Keysight Technologies, Inc.
MX ˙ BMV ˙ US49338L1035
SecurityMX:KEYS / Keysight Technologies, Inc.
InstitutionRockefeller Capital Management L.P.
Latest Disclosed Ownership172,186 shares
Latest Disclosed Value $ 48,620,319
Rockefeller Capital Management L.P. reports 2.07% increase in ownership of KEYS / Keysight Technologies, Inc.

On May 14, 2026 - Rockefeller Capital Management L.P. filed a 13F-HR form disclosing ownership of 172,186 shares of Keysight Technologies, Inc. (MX:KEYS) valued at $48,620,319 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on March 16, 2026 disclosing 168,692 shares of Keysight Technologies, Inc.. This represents a change in shares of 2.07% 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)
2026-05-14 2026-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 172,186 3,494 2.07 48,620 41.85 0.0447
2026-03-16 2025-12-31 13F/A-1 KEYSIGHT TECHNOLOGIES COM 49338L103 168,692 5,083 3.11 34,277 19.77 0.0617
2026-02-14 2025-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 168,692 5,083 34,277 0.0313
2025-11-14 2025-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 163,609 -14,678 -8.23 28,618 -2.04 0.0560
2025-08-14 2025-06-30 13F/A-1 KEYSIGHT TECHNOLOGIES COM 49338L103 178,287 -54,169 -23.30 29,214 -16.09 0.0641
2025-08-08 2025-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 61,898 -170,558 10,143 0.0128
2025-05-14 2025-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 232,456 -27,148 -10.46 34,815 -16.51 0.0859
2025-02-13 2024-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 259,604 -94,027 -26.59 41,700 -25.80 0.1080
2024-11-14 2024-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 353,631 -7,971 -2.20 56,203 13.66 0.1513
2024-08-12 2024-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 361,602 -13,291 -3.55 49,449 -15.65 0.1405
2024-05-14 2024-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 374,893 12,628 3.49 58,626 1.72 0.1711
2024-02-14 2023-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 362,265 -83,018 -18.64 57,633 -2.18 0.1926
2023-11-14 2023-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 445,283 19,965 4.69 58,915 -17.28 0.2272
2023-08-14 2023-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 425,318 -52,631 -11.01 71,219 92,392.21 0.2759
2023-05-16 2023-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 477,949 81,948 20.69 77 -99.89 0.3319
2023-03-06 2022-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 396,001 -131,300 -24.90 67,742 -18.36 0.3405
2022-11-02 2022-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 527,301 -60,696 -10.32 82,974 2.37 0.4289
2022-08-12 2022-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 587,997 -13,437 -2.23 81,054 -14.69 0.4307
2022-05-13 2022-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 601,434 83,758 16.18 95,006 -11.13 0.4582
2022-02-14 2021-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 517,676 -3,005 -0.58 106,903 24.97 0.4989
2021-11-12 2021-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 520,681 7,507 1.46 85,541 7.95 0.4495
2021-08-10 2021-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 513,174 -1,978 -0.38 79,238 7.27 0.4464
2021-05-11 2021-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 515,152 15,214 3.04 73,871 11.87 0.4999
2021-02-12 2020-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 499,938 7,656 1.56 66,035 35.80 0.5001
2020-11-13 2020-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 492,282 200,857 68.92 48,625 65.57 0.4555
2020-08-12 2020-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 291,425 288,581 10,147.01 29,369 12,239.92 0.3073
2020-05-12 2020-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 2,844 1,056 59.06 238 30.05 0.0031
2020-02-07 2019-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 1,788 284 18.88 183 24.49 0.0023
2019-11-12 2019-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 1,504 1,200 394.74 147 444.44 0.0020
2019-08-09 2019-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 304 -4,863 -94.12 27 -94.00 0.0004
2019-05-10 2019-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 5,167 4,568 762.60 450 1,116.22 0.0064
2019-02-12 2018-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 599 0 0.00 37 -7.50 0.0006
2018-11-02 2018-09-30 13F Keysight Technologies Common 49338L103 599 0 0.00 40 14.29 0.0006
2018-07-31 2018-06-30 13F Keysight Technologies Common 49338L103 599 295 97.04 35 118.75 0.0006
2018-05-09 2018-03-31 13F Keysight Technologies Common 49338L103 304 304 16 0.0003
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.