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TDG · BA 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.

TDGBA
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.
  • TDG
  • BA
010203040202120222023202420252026
Holders and value by quarter
QuarterTDGBA
Q3 202020 holders, $3.5bn20 holders, $5.1bn
Q4 202022 holders, $4.0bn26 holders, $5.8bn
Q1 202115 holders, $3.5bn26 holders, $7.7bn
Q2 202112 holders, $4.2bn25 holders, $7.7bn
Q3 202114 holders, $3.7bn22 holders, $6.5bn
Q4 202117 holders, $1.7bn19 holders, $5.7bn
Q1 202214 holders, $1.7bn23 holders, $6.2bn
Q2 202216 holders, $1.8bn22 holders, $6.1bn
Q3 202215 holders, $2.3bn17 holders, $5.5bn
Q4 202222 holders, $3.5bn24 holders, $10.9bn
Q1 202322 holders, $6.2bn29 holders, $14.1bn
Q2 202317 holders, $7.5bn31 holders, $14.6bn
Q3 202319 holders, $7.6bn32 holders, $13.5bn
Q4 202319 holders, $8.9bn31 holders, $21.1bn
Q1 202422 holders, $11.7bn21 holders, $14.9bn
Q2 202426 holders, $12.3bn20 holders, $16.7bn
Q3 202421 holders, $13.0bn20 holders, $13.9bn
Q4 202417 holders, $11.8bn31 holders, $28.0bn
Q1 202521 holders, $13.0bn30 holders, $26.5bn
Q2 202520 holders, $15.0bn32 holders, $32.3bn
Q3 202512 holders, $13.8bn33 holders, $30.6bn
Q4 202518 holders, $14.1bn34 holders, $29.2bn
Q1 202619 holders, $13.4bn31 holders, $26.7bn
Q2 202615 holders, $14.3bn25 holders, $31.0bn
TDG

Transdigm Group Inc

Holders
22
Reported value
$11.7bn
Buyers
15
Sellers
6

Breadth +9 among 93 comparable managers.

IndustrialsAerospace and defence
BA

Boeing Co

Holders
21
Reported value
$14.9bn
Buyers
11
Sellers
14

Breadth -3 among 93 comparable managers.

IndustrialsAerospace and defence

Who holds both, Q1 2024

Among the 34 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only TDG (13)

Artisan Partners LP, Balyasny Asset Management LLC, Caxton Associates LLP, Element Capital Management LLC, Maverick Capital Ltd, Millennium Management LLC, Moore Capital Management LP, Renaissance Technologies LLC, Schonfeld Strategic Advisors LLC, Tudor Investment Corp, Verition Fund Management LLC, Voloridge Investment Management LLC, Woodline Partners LP

Only BA (12)

Appaloosa LP, Citadel Advisors LLC, Davidson Kempner Capital Management LP, Discovery Capital Management LLC, Eisler Capital Management Ltd, GAMCO Investors Inc, Hudson Bay Capital Management LP, Jane Street Group LLC, Marshall Wace LLP, Point72 Asset Management LP, Squarepoint Ops LLC, Wellington Management Group LLP

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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