Strategy Inc
MX ˙ BMV ˙ US5949724083
SecurityMX:MSTR / Strategy Inc
InstitutionAltshuler Shaham Ltd
Latest Disclosed Ownership98 shares
Latest Disclosed Value $ 12,231
Altshuler Shaham Ltd ownership in MSTR / Strategy Inc

On May 18, 2026 - Altshuler Shaham Ltd filed a 13F-HR form disclosing ownership of 98 shares of Strategy Inc (MX:MSTR) valued at $12,231 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 1,846 shares of Strategy Inc. This represents a change in shares of -94.69% during the quarter.

Altshuler Shaham Ltd has a history of taking positions in derivatives of the underlying security (MSTR) in the form of stock options. The firm currently holds call options representing 60 of underlying shares valued at $6,891 USD and put options representing 348 of underlying shares valued at $1,405,155 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:MSTR / Strategy Inc 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)
2026-05-18 2026-03-31 13F MICROSTRATEGY CL A NEW 594972408 98 -1,748 -94.69 12 -95.71 0.0001
2026-05-18 2026-03-31 13F MICROSTRATEGY CALL 594972908 60 -10 -14.29 7 -64.71 0.0001
2026-02-17 2025-12-31 13F MICROSTRATEGY CL A NEW 594972408 1,846 1,838 22,975.00 280 13,900.00 0.0043
2025-11-13 2025-09-30 13F MICROSTRATEGY CL A NEW 594972408 8 3 -99.66 0.0000
2025-08-14 2025-06-30 13F MICROSTRATEGY CL A NEW 594972408 588 22.76 0.0187
2025-05-15 2025-03-31 13F MICROSTRATEGY CL A NEW 594972408 480 379.00 0.0116
2025-02-13 2024-12-31 13F MICROSTRATEGY PUT 594972958 120 120 100 0.0034
2025-02-13 2024-12-31 13F MICROSTRATEGY CALL 594972908 32 32 214 0.0073
2021-11-15 2021-09-30 13F MicroStrategy CL A NEW 594972408 0 -538 -100.00 0 -100.00
2021-08-16 2021-06-30 13F MicroStrategy CL A NEW 594972408 538 21 4.06 358 1.99 0.0027
2021-05-13 2021-03-31 13F MicroStrategy CL A NEW 594972408 517 -237 -31.43 351 19.80 0.0035
2021-02-16 2020-12-31 13F MicroStrategy CL A NEW 594972408 754 754 293 0.0059
2020-08-13 2020-06-30 13F MicroStrategy CL A NEW 594972408 0 -35 -100.00 0 -100.00
2020-05-12 2020-03-31 13F MicroStrategy CL A NEW 594972408 35 6 20.69 4 0.00 0.0002
2020-02-11 2019-12-31 13F MicroStrategy CL A NEW 594972408 29 23 383.33 4 300.00 0.0001
2019-11-12 2019-09-30 13F MicroStrategy CL A NEW 594972408 6 6 1 0.0000
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
(%)
2026-05-18 2026-03-31 13F MICROSTRATEGY CALL 60 -14.29 7 -64.71 n/a n/a n/a
2026-05-18 2026-03-31 13F MICROSTRATEGY CALL Call 35 33 n/a n/a n/a
2026-02-17 2025-12-31 13F MICROSTRATEGY CALL Call 70 27.27 18 -87.31 n/a n/a n/a
2025-11-13 2025-09-30 13F MICROSTRATEGY CALL Call 55 -60.71 135 -83.99 n/a n/a n/a
2025-08-14 2025-06-30 13F MICROSTRATEGY CALL Call 140 133.33 837 265.50 n/a n/a n/a
2025-05-15 2025-03-31 13F MICROSTRATEGY CALL Call 60 87.50 229 7.01 n/a n/a n/a
2025-02-13 2024-12-31 13F MICROSTRATEGY CALL 32 214 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
(%)
2026-05-18 2026-03-31 13F MICROSTRATEGY PUT Put 348 -6.95 1,405 9.34 n/a n/a n/a
2026-02-17 2025-12-31 13F MICROSTRATEGY PUT Put 374 7.47 1,286 121.93 n/a n/a n/a
2025-11-13 2025-09-30 13F MICROSTRATEGY PUT Put 348 0.00 579 -13.45 n/a n/a n/a
2025-08-14 2025-06-30 13F MICROSTRATEGY PUT Put 348 132.00 669 869.57 n/a n/a n/a
2025-05-15 2025-03-31 13F MICROSTRATEGY PUT Put 150 25.00 69 -31.00 n/a n/a n/a
2025-02-13 2024-12-31 13F MICROSTRATEGY PUT 120 100 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.