Position in ST
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$5,929,737
+$4,805,656 QoQ
Shares Held
124,209
+289.2% QoQ
Ownership
0.085%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#109
of 464 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ST Over Time
Shares Held
Position Value (USD)
Derivatives in ST
reported options exposure · as of Jun 30, 2026CallValue
$10,297,518
CallShares
215,700
PutValue
$1,737,736
PutShares
36,400
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 Jun 30, 2026CITADEL ADVISORS LLC holds $770,658,471 across 26 Scientific & Technical Instruments names. ST ranks #10 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MKSI |
Mks Inc
|
697,670 | $310,323,615 | |
| 2 | KEYS |
Keysight Technologies, Inc.
|
555,953 | $194,622,466 | |
| 3 | GRMN |
Garmin Ltd
|
281,919 | $66,967,039 | |
| 4 | COHR |
Coherent Corp.
|
161,095 | $63,547,144 | |
| 5 | NOVT |
Novanta Inc
|
481,821 | $62,039,303 | |
| 6 | VNT |
Vontier Corp
|
674,348 | $19,556,092 | |
| 7 | TDY |
Teledyne Technologies Inc
|
19,981 | $13,325,328 | |
| 8 | ITRI |
Itron, Inc.
|
121,080 | $10,477,051 |
All Filings in ST
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,929,737 | 124,209 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $10,297,518 | 215,700 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $1,737,736 | 36,400 | Put | Defined | 2026-08-14 | |
| 2026-03-31 | $947,418 | 26,900 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $1,124,081 | 31,916 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $4,603,254 | 130,700 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $2,842,966 | 85,400 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $37,358,603 | 1,122,217 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $2,353,603 | 70,700 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $2,111,005 | 69,100 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $22,920,412 | 750,259 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $2,627,300 | 86,000 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $29,796,674 | 989,594 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $2,044,469 | 67,900 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $2,231,151 | 74,100 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $2,640,576 | 108,800 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $12,484,778 | 514,412 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $1,303,299 | 53,700 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $487,720 | 17,800 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $16,031,931 | 585,107 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $4,129,180 | 150,700 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $1,624,458 | 45,300 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $732,799 | 20,435 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $2,205,390 | 61,500 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $4,576,536 | 122,400 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $31,021,510 | 829,674 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $4,797,137 | 128,300 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $1,870,066 | 50,900 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $18,316,543 | 498,545 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $1,778,216 | 48,400 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $6,290,870 | 167,444 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $4,091,373 | 108,900 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $1,795,846 | 47,800 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $1,304,790 | 34,500 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $1,437,160 | 38,000 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $5,197,678 | 137,432 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $41,895,902 | 931,227 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $958,287 | 21,300 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $206,954 | 4,600 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $63,270,598 | 1,264,906 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $540,216 | 10,800 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $760,304 | 15,200 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $2,749,878 | 68,100 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $977,196 | 24,200 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $88,988,272 | 2,203,771 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $121,765,762 | 3,266,249 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $2,430,656 | 65,200 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $667,312 | 17,900 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $53,538,998 | 1,296,030 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $433,755 | 10,500 | Call | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||