Tower Research Capital LLC (TRC)
Position in TDY — Teledyne Technologies Inc
CIK 1533421
NEW YORK, NY
Position in TDY
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$438,819
-$221,246 QoQ
Shares Held
658
-39.7% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#519
of 887 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in TDY Over Time
Shares Held
Position Value (USD)
Position in Scientific & Technical Instruments
Technology · as of Jun 30, 2026Tower Research Capital LLC (TRC) holds $10,989,361 across 29 Scientific & Technical Instruments names. TDY ranks #7 (4.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MKSI |
Mks Inc
|
6,591 | $2,931,676 | |
| 2 | COHR |
Coherent Corp.
|
5,010 | $1,976,294 | |
| 3 | CGNX |
Cognex Corp
|
17,741 | $1,284,803 | |
| 4 | KEYS |
Keysight Technologies, Inc.
|
2,703 | $946,239 | |
| 5 | GRMN |
Garmin Ltd
|
3,117 | $740,412 | |
| 6 | NOVT |
Novanta Inc
|
4,201 | $612,431 | |
| 7 | TDY |
Teledyne Technologies Inc
This page
|
658 | $438,819 | |
| 8 | ST |
Sensata Technologies Holding plc
|
7,689 | $367,072 |
All Filings in TDY
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $438,819 | 658 | Shares | Defined | 2026-08-11 | |
| 2026-03-31 | $660,065 | 1,091 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $602,661 | 1,180 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $313,530 | 535 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $412,408 | 805 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $1,513,535 | 3,041 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $1,531,628 | 3,300 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $696,754 | 1,592 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $1,288,093 | 3,320 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $1,487,164 | 3,464 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $3,760,438 | 8,426 | Shares | Other | 2024-02-13 | |
| 2023-09-30 | $842,082 | 2,061 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $281,609 | 685 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $287,652 | 643 | Shares | Other | 2023-05-09 | |
| 2022-12-31 | $280,337 | 703 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $1,667,775 | 4,942 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $887,884 | 2,367 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $3,190,251 | 6,750 | Shares | Other | 2022-05-12 | |
| 2021-12-31 | $1,269,164 | 2,905 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $328,198 | 764 | Shares | Other | 2021-11-15 | |
| 2021-06-30 | $359,774 | 859 | Shares | Other | 2021-08-16 | |
| 2021-03-31 | $632,470 | 1,529 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $198,341 | 506 | Shares | Other | 2021-02-16 | |
| 2020-09-30 | $587,226 | 1,893 | Shares | Other | 2020-11-16 | |
| 2020-06-30 | $4,608,278 | 14,820 | Shares | Other | 2020-08-13 | |
| 2020-03-31 | $69,560 | 234 | Shares | Other | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||