Microsoft Corporation
CH ˙ SWX ˙ US5949181045
SecurityCH:MSFT / Microsoft Corporation
InstitutionChesapeake Asset Management Llc
Latest Disclosed Ownership15,835 shares
Latest Disclosed Value $ 5,861,828
Chesapeake Asset Management Llc ownership in MSFT / Microsoft Corporation

On May 12, 2026 - Chesapeake Asset Management Llc filed a 13F-HR form disclosing ownership of 15,835 shares of Microsoft Corporation (CH:MSFT) valued at $5,861,828 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 8, 2026 disclosing 22,467 shares of Microsoft Corporation. This represents a change in shares of -29.52% during the quarter.

Chesapeake Asset Management Llc has a history of taking positions in derivatives of the underlying security (MSFT) in the form of stock options.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

CH:MSFT / Microsoft Corporation Historical Put/Call Ratio
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)
2026-05-12 2026-03-31 13F MICROSOFT COM 594918104 15,835 -6,632 -29.52 5,862 -46.06 4.6509
2026-01-08 2025-12-31 13F Microsoft COM 594918104 22,467 -407 -1.78 10,866 -8.29 8.9782
2025-10-17 2025-09-30 13F Microsoft COM 594918104 22,874 -69 -0.30 11,848 3.81 10.4858
2025-10-15 2025-06-30 13F MICROSOFT COM 594918104 22,943 -298 -1.28 11,412 30.81 10.2686
2026-01-05 2025-03-31 13F Microsoft COM 594918104 23,241 301 1.31 8,725 -9.77 8.2100
2026-01-05 2024-12-31 13F MICROSOFT COM 594918104 22,940 -1,033 -4.31 9,669 -6.26 9.0047
2026-01-05 2024-09-30 13F Microsoft COM 594918104 23,973 69 0.29 10,316 -3.45 8.9571
2026-01-05 2024-06-30 13F Microsoft COM 594918104 23,904 -22 -0.09 10,684 6.14 10.2108
2026-01-05 2024-03-31 13F Microsoft COM 594918104 23,926 -1,224 -4.87 10,066 6.44 9.9478
2026-01-05 2023-12-31 13F Microsoft COM 594918104 25,150 495 2.01 9,457 21.49 8.4321
2026-01-05 2023-09-30 13F Microsoft COM 594918104 24,655 -4,237 -14.66 7,785 -20.89 7.5467
2026-01-05 2023-06-30 13F Microsoft COM 594918104 28,892 -3,733 -11.44 9,839 4.60 8.8768
2026-01-05 2023-03-31 13F Microsoft COM 594918104 32,625 868 2.73 9,406 87.82 8.6032
2020-02-06 2019-12-31 13F MICROSOFT COM 594918104 31,757 0 0.00 5,008 13.43 8.4843
2019-10-30 2019-09-30 13F MICROSOFT COM 594918104 31,757 -2,244 -6.60 4,415 -3.07 8.3000
2019-08-06 2019-06-30 13F MICROSOFT COM 594918104 34,001 0 0.00 4,555 13.59 7.5133
2019-05-09 2019-03-31 13F MICROSOFT COM 594918104 34,001 -10,003 -22.73 4,010 -10.27 6.8198
2019-02-06 2018-12-31 13F MICROSOFT COM 594918104 44,004 -1,925 -4.19 4,469 -14.92 8.2364
2018-11-06 2018-09-30 13F MICROSOFT COM 594918104 45,929 -4,555 -9.02 5,253 5.52 6.0362
2018-08-08 2018-06-30 13F MICROSOFT COM 594918104 50,484 -12,133 -19.38 4,978 -12.90 5.7986
2018-05-04 2018-03-31 13F MICROSOFT COM 594918104 62,617 -1,447 -2.26 5,715 4.29 6.1261
2018-02-06 2017-12-31 13F MICROSOFT COM 594918104 64,064 -750 -1.16 5,480 13.50 5.2829
2017-11-06 2017-09-30 13F MICROSOFT COM 594918104 64,814 -2,342 -3.49 4,828 4.30 4.3511
2017-08-04 2017-06-30 13F MICROSOFT COM 594918104 67,156 -53,967 -44.56 4,629 -41.97 4.4040
2017-05-10 2017-03-31 13F MICROSOFT COM 594918104 121,123 4,881 4.20 7,977 10.44 6.5707
2017-02-06 2016-12-31 13F MICROSOFT COM 594918104 116,242 2,500 2.20 7,223 10.24 6.2605
2016-11-08 2016-09-30 13F MICROSOFT COM 594918104 113,742 18,548 19.48 6,552 34.51 5.9312
2016-08-09 2016-06-30 13F MICROSOFT COM 594918104 95,194 -17,372 -15.43 4,871 -21.65 3.9623
2016-05-10 2016-03-31 13F MICROSOFT COM 594918104 112,566 3,959 3.65 6,217 3.17 5.1617
2016-02-10 2015-12-31 13F MICROSOFT COM 594918104 108,607 36,491 50.60 6,026 88.78 4.6285
2015-11-13 2015-09-30 13F MICROSOFT COM 594918104 72,116 -75 -0.10 3,192 0.16 2.7115
2015-08-12 2015-06-30 13F MICROSOFT COM 594918104 72,191 0 0.00 3,187 8.59 2.3397
2015-05-12 2015-03-31 13F MICROSOFT COM 594918104 72,191 0 0.00 2,935 -12.47 2.1623
2015-02-17 2014-12-31 13F MICROSOFT COM 594918104 72,191 -834 -1.14 3,353 -0.95 2.1025
2014-11-14 2014-09-30 13F MICROSOFT COM 594918104 73,025 0 0.00 3,385 11.17 2.0672
2014-08-14 2014-06-30 13F MICROSOFT COM 594918104 73,025 0 0.00 3,045 1.74 1.8924
2014-05-15 2014-03-31 13F MICROSOFT COM 594918104 73,025 -300 -0.41 2,993 9.11 2.0251
2014-02-13 2013-12-31 13F MICROSOFT COM 594918104 73,325 -200 -0.27 2,743 12.10 1.6233
2013-11-13 2013-09-30 13F MICROSOFT COM 594918104 73,525 -2,050 -2.71 2,447 -6.28 1.6400
2013-08-09 2013-06-30 13F MICROSOFT COM 594918104 75,575 75,575 2,611 1.8860
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-12 2026-03-31 13F PUT MICROSOFT CORP $300 EXP 01 OPTION Put 4 7 n/a n/a n/a
2026-01-05 2023-12-31 13F PUT MICROSOFT CORP $150 EXP 01 OPTION Put 0 -100.00 0 n/a n/a n/a
2026-01-05 2023-09-30 13F PUT MICROSOFT CORP $150 EXP 01 OPTION Put 4 0.00 0 n/a n/a n/a
2026-01-05 2023-06-30 13F PUT MICROSOFT CORP $150 EXP 01 OPTION Put 4 -33.33 0 n/a n/a n/a
2026-01-05 2023-03-31 13F PUT MICROSOFT CORP $150 EXP 01 OPTION Put 6 0 n/a n/a n/a
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.