Position in BMI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$6,099,788
+$3,552,182 QoQ
Shares Held
40,038
+174.1% QoQ
Ownership
0.137%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in BMI Over Time
Shares Held
Position Value (USD)
Derivatives in BMI
reported options exposure · as of Mar 31, 2026CallValue
$670,340
CallShares
4,400
PutValue
$1,843,435
PutShares
12,100
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. BMI ranks #12 (0.7% 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.
|
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 BMI
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $670,340 | 4,400 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $6,099,788 | 40,038 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $1,843,435 | 12,100 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $1,447,603 | 8,300 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $749,963 | 4,300 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $2,547,606 | 14,607 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $2,482,262 | 13,900 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $3,160,866 | 17,700 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $3,676,961 | 20,590 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $477,162 | 1,948 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $465,405 | 1,900 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $1,053,285 | 4,300 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $570,750 | 3,000 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $856,125 | 4,500 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $8,843,010 | 46,481 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $1,227,326 | 5,786 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $1,166,660 | 5,500 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $1,145,448 | 5,400 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $655,230 | 3,000 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $1,485,188 | 6,800 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $3,991,661 | 18,276 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,174,005 | 6,300 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $4,228,095 | 22,689 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $3,279,760 | 17,600 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $404,525 | 2,500 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $3,968,551 | 24,526 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $2,540,417 | 15,700 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $1,929,625 | 12,500 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $602,043 | 3,900 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $6,181,745 | 40,045 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $3,740 | 26 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $1,438,700 | 10,000 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $517,932 | 3,600 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $139,739 | 947 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $545,972 | 3,700 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $162,316 | 1,100 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $633,464 | 5,200 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $12,182 | 100 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $1,495,462 | 12,276 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $3,774,618 | 34,620 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $337,993 | 3,100 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $545,150 | 5,000 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $563,579 | 6,100 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $4,042,801 | 43,758 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $203,258 | 2,200 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $606,675 | 7,500 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $894,238 | 11,055 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $372,094 | 4,600 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $578,318 | 5,800 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $203,607 | 2,042 | Shares | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||