International Business Machines Corporation
MX ˙ BMV ˙ US4592001014
SecurityMX:IBM / International Business Machines Corporation
InstitutionCharles Schwab Trust Co
Latest Disclosed Ownership4,620 shares
Latest Disclosed Value $ 1,119,842
Charles Schwab Trust Co reports 7.32% increase in ownership of IBM / International Business Machines Corporation

On April 10, 2026 - Charles Schwab Trust Co filed a 13F-HR form disclosing ownership of 4,620 shares of International Business Machines Corporation (MX:IBM) valued at $1,119,842 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 9, 2026 disclosing 4,305 shares of International Business Machines Corporation. This represents a change in shares of 7.32% 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)
2026-04-10 2026-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 4,620 315 7.32 1,120 -12.24 0.0726
2026-01-09 2025-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 4,305 1,043 31.97 1,275 38.59 0.0838
2025-10-10 2025-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,262 12 0.37 920 -3.97 0.0625
2025-07-17 2025-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,250 0 0.00 958 18.56 0.0719
2025-04-10 2025-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,250 -50 -1.52 808 11.45 0.0677
2025-01-16 2024-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,300 1,217 58.43 725 57.61 0.0623
2024-10-09 2024-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 2,083 -11,010 -84.09 461 -79.68 0.0398
2024-07-18 2024-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 13,093 11,320 638.47 2,265 569.82 0.2095
2024-04-12 2024-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,773 -3,177 -64.18 339 -58.22 0.0320
2024-01-10 2023-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 4,950 1,102 28.64 810 50.09 0.0798
2023-10-19 2023-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,848 -37 -0.95 540 8.02 0.0608
2023-07-24 2023-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,885 -2,531 -39.45 500 -40.67 0.0602
2023-04-11 2023-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 6,416 3,570 125.44 841 110.25 0.1016
2023-01-26 2022-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 2,846 0 0.00 401 18.34 0.0528
2022-10-19 2022-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 2,846 -100 -3.39 338 -18.75 0.0568
2022-07-22 2022-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 2,946 66 2.29 416 11.23 0.0861
2022-04-14 2022-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 2,880 -523 -15.37 374 -17.80 0.0656
2022-01-14 2021-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,403 -35 -1.02 455 -4.81 0.0739
2021-10-08 2021-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,438 35 1.03 478 -4.21 0.0940
2021-08-04 2021-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,403 520 18.04 499 29.95 0.0982
2021-04-14 2021-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 2,883 -1,515 -34.45 384 -30.69 0.0796
2021-01-14 2020-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 4,398 4,398 554 0.1329
2020-04-09 2020-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 0 -1,773 -100.00 0 -100.00
2020-01-29 2019-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,773 1,773 238 0.0926
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.