TDG
TransDigm Group Incorporated
NYSE · USIndustrialsAerospace & Defense
$1214.49+0.01%
Price as of Jul 20, 2026
TDG ownership
TransDigm Group Incorporated ownership & insider activity
Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
109
Net (3m)
-$38.2M
Insider trades by month Buys Sells
Feb
Mar
Apr
May
Jun
Jul
Context3-month price -4.7%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 138 | $1223.51 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 116 | $1202.44 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 70 | $1231.09 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 80 | $1198.80 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 90 | $1211.50 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 239 | $1216.22 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 140 | $1220.50 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 160 | $1201.32 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 156 | $1200.14 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 211 | $1215.13 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 74 | $1203.80 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 110 | $1212.59 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 144 | $1232.34 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 170 | $1213.73 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 210 | $1221.53 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 30 | $1206.69 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 10 | $1233.38 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 153 | $1225.62 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 40 | $1226.98 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 509 | $1224.62 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 190 | $1230.06 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Option | 3,900 | $284.97 |
| Jul 17, 2026 | Reiss Joelofficer: Co-Chief Operating Officer | Sell | 60 | $1208.51 |
| Jun 22, 2026 | Howley W Nicholasdirector | Sell | 97 | $1308.05 |
| Jun 22, 2026 | Howley W Nicholasdirector | Sell | 745 | $1315.71 |
| Jun 22, 2026 | Howley W Nicholasdirector | Option | 10,132 | $66.47 |
| Jun 22, 2026 | Howley W Nicholasdirector | Sell | 305 | $1321.91 |
| Jun 22, 2026 | Howley W Nicholasdirector | Sell | 112 | $1305.19 |
| Jun 22, 2026 | Howley W Nicholasdirector | Sell | 160 | $1310.45 |
| Jun 22, 2026 | Howley W Nicholasdirector | Sell | 275 | $1333.62 |
Source: TDG SEC Form 4 filings, latest Jul 17, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their TDG positions over the last 6 months (SEC Form 13F).
Increased
805
New positions
293
Reduced
795
Sold out
229
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Reduced | 6.8M | Jan 29, 2026 |
| CAPITAL INTERNATIONAL INVESTORS | Increased | 6.5M | Feb 11, 2026 |
| CAPITAL INTERNATIONAL INVESTORS | Reduced | 5.5M | May 13, 2026 |
| CAPITAL WORLD INVESTORS | Increased | 4.7M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 4.6M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 4.3M | Feb 12, 2026 |
| CAPITAL WORLD INVESTORS | Increased | 4.0M | Feb 11, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 3.7M | May 15, 2026 |
| CAPITAL RESEARCH GLOBAL INVESTORS | Increased | 3.1M | May 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2.6M | May 8, 2026 |
| STATE STREET CORP | Increased | 2.5M | May 15, 2026 |
| CAPITAL RESEARCH GLOBAL INVESTORS | Increased | 2.5M | Feb 11, 2026 |
| STATE STREET CORP | Increased | 2.5M | Feb 13, 2026 |
| PRINCIPAL FINANCIAL GROUP INC | Reduced | 2.2M | Feb 2, 2026 |
| PRINCIPAL FINANCIAL GROUP INC | Reduced | 2.0M | May 4, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.