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Disclosery

GSM FERROGLOBE PLC

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SHS (common), issuer CIK 1639877

170 managers (173 13F filers) reported a position in GSM shares at 2026-03-31, 103,642,411 shares in all. 36 filers opened a position and 21 filers sold out during the quarter.

Managers
170
13F filers
173
New
36
Added
42
Reduced
63
Sold out
21
Shares held by filers
103,642,411

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

  • Grupo Villar Mir, S.A.U.
    66,755,434 shares, 35.7% in a 13G/A as of 2026-09-30,0000950157-26-001089
    Accepted , ingested

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
COOPER CREEK PARTNERS MANAGEMENT LLC13,715,302$56.5M2.72%-1,206,64413F-HRTimeline
Hosking Partners LLP11,561,188$47.6M1.71%+345,57213F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.6,652,203$27.4M<0.01%-216,18713F-HRTimelineGroup
BARROW HANLEY MEWHINNEY & STRAUSS LLC6,075,049$25M0.08%-389,82313F-HRTimeline
DONALD SMITH & CO., INC.in group DONALD SMITH & CO., INC.5,434,704$22.4M0.4%+75,63113F-HRTimelineGroup
Old West Investment Management, LLC3,926,619$16.2M1.75%+127,83813F-HRTimeline
GRIZZLYROCK CAPITAL, LLC3,628,840$15M11.84%-446,90213F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC2,768,235$11.4M0.02%-103,90013F-HRTimeline
ROYCE & ASSOCIATES LP2,348,451$9.68M0.1%-115,00013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC2,216,942$9.13M<0.01%-10,64213F-HR/ATimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP2,206,383$9.09M<0.01%-26,76513F-HRTimelineGroup
First Eagle Investment Management, LLCin group First Eagle Investment Manage…2,083,272$8.58M0.01%+20,00013F-HR/ATimelineGroup
STATE STREET CORPin group STATE STREET CORP2,079,718$8.57M<0.01%+12,53213F-HRTimelineGroup
MASTERS CAPITAL MANAGEMENT LLC2,000,000$8.24M1.22%013F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC1,790,180$7.38M<0.01%-512,10613F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,592,749$6.56M<0.01%+29,85613F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co1,475,448$6.08M<0.01%-122,60413F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC1,415,337$5.83M0.12%+61,47413F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC1,303,260$5.37M0.02%+222,05213F-HRTimeline
Man Investment Partners (US) LP1,286,367$5.3M6.29%-11,18513F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…1,209,493$4.98M0.01%-3,06513F-HRTimelineGroup
Walleye Capital LLCin group Walleye Capital LLC1,185,259$4.88M0.03%-337,32113F-HR/ATimelineGroup
Thomist Capital Management, LP1,083,764$4.47M1.53%-366,64313F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC1,039,411$4.28M<0.01%new13F-HRTimelineGroup
Bastion Asset Management Inc.909,547$4.15M1.27%new13F-HRTimeline
CenterBook Partners LP935,523$3.85M0.21%-538,70513F-HRTimeline
GENDELL JEFFREY Lin group GENDELL JEFFREY L912,323$3.76M0.05%+814,32613F-HRTimelineGroup
GENERAL AMERICAN INVESTORS CO INC907,591$3.74M0.25%-50,00013F-HRTimeline
Empowered Funds, LLC879,237$3.62M0.02%+61,47413F-HR/ATimeline
Ballast Asset Management, LP870,172$3.59M1.6%+21,01013F-HRTimeline
Wolf Hill Capital Management, LPin group Wolf Hill Capital Management,…855,685$3.53M0.5%-677,38413F-HRTimelineGroup
VANGUARD GROUP INCgroup of 3 filers holding754,145$3.11M+735,679Timeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC711,452$2.93M<0.01%-150,87713F-HRTimelineGroup
Orchard Capital Management, LLC681,745$2.81M3.68%013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP672,020$2.77M<0.01%+47,04813F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …668,757$2.76M<0.01%+537,45713F-HRTimelineGroup
JB CAPITAL PARTNERS LP655,000$2.7M0.46%013F-HRTimeline
HRT FINANCIAL LP650,087$2.68M0.01%+371,81113F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO639,440$2.63M<0.01%+256,44913F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC576,638$2.38M<0.01%-4,295,30413F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/561,001$2.31M<0.01%-526,46913F-HRTimelineGroup
RBF Capital, LLC521,005$2.15M0.11%013F-HR/ATimeline
1492 Capital Management LLC519,449$2.14M0.81%+58,31613F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC491,209$2.02M<0.01%+50,71913F-HRTimelineGroup
DBA TRADING, LLC460,000$1.9M0.94%-59,06013F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO450,497$1.87M<0.01%-31113F-HR/ATimelineGroup
ExodusPoint Capital Management, LP417,413$1.72M0.02%new13F-HRTimeline
Boston Partnersin group Boston Trust Walden Corp351,435$1.45M<0.01%-91,00713F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC349,834$1.44M0.02%+235,46213F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding339,417$1.4M-123,510Timeline
UBS Group AGin group UBS Group AG337,777$1.39M<0.01%-248,43013F-HRTimelineGroup
Pekin Hardy Strauss, Inc.325,400$1.34M0.14%013F-HRTimeline
Invesco Ltd.in group Invesco Ltd.300,448$1.24M<0.01%+1,10713F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp254,591$1.05M<0.01%-11,50413F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY245,380$1.01M<0.01%-533,54613F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/244,145$1.01M<0.01%+51,61113F-HRTimelineGroup
LPL Financial LLC235,872$972K<0.01%+85,27213F-HRTimeline
MASSACHUSETTS FINANCIAL SERVICES CO /MA/in group MASSACHUSETTS FINANCIAL SERVI…201,546$830K<0.01%new13F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.200,460$826K<0.01%+53,04913F-HRTimelineGroup
MARTINGALE ASSET MANAGEMENT L P198,107$816K0.02%new13F-HRTimeline
Counterpoint Mutual Funds LLC192,189$792K0.12%+83,59713F-HRTimeline
Nuveen, LLCin group TIAA174,473$719K<0.01%013F-HRTimelineGroup
Verdence Capital Advisors LLC160,171$660K0.04%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…157,461$649K<0.01%+14,42213F-HRTimeline
Unison Advisors LLC156,142$643K0.05%013F-HRTimeline
RHUMBLINE ADVISERS147,018$606K<0.01%-3,11813F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC141,696$581K<0.01%new13F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc137,323$566K<0.01%-5,61013F-HRTimelineGroup
ALGERT GLOBAL LLC126,718$522K0.01%new13F-HR/ATimeline
Caption Management, LLC126,115$520K0.02%-75,03513F-HRTimeline
West Tower Group, LLC125,285$516K1.61%013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\120,764$498K<0.01%-50,28813F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.100,200$465K<0.01%013F-HRTimeline
Diametric Capital, LP108,869$449K0.12%-104,03313F-HRTimeline
Connor, Clark & Lunn Investment Managem…105,863$436K<0.01%new13F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC102,170$421K<0.01%+28,61013F-HRTimeline
Quantbot Technologies LP100,560$414K0.02%+80,15013F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/93,280$385K<0.01%+22,57313F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP91,283$376K<0.01%+55,48313F-HRTimelineGroup
STRS OHIO81,600$336K<0.01%013F-HRTimeline
Aquatic Capital Management LLC80,178$330K0.01%new13F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources80,163$330K<0.01%-7,88413F-HRTimelineGroup
Legacy Capital Group California, Inc.75,273$310K0.12%-53,31713F-HRTimeline
Cannell & Spears LLC75,000$309K0.01%013F-HR/ATimeline
Virtu Financial LLCin group Virtu Financial LLC63,557$262K0.01%new13F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…60,346$249K<0.01%+7,93513F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…57,429$237K<0.01%+1,93413F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN56,179$231K<0.01%-88,86613F-HR/ATimelineGroup
HighTower Advisors, LLC52,918$218K<0.01%new13F-HRTimeline
Central Pacific Bank - Trust Division49,043$202K0.03%013F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC44,923$185K<0.01%-25,00813F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…41,432$171K<0.01%+35,62213F-HRTimelineGroup
BECK MACK & OLIVER LLC40,400$166K<0.01%013F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC39,987$160K<0.01%new13F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD38,647$159K<0.01%-2,31013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC36,346$150K<0.01%+24,38313F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC34,719$143K<0.01%-154,80513F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …34,375$142K<0.01%-3,00813F-HRTimelineGroup
Corient Private Wealth LPin group Corient Private Wealth LP34,188$141K<0.01%-64,85513F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS34,112$141K<0.01%+6,80213F-HRTimelineGroup
GLOBEFLEX CAPITAL L P32,579$134K0.02%new13F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND32,400$133K<0.01%-5,40013F-HRTimeline
TWO SIGMA SECURITIES, LLC30,492$126K0.01%new13F-HRTimeline
Y-Intercept (Hong Kong) Ltd30,132$124K<0.01%new13F-HRTimeline
Police & Firemen's Retirement System of…29,358$121K<0.01%013F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC27,100$112K<0.01%new13F-HRTimelineGroup
Cohen Capital Management, Inc.26,400$109K0.02%013F-HRTimeline
Alessandra Capital Management, LLC26,100$108K0.09%-1,50013F-HRTimeline
PharVision Advisers, LLC23,094$95.1K0.97%-32,29813F-HR/ATimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC22,544$92.9K<0.01%-65313F-HRTimelineGroup
World Investment Advisors22,388$92.2K<0.01%-42013F-HRTimeline
Creative Planningin group Creative Planning20,506$84.5K<0.01%-22,46413F-HRTimelineGroup
&PARTNERS20,363$83.9K<0.01%-2,47613F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC18,585$76.6K<0.01%new13F-HRTimelineGroup
Covestor Ltd17,466$72K0.05%+3,30613F-HRTimeline
ProShare Advisors LLC17,330$71.4K<0.01%-4,51913F-HRTimeline
Schonfeld Strategic Advisors LLC16,873$69.5K<0.01%-71,34113F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC16,570$68.3K0.01%-17,51613F-HRTimeline
Banco Santander, S.A.in group Banco Santander, S.A.14,859$61.2K<0.01%013F-HRTimelineGroup
Headlands Technologies LLC14,085$58K0.01%new13F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…13,530$55.7K<0.01%+10,31113F-HRTimelineGroup
MASTER'S WEALTH MANAGEMENT INC.12,410$51.1K0.02%new13F-HRTimeline
SIMPLEX TRADING, LLC12,053$49.7K<0.01%-91,79413F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd11,602$47.8K<0.01%new13F-HRTimelineGroup
Parkwoods Wealth Partners, LLC11,500$47.4K0.01%013F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP11,300$46.6K<0.01%new13F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management11,213$46.2K<0.01%-142,08313F-HRTimelineGroup
PFG Investments, LLC10,952$45.1K<0.01%new13F-HRTimeline
R Squared Ltd10,679$44K0.02%new13F-HRTimeline
XPONANCE LLC10,659$43.9K<0.01%new13F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP10,200$42K<0.01%013F-HRTimelineGroup
Centiva Capital, LP10,155$41.8K<0.01%new13F-HRTimeline
IMC-Chicago, LLC10,046$41.4K<0.01%new13F-HRTimeline
Marex Group Ltdin group Marex Group Ltd10,001$41.2K<0.01%new13F-HRTimelineGroup
CREATIVE FINANCIAL DESIGNS INC /ADV10,000$41.2K<0.01%013F-HRTimeline
HIGHLAND CAPITAL MANAGEMENT, LLC10,000$41.2K<0.01%013F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…9,988$41.2K<0.01%013F-HRTimelineGroup
State of Wyoming7,465$30.8K<0.01%-3,81313F-HRTimeline
State of Alaska, Department of Revenue7,074$29K<0.01%013F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…6,470$26.7K<0.01%-89013F-HRTimeline
Sterling Capital Management LLC3,984$16.4K<0.01%-2,90713F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA3,844$16K<0.01%+21813F-HRTimelineGroup
FMR LLCin group FMR LLC3,651$15K<0.01%-14813F-HRTimelineGroup
AdvisorNet Financial, Inc3,191$13.1K<0.01%013F-HRTimeline
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.3,000$12.4K<0.01%013F-HRTimelineGroup
SIGNATUREFD, LLC2,387$9.83K<0.01%+17113F-HRTimeline
QUADRANT CAPITAL GROUP LLC1,961$8.08K<0.01%-5,94113F-HR/ATimeline
SUMMIT SECURITIES GROUP LLC1,802$7.42K<0.01%new13F-HRTimeline
Pinnacle Wealth Planning Services, Inc.1,577$6.5K<0.01%013F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.1,504$6K<0.01%-77313F-HRTimeline
NISA INVESTMENT ADVISORS, LLC1,445$5.95K<0.01%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.1,354$5.58K<0.01%-54,59913F-HRTimelineGroup
Smartleaf Asset Management LLC1,043$4.34K<0.01%013F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management1,018$4.19K<0.01%-7,31613F-HRTimelineGroup
CWM, LLCin group CWM, LLC919$3.79K<0.01%+65313F-HRTimelineGroup
Allworth Financial LP594$2.45K<0.01%-17313F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…279$1.15K<0.01%-8513F-HRTimelineGroup
Parallel Advisors, LLC265$1.09K<0.01%+3613F-HR/ATimeline
MAI Capital Management228$940<0.01%new13F-HRTimeline
GAMMA Investing LLC221$911<0.01%013F-HRTimeline
Farther Finance Advisors, LLC198$788<0.01%+2913F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP118$507<0.01%013F-HRTimelineGroup
SBI Securities Co., Ltd.115$474<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC69$284<0.01%new13F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…69$284<0.01%new13F-HRTimeline
Caitong International Asset Management …55$227<0.01%new13F-HRTimeline
Essential Partners LLC39$161<0.01%+2613F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…22$91<0.01%new13F-HR/ATimelineGroup
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…16$65<0.01%new13F-HRTimelineGroup
SJS Investment Consulting Inc.5$21<0.01%new13F-HRTimeline

Events

  • Grupo Villar Mir, S.A.U. reported 66,755,434 GSM shares, 35.7% of the class, as of 2026-09-30, in a 13G/A filed 2026-10-09. 0000950157-26-001089

    Accepted , ingested