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ROCKWOOD RESEARCH · A CORPORATE FILINGS WEBSITE|STRAIGHT FROM THE SOURCE · SEC EDGAR|SPONSOREDYour message on this tape — bid on the Rockwood Ad Exchange · Rockwood Ad Exchange|

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Celanese Corp

Plastic Material, Synth Resin/Rubber, Cellulos (No Glass) · SIC 2820CIK 1306830Held by 7 tracked managersEDGAR filings ↗10-K/10-Q ↗

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6 of 6 reported changes in each tracked manager’s latest 13F vs its prior quarter (Q2 2026). Every change is listed — no cap.

ManagerActionShare change% chgEnding % of 13F bookPosition size

Adage Capital Management

Q2 2026Position history →

Add+207,000+191.7%0.02%$14.5M

Bridgewater Associates

Q2 2026Position history →

Add+2,043+1.8%0.02%$5.4M

Q2 2026Position history →

Trim(63,676)(0.4%)0.37%$703.0M

Capital Research Global Investors

Q2 2026Position history →

Trim(944,560)(20.1%)0.02%$172.6M

Fuller & Thaler Asset Management

Q2 2026Position history →

Trim(199,714)(5.4%)0.44%$161.9M

Holocene Advisors

Q2 2026Position history →

Trim(921,643)(97.4%)<0.01%$1.1M

Changes compare each manager’s latest 13F with its prior quarter for the same CUSIP. “First observation” rows have no earlier stored filing to compare and are never counted as buys; “Split?” rows moved by a near-whole factor at an unchanged value and are treated as stock splits, not trades. Ending weight is the position after the change, not the size of the change.