Simplex Trading
TDG icon

Simplex Trading’s TransDigm Group TDG Stock Holding History

Simplex Trading’s Portfolio TDG Stock Details TDG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$4.06M Buy
3,500
+3,400
+3,400% +$4.46M ﹤0.01% 1253
2025
Q4 		$133K Sell
100
-2,300
-96% -$3.01M ﹤0.01% 4685
2025
Q3 		$3.16M Sell
2,400
-19,600
-89% -$28M ﹤0.01% 1878
2025
Q2 		$33.5M Buy
22,000
+16,300
+286% +$22.9M 0.02% 393
2025
Q1 		$7.88M Sell
5,700
-8,600
-60% -$11.5M 0.01% 1020
2024
Q4 		$18.1M Buy
14,300
+11,200
+361% +$14.8M 0.01% 688
2024
Q3 		$4.42M Buy
3,100
+1,000
+48% +$1.3M ﹤0.01% 1594
2024
Q2 		$2.68M Buy
2,100
+1,400
+200% +$1.79M ﹤0.01% 1943
2024
Q1 		$862K Sell
700
-4,300
-86% -$4.84M ﹤0.01% 3279
2023
Q4 		$5.06M Sell
5,000
-18,400
-79% -$17M ﹤0.01% 1539
2023
Q3 		$19.7M Buy
23,400
+14,400
+160% +$12.6M 0.02% 595
2023
Q2 		$8.05M Sell
9,000
-200
-2% -$158K 0.01% 1024
2023
Q1 		$6.78M Buy
9,200
+4,900
+114% +$3.5M 0.01% 1108
2022
Q4 		$2.71M Sell
4,300
-11,300
-72% -$6.66M ﹤0.01% 1639
2022
Q3 		$8.19M Buy
15,600
+4,200
+37% +$2.51M 0.01% 895
2022
Q2 		$6.12M Sell
11,400
-38,200
-77% -$22.5M 0.01% 1034
2022
Q1 		$32.3M Buy
49,600
+46,300
+1,403% +$29.7M 0.03% 395
2021
Q4 		$2.1M Sell
3,300
-9,600
-74% -$6.01M ﹤0.01% 1992
2021
Q3 		$8.5M Buy
12,900
+100
+0.8% +$62.5K 0.01% 820
2021
Q2 		$8.29M Buy
12,800
+12,678
+10,392% +$7.95M 0.01% 811
2021
Q1 		$7.17M Buy
+122
New +$71.9K 0.01% 590
2020
Q3 		– Sell
-115
Closed -$5.08M – 8504
2020
Q2 		$5.08M Buy
115
+3
+3% +$1.14K 0.01% 848
2020
Q1 		$3.59M Sell
112
-442
-80% -$241K 0.01% 884
2019
Q4 		$31M Buy
554
+242
+78% +$132K 0.07% 184
2019
Q3 		$16.2M Buy
312
+73
+31% +$37.4K 0.05% 276
2019
Q2 		$11.6M Buy
239
+119
+99% +$55.7K 0.03% 357
2019
Q1 		$5.45M Buy
120
+45
+60% +$18.3K 0.02% 626
2018
Q4 		$2.55M Buy
75
+2
+3% +$686 0.01% 934
2018
Q3 		$2.72M Buy
73
+9
+14% +$3.24K 0.01% 1004
2018
Q2 		$2.21M Buy
64
+9
+16% +$2.96K 0.01% 1065
2018
Q1 		$19K Sell
55
-50
-48% -$14.7K ﹤0.01% 3430
2017
Q4 		$12K Sell
105
-80
-43% -$21.7K ﹤0.01% 3752
2017
Q3 		$27K Sell
185
-527
-74% -$143K ﹤0.01% 2894
2017
Q2 		$70K Buy
712
+123
+21% +$31.2K ﹤0.01% 2066
2017
Q1 		$364K Buy
589
+566
+2,461% +$135K 0.02% 856
2016
Q4 		$19K Buy
+23
New +$6.04K ﹤0.01% 3083
2016
Q3 		– Sell
-68
Closed -$14K – 6441
2016
Q2 		$14K Buy
68
+29
+74% +$7.08K ﹤0.01% 3262
2016
Q1 		$16K Buy
39
+7
+22% +$1.53K ﹤0.01% 3012
2015
Q4 		$73K Buy
+32
New +$7.2K 0.01% 1614
2015
Q3 		– Sell
-19
Closed -$13K – 6176
2015
Q2 		$13K Sell
19
-17
-47% -$3.81K ﹤0.01% 2853
2015
Q1 		$6K Sell
36
-80
-69% -$16.9K ﹤0.01% 3386
2014
Q4 		$7K Buy
+116
New +$21.9K ﹤0.01% 2876

Other funds holding TDG

Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Simplex Trading's TDG Position: Q3 2025 in Review

Simplex Trading sold out of TransDigm Group (TDG) in Q3 2025, closing a stake of 4,966 shares — an estimated $7.1M sold.

Simplex Trading first reported a position in TDG in Q1 2015 and held it in 26 quarters. The position peaked at $7.55M in Q2 2025. 1,071 funds tracked by Wall St. Rank hold TDG as of Q3 2025.

  • Simplex Trading reported no remaining TransDigm Group position as of Q3 2025 after selling out during the quarter.
  • Simplex Trading sold 4,966 TransDigm Group shares in Q3 2025, an estimated $7.1M.
  • Simplex Trading first reported a position in TransDigm Group in Q1 2015 and held it in 26 quarters.
  • Simplex Trading's TransDigm Group position peaked at $7.55M in Q2 2025.
  • 1,071 funds tracked by Wall St. Rank held TransDigm Group as of Q3 2025.

Based on Simplex Trading's 13F filing for Q3 2025, filed 12 Nov 2025.