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Summit Trail Advisors’s TransDigm Group TDG Stock Holding History

Summit Trail Advisors’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 		$2M Buy
1,725
+155
+10% +$203K 0.03% 525
2025
Q4 		$2.09M Sell
1,570
-159
-9% -$208K 0.04% 379
2025
Q3 		$2.28M Sell
1,729
-52
-3% -$74.3K 0.03% 383
2025
Q2 		$2.71M Buy
+1,781
New +$2.5M 0.05% 207
2024
Q4 		– Sell
-1,004
Closed -$1.43M – 721
2024
Q3 		$1.43M Sell
1,004
-10
-1% -$13K 0.04% 211
2024
Q2 		$1.3M Buy
1,014
+25
+3% +$32.1K 0.03% 197
2024
Q1 		$1.22M Buy
989
+158
+19% +$178K 0.03% 188
2023
Q4 		$841K Sell
831
-11
-1% -$10.1K 0.03% 202
2023
Q3 		$710K Buy
842
+80
+10% +$70.2K 0.03% 216
2023
Q2 		$681K Buy
762
+119
+19% +$94.1K 0.03% 214
2023
Q1 		$474K Buy
643
+43
+7% +$30.7K 0.02% 225
2022
Q4 		$378K Buy
600
+53
+10% +$31.2K 0.02% 234
2022
Q3 		$287K Sell
547
-6
-1% -$3.58K 0.02% 266
2022
Q2 		$297K Buy
553
+7
+1% +$4.13K 0.02% 273
2022
Q1 		$356K Sell
546
-25
-4% -$16.1K 0.03% 215
2021
Q4 		$363K Buy
571
+19
+3% +$11.9K 0.02% 201
2021
Q3 		$345K Buy
552
+40
+8% +$25K 0.03% 193
2021
Q2 		$331K Buy
512
+1
+0.2% +$627 0.03% 169
2021
Q1 		$300K Buy
511
+2
+0.4% +$1.18K 0.03% 156
2020
Q4 		$315K Buy
+509
New +$280K 0.04% 145
2020
Q3 		– Sell
-509
Closed -$225K – 236
2020
Q2 		$225K Buy
+509
New +$193K 0.04% 143
2019
Q4 		– Sell
-488
Closed -$254K – 107
2019
Q3 		$254K Sell
488
-23
-5% -$11.8K 0.09% 74
2019
Q2 		$247K Sell
511
-102
-17% -$47.7K 0.11% 63
2019
Q1 		$278K Buy
+613
New +$249K 0.12% 64
2018
Q2 		– Sell
-828
Closed -$265K – 663
2018
Q1 		$265K Buy
828
+24
+3% +$7.07K 0.05% 308
2017
Q4 		$243K Buy
+804
New +$218K 0.03% 367

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

Summit Trail Advisors's TDG Position: Q1 2026 in Review

Summit Trail Advisors increased its TransDigm Group (TDG) stake by 9.9% in Q1 2026, buying an estimated $203K and bringing the position to 1,725 shares worth $2M. The position accounts for 0.03% of the portfolio, ranked #525.

Summit Trail Advisors first reported a position in TDG in Q4 2017 and has held it in 26 quarters since. The position peaked at $2.71M in Q2 2025. 1,107 funds tracked by Wall St. Rank hold TDG as of Q1 2026.

  • Summit Trail Advisors held 1,725 shares of TransDigm Group worth $2M as of Q1 2026.
  • Summit Trail Advisors bought 155 TransDigm Group shares in Q1 2026, an estimated $203K.
  • TransDigm Group made up 0.03% of Summit Trail Advisors's portfolio in Q1 2026, its #525 holding.
  • Summit Trail Advisors first reported a position in TransDigm Group in Q4 2017 and has held it in 26 quarters since.
  • Summit Trail Advisors's TransDigm Group position peaked at $2.71M in Q2 2025.
  • 1,107 funds tracked by Wall St. Rank held TransDigm Group as of Q1 2026.

Based on Summit Trail Advisors's 13F filing for Q1 2026, filed 12 May 2026.