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Century Aluminum Co. 13F holders

Of the 44 funds followed here, 8 reported a position in Century Aluminum Co. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 2.0 million shares worth $90.2 million, 0.0% of its reported book. New this quarter: Two Sigma Investments.

FundSharesValueOf its bookChange on the quarterStatusQuarter endedFiling
FMR LLC1,960,353$90.2 million0.0%-699,701trimmed30 June 202613F
Geode Capital Management1,846,800$85.0 million0.0%+306,588added30 June 202613F
Millennium Management1,126,817$51.8 million0.0%-860,808trimmed30 June 202613F
Citadel Advisors652,331$30.0 million0.0%-1,038,136trimmed30 June 202613F
Bridgewater Associates473,928$21.8 million0.1%-258,589trimmed30 June 202613F
Point72 Asset Management373,355$17.2 million0.0%-286,196trimmed30 June 202613F
Renaissance Technologies94,299$4.3 million0.0%-45,200trimmed30 June 202613F
Two Sigma Investments27,571$1.3 million0.0%+27,571new30 June 202613F
Value is what the fund reported.
Read moreChange is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.

Schedule 13D and 13G filed on the name, last twelve months

FiledScheduleWhoHoldingOf the classEvent dateRule or purposeFiling
5 October 202613G/ABlackRock, Inc. and 1 other10.4 million10.5%30 September 2026passive, institutional (13d-1(b))EDGAR
7 August 202613GState Street Corporation and 1 other5.5 million5.6%30 June 2026passive, institutional (13d-1(b))EDGAR
27 July 202613G/ABlackRock, Inc. and 1 other9.4 million9.5%30 June 2026passive, institutional (13d-1(b))EDGAR
24 April 202613G/ABlackRock, Inc. and 1 other8.1 million8.2%31 March 2026passive, institutional (13d-1(b))EDGAR
26 March 202613G/AThe Vanguard Group and 1 other00.0%13 March 2026passive, institutional (13d-1(b))EDGAR
30 January 202613G/AThe Vanguard Group and 1 other6.9 million7.4%31 December 2025passive, institutional (13d-1(b))EDGAR
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read moreAmendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.

Fails to deliver

Settlement dateShares failedPriceFile
2 September 2026803$46.78SEC
28 August 202619,229$45.89SEC
24 August 2026270$43.92SEC
7 August 20267$45.95SEC
6 August 202626$46.90SEC
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
Read moreLargest in the window: 19,229 on 28 August 2026. A fail is an operational fact about settlement, not a position.

Source

Each fund's 13F-HR on EDGAR, linked per row; positions matched to CENX by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.

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