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NOC · TDG in the 13F filings

Two to four stocks side by side among the 95 tracked managers: who lists them, how that has moved, who bought and sold in a quarter, and which managers hold more than one.

NOCTDG
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023

Holders over time

Tracked managers listing each stock every quarter, at least, or their combined reported value. A gap is a quarter in which no tracked manager listed it. Click a quarter to compare there.
  • NOC
  • TDG
0102030202120222023202420252026
Holders and value by quarter
QuarterNOCTDG
Q3 202021 holders, $9.8bn20 holders, $3.5bn
Q4 202026 holders, $9.3bn22 holders, $4.0bn
Q1 202125 holders, $9.2bn15 holders, $3.5bn
Q2 202119 holders, $9.8bn12 holders, $4.2bn
Q3 202116 holders, $9.1bn14 holders, $3.7bn
Q4 202114 holders, $9.3bn17 holders, $1.7bn
Q1 202218 holders, $11.2bn14 holders, $1.7bn
Q2 202214 holders, $12.7bn16 holders, $1.8bn
Q3 202215 holders, $12.4bn15 holders, $2.3bn
Q4 202219 holders, $13.3bn22 holders, $3.5bn
Q1 202325 holders, $10.8bn22 holders, $6.2bn
Q2 202322 holders, $10.5bn17 holders, $7.5bn
Q3 202321 holders, $10.1bn19 holders, $7.6bn
Q4 202320 holders, $10.2bn19 holders, $8.9bn
Q1 202421 holders, $9.8bn22 holders, $11.7bn
Q2 202427 holders, $8.3bn26 holders, $12.3bn
Q3 202428 holders, $10.3bn21 holders, $13.0bn
Q4 202428 holders, $9.2bn17 holders, $11.8bn
Q1 202528 holders, $10.3bn21 holders, $13.0bn
Q2 202518 holders, $9.5bn20 holders, $15.0bn
Q3 202522 holders, $10.4bn12 holders, $13.8bn
Q4 202526 holders, $9.0bn18 holders, $14.1bn
Q1 202622 holders, $15.1bn19 holders, $13.4bn
Q2 202626 holders, $10.3bn15 holders, $14.3bn
NOC

Northrop Grumman Corp

Holders
22
Reported value
$10.4bn
Buyers
11
Sellers
12

Breadth -1 among 95 comparable managers.

IndustrialsAerospace and defence
TDG

Transdigm Group Inc

Holders
12
Reported value
$13.8bn
Buyers
6
Sellers
9

Breadth -3 among 95 comparable managers.

IndustrialsAerospace and defence

Who holds both, Q3 2025

Among the 26 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only NOC (14)

Acadian Asset Management LLC, AllianceBernstein LP, AQR Capital Management LLC, Arrowstreet Capital LP, Balyasny Asset Management LLC, Brevan Howard Capital Management LP, Citadel Advisors LLC, Freestone Grove Partners LP, MFS Investment Management, Rokos Capital Management LLP, Tudor Investment Corp, Two Sigma Advisers LP, Wellington Management Group LLP, Woodline Partners LP

Only TDG (4)

D1 Capital Partners LP, Eisler Capital Management Ltd, Soroban Capital Partners LP, Squarepoint Ops LLC

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. Buyers and sellers count comparable managers (those that filed both quarters) by shares, so a rise in value with no rise in shares is the price. Large books are listed to their largest positions. These are 95 tracked managers, not the institutional market.

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