,000 shares; 2025Q2: 47,000 shares; 2025Q3: 47,000 shares; 2025Q4: 47,000 shares 47,000$12.1M2.79%0Timeline
HDHOME DEPOT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 32,000 shares; 2024Q4: 32,000 shares; 2025Q1: 32,000 shares; 2025Q2: 32,000 shares; 2025Q3: 32,000 shares; 2025Q4: 32,000 shares 32,000$11M2.54%0Timeline
ADIANALOG DEVICES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 37,300 shares; 2024Q4: 37,300 shares; 2025Q1: 37,300 shares; 2025Q2: 37,300 shares; 2025Q3: 37,300 shares; 2025Q4: 37,300 shares 37,300$10.1M2.33%0Timeline
WECWEC ENERGY GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 95,000 shares; 2024Q4: 95,000 shares; 2025Q1: 95,000 shares; 2025Q2: 95,000 shares; 2025Q3: 95,000 shares; 2025Q4: 95,000 shares 95,000$10M2.31%0Timeline
RPMRPM INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 80,000 shares; 2024Q4: 80,000 shares; 2025Q1: 80,000 shares; 2025Q2: 80,000 shares; 2025Q3: 80,000 shares; 2025Q4: 80,000 shares 80,000$8.32M1.92%0Timeline
VLOVALERO ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 44,133 shares; 2024Q4: 44,133 shares; 2025Q1: 44,133 shares; 2025Q2: 44,133 shares; 2025Q3: 44,133 shares; 2025Q4: 44,133 shares 44,133$7.18M1.66%0Timeline
CSCOCISCO SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 89,500 shares; 2024Q4: 89,500 shares; 2025Q1: 89,500 shares; 2025Q2: 89,500 shares; 2025Q3: 89,500 shares; 2025Q4: 89,500 shares 89,500$6.89M1.59%0Timeline
ACNACCENTURE PLC IRELANDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 25,000 shares; 2024Q4: 25,000 shares; 2025Q1: 25,000 shares; 2025Q2: 25,000 shares; 2025Q3: 25,000 shares; 2025Q4: 25,000 shares 25,000$6.71M1.55%0Timeline
MMM3M COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 40,100 shares; 2024Q4: 40,100 shares; 2025Q1: 40,100 shares; 2025Q2: 40,100 shares; 2025Q3: 40,100 shares; 2025Q4: 40,100 shares 40,100$6.42M1.48%0Timeline
ABBVABBVIE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 27,200 shares; 2024Q4: 27,200 shares; 2025Q1: 27,200 shares; 2025Q2: 27,200 shares; 2025Q3: 27,200 shares; 2025Q4: 27,200 shares 27,200$6.21M1.43%0Timeline
TJXTJX COS INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 37,000 shares; 2024Q4: 37,000 shares; 2025Q1: 37,000 shares; 2025Q2: 37,000 shares; 2025Q3: 37,000 shares; 2025Q4: 37,000 shares 37,000$5.68M1.31%0Timeline
AMTAMERICAN TOWER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 30,000 shares; 2024Q4: 30,000 shares; 2025Q1: 30,000 shares; 2025Q2: 30,000 shares; 2025Q3: 30,000 shares; 2025Q4: 30,000 shares 30,000$5.27M1.22%0Timeline
RTXRTX CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 26,000 shares; 2024Q4: 26,000 shares; 2025Q1: 26,000 shares; 2025Q2: 26,000 shares; 2025Q3: 26,000 shares; 2025Q4: 26,000 shares 26,000$4.77M1.1%0Timeline
LRCXLAM RESEARCH CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 27,830 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 27,830 shares; 2025Q4: 27,830 shares 27,830$4.76M1.1%0Timeline
SNASNAP ON INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 13,500 shares; 2024Q4: 13,500 shares; 2025Q1: 13,500 shares; 2025Q2: 13,500 shares; 2025Q3: 13,500 shares; 2025Q4: 13,500 shares 13,500$4.65M1.07%0Timeline
USBUS BANCORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 78,500 shares; 2024Q4: 78,500 shares; 2025Q1: 78,500 shares; 2025Q2: 78,500 shares; 2025Q3: 78,500 shares; 2025Q4: 78,500 shares 78,500$4.19M0.97%0Timeline
NEENEXTERA ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 50,000 shares; 2024Q4: 50,000 shares; 2025Q1: 50,000 shares; 2025Q2: 50,000 shares; 2025Q3: 50,000 shares; 2025Q4: 50,000 shares 50,000$4.01M0.93%0Timeline
MCDMCDONALDS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 11,500 shares; 2024Q4: 11,500 shares; 2025Q1: 11,500 shares; 2025Q2: 11,500 shares; 2025Q3: 11,500 shares; 2025Q4: 11,500 shares 11,500$3.51M0.81%0Timeline
ABTABBOTT LABORATORIESQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 27,200 shares; 2024Q4: 27,200 shares; 2025Q1: 27,200 shares; 2025Q2: 27,200 shares; 2025Q3: 27,200 shares; 2025Q4: 27,200 shares 27,200$3.41M0.79%0Timeline
APDAIR PRODUCTS AND CHEMICALS IQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 13,000 shares; 2024Q4: 13,000 shares; 2025Q1: 13,000 shares; 2025Q2: 13,000 shares; 2025Q3: 13,000 shares; 2025Q4: 13,000 shares 13,000$3.21M0.74%0Timeline
MDLZMONDELEZ INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 40,000 shares; 2024Q4: 55,000 shares; 2025Q1: 55,000 shares; 2025Q2: 55,000 shares; 2025Q3: 55,000 shares; 2025Q4: 55,000 shares 55,000$2.96M0.68%0Timeline
HASHASBRO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 30,000 shares; 2024Q4: 30,000 shares; 2025Q1: 30,000 shares; 2025Q2: 30,000 shares; 2025Q3: 30,000 shares; 2025Q4: 30,000 shares 30,000$2.46M0.57%0Timeline
MRSHMARSH & MCLENNAN COS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 12,976 shares 12,976$2.41M0.56%newTimeline
RFREGIONS FINANCIAL CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 88,733 shares; 2024Q4: 88,733 shares; 2025Q1: 88,733 shares; 2025Q2: 88,733 shares; 2025Q3: 88,733 shares; 2025Q4: 88,733 shares 88,733$2.4M0.55%0Timeline
AJGGALLAGHER ARTHUR J & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 8,428 shares 8,428$2.18M0.5%newTimeline
PLDPROLOGIS INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,000 shares; 2024Q4: 12,000 shares; 2025Q1: 12,000 shares; 2025Q2: 12,000 shares; 2025Q3: 12,000 shares; 2025Q4: 12,000 shares 12,000$1.53M0.35%0Timeline
CMCSACOMCAST CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 50,000 shares; 2024Q4: 50,000 shares; 2025Q1: 50,000 shares; 2025Q2: 50,000 shares; 2025Q3: 50,000 shares; 2025Q4: 50,000 shares 50,000$1.49M0.34%0Timeline
VZVERIZON COMMUNICATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 30,000 shares; 2024Q4: 30,000 shares; 2025Q1: 30,000 shares; 2025Q2: 30,000 shares; 2025Q3: 30,000 shares; 2025Q4: 30,000 shares 30,000$1.22M0.28%0Timeline
ADCAGREE RLTY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 16,500 shares; 2024Q4: 16,500 shares; 2025Q1: 16,500 shares; 2025Q2: 16,500 shares; 2025Q3: 16,500 shares; 2025Q4: 16,500 shares 16,500$1.19M0.27%0Timeline
PEPPEPSICO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,000 shares; 2024Q4: 7,000 shares; 2025Q1: 7,000 shares; 2025Q2: 7,000 shares; 2025Q3: 7,000 shares; 2025Q4: 7,000 shares 7,000$1M0.23%0Timeline
WALWESTERN ALLIANCE BANCORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 11,895 shares; 2024Q4: 11,895 shares; 2025Q1: 11,895 shares; 2025Q2: 11,895 shares; 2025Q3: 11,895 shares; 2025Q4: 11,895 shares 11,895$1M0.23%0Timeline
PNWPINNACLE WEST CAP CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,720 shares; 2024Q4: 9,720 shares; 2025Q1: 9,720 shares; 2025Q2: 9,720 shares; 2025Q3: 9,720 shares; 2025Q4: 9,720 shares 9,720$862K0.2%0Timeline
LYBLYONDELLBASELL INDUSTRIES NVQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,333 shares; 2024Q4: 12,333 shares; 2025Q1: 12,333 shares; 2025Q2: 12,333 shares; 2025Q3: 12,333 shares; 2025Q4: 12,333 shares 12,333$534K0.12%0Timeline

Sold out in Q4 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
CBCHUBB LIMITED18,426$5.2Mshares

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001104659-26-013984 base2026-02-12acceptance time not in the bulk data set