SEC ownership of Ferroglobe PLC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001639877.

Comparable stake leader

COOPER CREEK PARTNERS MANAGEMENT LLC

Disclosed value leader

COOPER CREEK PARTNERS MANAGEMENT LLC

Comparable rows

50/50

Latest evidence

31 Mar 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
COOPER CREEK PARTNERS MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
31 Mar 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001639877
Issuer location
London

Ownership snapshot

Top shareholders of Ferroglobe PLC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
COOPER CREEK PARTNERS MAN...
Disclosed value leader
COOPER CREEK PARTNERS MAN...
Comparable rows
50/50
Latest evidence
31 Mar 2026
13D/G 13F 3/4/5 Lead comparable stake: 7.3% 13D/G row: COOPER CREEK PARTNERS MANAGEMENT LLC Showing 1-8 of 50 holder rows.

Quick read

COOPER CREEK PARTNERS MANAGEMENT LLC leads the comparable SEC ownership view at 7.3%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens COOPER CREEK PARTNERS MANAGEMENT LLC's linked filing trail.
Comparable ownership Top 5
COOPER CREEK PARTNERS MANAGEMENT LLC 7.3%
Hosking Partners LLP 5.7%
Wolf Hill Capital Management, LP 3.9%
Marco Levi 0.49%
Javier Lopez Madrid 0.16%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
COOPER CREEK PARTNERS MANAGEMENT LLC
13D/G 13F
Company
7.3%
$58,015,727
13,715,302 shares
-$5,104,104 31 Mar 2026
Hosking Partners LLP
13F 13D/G
Company
5.7%
from 13D/G
$47,632,095
11,561,188 shares
31 Mar 2026
Wolf Hill Capital Management, LP
13D/G 13F
Company
3.9%
$25,762,627
7,236,693 shares
$0 31 Dec 2024
Marco Levi
3/4/5
Chief Executive Officer, Director
0.49%
$4,646,804
923,818 shares
18 Mar 2026
Javier Lopez Madrid
3/4/5
Executive Chairman, Director
0.16%
$1,275,538
299,690 shares
+$100,324 23 Mar 2026
Silvia Villar-Mir de Fuentes
3/4/5
Director
0.15%
$1,175,315
273,716 shares
+$100,324 23 Mar 2026
Marta Amusategui Vergara
3/4/5
Director
0.04%
$393,446
78,220 shares
18 Mar 2026
Stuart E. Eizenstat
3/4/5
Director
0.04%
$362,768
72,121 shares
18 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$200,647.

Buys
$200,647
Insiders: 2
Sells
$0
Insiders: 0
Net
+$200,647
Shares: +52,000
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 52,000 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 52,000 0 $200,647 $0 +$200,647
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-17 of 17 reporting-owner rows connected to Ferroglobe PLC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
17
Largest Forms 3/4/5 holder
Marco Levi
Net 12M change
+$200,648
Latest report
23 Mar 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Marco Levi Chief Executive Officer, Director $4,646,804 Mixed 18 Mar 2026
Javier Lopez Madrid Executive Chairman, Director $1,275,538 +$100,324 +8.5% Mixed 23 Mar 2026
Silvia Villar-Mir de Fuentes Director $1,175,315 +$100,324 +9.3% Mixed 23 Mar 2026
Marta Amusategui Vergara Director $393,446 Mixed 18 Mar 2026
Stuart E. Eizenstat Director $362,768 Mixed 18 Mar 2026
Benoit Emile Norbert Ollivier Chief Technology and Innovation Officer. Exhibit 24 - Power of Attorney $278,284 Mixed 18 Mar 2026
David Marie Gabriel Girardeau Chief People and Culture Officer. Exhibit 24 - Power of Attorney $277,474 Mixed 18 Mar 2026
Bruce Larmour Crockett Director $231,380 Mixed 18 Mar 2026
Beatriz Garcia Cos Muntanola Chief Finance Officer $162,428 Mixed 18 Mar 2026
Thomas Kletus Wiesner II Chief Legal Officer $138,325 Mixed 18 Mar 2026
Manuel Garrido Ruano Director $4,376 Mixed 18 Mar 2026
Benjamin Noel Camille Crespy Chief Operating Officer $1,735 Mixed 18 Mar 2026
Carsten Larsen Chief Commercial Officer Mixed 18 Mar 2026
Nicolas de Santis Director Mixed 18 Mar 2026
Morenes Maria Belen Villalonga Director Mixed 18 Mar 2026
Juan Villar-Mir de Fuentes Director Mixed 18 Mar 2026
Rafael Barrilero Yarnoz Director Mixed 18 Mar 2026

Recent insider transactions for Ferroglobe PLC

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Silvia Villar-Mir de Fuentes GSM Ordinary shares Purchase 27.3% $100,324 $3.86 26,000 121,226 23 Mar 2026 By a corporation controlled by spouse
Javier Lopez Madrid GSM Ordinary shares Purchase 21.4% $100,324 $3.86 26,000 147,200 23 Mar 2026 By Financiera Siacapital SL
* marks a reported price that did not pass the local price check.
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