International Business Machines Corporation
MX ˙ BMV ˙ US4592001014
SecurityMX:IBM / International Business Machines Corporation
InstitutionNorthRock Partners, LLC
Latest Disclosed Ownership17,298 shares
Latest Disclosed Value $ 4,192,949
NorthRock Partners, LLC ownership in IBM / International Business Machines Corporation

On May 15, 2026 - NorthRock Partners, LLC filed a 13F-HR form disclosing ownership of 17,298 shares of International Business Machines Corporation (MX:IBM) valued at $4,192,949 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 17,731 shares of International Business Machines Corporation. This represents a change in shares of -2.44% during the quarter.

NorthRock Partners, LLC 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)
2026-05-15 2026-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 17,298 -433 -2.44 4,193 -20.18 0.0676
2026-02-17 2025-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 17,731 -8,135 -31.45 5,252 -28.04 0.0886
2025-11-14 2025-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 25,866 5,029 24.13 7,298 18.84 0.1318
2025-11-14 2025-06-30 13F/A-1 INTERNATIONAL BUSINESS MACHS COM 459200101 20,837 635 3.14 6,142 22.26 0.1599
2025-07-25 2025-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 20,837 635 6,142 0.1588
2025-05-08 2025-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 20,202 -583 -2.80 5,023 9.94 0.1686
2025-04-22 2024-12-31 13F/A-1 INTERNATIONAL BUSINESS MACHS COM 459200101 20,785 1,223 6.25 4,569 5.67 0.1488
2025-02-14 2024-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 21,274 1,712 4,677 0.1529
2025-04-22 2024-09-30 13F/A-1 INTERNATIONAL BUSINESS MACHS COM 459200101 19,562 982 5.29 4,325 34.58 0.1422
2024-10-30 2024-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,613 -14,967 799 0.0706
2025-04-22 2024-06-30 13F/A-1 INTERNATIONAL BUSINESS MACHS COM 459200101 18,580 3,705 24.91 3,213 13.13 0.1208
2024-08-06 2024-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,310 -11,565 572 0.0513
2025-04-22 2024-03-31 13F/A-1 INTERNATIONAL BUSINESS MACHS COM 459200101 14,875 328 2.25 2,841 19.38 0.1090
2024-05-07 2024-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,470 -11,077 663 0.0561
2025-04-22 2023-12-31 13F/A-1 INTERNATIONAL BUSINESS MACHS COM 459200101 14,547 8,805 153.34 2,379 195.53 0.0996
2024-02-08 2023-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 5,317 -425 870 0.0811
2023-10-24 2023-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 5,742 -15 -0.26 806 4.55 0.0840
2023-08-02 2023-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 5,757 -641 -10.02 770 -8.11 0.0844
2023-05-04 2023-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 6,398 -727 -10.20 839 -16.45 0.0893
2023-02-01 2022-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 7,125 -264 -3.57 1,004 14.24 0.1143
2022-11-02 2022-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 7,389 -5,427 -42.35 878 -51.49 0.1020
2022-08-04 2022-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 12,816 -1,619 -11.22 1,810 -3.57 0.1881
2022-05-05 2022-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 14,435 -1,514 -9.49 1,877 -11.96 0.1688
2022-02-07 2021-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 15,949 -10,802 -40.38 2,132 -39.94 0.1597
2021-11-12 2021-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 26,751 1,706 6.81 3,550 -3.30 0.2902
2021-08-12 2021-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 25,045 1,785 7.67 3,671 18.42 0.3066
2021-05-11 2021-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 23,260 -1,339 -5.44 3,100 0.10 0.2820
2021-02-08 2020-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 24,599 -3,624 -12.84 3,097 -9.81 0.3052
2020-11-12 2020-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 28,223 7,796 38.17 3,434 39.20 0.3809
2020-08-13 2020-06-30 13F/A-1 INTERNATIONAL BUSINESS MACHS COM 459200101 20,427 5,630 38.05 2,467 50.34 0.2923
2020-08-11 2020-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 20,425 5,628 2,467 292,111.3362
2020-05-13 2020-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 14,797 -2,631 -15.10 1,641 -29.75 0.2298
2020-02-12 2019-12-31 13F/A-1 INTERNATIONAL BUSINESS MACHS COM 459200101 17,428 8,851 103.19 2,336 87.33 0.2468
2020-02-12 2019-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 17,424 8,847 2,336 246,761.2585
2019-11-12 2019-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 8,577 8,577 1,247 0.1700
2017-02-10 2016-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 0 -3,494 -100.00 0 -100.00
2016-11-14 2016-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,494 -388 -9.99 333 -11.90 0.1425
2016-08-10 2016-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,882 3,882 0.00 378 0.1692
2015-11-12 2015-09-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 0 -3,240 -100.00 0 -100.00
2015-08-13 2015-06-30 13F INTERNATIONAL BUSINESS MACHS COM 459200101 3,240 260 8.72 311 17.36 0.1438
2015-05-14 2015-03-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 2,980 887 42.38 265 -21.13 0.1576
2015-02-17 2014-12-31 13F INTERNATIONAL BUSINESS MACHS COM 459200101 2,093 2,093 336 0.2062
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
(%)
2026-05-15 2026-03-31 13F INTERNATIONAL BUSINESS MACHS COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2026-02-17 2025-12-31 13F INTERNATIONAL BUSINESS MACHS COM Call 100 30 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.