Keysight Technologies, Inc.
US ˙ NYSE ˙ US49338L1035

SecurityKEYS / Keysight Technologies, Inc.
InstitutionVestmark Advisory Solutions, Inc.
Latest Disclosed Ownership4,366 shares
Latest Disclosed Value $ 1,232,827
Vestmark Advisory Solutions, Inc. reports 16.93% increase in ownership of KEYS / Keysight Technologies, Inc.

On May 15, 2026 - Vestmark Advisory Solutions, Inc. filed a 13F-HR form disclosing ownership of 4,366 shares of Keysight Technologies, Inc. (US:KEYS) valued at $1,232,827 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 3,734 shares of Keysight Technologies, Inc.. This represents a change in shares of 16.93% during the quarter. The current value of the position is $1,530,196 USD.

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)
2026-05-15 2026-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 4,366 632 16.93 1,233 62.53 0.0085
2026-02-06 2025-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 3,734 3,734 759 0.0102
2025-11-10 2025-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 0 -6,269 -100.00 0 -100.00
2025-08-06 2025-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 6,269 6,269 1,027 0.0148
2023-11-06 2023-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 0 -3,848 -100.00 0 -100.00
2023-08-07 2023-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 3,848 569 17.35 644 21.74 0.0245
2023-05-09 2023-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 3,279 -1,255 -27.68 529 -31.74 0.0229
2023-01-20 2022-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 4,534 -328 -6.75 776 1.31 0.0378
2022-11-03 2022-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 4,862 -4 -0.08 765 14.01 0.0426
2022-08-04 2022-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 4,866 -976 -16.71 671 -27.30 0.0383
2022-04-27 2022-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 5,842 -52 -0.88 923 -24.16 0.0522
2022-01-31 2021-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 5,894 1,351 29.74 1,217 63.14 0.0687
2021-11-15 2021-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 4,543 -218 -4.58 746 1.50 0.0505
2021-08-09 2021-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 4,761 817 20.72 735 29.86 0.0523
2021-05-10 2021-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 3,944 -928 -19.05 566 -12.11 0.0502
2021-02-04 2020-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 4,872 145 3.07 644 37.90 0.0723
2020-10-19 2020-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 4,727 1,429 43.33 467 40.66 0.0627
2020-08-13 2020-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 3,298 5 0.15 332 20.29 0.0514
2020-05-06 2020-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 3,293 3,293 276 0.0540
2020-02-14 2019-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 0 -2,240 -100.00 0 -100.00
2019-11-05 2019-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 2,240 -55 -2.40 218 5.83 0.0353
2019-08-20 2019-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 2,295 2,295 206 0.0352
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.