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CH ˙ SWX ˙ US5949181045
SecurityCH:MSFT / Microsoft Corporation
InstitutionCincinnati Casualty Co
Latest Disclosed Ownership80,000 shares
Latest Disclosed Value $ 29,613,600
Cincinnati Casualty Co ownership in MSFT / Microsoft Corporation

On May 11, 2026 - Cincinnati Casualty Co filed a 13F-HR form disclosing ownership of 80,000 shares of Microsoft Corporation (CH:MSFT) valued at $29,613,600 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 80,000 shares of Microsoft Corporation. This represents a change in shares of 0.00% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-11 2026-03-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 29,614 -23.46 15.4666
2026-02-12 2025-12-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 38,690 -6.63 19.6313
2025-11-06 2025-09-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 41,436 4.13 21.0684
2025-08-07 2025-06-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 39,793 32.50 21.0727
2025-05-08 2025-03-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 30,031 -10.94 17.2113
2025-02-12 2024-12-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 33,720 -2.05 18.8846
2024-11-07 2024-09-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 34,424 -3.73 19.3999
2024-08-08 2024-06-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 35,756 6.24 19.5884
2024-05-03 2024-03-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 33,658 11.88 18.4088
2024-02-08 2023-12-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 30,083 19.09 17.6390
2023-11-03 2023-09-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 25,260 -7.28 16.1217
2023-08-08 2023-06-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 27,243 18.12 16.5249
2023-05-05 2023-03-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 23,064 20.22 14.4504
2023-02-09 2022-12-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 19,186 2.97 11.8237
2022-11-08 2022-09-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 18,632 -9.32 13.0785
2022-08-05 2022-06-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 20,546 -16.70 13.4130
2022-05-12 2022-03-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 24,665 -8.33 14.3482
2022-02-11 2021-12-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 26,906 19.30 14.4332
2021-11-05 2021-09-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 22,554 4.07 13.3918
2021-08-06 2021-06-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 21,672 14.90 12.8828
2021-05-06 2021-03-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 18,862 6.00 11.8566
2021-02-12 2020-12-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 17,794 5.75 12.1777
2020-11-06 2020-09-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 16,826 3.35 13.1286
2020-08-06 2020-06-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 16,281 29.04 13.2950
2020-05-08 2020-03-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 12,617 0.01 11.5836
2020-02-11 2019-12-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 12,616 13.43 8.9525
2019-11-05 2019-09-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 11,122 3.78 8.5801
2019-08-07 2019-06-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 10,717 13.59 8.2349
2019-05-03 2019-03-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 9,435 16.11 7.7515
2019-02-11 2018-12-31 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 8,126 -11.19 7.5403
2018-11-06 2018-09-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 9,150 15.98 7.5389
2018-08-13 2018-06-30 13F MICROSOFT ORD COMMON 594918104 80,000 0 0.00 7,889 8.04 7.0523
2018-05-10 2018-03-31 13F MICROSOFT COMMON 594918104 80,000 0 0.00 7,302 6.71 6.5324
2018-02-13 2017-12-31 13F MICROSOFT COMMON 594918104 80,000 0 0.00 6,843 14.83 5.8060
2017-11-03 2017-09-30 13F MICROSOFT COMMON 594918104 80,000 0 0.00 5,959 8.07 5.1159
2017-08-08 2017-06-30 13F MICROSOFT COMMON 594918104 80,000 0 0.00 5,514 4.65 4.9063
2017-05-08 2017-03-31 13F MICROSOFT COMMON 594918104 80,000 0 0.00 5,269 5.99 4.7839
2017-02-15 2016-12-31 13F MICROSOFT COMMON 594918104 80,000 0 0.00 4,971 7.88 4.7225
2016-11-07 2016-09-30 13F MICROSOFT COMMON 594918104 80,000 0 0.00 4,608 12.55 4.5564
2016-08-09 2016-06-30 13F MICROSOFT COMMON 594918104 80,000 0 0.00 4,094 -7.33 4.1796
2016-05-06 2016-03-31 13F MICROSOFT COMMON 594918104 80,000 0 0.00 4,418 -0.45 5.0558
2016-02-09 2015-12-31 13F MICROSOFT COMMON 594918104 80,000 0 0.00 4,438 25.33 5.4401
2015-11-10 2015-09-30 13F MICROSOFT COMMON 594918104 80,000 0 0.00 3,541 0.25 4.5218
2015-08-07 2015-06-30 13F MICROSOFT COMMON 594918104 80,000 0 0.00 3,532 8.61 4.0979
2015-05-08 2015-03-31 13F MICROSOFT COMMON 594918104 80,000 0 0.00 3,252 -12.49 3.6030
2015-02-10 2014-12-31 13F MICROSOFT COMMON 594918104 80,000 0 0.00 3,716 0.19 4.1041
2014-11-07 2014-09-30 13F MICROSOFT COMMON 594918104 80,000 0 0.00 3,709 11.18 4.1022
2014-08-08 2014-06-30 13F MICROSOFT COMMON 594918104 80,000 0 0.00 3,336 1.74 3.6030
2014-05-14 2014-03-31 13F MICROSOFT COMMON 594918104 80,000 0 0.00 3,279 9.56 3.6411
2014-02-11 2013-12-31 13F MICROSOFT COMMON 594918104 80,000 0 0.00 2,993 12.43 3.3498
2013-11-06 2013-09-30 13F MICROSOFT COMMON 594918104 80,000 0 0.00 2,662 -3.69 3.2207
2013-08-02 2013-06-30 13F MICROSOFT COMMON 594918104 80,000 80,000 2,764 3.4928
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.