Keysight Technologies, Inc.
KEYS- Exchange
- NYSE
- Industry
- Industrial Instruments For Measurement, Display, and Control
- SEC CIK
- 0001601046
In the last 90 days, Keysight Technologies, Inc. insiders filed 0 open-market purchases and 6 sales; 1,258 institutions reported holding it in 13F filings for Q2 2026, worth $53.8B in total; 3 superinvestors hold it, including Third Point and Giverny Capital.
Holders of 5% or more of KEYS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Keysight Technologies, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 9.00%15.7M shares | – | Feb 5, 20251 filing | Feb 5, 2025 | SEC |
| Price T Rowe Associates Inc | 13G/A | 8.70%15.0M shares | −0.60 ppfrom 9.30% | Feb 7, 20253 filings | May 15, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
5 Schedule 13D and 13G filings on Keysight Technologies, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 202610:38 AM ET | Price T Rowe Associates Inc | 13G/A | 5.60%9.62M shares | −3.10 ppfrom 8.70% | Jun 30, 2026 | SEC |
| May 15, 202610:07 AM ET | Price T Rowe Associates Inc | 13G/A | 8.70%15.0M shares | −0.60 ppfrom 9.30% | Mar 31, 2026 | SEC |
| Apr 30, 202611:14 AM ET | Vanguard Capital Management LLC | 13G | 7.50%12.9M shares | New | Mar 31, 2026 | SEC |
| Apr 29, 20262:10 PM ET | Vanguard Portfolio Management LLC | 13G | 5.03%8.64M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 202610:19 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 14, 20259:44 AM ET | Price T Rowe Associates Inc | 13G/A | 9.30%16.1M shares | −0.90 ppfrom 10.20% | Dec 31, 2024 | SEC |
| Feb 7, 202511:55 AM ET | Price T Rowe Associates Inc | 13G/A | 10.20%17.7M shares | – | Jan 31, 2025 | SEC |
| Feb 5, 20251:23 PM ET | BlackRock, Inc. | 13G/A | 9.00%15.7M shares | – | Dec 31, 2024 | SEC |
| Mar 9, 20225:26 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 7, 20224:33 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Price T Rowe Associates Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 26, 20217:14 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Keysight Technologies, Inc. shares.
No Form 144 notices for Keysight Technologies, Inc. are on file.