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 		$811K Sell
700
-100
-13% -$131K ﹤0.01% 2710
2025
Q4 		$1.06M Sell
800
-700
-47% -$918K ﹤0.01% 2567
2025
Q3 		$1.98M Sell
1,500
-500
-25% -$715K ﹤0.01% 2337
2025
Q2 		$3.04M Buy
2,000
+600
+43% +$843K ﹤0.01% 1749
2025
Q1 		$1.94M Sell
1,400
-6,600
-83% -$8.8M ﹤0.01% 2063
2024
Q4 		$10.1M Buy
8,000
+5,900
+281% +$7.77M 0.01% 1027
2024
Q3 		$3M Buy
2,100
+1,800
+600% +$2.34M ﹤0.01% 1922
2024
Q2 		$383K Sell
300
-100
-25% -$128K ﹤0.01% 3943
2024
Q1 		$492K Sell
400
-4,400
-92% -$4.95M ﹤0.01% 3880
2023
Q4 		$4.86M Sell
4,800
-3,400
-41% -$3.14M ﹤0.01% 1575
2023
Q3 		$6.91M Sell
8,200
-13,500
-62% -$11.8M 0.01% 1137
2023
Q2 		$19.4M Buy
21,700
+14,600
+206% +$11.5M 0.02% 587
2023
Q1 		$5.23M Buy
7,100
+3,000
+73% +$2.14M ﹤0.01% 1272
2022
Q4 		$2.58M Sell
4,100
-7,500
-65% -$4.42M ﹤0.01% 1673
2022
Q3 		$6.09M Buy
11,600
+10,200
+729% +$6.09M 0.01% 1067
2022
Q2 		$751K Sell
1,400
-1,800
-56% -$1.06M ﹤0.01% 2954
2022
Q1 		$2.08M Buy
3,200
+1,500
+88% +$964K ﹤0.01% 2065
2021
Q4 		$1.08M Buy
1,700
+1,100
+183% +$689K ﹤0.01% 2750
2021
Q3 		$395K Hold
600
– – ﹤0.01% 4471
2021
Q2 		$388K Buy
600
+589
+5,355% +$369K ﹤0.01% 4556
2021
Q1 		$646K Buy
+11
New +$6.48K ﹤0.01% 2989
2020
Q3 		– Sell
-160
Closed -$7.07M – 8502
2020
Q2 		$7.07M Buy
160
+145
+967% +$54.9K 0.01% 669
2020
Q1 		$480K Sell
15
-191
-93% -$104K ﹤0.01% 2633
2019
Q4 		$11.5M Buy
206
+196
+1,960% +$107K 0.03% 416
2019
Q3 		$520K Sell
10
-4
-29% -$2.05K ﹤0.01% 2579
2019
Q2 		$677K Sell
14
-21
-60% -$9.82K ﹤0.01% 2292
2019
Q1 		$1.59M Sell
35
-64
-65% -$26K ﹤0.01% 1577
2018
Q4 		$3.37M Sell
99
-4
-4% -$1.37K 0.01% 772
2018
Q3 		$3.83M Sell
103
-102
-50% -$36.7K 0.01% 780
2018
Q2 		$7.08M Buy
205
+21
+11% +$6.9K 0.03% 445
2018
Q1 		$697K Buy
184
+89
+94% +$26.2K 0.03% 549
2017
Q4 		$465K Sell
95
-55
-37% -$14.9K 0.02% 749
2017
Q3 		$630K Sell
150
-126
-46% -$34.1K 0.03% 559
2017
Q2 		$1.21M Sell
276
-178
-39% -$45.2K 0.05% 304
2017
Q1 		$419K Buy
454
+430
+1,792% +$103K 0.02% 779
2016
Q4 		$37K Sell
24
-90
-79% -$23.6K ﹤0.01% 2454
2016
Q3 		$65K Buy
114
+48
+73% +$13.5K ﹤0.01% 1893
2016
Q2 		$67K Buy
66
+52
+371% +$12.7K ﹤0.01% 1791
2016
Q1 		$14K Buy
14
+5
+56% +$1.09K ﹤0.01% 3161
2015
Q4 		$1K Buy
+9
New +$2.03K ﹤0.01% 5005
2015
Q3 		– Sell
-15
Closed -$1K – 6174
2015
Q2 		$1K Buy
15
+14
+1,400% +$3.14K ﹤0.01% 4797
2015
Q1 		$2K Sell
1
-8
-89% -$1.69K ﹤0.01% 4196
2014
Q4 		$87K Buy
+9
New +$1.7K 0.01% 1009

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.