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AGI · GLW 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.
  • AGI
  • GLW
010203040202120222023202420252026
Holders and value by quarter
QuarterAGIGLW
Q3 20207 holders, $270m11 holders, $3.4bn
Q4 20206 holders, $244m18 holders, $3.6bn
Q1 20214 holders, $172m11 holders, $4.6bn
Q2 20214 holders, $142m16 holders, $4.0bn
Q3 20214 holders, $136m14 holders, $3.2bn
Q4 20214 holders, $159m16 holders, $3.1bn
Q1 20227 holders, $215m18 holders, $2.6bn
Q2 20226 holders, $228m14 holders, $2.3bn
Q3 20225 holders, $162m14 holders, $1.6bn
Q4 20226 holders, $235m12 holders, $1.7bn
Q1 20239 holders, $328m18 holders, $2.3bn
Q2 20238 holders, $324m10 holders, $1.9bn
Q3 20236 holders, $259m8 holders, $1.4bn
Q4 20237 holders, $290m12 holders, $1.6bn
Q1 20247 holders, $320m11 holders, $2.2bn
Q2 20247 holders, $410m11 holders, $3.3bn
Q3 20248 holders, $642m17 holders, $4.3bn
Q4 20249 holders, $647m22 holders, $4.1bn
Q1 202512 holders, $1.0bn24 holders, $3.1bn
Q2 202510 holders, $686m25 holders, $3.3bn
Q3 20257 holders, $758m26 holders, $6.2bn
Q4 202511 holders, $1.5bn27 holders, $7.2bn
Q1 20268 holders, $1.5bn33 holders, $12.8bn
Q2 20269 holders, $649m26 holders, $23.6bn
AGI

Alamos Gold Inc

Holders
7
Reported value
$758m
Buyers
3
Sellers
6

Breadth -3 among 95 comparable managers.

GLW

Corning Inc

Holders
26
Reported value
$6.2bn
Buyers
15
Sellers
11

Breadth +4 among 95 comparable managers.

Who holds both, Q3 2025

Among the 31 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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