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SIMPLEX TRADING, LLC

Position in TDY — Teledyne Technologies Inc

CIK 1488542 CHICAGO, IL

Position in TDY

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$86,697
+$66,127 QoQ
Shares Held
130
+282.4% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#710
of 885 holders
Holding Since
Jun 2020
12 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, 2026

SIMPLEX TRADING, LLC holds $23,150,058 across 13 Scientific & Technical Instruments names. TDY ranks #11 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in TDY

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12 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $86,697 130
2026-03-31 $20,570 34
2025-09-30 $1 2
2024-09-30 $13,129 30
2024-06-30 $36,470 94
2023-06-30 $61,255 149
2023-03-31 $413,808 925
2022-12-31 $186,358 466
2021-12-31 $929,701 2,128
2021-03-31 $232,471 562
2020-09-30 $620 2
2020-06-30 $84,578 272