International Business Machines Corporation
MX ˙ BMV ˙ US4592001014
SecurityMX:IBM / International Business Machines Corporation
InstitutionTranquility Partners, LLC
Latest Disclosed Ownership1,574 shares
Latest Disclosed Value $ 381,522
Tranquility Partners, LLC reports 1.56% decrease in ownership of IBM / International Business Machines Corporation

On April 20, 2026 - Tranquility Partners, LLC filed a 13F-HR form disclosing ownership of 1,574 shares of International Business Machines Corporation (MX:IBM) valued at $381,522 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 3, 2026 disclosing 1,599 shares of International Business Machines Corporation. This represents a change in shares of -1.56% 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)
2026-04-20 2026-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,574 -25 -1.56 382 -19.45 0.1439
2026-02-03 2025-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,599 0 0.00 474 4.88 0.1706
2025-10-30 2025-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,599 -49 -2.97 451 -7.01 0.1523
2025-07-25 2025-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,648 -68 -3.96 486 13.85 0.1735
2025-04-24 2025-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,716 0 0.00 427 13.00 0.1648
2025-01-29 2024-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,716 -39 -2.22 377 -2.58 0.1419
2024-11-07 2024-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,755 -4,320 -71.11 388 -63.14 0.1407
2024-07-25 2024-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 6,075 0 0.00 1,051 -9.48 0.4042
2024-05-07 2024-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 6,075 4,326 247.34 1,160 305.59 0.4484
2024-01-31 2023-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,749 -53 -2.94 286 13.49 0.1199
2023-10-31 2023-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,802 82 4.77 253 9.57 0.1084
2023-07-17 2023-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,720 -10 -0.58 230 1.77 0.0991
2023-05-08 2023-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,730 82 4.98 227 -2.59 0.1080
2023-02-02 2022-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,648 1,648 232 0.1181
2022-10-31 2022-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 0 -1,596 -100.00 0 -100.00
2022-08-01 2022-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,596 34 2.18 225 10.84 0.1164
2022-04-29 2022-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,562 25 1.63 203 -0.98 0.0951
2022-01-31 2021-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,537 -135 -8.07 205 -11.64 0.0949
2021-10-20 2021-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,672 1,672 232 0.1177
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.