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TDY · 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.

TDYBA
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.
  • TDY
  • BA
010203040202120222023202420252026
Holders and value by quarter
QuarterTDYBA
Q3 202012 holders, $2.4bn20 holders, $5.1bn
Q4 20209 holders, $3.1bn26 holders, $5.8bn
Q1 202110 holders, $4.1bn26 holders, $7.7bn
Q2 202117 holders, $4.3bn25 holders, $7.7bn
Q3 202116 holders, $4.5bn22 holders, $6.5bn
Q4 202121 holders, $4.7bn19 holders, $5.7bn
Q1 202216 holders, $5.6bn23 holders, $6.2bn
Q2 202218 holders, $4.7bn22 holders, $6.1bn
Q3 202217 holders, $3.4bn17 holders, $5.5bn
Q4 202215 holders, $4.0bn24 holders, $10.9bn
Q1 202310 holders, $4.4bn29 holders, $14.1bn
Q2 202319 holders, $4.1bn31 holders, $14.6bn
Q3 202313 holders, $3.5bn32 holders, $13.5bn
Q4 202312 holders, $3.6bn31 holders, $21.1bn
Q1 202413 holders, $3.2bn21 holders, $14.9bn
Q2 202411 holders, $2.7bn20 holders, $16.7bn
Q3 202414 holders, $3.4bn20 holders, $13.9bn
Q4 202414 holders, $3.6bn31 holders, $28.0bn
Q1 202513 holders, $3.6bn30 holders, $26.5bn
Q2 202517 holders, $4.1bn32 holders, $32.3bn
Q3 202513 holders, $4.7bn33 holders, $30.6bn
Q4 202518 holders, $4.1bn34 holders, $29.2bn
Q1 202610 holders, $4.8bn31 holders, $26.7bn
Q2 202611 holders, $5.2bn25 holders, $31.0bn
TDY

Teledyne Technologies Inc

Holders
13
Reported value
$3.6bn
Buyers
4
Sellers
9

Breadth -5 among 95 comparable managers.

IndustrialsAerospace and defence
BA

Boeing Co

Holders
30
Reported value
$26.5bn
Buyers
18
Sellers
14

Breadth +4 among 95 comparable managers.

IndustrialsAerospace and defence

Who holds both, Q1 2025

Among the 35 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only TDY (5)

ARK Investment Management LLC, Brevan Howard Capital Management LP, Janus Henderson Group Ltd, Soros Fund Management LLC, Voloridge Investment Management LLC

Only BA (22)

AllianceBernstein LP, Capital Research Global Investors, Capital World Investors, Caxton Associates LLP, Discovery Capital Management LLC, Eisler Capital Management Ltd, ExodusPoint Capital Management LP, Fidelity (FMR LLC), GAMCO Investors Inc, Holocene Advisors LP, Hudson Bay Capital Management LP, Jane Street Group LLC, Marshall Wace LLP, MFS Investment Management, Millennium Management LLC, Moore Capital Management LP, Susquehanna International Group LLP, Viking Global Investors LP, Walleye Capital LLC, Wellington Management Group LLP, Winton Group Ltd, Woodline Partners LP

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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