Rational Advisors
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Rational Advisors’s TransDigm Group TDG Stock Holding History

Rational 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
Q3 		$23.8K Sell
22
-768
-97% -$923K ﹤0.01% 169
2026
Q2 		$1.05M Buy
790
+773
+4,547% +$949K 0.1% 87
2026
Q1 		$19.7K Sell
17
-2,900
-99% -$3.8M ﹤0.01% 153
2025
Q4 		$3.88M Buy
2,917
+2,901
+18,131% +$3.8M 0.4% 51
2025
Q3 		$21.1K Sell
16
-2,820
-99% -$4.03M ﹤0.01% 162
2025
Q2 		$4.31M Buy
2,836
+2,136
+305% +$3M 0.43% 43
2025
Q1 		$968K Buy
+700
New +$933K 0.1% 83
2024
Q4 		– Sell
-1,700
Closed -$2.43M – 172
2024
Q3 		$2.43M Buy
1,700
+500
+42% +$650K 0.23% 57
2024
Q2 		$1.53M Hold
1,200
– – 0.15% 65
2024
Q1 		$1.48M Sell
1,200
-900
-43% -$1.01M 0.14% 69
2023
Q4 		$2.12M Buy
+2,100
New +$1.94M 0.22% 54
2020
Q4 		– Sell
-24
Closed -$11K – 555
2020
Q3 		$11K Buy
+24
New +$11.3K ﹤0.01% 279
2020
Q1 		– Sell
-2,350
Closed -$1.32M – 476
2019
Q4 		$1.32M Sell
2,350
-1,992
-46% -$1.09M 0.62% 49
2019
Q3 		$2.26M Sell
4,342
-742
-15% -$380K 0.88% 24
2019
Q2 		$2.46M Buy
5,084
+1,684
+50% +$788K 0.87% 21
2019
Q1 		$1.54M Buy
3,400
+2,289
+206% +$929K 0.42% 83
2018
Q4 		$378K Sell
1,111
-18,589
-94% -$6.38M 0.12% 134
2018
Q3 		$7.33M Buy
+19,700
New +$7.09M 1.75% 10

Other funds holding TDG

Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Temasek Holdings
Temasek Holdings Singapore $36.7B AUM 6.83% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Citigroup
Citigroup New York $308B AUM 40.94% 1-Year Est. Return
Mitsubishi UFJ Asset Management
Mitsubishi UFJ Asset Management Tokyo, Japan $194B AUM 32.2% 1-Year Est. Return
Veritas Asset Management
Veritas Asset Management London, United Kingdom $5.37B AUM 7.96% 1-Year Est. Return
Amundi
Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return

Rational Advisors's TDG Position: Q3 2026 in Review

Rational Advisors reduced its TransDigm Group (TDG) stake by 97% in Q3 2026, selling an estimated $923K and leaving 22 shares worth $23.8K. The position accounts for ﹤0.01% of the portfolio, ranked #169.

Rational Advisors first reported a position in TDG in Q3 2018 and has held it in 18 quarters since. The position peaked at $7.33M in Q3 2018. 553 funds tracked by Wall St. Rank hold TDG as of Q3 2026.

  • Rational Advisors held 22 shares of TransDigm Group worth $23.8K as of Q3 2026.
  • Rational Advisors sold 768 TransDigm Group shares in Q3 2026, an estimated $923K.
  • TransDigm Group made up ﹤0.01% of Rational Advisors's portfolio in Q3 2026, its #169 holding.
  • Rational Advisors first reported a position in TransDigm Group in Q3 2018 and has held it in 18 quarters since.
  • Rational Advisors's TransDigm Group position peaked at $7.33M in Q3 2018.
  • 553 funds tracked by Wall St. Rank held TransDigm Group as of Q3 2026.

Based on Rational Advisors's 13F filing for Q3 2026, filed 2 Nov 2026.