Parallax Volatility Advisers
TDG icon

Parallax Volatility Advisers’s TransDigm Group TDG Stock Holding History

Parallax Volatility Advisers’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
2021
Q2 		– Sell
-54,000
Closed -$31.7M – 1707
2021
Q1 		$31.7M Buy
54,000
+41,300
+325% +$24.3M 0.07% 206
2020
Q4 		$7.86M Sell
12,700
-63,700
-83% -$35M 0.01% 801
2020
Q3 		$36.3M Buy
76,400
+75,900
+15,180% +$35.7M 0.03% 500
2020
Q2 		$220K Sell
500
-6,900
-93% -$2.61M ﹤0.01% 2206
2020
Q1 		$2.37M Buy
+7,400
New +$4.03M ﹤0.01% 1162
2019
Q2 		– Sell
-2,100
Closed -$953K – 3696
2019
Q1 		$953K Buy
+2,100
New +$852K ﹤0.01% 1293
2018
Q1 		– Sell
-1,000
Closed -$275K – 4121
2017
Q4 		$275K Sell
1,000
-79,700
-99% -$21.7M ﹤0.01% 2006
2017
Q3 		$20.6M Buy
80,700
+79,900
+9,988% +$21.6M 0.03% 259
2017
Q2 		$215K Sell
800
-15,300
-95% -$3.88M ﹤0.01% 1448
2017
Q1 		$3.54M Buy
+16,100
New +$3.84M 0.01% 670
2016
Q2 		– Sell
-1,000
Closed -$220K – 3513
2016
Q1 		$220K Buy
1,000
+800
+400% +$175K ﹤0.01% 1727
2015
Q4 		$46K Buy
+200
New +$45K ﹤0.01% 2365
2015
Q3 		– Sell
-300
Closed -$67K – 4102
2015
Q2 		$67K Buy
+300
New +$67.3K ﹤0.01% 2423
2015
Q1 		– Sell
-300
Closed -$59K – 5489
2014
Q4 		$59K Sell
300
-3,600
-92% -$679K ﹤0.01% 3852
2014
Q3 		$719K Buy
+3,900
New +$696K ﹤0.01% 1639
2014
Q2 		– Sell
-200
Closed -$37K – 4300
2014
Q1 		$37K Buy
+200
New +$35K ﹤0.01% 2474
2013
Q3 		– Sell
-500
Closed -$78K – 3222
2013
Q2 		$78K Buy
+500
New +$75K ﹤0.01% 1401

Other funds holding TDG

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
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
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Parallax Volatility Advisers's TDG Position: Q4 2025 in Review

Parallax Volatility Advisers sold out of TransDigm Group (TDG) in Q4 2025, closing a stake of 193 shares — an estimated $254K sold.

Parallax Volatility Advisers first reported a position in TDG in Q3 2013 and held it in 25 quarters. The position peaked at $13.4M in Q3 2017. 1,130 funds tracked by Wall St. Rank hold TDG as of Q4 2025.

  • Parallax Volatility Advisers reported no remaining TransDigm Group position as of Q4 2025 after selling out during the quarter.
  • Parallax Volatility Advisers sold 193 TransDigm Group shares in Q4 2025, an estimated $254K.
  • Parallax Volatility Advisers first reported a position in TransDigm Group in Q3 2013 and held it in 25 quarters.
  • Parallax Volatility Advisers's TransDigm Group position peaked at $13.4M in Q3 2017.
  • 1,130 funds tracked by Wall St. Rank held TransDigm Group as of Q4 2025.

Based on Parallax Volatility Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.