Microsoft Corporation
MX ˙ BMV ˙ US5949181045
SecurityMX:MSFT / Microsoft Corporation
InstitutionGluskin Sheff & Assoc Inc
Latest Disclosed Ownership80,654 shares
Latest Disclosed Value $ 29,855,691
Gluskin Sheff & Assoc Inc ownership in MSFT / Microsoft Corporation

On May 15, 2026 - Gluskin Sheff & Assoc Inc filed a 13F-HR form disclosing ownership of 80,654 shares of Microsoft Corporation (MX:MSFT) valued at $29,855,691 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 74,142 shares of Microsoft Corporation. This represents a change in shares of 8.78% during the quarter.

Gluskin Sheff & Assoc Inc has a history of taking positions in derivatives of the underlying security (MSFT) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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.

MX: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)
2026-05-15 2026-03-31 13F MICROSOFT COM 594918104 80,654 6,512 8.78 29,856 -16.74 4.9665
2026-02-13 2025-12-31 13F MICROSOFT COM 594918104 74,142 -2,921 -3.79 35,857 -10.17 4.9766
2025-11-14 2025-09-30 13F MICROSOFT COM 594918104 77,063 -951 -1.22 39,915 2.86 5.0425
2025-08-14 2025-06-30 13F MICROSOFT COM 594918104 78,014 3,218 4.30 38,805 38.21 4.7320
2025-05-15 2025-03-31 13F MICROSOFT COM 594918104 74,796 1,331 1.81 28,078 -9.33 3.6173
2025-02-14 2024-12-31 13F MICROSOFT COM 594918104 73,465 0 0.00 30,965 -2.04 3.7120
2024-11-14 2024-09-30 13F MICROSOFT COM 594918104 73,465 0 0.00 31,612 -3.73 3.6989
2024-08-14 2024-06-30 13F MICROSOFT COM 594918104 73,465 -506 -0.68 32,835 5.51 3.7412
2024-05-15 2024-03-31 13F MICROSOFT COM 594918104 73,971 -7,639 -9.36 31,121 1.41 3.1097
2024-02-14 2023-12-31 13F MICROSOFT COM 594918104 81,610 -27,918 -25.49 30,689 -11.26 3.0267
2023-11-14 2023-09-30 13F MICROSOFT COM 594918104 109,528 -19,125 -14.87 34,583 -21.06 2.6496
2023-08-14 2023-06-30 13F MICROSOFT COM 594918104 128,653 -24,431 -15.96 43,811 -0.73 2.6521
2023-05-15 2023-03-31 13F MICROSOFT COM 594918104 153,084 -22,381 -12.76 44,134 4.88 2.4044
2023-02-14 2022-12-31 13F MICROSOFT COM 594918104 175,465 1,744 1.00 42,080 4.00 2.3616
2022-11-14 2022-09-30 13F MICROSOFT COM 594918104 173,721 1,815 1.06 40,460 -8.36 2.4136
2022-08-15 2022-06-30 13F MICROSOFT COM 594918104 171,906 -1,672 -0.96 44,151 -17.50 2.4103
2022-05-16 2022-03-31 13F MICROSOFT COM 594918104 173,578 1,923 1.12 53,516 -7.30 2.3295
2022-02-14 2021-12-31 13F MICROSOFT COM 594918104 171,655 6,664 4.04 57,731 24.12 2.3669
2021-11-12 2021-09-30 13F MICROSOFT COM 594918104 164,991 658 0.40 46,514 4.48 1.9454
2021-08-13 2021-06-30 13F MICROSOFT COM 594918104 164,333 599 0.37 44,518 15.32 2.0542
2021-05-14 2021-03-31 13F MICROSOFT COM 594918104 163,734 -61,373 -27.26 38,604 -22.90 1.7327
2021-02-16 2020-12-31 13F MICROSOFT COM 594918104 225,107 27,384 13.85 50,068 20.39 3.4335
2020-11-12 2020-09-30 13F MICROSOFT COM 594918104 197,723 2,389 1.22 41,587 4.61 2.7266
2020-08-11 2020-06-30 13F MICROSOFT COM 594918104 195,334 -30,037 -13.33 39,756 11.86 2.6487
2020-05-13 2020-03-31 13F MICROSOFT COM 594918104 225,371 -12,242 -5.15 35,542 -3.18 2.3534
2020-02-12 2019-12-31 13F MICROSOFT COM 594918104 237,613 -33,122 -12.23 36,709 -2.47 2.0829
2019-11-08 2019-09-30 13F MICROSOFT COM 594918104 270,735 -67,523 -19.96 37,640 -16.93 2.3535
2019-08-14 2019-06-30 13F MICROSOFT COM 594918104 338,258 -39,543 -10.47 45,313 1.69 2.7127
2019-05-10 2019-03-31 13F MICROSOFT COM 594918104 377,801 1,282 0.34 44,558 16.51 2.6426
2019-02-12 2018-12-31 13F MICROSOFT COM 594918104 376,519 -23,034 -5.76 38,243 -16.31 2.4728
2018-11-09 2018-09-30 13F MICROSOFT COM 594918104 399,553 93,468 30.54 45,697 51.40 2.0210
2018-08-13 2018-06-30 13F MICROSOFT COM 594918104 306,085 -4,875 -1.57 30,183 6.35 1.5256
2018-05-14 2018-03-31 13F MICROSOFT COM 594918104 310,960 307,960 10,265.33 28,381 10,943.19 1.5414
2018-02-14 2017-12-31 13F MICROSOFT COM 594918104 3,000 0 0.00 257 14.73 0.0134
2017-11-01 2017-09-30 13F MICROSOFT COM 594918104 3,000 -267 -8.17 224 -0.44 0.0230
2017-08-11 2017-06-30 13F MICROSOFT CL A 594918104 3,267 -20 -0.61 225 3.69 0.0206
2017-05-11 2017-03-31 13F/A-1 MICROSOFT COM 594918104 3,287 47 1.45 217 7.96 0.0190
2017-05-10 2017-03-31 13F MICROSOFT COM 594918104 3,287 307
2017-02-09 2016-12-31 13F MICROSOFT COM 594918104 3,240 3,240 201 0.0177
2016-07-28 2016-06-30 13F MICROSOFT COM 594918104 0 -4,138 -100.00 0 -100.00
2016-04-14 2016-03-31 13F MICROSOFT COM 594918104 4,138 0 0.00 229 -0.43 0.0205
2016-02-10 2015-12-31 13F MICROSOFT COM 594918104 4,138 4,138 0.00 230 0.0167
2015-01-30 2014-12-31 13F MICROSOFT COM 594918104 0 -424,160 -100.00 0 -100.00
2014-10-22 2014-09-30 13F MICROSOFT COM 594918104 424,160 210 0.05 19,664 11.23 1.4703
2014-07-23 2014-06-30 13F MICROSOFT COM 594918104 423,950 423,950 1,255.60 17,679 117,760.00 1.1960
2014-04-30 2014-03-31 13F MICROSOFT $40 CALL 1 PUT 594918904 0 -17,913 -100.00 0 -100.00
2014-04-30 2014-03-31 13F MICROSOFT $25 PUT 1 CALL 594918954 0 -31,274 -100.00 0 -100.00
2014-02-11 2013-12-31 13F MICROSOFT $40 CALL 1 PUT 594918904 17,913 11,913 198.55 38 533.33 0.0020
2014-02-11 2013-12-31 13F MICROSOFT $25 PUT 1 CALL 594918954 31,274 22,874 272.31 15 66.67 0.0008
2013-10-30 2013-09-30 13F MICROSOFT $40 CALL 1 PUT 594918904 6,000 6,000 6 0.0004
2013-10-30 2013-09-30 13F MICROSOFT $25 PUT 1 CALL 594918954 8,400 8,400 9 0.0006
Disclosed Call 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
(%)
2014-04-30 2014-03-31 13F MICROSOFT $25 PUT 1 CALL 0 -100.00 0 -100.00 n/a n/a n/a
2014-02-11 2013-12-31 13F MICROSOFT $25 PUT 1 CALL 31,274 272.31 15 66.67 n/a n/a n/a
2013-10-30 2013-09-30 13F MICROSOFT $25 PUT 1 CALL 8,400 9 n/a n/a n/a
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
(%)
2014-04-30 2014-03-31 13F MICROSOFT $40 CALL 1 PUT 0 -100.00 0 -100.00 n/a n/a n/a
2014-02-11 2013-12-31 13F MICROSOFT $40 CALL 1 PUT 17,913 198.55 38 533.33 n/a n/a n/a
2013-10-30 2013-09-30 13F MICROSOFT $40 CALL 1 PUT 6,000 6 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.