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CENX · HWM 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.

CENXHWM
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.
  • CENX
  • HWM
010203040202120222023202420252026
Holders and value by quarter
QuarterCENXHWM
Q3 2020none listed holders, n.a.12 holders, $1.6bn
Q4 20201 holders, $1.2m21 holders, $3.0bn
Q1 20212 holders, $3.1m18 holders, $3.2bn
Q2 20212 holders, $7.2m19 holders, $3.8bn
Q3 20212 holders, $3.5m18 holders, $3.4bn
Q4 20212 holders, $3.5m15 holders, $3.7bn
Q1 20224 holders, $56m12 holders, $3.6bn
Q2 20221 holders, $1.1m15 holders, $3.2bn
Q3 20222 holders, $2.4m20 holders, $3.1bn
Q4 20222 holders, $4.8m19 holders, $4.4bn
Q1 20232 holders, $5.1m23 holders, $4.7bn
Q2 20232 holders, $4.6m25 holders, $5.2bn
Q3 20233 holders, $6.7m26 holders, $4.3bn
Q4 20233 holders, $25m22 holders, $5.0bn
Q1 20245 holders, $33m22 holders, $6.1bn
Q2 20243 holders, $30m23 holders, $7.1bn
Q3 20245 holders, $32m25 holders, $8.7bn
Q4 20246 holders, $44m21 holders, $9.0bn
Q1 20256 holders, $32m23 holders, $10.0bn
Q2 20253 holders, $31m22 holders, $13.2bn
Q3 20254 holders, $37m23 holders, $13.4bn
Q4 20257 holders, $75m26 holders, $13.6bn
Q1 20268 holders, $331m35 holders, $15.6bn
Q2 20267 holders, $137m37 holders, $17.3bn
CENX

Century Alum Co

Holders
3
Reported value
$31m
Buyers
1
Sellers
2

Breadth -1 among 95 comparable managers.

Materials
HWM

Howmet Aerospace Inc

Holders
22
Reported value
$13.2bn
Buyers
7
Sellers
15

Breadth -8 among 95 comparable managers.

Materials

Who holds both, Q2 2025

Among the 24 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only CENX (2)

First Eagle Investment Management LLC, Woodline Partners LP

Only HWM (21)

AllianceBernstein LP, AQR Capital Management LLC, Arrowstreet Capital LP, Artisan Partners LP, Balyasny Asset Management LLC, Capital Research Global Investors, Capital World Investors, Caxton Associates LLP, Fidelity (FMR LLC), Freestone Grove Partners LP, GAMCO Investors Inc, Holocene Advisors LP, Invesco Ltd, Janus Henderson Group Ltd, MFS Investment Management, Neuberger Berman Group LLC, PDT Partners LLC, Renaissance Technologies LLC, Schonfeld Strategic Advisors LLC, T. Rowe Price Associates Inc, Wellington Management Group LLP

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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