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ASML · MU 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.

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.
  • ASML
  • MU
0204060202120222023202420252026
Holders and value by quarter
QuarterASMLMU
Q3 202016 holders, $10.8bn34 holders, $8.6bn
Q4 202024 holders, $15.0bn43 holders, $13.3bn
Q1 202124 holders, $18.1bn38 holders, $13.5bn
Q2 202128 holders, $20.9bn38 holders, $11.4bn
Q3 202125 holders, $21.9bn28 holders, $8.6bn
Q4 202123 holders, $23.2bn34 holders, $12.8bn
Q1 202229 holders, $19.3bn32 holders, $10.8bn
Q2 202227 holders, $13.2bn31 holders, $7.8bn
Q3 202231 holders, $10.5bn36 holders, $7.1bn
Q4 202230 holders, $14.2bn26 holders, $8.0bn
Q1 202327 holders, $16.8bn28 holders, $10.0bn
Q2 202328 holders, $17.2bn34 holders, $10.8bn
Q3 202325 holders, $13.0bn33 holders, $11.6bn
Q4 202327 holders, $16.4bn35 holders, $14.4bn
Q1 202431 holders, $23.4bn45 holders, $19.9bn
Q2 202436 holders, $26.3bn43 holders, $20.8bn
Q3 202432 holders, $17.3bn39 holders, $12.9bn
Q4 202426 holders, $11.7bn28 holders, $12.2bn
Q1 202527 holders, $10.5bn28 holders, $13.8bn
Q2 202524 holders, $10.6bn32 holders, $22.0bn
Q3 202526 holders, $12.4bn36 holders, $29.9bn
Q4 202528 holders, $18.1bn41 holders, $54.0bn
Q1 202639 holders, $26.8bn45 holders, $56.5bn
Q2 202636 holders, $43.1bn50 holders, $164bn
ASML

Asml HLDG NV

Holders
36
Reported value
$43.1bn
Buyers
22
Sellers
27

Breadth -5 among 91 comparable managers.

MU

Micron Technology Inc

Holders
50
Reported value
$164bn
Buyers
19
Sellers
34

Breadth -15 among 91 comparable managers.

Who holds both, Q2 2026

Among the 57 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

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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