Primecap Management’s TransDigm Group TDG Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $546M | Hold |
410,217
| – | – | 0.32% | 64 |
|
|
2026
Q1 | $475M | Hold |
410,217
| – | – | 0.37% | 57 |
|
|
2025
Q4 | $546M | Sell |
410,217
-175,156
| -30% | -$230M | 0.41% | 55 |
|
|
2025
Q3 | $772M | Buy |
585,373
+27,450
| +5% | +$39.2M | 0.59% | 47 |
|
|
2025
Q2 | $848M | Buy |
557,923
+45,079
| +9% | +$63.3M | 0.67% | 45 |
|
|
2025
Q1 | $709M | Sell |
512,844
-350
| -0.1% | -$467K | 0.59% | 45 |
|
|
2024
Q4 | $650M | Hold |
513,194
| – | – | 0.5% | 50 |
|
|
2024
Q3 | $732M | Buy |
513,194
+900
| +0.2% | +$1.17M | 0.54% | 47 |
|
|
2024
Q2 | $655M | Hold |
512,294
| – | – | 0.47% | 50 |
|
|
2024
Q1 | $631M | Buy |
512,294
+1,300
| +0.3% | +$1.46M | 0.47% | 53 |
|
|
2023
Q4 | $517M | Sell |
510,994
-16,050
| -3% | -$14.8M | 0.41% | 58 |
|
|
2023
Q3 | $444M | Buy |
527,044
+1,000
| +0.2% | +$877K | 0.38% | 63 |
|
|
2023
Q2 | $470M | Sell |
526,044
-29,350
| -5% | -$23.2M | 0.39% | 61 |
|
|
2023
Q1 | $409M | Sell |
555,394
-37,300
| -6% | -$26.6M | 0.36% | 69 |
|
|
2022
Q4 | $373M | Sell |
592,694
-11,750
| -2% | -$6.92M | 0.34% | 67 |
|
|
2022
Q3 | $317M | Sell |
604,444
-4,150
| -0.7% | -$2.48M | 0.31% | 73 |
|
|
2022
Q2 | $327M | Hold |
608,594
| – | – | 0.29% | 74 |
|
|
2022
Q1 | $397M | Sell |
608,594
-2,450
| -0.4% | -$1.57M | 0.3% | 78 |
|
|
2021
Q4 | $389M | Sell |
611,044
-150
| -0% | -$93.9K | 0.27% | 83 |
|
|
2021
Q3 | $382M | Hold |
611,194
| – | – | 0.27% | 86 |
|
|
2021
Q2 | $396M | Sell |
611,194
-2,400
| -0.4% | -$1.51M | 0.27% | 86 |
|
|
2021
Q1 | $361M | Sell |
613,594
-300
| -0% | -$177K | 0.25% | 88 |
|
|
2020
Q4 | $380M | Sell |
613,894
-300
| -0% | -$165K | 0.28% | 82 |
|
|
2020
Q3 | $292M | Hold |
614,194
| – | – | 0.24% | 87 |
|
|
2020
Q2 | $272M | Sell |
614,194
-34,700
| -5% | -$13.1M | 0.23% | 90 |
|
|
2020
Q1 | $208M | Buy |
648,894
+268,100
| +70% | +$146M | 0.2% | 95 |
|
|
2019
Q4 | $213M | Buy |
380,794
+11,250
| +3% | +$6.16M | 0.15% | 110 |
|
|
2019
Q3 | $192M | Buy |
369,544
+24,300
| +7% | +$12.5M | 0.15% | 110 |
|
|
2019
Q2 | $167M | Buy |
345,244
+5,000
| +1% | +$2.34M | 0.12% | 127 |
|
|
2019
Q1 | $154M | Buy |
340,244
+106,794
| +46% | +$43.3M | 0.11% | 129 |
|
|
2018
Q4 | $79.4M | Buy |
233,450
+23,450
| +11% | +$8.05M | 0.06% | 149 |
|
|
2018
Q3 | $78.2M | Buy |
210,000
+9,700
| +5% | +$3.49M | 0.05% | 157 |
|
|
2018
Q2 | $69.1M | Hold |
200,300
| – | – | 0.05% | 153 |
|
|
2018
Q1 | $61.5M | Hold |
200,300
| – | – | 0.05% | 166 |
|
|
2017
Q4 | $55M | Buy |
200,300
+30,000
| +18% | +$8.15M | 0.04% | 170 |
|
|
2017
Q3 | $43.5M | Buy |
170,300
+35,500
| +26% | +$9.61M | 0.04% | 181 |
|
|
2017
Q2 | $36.2M | Buy |
134,800
+2,300
| +2% | +$584K | 0.03% | 190 |
|
|
2017
Q1 | $29.2M | Buy |
132,500
+22,300
| +20% | +$5.32M | 0.03% | 194 |
|
|
2016
Q4 | $27.4M | Buy |
110,200
+94,500
| +602% | +$24.8M | 0.03% | 188 |
|
|
2016
Q3 | $4.54M | Hold |
15,700
| – | – | ﹤0.01% | 247 |
|
|
2016
Q2 | $4.14M | Sell |
15,700
-60,000
| -79% | -$14.7M | ﹤0.01% | 245 |
|
|
2016
Q1 | $16.7M | Buy |
75,700
+18,000
| +31% | +$3.93M | 0.02% | 206 |
|
|
2015
Q4 | $13.2M | Hold |
57,700
| – | – | 0.01% | 210 |
|
|
2015
Q3 | $12.3M | Hold |
57,700
| – | – | 0.01% | 213 |
|
|
2015
Q2 | $13M | Hold |
57,700
| – | – | 0.01% | 213 |
|
|
2015
Q1 | $12.6M | Buy |
57,700
+12,500
| +28% | +$2.63M | 0.01% | 213 |
|
|
2014
Q4 | $8.88M | Buy |
45,200
+7,000
| +18% | +$1.32M | 0.01% | 221 |
|
|
2014
Q3 | $7.04M | Hold |
38,200
| – | – | 0.01% | 224 |
|
|
2014
Q2 | $6.39M | Hold |
38,200
| – | – | 0.01% | 224 |
|
|
2014
Q1 | $7.08M | Buy |
38,200
+3,000
| +9% | +$525K | 0.01% | 217 |
|
|
2013
Q4 | $5.67M | Buy |
+35,200
| New | +$5.25M | 0.01% | 227 |
|
Other funds holding TDG
Primecap Management's TDG Position: Q2 2026 in Review
Primecap Management held its TransDigm Group (TDG) position steady in Q2 2026 at 410,217 shares worth $546M. The position accounts for 0.32% of the portfolio, ranked #64.
Primecap Management first reported a position in TDG in Q4 2013 and has held it in 51 quarters since. The position peaked at $848M in Q2 2025. 1,138 funds tracked by Wall St. Rank hold TDG as of Q2 2026.
- Primecap Management held 410,217 shares of TransDigm Group worth $546M as of Q2 2026.
- Primecap Management left its TransDigm Group share count unchanged in Q2 2026.
- TransDigm Group made up 0.32% of Primecap Management's portfolio in Q2 2026, its #64 holding.
- Primecap Management first reported a position in TransDigm Group in Q4 2013 and has held it in 51 quarters since.
- Primecap Management's TransDigm Group position peaked at $848M in Q2 2025.
- 1,138 funds tracked by Wall St. Rank held TransDigm Group as of Q2 2026.
Based on Primecap Management's 13F filing for Q2 2026, filed 14 Aug 2026.