Position in KEYS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$223,590,730
-$44,112,297 QoQ
Shares Held
791,836
-39.9% QoQ
Ownership
0.463%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in KEYS Over Time
Shares Held
Position Value (USD)
Derivatives in KEYS
reported options exposure · as of Mar 31, 2026CallValue
$15,728,009
CallShares
55,700
PutValue
$67,571,141
PutShares
239,300
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Scientific & Technical Instruments
Technology · as of Mar 31, 2026CITADEL ADVISORS LLC holds $871,109,883 across 24 Scientific & Technical Instruments names. KEYS ranks #2 (25.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | COHR |
Coherent Corp.
|
1,079,094 | $257,050,981 | |
| 2 | KEYS |
Keysight Technologies, Inc.
This page
|
791,836 | $223,590,730 | |
| 3 | MKSI |
Mks Inc
|
947,032 | $217,637,423 | |
| 4 | GRMN |
Garmin Ltd
|
154,306 | $35,800,534 | |
| 5 | ITRI |
Itron, Inc.
|
321,017 | $28,772,752 | |
| 6 | ESE |
Esco Technologies Inc
|
93,116 | $26,200,048 | |
| 7 | TRMB |
Trimble Inc.
|
338,112 | $22,055,045 | |
| 8 | FTV |
Fortive Corp
|
311,866 | $17,239,952 |
All Filings in KEYS
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $223,590,730 | 791,836 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $15,728,009 | 55,700 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $67,571,141 | 239,300 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $267,703,027 | 1,317,501 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $13,918,515 | 68,500 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $6,278,571 | 30,900 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $6,227,152 | 35,600 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $11,247,356 | 64,300 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $6,242,369 | 35,687 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $8,209,386 | 50,100 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $3,425,984 | 20,908 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $15,501,156 | 94,600 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $15,021,931 | 100,300 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $1,035,959 | 6,917 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $12,940,128 | 86,400 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $84,450,579 | 525,746 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $14,906,464 | 92,800 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $10,151,816 | 63,200 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $25,122,064 | 158,070 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $20,263,575 | 127,500 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $5,276,476 | 33,200 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $16,847,600 | 123,200 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $46,030,186 | 336,601 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $7,589,625 | 55,500 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $9,320,248 | 59,600 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $21,642,992 | 138,400 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $366,241 | 2,342 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $93,887,599 | 590,154 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $20,156,703 | 126,700 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $12,297,657 | 77,300 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $118,238,301 | 893,646 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $19,595,111 | 148,100 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $26,488,462 | 200,200 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $61,752,880 | 368,784 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $11,436,835 | 68,300 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $8,975,320 | 53,600 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $11,352,044 | 70,300 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $13,564,320 | 84,000 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $63,922,503 | 395,854 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $10,383,949 | 60,700 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $14,592,271 | 85,300 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $196,559 | 1,149 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $22,111,755 | 140,517 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $9,425,864 | 59,900 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $13,045,144 | 82,900 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $8,422,635 | 61,100 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $10,297,395 | 74,700 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $42,531,273 | 308,533 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $14,185,706 | 89,800 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $20,583,491 | 130,300 | Call | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||