International Business Machines Corporation
MX ˙ BMV ˙ US4592001014
SecurityMX:IBM / International Business Machines Corporation
InstitutionCapital Advisors Inc/ok
Latest Disclosed Ownership248,779 shares
Latest Disclosed Value $ 60,301,598
Capital Advisors Inc/ok ownership in IBM / International Business Machines Corporation

On April 27, 2026 - Capital Advisors Inc/ok filed a 13F-HR form disclosing ownership of 248,779 shares of International Business Machines Corporation (MX:IBM) valued at $60,301,598 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 15, 2026 disclosing 229,525 shares of International Business Machines Corporation. This represents a change in shares of 8.39% during the quarter.

Capital Advisors Inc/ok has a history of taking positions in derivatives of the underlying security (IBM) in the form of stock options. The firm currently holds call 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:IBM / International Business Machines 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)
2026-04-27 2026-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 248,779 19,254 8.39 60,302 -11.31 0.8334
2026-01-15 2025-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 229,525 923 0.40 67,988 5.40 1.0948
2025-10-21 2025-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 228,602 4,910 2.19 64,502 -2.18 1.0784
2025-07-22 2025-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 223,692 2,134 0.96 65,940 19.69 1.1835
2025-04-29 2025-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 221,558 -60,333 -21.40 55,093 -11.10 1.0966
2025-01-29 2024-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 281,891 1,171 0.42 61,968 -0.15 1.2348
2024-10-28 2024-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 280,720 2,699 0.97 62,062 29.07 1.2431
2024-07-31 2024-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 278,021 4,445 1.62 48,084 -7.96 0.9934
2024-04-29 2024-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 273,576 -37,131 -11.95 52,242 2.81 1.1208
2024-01-29 2023-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 310,707 39,297 14.48 50,816 33.45 1.1375
2023-10-24 2023-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 271,410 266,765 5,743.06 38,079 6,031.72 0.9974
2023-07-18 2023-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 4,645 -244 -4.99 622 -2.97 0.0158
2023-04-19 2023-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 4,889 -840 -14.66 641 -20.69 0.0172
2023-01-17 2022-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 5,729 280 5.14 807 23.39 0.0229
2022-10-17 2022-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 5,449 489 9.86 654 -6.57 0.0203
2022-07-15 2022-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 4,960 -568 -10.27 700 -2.64 0.0210
2022-05-05 2022-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 5,528 1,014 22.46 719 19.24 0.0197
2022-01-27 2021-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 4,514 -631 -12.26 603 -15.66 0.0162
2021-10-25 2021-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 5,145 284 5.84 715 0.28 0.0213
2021-08-02 2021-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 4,861 476 10.86 713 22.09 0.0214
2021-05-25 2021-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 4,385 24 0.55 584 6.38 0.0191
2021-02-08 2020-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 4,361 1,672 62.18 549 67.89 0.0196
2020-11-02 2020-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 2,689 661 32.59 327 27.73 0.0132
2020-09-02 2020-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 2,028 2,028 256 0.0106
2020-05-21 2020-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 0 -1,714 -100.00 0 -100.00
2020-02-04 2019-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 1,714 1,714 230 0.0100
2019-05-10 2019-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 0 -4,316 -100.00 0 -100.00
2019-02-06 2018-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 4,316 -85,610 -95.20 491 -96.39 0.0319
2018-11-13 2018-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 89,926 -2,366 -2.56 13,598 5.47 0.8092
2018-08-06 2018-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 92,292 -389 -0.42 12,893 -9.33 0.7758
2018-05-04 2018-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 92,681 92,681 14,220 0.8531
2017-08-09 2017-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 0 -61,371 -100.00 0 -100.00
2017-04-27 2017-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 61,371 -2,373 -3.72 10,687 1.00 0.6989
2017-02-13 2016-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 63,744 1,279 2.05 10,581 6.64 0.7368
2016-11-02 2016-09-30 13F I B M COMMON 459200101 62,465 -1,903 -2.96 9,922 1.57 1.4843
2016-08-09 2016-06-30 13F I B M COMMON 459200101 64,368 1,192 1.89 9,770 2.10 1.5131
2016-05-03 2016-03-31 13F I B M COMMON 459200101 63,176 63,176 0.00 9,568 1.5657
2015-11-04 2015-09-30 13F I B M COMMON 459200101 0 -1,411 -100.00 0 -100.00
2015-08-10 2015-06-30 13F I B M COMMON 459200101 1,411 0 0.00 230 1.33 0.0394
2015-05-11 2015-03-31 13F I B M COMMON 459200101 1,411 0 0.00 226 0.00 0.0279
2015-02-11 2014-12-31 13F I B M COMMON 459200101 1,411 0 0.00 226 -15.36 0.0419
2014-10-27 2014-09-30 13F I B M COMMON 459200101 1,411 0 0.00 268 4.71 0.0548
2014-08-06 2014-06-30 13F I B M COMMON 459200101 1,411 0 0.00 256 -5.90 0.0495
2014-05-12 2014-03-31 13F I B M COMMON 459200101 1,411 -164 -10.41 272 -8.14 0.0590
2014-02-07 2013-12-31 13F I B M COMMON 459200101 1,575 100 6.78 295 8.06 0.0650
2013-11-06 2013-09-30 13F I B M COMMON 459200101 1,475 40 2.79 273 -0.36 0.0654
2013-07-16 2013-06-30 13F I B M COMMON 459200101 1,435 1,435 274 0.0739
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
(%)
2021-08-02 2021-06-30 13F INTERNATIONAL BUSINESS MACHS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-05-25 2021-03-31 13F INTERNATIONAL BUSINESS MACHS COM Call 500 7 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.