Simplex Trading
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Simplex Trading’s Teledyne Technologies TDY Stock Holding History

Simplex Trading’s Portfolio TDY Stock Details TDY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-200
Closed -$117K – 10042
2025
Q3 		$117K Buy
+200
New +$109K ﹤0.01% 5567
2025
Q1 		– Sell
-200
Closed -$92K – 9664
2024
Q4 		$92K Hold
200
– – ﹤0.01% 5258
2024
Q3 		$87K Sell
200
-100
-33% -$41.5K ﹤0.01% 5379
2024
Q2 		$116K Hold
300
– – ﹤0.01% 5230
2024
Q1 		$128K Buy
300
+200
+200% +$85.8K ﹤0.01% 5330
2023
Q4 		$44K Sell
100
-100
-50% -$40.1K ﹤0.01% 6209
2023
Q3 		$81K Sell
200
-1,200
-86% -$487K ﹤0.01% 5307
2023
Q2 		$575K Sell
1,400
-4,900
-78% -$2.02M ﹤0.01% 3158
2023
Q1 		$2.82M Buy
6,300
+5,300
+530% +$2.25M ﹤0.01% 1675
2022
Q4 		$399K Buy
1,000
+900
+900% +$351K ﹤0.01% 3416
2022
Q3 		$33K Hold
100
– – ﹤0.01% 6965
2022
Q2 		$37K Sell
100
-500
-83% -$208K ﹤0.01% 6890
2022
Q1 		$283K Sell
600
-700
-54% -$301K ﹤0.01% 4632
2021
Q4 		$567K Buy
1,300
+300
+30% +$130K ﹤0.01% 3632
2021
Q3 		$421K Hold
1,000
– – ﹤0.01% 4354
2021
Q2 		$417K Buy
1,000
+998
+49,900% +$424K ﹤0.01% 4446
2021
Q1 		$82K Buy
+2
New +$772 ﹤0.01% 6021
2020
Q2 		– Sell
-1
Closed -$29K – 8340
2020
Q1 		$29K Buy
+1
New +$344 ﹤0.01% 5651
2019
Q4 		– Sell
-1
Closed -$32K – 7960
2019
Q3 		$32K Sell
1
-2
-67% -$597 ﹤0.01% 5443
2019
Q2 		$82K Buy
3
+1
+50% +$249 ﹤0.01% 4394
2019
Q1 		$47K Sell
2
-1
-33% -$227 ﹤0.01% 5055
2018
Q4 		$62K Buy
+3
New +$656 ﹤0.01% 4327
2018
Q3 		– Sell
-4
Closed -$79K – 8045
2018
Q2 		$79K Buy
+4
New +$790 ﹤0.01% 4555

Other funds holding TDY

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Aristotle Capital Management
Aristotle Capital Management Los Angeles, California $47.8B AUM 13.38% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Simplex Trading's TDY Position: Q1 2026 in Review

Simplex Trading opened a new position in Teledyne Technologies (TDY) in Q1 2026: 34 shares worth $20.6K. The stake represents ﹤0.01% of the portfolio and ranks #6752 among its holdings. This is a return to the name: Simplex Trading previously reported a position in TDY as recently as Q3 2025.

Simplex Trading first reported a position in TDY in Q2 2017 and has held it in 17 quarters since. The position peaked at $2.01M in Q4 2019. 844 funds tracked by Wall St. Rank hold TDY as of Q1 2026.

  • Simplex Trading held 34 shares of Teledyne Technologies worth $20.6K as of Q1 2026.
  • Teledyne Technologies was a new Simplex Trading position in Q1 2026.
  • Teledyne Technologies made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #6752 holding.
  • Simplex Trading first reported a position in Teledyne Technologies in Q2 2017 and has held it in 17 quarters since.
  • Simplex Trading's Teledyne Technologies position peaked at $2.01M in Q4 2019.
  • 844 funds tracked by Wall St. Rank held Teledyne Technologies as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.