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MTZ · LRCX 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.
  • MTZ
  • LRCX
0204060202120222023202420252026
Holders and value by quarter
QuarterMTZLRCX
Q3 20207 holders, $49mnone listed holders, n.a.
Q4 20205 holders, $16mnone listed holders, n.a.
Q1 20215 holders, $47mnone listed holders, n.a.
Q2 202110 holders, $632mnone listed holders, n.a.
Q3 20216 holders, $49mnone listed holders, n.a.
Q4 20214 holders, $56mnone listed holders, n.a.
Q1 20223 holders, $75mnone listed holders, n.a.
Q2 20223 holders, $73mnone listed holders, n.a.
Q3 20224 holders, $105mnone listed holders, n.a.
Q4 20224 holders, $91mnone listed holders, n.a.
Q1 20235 holders, $123mnone listed holders, n.a.
Q2 20237 holders, $545mnone listed holders, n.a.
Q3 20236 holders, $315mnone listed holders, n.a.
Q4 20236 holders, $510mnone listed holders, n.a.
Q1 202410 holders, $637mnone listed holders, n.a.
Q2 20249 holders, $1.0bnnone listed holders, n.a.
Q3 202410 holders, $792m2 holders, $624m
Q4 202414 holders, $1.1bn41 holders, $9.6bn
Q1 202512 holders, $575m40 holders, $9.3bn
Q2 202515 holders, $1.2bn35 holders, $11.4bn
Q3 202514 holders, $1.3bn40 holders, $17.6bn
Q4 202513 holders, $1.4bn37 holders, $29.2bn
Q1 202622 holders, $2.1bn43 holders, $36.2bn
Q2 202617 holders, $2.0bn45 holders, $73.9bn
MTZ

Mastec Inc

Holders
12
Reported value
$575m
Buyers
6
Sellers
7

Breadth -1 among 95 comparable managers.

LRCX

Lam Research Corp

Holders
40
Reported value
$9.3bn
Buyers
22
Sellers
18

Breadth +4 among 95 comparable managers.

Who holds both, Q1 2025

Among the 42 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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