International Business Machines Corporation
MX ˙ BMV ˙ US4592001014
SecurityMX:IBM / International Business Machines Corporation
InstitutionCaldwell Trust Co
Latest Disclosed Ownership20,347 shares
Latest Disclosed Value $ 4,931,909
Caldwell Trust Co reports 2.81% increase in ownership of IBM / International Business Machines Corporation

On April 22, 2026 - Caldwell Trust Co filed a 13F-HR form disclosing ownership of 20,347 shares of International Business Machines Corporation (MX:IBM) valued at $4,931,909 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 30, 2026 disclosing 19,790 shares of International Business Machines Corporation. This represents a change in shares of 2.81% 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)
2026-04-22 2026-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 20,347 557 2.81 4,932 -15.87 0.3064
2026-01-30 2025-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 19,790 1,368 7.43 5,862 12.78 0.5211
2025-10-23 2025-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 18,422 2,128 13.06 5,198 8.20 0.4859
2025-09-22 2025-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 16,294 1,342 8.98 4,803 29.22 0.4803
2025-09-23 2025-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 14,952 2,686 21.90 3,718 37.87 0.3989
2025-09-24 2024-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 12,266 3,883 46.32 2,696 45.49 0.2817
2025-09-24 2024-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 8,383 856 11.37 1,853 42.43 0.1946
2025-09-24 2024-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 7,527 306 4.24 1,302 -5.59 0.1441
2025-09-24 2024-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 7,221 -8,387 -53.74 1,379 -46.00 0.1605
2025-10-01 2023-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 15,608 -164 -1.04 2,553 15.37 0.3223
2025-10-01 2023-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 15,772 -282 -1.76 2,213 2.98 0.3019
2025-10-01 2023-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 16,054 295 1.87 2,148 4.02 0.2803
2025-10-01 2023-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 15,759 -238 -1.49 2,066 -8.34 0.2867
2025-10-01 2022-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 15,997 -65 -0.40 2,254 18.08 0.3187
2025-10-01 2022-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 16,062 -613 -3.68 1,908 -18.95 0.2834
2025-10-02 2022-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 16,675 64 0.39 2,354 9.03 0.3240
2025-10-02 2022-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 16,611 -1,078 -6.09 2,160 -8.67 0.2573
2025-10-02 2021-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 17,689 -3,398 -16.11 2,364 -19.29 0.2719
2025-10-02 2021-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 21,087 -562 -2.60 2,930 -7.69 0.3703
2025-10-02 2021-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 21,649 910 4.39 3,174 14.84 0.4153
2025-10-02 2021-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 20,739 -71 -0.34 2,764 5.50 0.3854
2025-10-02 2020-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 20,810 -10,417 -33.36 2,620 -31.06 0.3963
2025-10-02 2020-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 31,227 6,318 25.36 3,799 26.30 0.6246
2025-10-02 2020-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 24,909 -1,192 -4.57 3,008 3.90 0.5039
2025-10-02 2020-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 26,101 -1,276 -4.66 2,895 -21.10 0.5484
2025-10-06 2019-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 27,377 27,377 3,670 0.5604
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.