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OC · 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.

OCHWM
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.
  • OC
  • HWM
010203040202120222023202420252026
Holders and value by quarter
QuarterOCHWM
Q3 202015 holders, $523m12 holders, $1.6bn
Q4 20209 holders, $277m21 holders, $3.0bn
Q1 20217 holders, $761m18 holders, $3.2bn
Q2 20217 holders, $313m19 holders, $3.8bn
Q3 20217 holders, $360m18 holders, $3.4bn
Q4 20218 holders, $382m15 holders, $3.7bn
Q1 20227 holders, $515m12 holders, $3.6bn
Q2 20225 holders, $430m15 holders, $3.2bn
Q3 20229 holders, $467m20 holders, $3.1bn
Q4 20229 holders, $362m19 holders, $4.4bn
Q1 202311 holders, $495m23 holders, $4.7bn
Q2 202314 holders, $915m25 holders, $5.2bn
Q3 202317 holders, $1.1bn26 holders, $4.3bn
Q4 202313 holders, $656m22 holders, $5.0bn
Q1 202413 holders, $782m22 holders, $6.1bn
Q2 202412 holders, $1.2bn23 holders, $7.1bn
Q3 202410 holders, $627m25 holders, $8.7bn
Q4 202412 holders, $912m21 holders, $9.0bn
Q1 202518 holders, $1.1bn23 holders, $10.0bn
Q2 202520 holders, $1.0bn22 holders, $13.2bn
Q3 202513 holders, $758m23 holders, $13.4bn
Q4 202515 holders, $1.1bn26 holders, $13.6bn
Q1 20269 holders, $781m35 holders, $15.6bn
Q2 20269 holders, $1.6bn37 holders, $17.3bn
OC

Owens Corning New

Holders
13
Reported value
$656m
Buyers
9
Sellers
5

Breadth +4 among 93 comparable managers.

Materials
HWM

Howmet Aerospace Inc

Holders
22
Reported value
$5.0bn
Buyers
8
Sellers
15

Breadth -7 among 93 comparable managers.

Materials

Who holds both, Q4 2023

Among the 31 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only OC (9)

Appaloosa LP, Balyasny Asset Management LLC, Brevan Howard Capital Management LP, Bridgewater Associates LP, Hudson Bay Capital Management LP, Man Group PLC, Quantbot Technologies LP, Schonfeld Strategic Advisors LLC, Woodline Partners LP

Only HWM (18)

AllianceBernstein LP, Artisan Partners LP, Capital World Investors, Elliott Investment Management LP, ExodusPoint Capital Management LP, Farallon Capital Management LLC, Fidelity (FMR LLC), GAMCO Investors Inc, Harris Associates LP, Janus Henderson Group Ltd, MFS Investment Management, Neuberger Berman Group LLC, PDT Partners LLC, Renaissance Technologies LLC, T. Rowe Price Associates Inc, Two Sigma Investments LP, Voloridge Investment Management LLC, Winton Group Ltd

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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