TRCT
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Tower Research Capital (TRC)’s TransDigm Group TDG Stock Holding History

Tower Research Capital (TRC)’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 		$3.66M Buy
3,159
+1,816
+135% +$2.38M 0.1% 212
2025
Q4 		$1.79M Buy
1,343
+571
+74% +$748K 0.04% 363
2025
Q3 		$1.02M Buy
772
+75
+11% +$107K 0.03% 507
2025
Q2 		$1.06M Sell
697
-443
-39% -$622K 0.03% 521
2025
Q1 		$1.58M Sell
1,140
-1,208
-51% -$1.61M 0.05% 355
2024
Q4 		$2.98M Buy
2,348
+1,204
+105% +$1.59M 0.06% 260
2024
Q3 		$1.63M Sell
1,144
-5,098
-82% -$6.63M 0.04% 343
2024
Q2 		$7.97M Buy
6,242
+4,025
+182% +$5.16M 0.13% 118
2024
Q1 		$2.73M Sell
2,217
-4,175
-65% -$4.7M 0.07% 213
2023
Q4 		$6.47M Buy
6,392
+2,544
+66% +$2.35M 0.08% 203
2023
Q3 		$3.24M Buy
3,848
+3,127
+434% +$2.74M 0.1% 180
2023
Q2 		$645K Sell
721
-1,311
-65% -$1.04M 0.02% 809
2023
Q1 		$1.5M Buy
2,032
+19
+0.9% +$13.6K 0.05% 276
2022
Q4 		$1.27M Sell
2,013
-3,512
-64% -$2.07M 0.05% 297
2022
Q3 		$2.9M Buy
5,525
+960
+21% +$573K 0.05% 307
2022
Q2 		$2.45M Sell
4,565
-4,393
-49% -$2.59M 0.05% 302
2022
Q1 		$5.84M Buy
8,958
+5,346
+148% +$3.43M 0.06% 277
2021
Q4 		$2.3M Buy
3,612
+1,995
+123% +$1.25M 0.04% 370
2021
Q3 		$1.01M Buy
1,617
+833
+106% +$520K 0.03% 526
2021
Q2 		$507K Sell
784
-1,922
-71% -$1.21M 0.01% 1171
2021
Q1 		$1.59M Buy
2,706
+1,119
+71% +$659K 0.03% 564
2020
Q4 		$982K Sell
1,587
-7,864
-83% -$4.32M 0.03% 532
2020
Q3 		$4.49M Buy
9,451
+8,615
+1,031% +$4.05M 0.05% 96
2020
Q2 		$370K Sell
836
-795
-49% -$301K 0.02% 1269
2020
Q1 		$522K Buy
+1,631
New +$888K 0.03% 420
2019
Q4 		– Sell
-780
Closed -$406K – 4333
2019
Q3 		$406K Buy
780
+773
+11,043% +$396K 0.03% 661
2019
Q2 		$3K Sell
7
-983
-99% -$460K ﹤0.01% 3164
2019
Q1 		$449K Buy
990
+603
+156% +$245K 0.03% 665
2018
Q4 		$132K Buy
387
+184
+91% +$63.1K 0.01% 846
2018
Q3 		$76K Sell
203
-528
-72% -$190K 0.01% 1507
2018
Q2 		$253K Buy
+731
New +$240K 0.01% 972
2018
Q1 		– Sell
-1,166
Closed -$320K – 3807
2017
Q4 		$320K Buy
+1,166
New +$317K 0.04% 415
2017
Q2 		– Sell
-1,064
Closed -$235K – 3426
2017
Q1 		$235K Buy
1,064
+539
+103% +$129K 0.02% 261
2016
Q4 		$131K Buy
+525
New +$138K 0.01% 841
2016
Q3 		– Sell
-744
Closed -$196K – 4425
2016
Q2 		$196K Buy
+744
New +$182K 0.02% 674
2015
Q2 		– Sell
-182
Closed -$40K – 5002
2015
Q1 		$40K Buy
+182
New +$38.3K ﹤0.01% 1656
2014
Q4 		– Sell
-500
Closed -$92K – 4669
2014
Q3 		$92K Buy
+500
New +$89.3K 0.01% 1044
2014
Q2 		– Sell
-100
Closed -$19K – 4627
2014
Q1 		$19K Buy
100
+5
+5% +$874 ﹤0.01% 1946
2013
Q4 		$15K Sell
95
-1,127
-92% -$168K ﹤0.01% 2621
2013
Q3 		$170K Sell
1,222
-1,528
-56% -$218K 0.02% 864
2013
Q2 		$431K Buy
+2,750
New +$413K 0.04% 132

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

Tower Research Capital (TRC)'s TDG Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its TransDigm Group (TDG) stake by 135% in Q1 2026, buying an estimated $2.38M and bringing the position to 3,159 shares worth $3.66M. The position accounts for 0.1% of the portfolio, ranked #212.

Tower Research Capital (TRC) first reported a position in TDG in Q2 2013 and has held it in 41 quarters since. The position peaked at $7.97M in Q2 2024. 1,107 funds tracked by Wall St. Rank hold TDG as of Q1 2026.

  • Tower Research Capital (TRC) held 3,159 shares of TransDigm Group worth $3.66M as of Q1 2026.
  • Tower Research Capital (TRC) bought 1,816 TransDigm Group shares in Q1 2026, an estimated $2.38M.
  • TransDigm Group made up 0.1% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #212 holding.
  • Tower Research Capital (TRC) first reported a position in TransDigm Group in Q2 2013 and has held it in 41 quarters since.
  • Tower Research Capital (TRC)'s TransDigm Group position peaked at $7.97M in Q2 2024.
  • 1,107 funds tracked by Wall St. Rank held TransDigm Group as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.