Ken Griffin’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
Q1
$105M Sell
90,274
-78,744
-47% -$103M 0.02% 776
2025
Q4
$225M Buy
169,018
+154,078
+1,031% +$202M 0.03% 438
2025
Q3
$19.7M Buy
14,940
+2,177
+17% +$3.11M ﹤0.01% 2364
2025
Q2
$19.4M Buy
+12,763
New +$17.9M ﹤0.01% 2174
2025
Q1
Sell
-61,506
Closed -$82M 15544
2024
Q4
$77.9M Buy
61,506
+24,513
+66% +$32.3M 0.01% 900
2024
Q3
$52.8M Buy
36,993
+2,593
+8% +$3.37M 0.01% 1166
2024
Q2
$43.9M Buy
34,400
+30,851
+869% +$39.6M 0.01% 1254
2024
Q1
$4.37M Sell
3,549
-29,282
-89% -$33M ﹤0.01% 4148
2023
Q4
$33.2M Buy
32,831
+32,113
+4,473% +$29.6M 0.01% 1521
2023
Q3
$605K Sell
718
-6,135
-90% -$5.38M ﹤0.01% 7643
2023
Q2
$6.13M Sell
6,853
-196,737
-97% -$156M ﹤0.01% 3331
2023
Q1
$150M Sell
203,590
-198,770
-49% -$142M 0.03% 429
2022
Q4
$253M Buy
402,360
+250,423
+165% +$148M 0.06% 256
2022
Q3
$79.7M Buy
151,937
+85,274
+128% +$50.9M 0.02% 735
2022
Q2
$35.8M Sell
66,663
-48,356
-42% -$28.5M 0.01% 1303
2022
Q1
$74.9M Sell
115,019
-93,051
-45% -$59.8M 0.02% 819
2021
Q4
$132M Buy
208,070
+124,191
+148% +$77.8M 0.03% 516
2021
Q3
$52.4M Buy
83,879
+66,783
+391% +$41.7M 0.01% 1092
2021
Q2
$11.1M Sell
17,096
-28,551
-63% -$17.9M ﹤0.01% 2931
2021
Q1
$26.8M Sell
45,647
-161,766
-78% -$95.3M 0.01% 1624
2020
Q4
$128M Sell
207,413
-12,294
-6% -$6.76M 0.03% 428
2020
Q3
$104M Buy
219,707
+35,620
+19% +$16.7M 0.03% 444
2020
Q2
$81.4M Buy
184,087
+83,807
+84% +$31.7M 0.03% 507
2020
Q1
$32.1M Buy
100,280
+96,480
+2,539% +$52.6M 0.01% 879
2019
Q4
$2.13M Sell
3,800
-22,376
-85% -$12.2M ﹤0.01% 4319
2019
Q3
$13.6M Buy
+26,176
New +$13.4M 0.01% 1874
2019
Q2
Sell
-1,957
Closed -$916K 9838
2019
Q1
$888K Sell
1,957
-7,147
-79% -$2.9M ﹤0.01% 5798
2018
Q4
$3.1M Sell
9,104
-16,767
-65% -$5.75M ﹤0.01% 3471
2018
Q3
$9.63M Buy
25,871
+23,137
+846% +$8.33M ﹤0.01% 2138
2018
Q2
$944K Sell
2,734
-14,330
-84% -$4.71M ﹤0.01% 5322
2018
Q1
$5.24M Buy
17,064
+6,484
+61% +$1.91M ﹤0.01% 2407
2017
Q4
$2.9M Sell
10,580
-199
-2% -$54.1K ﹤0.01% 3132
2017
Q3
$2.76M Buy
+10,779
New +$2.92M ﹤0.01% 3024
2017
Q2
Sell
-10,377
Closed -$2.63M 8052
2017
Q1
$2.29M Sell
10,377
-11,948
-54% -$2.85M ﹤0.01% 2925
2016
Q4
$5.56M Sell
22,325
-208,249
-90% -$54.7M 0.01% 1893
2016
Q3
$66.7M Buy
230,574
+38,162
+20% +$10.7M 0.07% 276
2016
Q2
$50.7M Buy
+192,412
New +$47M 0.06% 332
2016
Q1
Sell
-73,903
Closed -$16.1M 7924
2015
Q4
$16.9M Buy
73,903
+11,192
+18% +$2.52M 0.02% 936
2015
Q3
$13.3M Buy
62,711
+55,330
+750% +$12.7M 0.01% 1157
2015
Q2
$1.66M Sell
7,381
-10,271
-58% -$2.3M ﹤0.01% 3284
2015
Q1
$3.86M Buy
17,652
+10,168
+136% +$2.14M ﹤0.01% 2307
2014
Q4
$1.47M Buy
7,484
+2,885
+63% +$544K ﹤0.01% 3283
2014
Q3
$848K Buy
4,599
+3,116
+210% +$556K ﹤0.01% 3914
2014
Q2
$248K Sell
1,483
-17,364
-92% -$3.13M ﹤0.01% 5310
2014
Q1
$3.49M Buy
18,847
+924
+5% +$162K ﹤0.01% 2083
2013
Q4
$2.89M Sell
17,923
-5,394
-23% -$804K ﹤0.01% 2183
2013
Q3
$3.23M Sell
23,317
-17,331
-43% -$2.47M ﹤0.01% 1969
2013
Q2
$6.37M Buy
+40,648
New +$6.1M 0.01% 1356

Other funds holding TDG

Ken Griffin's TDG Position: Q1 2026 in Review

Ken Griffin reduced its TransDigm Group (TDG) stake by 47% in Q1 2026, selling an estimated $103M and leaving 90,274 shares worth $105M. The position accounts for 0.02% of the portfolio, ranked #776.

Ken Griffin first reported a position in TDG in Q2 2013 and has held it in 48 quarters since. The position peaked at $253M in Q4 2022. 1,111 funds tracked by Wall St. Rank hold TDG as of Q1 2026.

  • Ken Griffin held 90,274 shares of TransDigm Group worth $105M as of Q1 2026.
  • Ken Griffin sold 78,744 TransDigm Group shares in Q1 2026, an estimated $103M.
  • TransDigm Group made up 0.02% of Ken Griffin's portfolio in Q1 2026, its #776 holding.
  • Ken Griffin first reported a position in TransDigm Group in Q2 2013 and has held it in 48 quarters since.
  • Ken Griffin's TransDigm Group position peaked at $253M in Q4 2022.
  • 1,111 funds tracked by Wall St. Rank held TransDigm Group as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.