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AMRZ · 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.

AMRZGLW
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.
  • AMRZ
  • GLW
010203040202120222023202420252026
Holders and value by quarter
QuarterAMRZGLW
Q3 2020none listed holders, n.a.11 holders, $3.4bn
Q4 2020none listed holders, n.a.18 holders, $3.6bn
Q1 2021none listed holders, n.a.11 holders, $4.6bn
Q2 2021none listed holders, n.a.16 holders, $4.0bn
Q3 2021none listed holders, n.a.14 holders, $3.2bn
Q4 2021none listed holders, n.a.16 holders, $3.1bn
Q1 2022none listed holders, n.a.18 holders, $2.6bn
Q2 2022none listed holders, n.a.14 holders, $2.3bn
Q3 2022none listed holders, n.a.14 holders, $1.6bn
Q4 2022none listed holders, n.a.12 holders, $1.7bn
Q1 2023none listed holders, n.a.18 holders, $2.3bn
Q2 2023none listed holders, n.a.10 holders, $1.9bn
Q3 2023none listed holders, n.a.8 holders, $1.4bn
Q4 2023none listed holders, n.a.12 holders, $1.6bn
Q1 2024none listed holders, n.a.11 holders, $2.2bn
Q2 2024none listed holders, n.a.11 holders, $3.3bn
Q3 2024none listed holders, n.a.17 holders, $4.3bn
Q4 2024none listed holders, n.a.22 holders, $4.1bn
Q1 2025none listed holders, n.a.24 holders, $3.1bn
Q2 20257 holders, $1.2bn25 holders, $3.3bn
Q3 202512 holders, $1.8bn26 holders, $6.2bn
Q4 202514 holders, $2.1bn27 holders, $7.2bn
Q1 20269 holders, $1.4bn33 holders, $12.8bn
Q2 202610 holders, $1.6bn26 holders, $23.6bn
AMRZ

Amrize LTD

Holders
9
Reported value
$1.4bn
Buyers
13
Sellers
19

Breadth -6 among 91 comparable managers.

Materials
GLW

Corning Inc

Holders
33
Reported value
$12.8bn
Buyers
24
Sellers
20

Breadth +4 among 91 comparable managers.

Materials

Who holds both, Q1 2026

Among the 39 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only AMRZ (6)

Artisan Partners LP, Harris Associates LP, Quantbot Technologies LP, Renaissance Technologies LLC, Soros Fund Management LLC, Two Sigma Investments LP

Only GLW (30)

Acadian Asset Management LLC, AllianceBernstein LP, Appaloosa LP, AQR Capital Management LLC, Arrowstreet Capital LP, Balyasny Asset Management LLC, Brevan Howard Capital Management LP, Capital Research Global Investors, Capital World Investors, Dodge & Cox, ExodusPoint Capital Management LP, Fidelity (FMR LLC), Holocene Advisors LP, Invesco Ltd, Jane Street Group LLC, Lone Pine Capital LLC, Maverick Capital Ltd, MFS Investment Management, Millennium Management LLC, Neuberger Berman Group LLC, PDT Partners LLC, Point72 Asset Management LP, Rokos Capital Management LLP, Schonfeld Strategic Advisors LLC, Squarepoint Ops LLC, and 5 more

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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