Keysight Technologies, Inc.
MX ˙ BMV ˙ US49338L1035
SecurityMX:KEYS / Keysight Technologies, Inc.
InstitutionCitigroup Inc
Latest Disclosed Ownership245,605 shares
Latest Disclosed Value $ 69,351,484
Citigroup Inc ownership in KEYS / Keysight Technologies, Inc.

On May 11, 2026 - Citigroup Inc filed a 13F-HR form disclosing ownership of 245,605 shares of Keysight Technologies, Inc. (MX:KEYS) valued at $69,351,484 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 254,992 shares of Keysight Technologies, Inc.. This represents a change in shares of -3.68% during the quarter.

Citigroup Inc has a history of taking positions in derivatives of the underlying security (KEYS) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put 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.

Upgrade to unlock premium data and export to Excel .

Institutional Put/Call Ratios
(Premium Subscription Required)

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:KEYS / Keysight Technologies, Inc. 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)
2026-05-11 2026-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 245,605 -9,387 -3.68 69,351 33.85 0.0296
2026-02-13 2025-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 254,992 -665,294 -72.29 51,812 -67.81 0.0229
2025-11-10 2025-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 920,286 -165,543 -15.25 160,976 -9.52 0.0718
2025-08-11 2025-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 1,085,829 -10,085 -0.92 177,924 8.40 0.0874
2025-05-12 2025-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 1,095,914 296,028 37.01 164,135 27.75 0.0839
2025-02-12 2024-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 799,886 24,856 3.21 128,486 4.31 0.0762
2024-11-12 2024-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 775,030 -8,818 -1.12 123,176 14.91 0.0713
2024-08-12 2024-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 783,848 42,065 5.67 107,191 -7.59 0.0687
2024-05-10 2024-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 741,783 -4,391 -0.59 116,000 -2.28 0.0762
2024-02-09 2023-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 746,174 5,764 0.78 118,709 21.18 0.0836
2023-12-06 2023-09-30 13F/A-1 KEYSIGHT TECHNOLOGIES COM 49338L103 740,410 276,065 59.45 97,964 25.99 0.0732
2023-11-09 2023-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 740,410 276,065 97,964 0.0293
2023-08-10 2023-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 464,345 -25,014 -5.11 77,755 -1.60 0.0510
2023-05-11 2023-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 489,359 48,144 10.91 79,022 4.69 0.0554
2023-02-09 2022-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 441,215 3,284 0.75 75,479 9.53 0.0601
2022-11-10 2022-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 437,931 226,944 107.56 68,913 136.94 0.0493
2022-08-10 2022-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 210,987 -2,809 -1.31 29,084 -13.89 0.0216
2022-05-12 2022-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 213,796 37,070 20.98 33,774 -7.46 0.0205
2022-02-10 2021-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 176,726 -48,057 -21.38 36,495 -1.18 0.0195
2021-11-10 2021-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 224,783 -51,582 -18.66 36,930 -13.46 0.0218
2021-08-10 2021-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 276,365 80,234 40.91 42,673 51.73 0.0257
2021-05-13 2021-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 196,131 -74,539 -27.54 28,125 -21.34 0.0182
2021-02-11 2020-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 270,670 53,982 24.91 35,753 67.03 0.0211
2020-11-12 2020-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 216,688 40,092 22.70 21,405 20.27 0.0140
2020-08-12 2020-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 176,596 -252,795 -58.87 17,798 -50.47 0.0139
2020-05-12 2020-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 429,391 -299,312 -41.07 35,931 -51.96 0.0325
2020-02-12 2019-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 728,703 664,466 1,034.40 74,787 1,096.98 0.0541
2019-11-08 2019-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 64,237 -27,433 -29.93 6,248 -24.11 0.0050
2019-08-12 2019-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 91,670 -23,798 -20.61 8,233 -18.23 0.0067
2019-05-13 2019-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 115,468 18,044 18.52 10,069 66.48 0.0097
2019-02-12 2018-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 97,424 65,316 203.43 6,048 184.34 0.0061
2018-11-13 2018-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 32,108 -7,387 -18.70 2,127 -8.79 0.0019
2018-08-10 2018-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 39,495 18,265 86.03 2,332 109.71 0.0021
2018-05-11 2018-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 21,230 18,097 577.63 1,112 748.85 0.0009
2018-02-12 2017-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 3,133 796 34.06 131 35.05 0.0001
2017-11-13 2017-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 2,337 -1,052 -31.04 97 -25.95 0.0001
2017-08-11 2017-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 3,389 -10,478 -75.56 131 -73.85 0.0001
2017-05-12 2017-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 13,867 -10,764 -43.70 501 -44.40 0.0004
2017-02-10 2016-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 24,631 17,026 223.88 901 273.86 0.0008
2016-11-10 2016-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 7,605 -994 -11.56 241 -3.60 0.0002
2016-08-12 2016-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 8,599 3,561 70.68 250 79.86 0.0003
2016-05-13 2016-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 5,038 -1,619 -24.32 139 -26.46 0.0002
2016-02-12 2015-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 6,657 -670 -9.14 189 -16.74 0.0002
2015-11-13 2015-09-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 7,327 -51,720 -87.59 227 -87.68 0.0002
2015-08-13 2015-06-30 13F KEYSIGHT TECHNOLOGIES COM 49338L103 59,047 20,785 54.32 1,842 29.54 0.0016
2015-05-14 2015-03-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 38,262 -157,434 -80.45 1,422 -78.48 0.0014
2015-02-17 2014-12-31 13F KEYSIGHT TECHNOLOGIES COM 49338L103 195,696 195,696 6,608 0.0059
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
(%)
2021-05-13 2021-03-31 13F KEYSIGHT TECHNOLOGIES COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-11 2020-12-31 13F KEYSIGHT TECHNOLOGIES COM Call 4,200 -6.67 555 24.72 n/a n/a n/a
2020-11-12 2020-09-30 13F KEYSIGHT TECHNOLOGIES COM Call 4,500 -33.82 445 -35.04 n/a n/a n/a
2020-08-12 2020-06-30 13F KEYSIGHT TECHNOLOGIES COM Call 6,800 -26.88 685 -11.95 n/a n/a n/a
2020-05-12 2020-03-31 13F KEYSIGHT TECHNOLOGIES COM Call 9,300 -26.77 778 -40.29 n/a n/a n/a
2020-02-12 2019-12-31 13F KEYSIGHT TECHNOLOGIES COM Call 12,700 -53.14 1,303 -50.57 n/a n/a n/a
2019-11-08 2019-09-30 13F KEYSIGHT TECHNOLOGIES COM Call 27,100 131.62 2,636 150.81 n/a n/a n/a
2019-08-12 2019-06-30 13F KEYSIGHT TECHNOLOGIES COM Call 11,700 1,051 n/a n/a n/a
2019-05-13 2019-03-31 13F KEYSIGHT TECHNOLOGIES COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2019-02-12 2018-12-31 13F KEYSIGHT TECHNOLOGIES COM Call 500 -28.57 31 -32.61 n/a n/a n/a
2018-11-13 2018-09-30 13F KEYSIGHT TECHNOLOGIES COM Call 700 16.67 46 31.43 n/a n/a n/a
2018-08-10 2018-06-30 13F KEYSIGHT TECHNOLOGIES COM Call 600 -70.00 35 -66.67 n/a n/a n/a
2018-05-11 2018-03-31 13F KEYSIGHT TECHNOLOGIES COM Call 2,000 100.00 105 150.00 n/a n/a n/a
2018-02-12 2017-12-31 13F KEYSIGHT TECHNOLOGIES COM Call 1,000 -50.00 42 -49.40 n/a n/a n/a
2017-11-13 2017-09-30 13F KEYSIGHT TECHNOLOGIES COM Call 2,000 1,900.00 83 1,975.00 n/a n/a n/a
2017-08-11 2017-06-30 13F KEYSIGHT TECHNOLOGIES COM Call 100 -95.83 4 -95.40 n/a n/a n/a
2017-05-12 2017-03-31 13F KEYSIGHT TECHNOLOGIES COM Call 2,400 -92.66 87 -92.73 n/a n/a n/a
2017-02-10 2016-12-31 13F KEYSIGHT TECHNOLOGIES COM Call 32,700 -21.01 1,196 -8.84 n/a n/a n/a
2016-11-10 2016-09-30 13F KEYSIGHT TECHNOLOGIES COM Call 41,400 1,871.43 1,312 2,050.82 n/a n/a n/a
2016-08-12 2016-06-30 13F KEYSIGHT TECHNOLOGIES COM Call 2,100 0.00 61 5.17 n/a n/a n/a
2016-05-13 2016-03-31 13F KEYSIGHT TECHNOLOGIES COM Call 2,100 58 n/a n/a n/a
2016-02-12 2015-12-31 13F KEYSIGHT TECHNOLOGIES COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2015-11-13 2015-09-30 13F KEYSIGHT TECHNOLOGIES COM Call 14,900 0.00 460 -1.08 n/a n/a n/a
2015-08-13 2015-06-30 13F KEYSIGHT TECHNOLOGIES COM Call 14,900 -21.37 465 -33.95 n/a n/a n/a
2015-05-14 2015-03-31 13F KEYSIGHT TECHNOLOGIES COM Call 18,950 -57.75 704 -53.53 n/a n/a n/a
2015-02-17 2014-12-31 13F KEYSIGHT TECHNOLOGIES COM Call 44,850 1,515 n/a n/a n/a
Disclosed Put 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
(%)
2024-02-09 2023-12-31 13F KEYSIGHT TECHNOLOGIES COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2023-12-06 2023-09-30 13F/A KEYSIGHT TECHNOLOGIES COM Put 33,800 4,472 n/a n/a n/a
2023-11-09 2023-09-30 13F KEYSIGHT TECHNOLOGIES COM Put 33,800 4,472 n/a n/a n/a
2021-05-13 2021-03-31 13F KEYSIGHT TECHNOLOGIES COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-11 2020-12-31 13F KEYSIGHT TECHNOLOGIES COM Put 1,300 -27.78 172 -3.37 n/a n/a n/a
2020-11-12 2020-09-30 13F KEYSIGHT TECHNOLOGIES COM Put 1,800 -43.75 178 -44.72 n/a n/a n/a
2020-08-12 2020-06-30 13F KEYSIGHT TECHNOLOGIES COM Put 3,200 100.00 322 140.30 n/a n/a n/a
2020-05-12 2020-03-31 13F KEYSIGHT TECHNOLOGIES COM Put 1,600 -88.49 134 -90.61 n/a n/a n/a
2020-02-12 2019-12-31 13F KEYSIGHT TECHNOLOGIES COM Put 13,900 67.47 1,427 76.83 n/a n/a n/a
2019-11-08 2019-09-30 13F KEYSIGHT TECHNOLOGIES COM Put 8,300 -47.80 807 -43.49 n/a n/a n/a
2019-08-12 2019-06-30 13F KEYSIGHT TECHNOLOGIES COM Put 15,900 1,428 n/a n/a n/a
2019-02-12 2018-12-31 13F KEYSIGHT TECHNOLOGIES COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2018-11-13 2018-09-30 13F KEYSIGHT TECHNOLOGIES COM Put 5,100 183.33 338 218.87 n/a n/a n/a
2018-08-10 2018-06-30 13F KEYSIGHT TECHNOLOGIES COM Put 1,800 20.00 106 34.18 n/a n/a n/a
2018-05-11 2018-03-31 13F KEYSIGHT TECHNOLOGIES COM Put 1,500 -62.50 79 -52.41 n/a n/a n/a
2018-02-12 2017-12-31 13F KEYSIGHT TECHNOLOGIES COM Put 4,000 166 n/a n/a n/a
2017-11-13 2017-09-30 13F KEYSIGHT TECHNOLOGIES COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2017-08-11 2017-06-30 13F KEYSIGHT TECHNOLOGIES COM Put 3,100 -77.86 121 -76.09 n/a n/a n/a
2017-05-12 2017-03-31 13F KEYSIGHT TECHNOLOGIES COM Put 14,000 -31.03 506 -31.81 n/a n/a n/a
2017-02-10 2016-12-31 13F KEYSIGHT TECHNOLOGIES COM Put 20,300 -13.98 742 -0.80 n/a n/a n/a
2016-11-10 2016-09-30 13F KEYSIGHT TECHNOLOGIES COM Put 23,600 103.45 748 121.96 n/a n/a n/a
2016-08-12 2016-06-30 13F KEYSIGHT TECHNOLOGIES COM Put 11,600 8.41 337 13.47 n/a n/a n/a
2016-05-13 2016-03-31 13F KEYSIGHT TECHNOLOGIES COM Put 10,700 297 n/a n/a n/a
2016-02-12 2015-12-31 13F KEYSIGHT TECHNOLOGIES COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2015-11-13 2015-09-30 13F KEYSIGHT TECHNOLOGIES COM Put 12,300 -5.02 379 -6.19 n/a n/a n/a
2015-08-13 2015-06-30 13F KEYSIGHT TECHNOLOGIES COM Put 12,950 -4.43 404 -19.68 n/a n/a n/a
2015-05-14 2015-03-31 13F KEYSIGHT TECHNOLOGIES COM Put 13,550 -82.40 503 -80.65 n/a n/a n/a
2015-02-17 2014-12-31 13F KEYSIGHT TECHNOLOGIES COM Put 77,000 2,600 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.