Tower Research Capital LLC (TRC)
Position in TDY — Teledyne Technologies Inc
CIK 1533421
NEW YORK, NY
Position in TDY
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$660,065
+$57,404 QoQ
Shares Held
1,091
-7.5% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 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 Mar 31, 2026Tower Research Capital LLC (TRC) holds $10,662,956 across 27 Scientific & Technical Instruments names. TDY ranks #4 (6.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KEYS |
Keysight Technologies, Inc.
|
11,599 | $3,275,209 | |
| 2 | COHR |
Coherent Corp.
|
6,246 | $1,487,859 | |
| 3 | TRMB |
Trimble Inc.
|
10,393 | $677,934 | |
| 4 | TDY |
Teledyne Technologies Inc
This page
|
1,091 | $660,065 | |
| 5 | GRMN |
Garmin Ltd
|
2,633 | $610,882 | |
| 6 | ESE |
Esco Technologies Inc
|
2,030 | $571,180 | |
| 7 | NOVT |
Novanta Inc
|
4,687 | $553,581 | |
| 8 | MKSI |
Mks Inc
|
2,401 | $551,772 |
All Filings in TDY
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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 | $281,135 | 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. | ||||||