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Ferroglobe GSM

US equityMarket cap rank #3422
$4.19 −$0.13 (-3.01%)
Market open · Oct 8, 10:00 am ET · After hours $4.30 -0.46%
Open$4.24
Prev close$4.32
Day range$4.18 – $4.26
Volume91.8K
Market cap$782.95M
P/E (TTM)–
Dividend yield1.38%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership59.5%-0.27 pts vs. prior quarter
Institutions holding211+2 vs. prior quarter
Insider trades (recent)2 buys / 3 sellsNet selling
Short interest2.54% of floatDays to cover 3.4 · as of 15 Sep 2026
Short-sale volume share22.8%5-day average of daily volume

Short-sale volume as % of daily volume

20%26%33%39%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$800.2K (8 inflow days, 12 outflow days).

Net flow by order size, last 20 sessions

−$664.4KSuper−$135.8KBig+$569.8KMid+$1.3MSmall

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 23.9% of shares outstanding.

Largest holders

  • Cooper Creek Partners Management LLC7.29%
  • Hosking Partners LLP5.47%
  • Donald Smith & Co., Inc.4.35%
  • BlackRock4.07%
  • Barrow, Hanley, Mewhinney & Strauss, LLC2.74%
  • Old West Investment Management, LLC2.25%
  • GrizzlyRock Capital LLC1.91%
  • GWL Investment Management Ltd.1.78%

By investor type

  • Mutual Fund39.41%
  • Hedge Fund18.74%
  • Individual/Insider0.86%
  • Public Company0.64%
  • Private Company0.34%
  • Government Pension Fund0.20%
  • Insurance Company0.08%
  • Family Office/Trust0.07%

Reported short interest has risen from 1.87% to 2.54% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

HolderTypePeriodShare changeNew stake
Donald Smith & Co., Inc. Mutual Fund 2026/Q3 +2,692,069 4.3%
Ardsley Advisory Partners LP Hedge Fund 2026/Q3 +2,185,000 1.2%
Centerbook Partners LP Hedge Fund 2026/Q3 +1,631,239 1.4%
Qube Research & Technologies Ltd Mutual Fund 2026/Q3 +1,150,911 0.6%
BlackRock Mutual Fund 2026/Q3 +950,848 4.1%
Tontine Management, LLC Hedge Fund 2026/Q3 +729,353 0.9%
D. E. Shaw & Co., L.P. Hedge Fund 2026/Q3 +670,558 0.5%
Goldman Sachs Asset Management, L.P. Mutual Fund 2026/Q3 +477,837 0.4%
Numeric Investors LLC Hedge Fund 2026/Q3 +476,550 0.3%
Penn Capital Management Company, LLC Mutual Fund 2026/Q3 +475,726 0.3%
Marathon Asset Management Limited Mutual Fund 2026/Q3 +350,282 0.2%
Columbia Management Investment Advisers, LLC Mutual Fund 2026/Q3 +284,170 1.3%
Integrated Quantitative Investments LLC Mutual Fund 2026/Q3 +279,093 0.1%
Old West Investment Management, LLC Mutual Fund 2026/Q3 +274,677 2.2%
Acadian Asset Management LLC Mutual Fund 2026/Q3 +213,463 0.2%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

DateInsiderTitleTransactionSharesPriceHeld after
21 Sep 2026 Francisco López Madrid Executive Chairperson Derivative Exercise and Sale -6,889 $4.31 246,928
21 Sep 2026 Francisco López Madrid Executive Chairperson Derivative Exercise and Retained +21,228 – 246,928
13 Aug 2026 Beatriz Garcia-Cos Muntanola CFO, IT & Principal Accounting Officer Open Market Disposition -599 $4.30 31,693
13 Aug 2026 Beatriz Garcia-Cos Muntanola CFO, IT & Principal Accounting Officer Derivative Exercise and Sale -36,784 $4.63 31,693
22 Mar 2026 Francisco López Madrid Executive Chairperson Open Market Acquisition +26,000 $3.86 225,700
17 Mar 2026 Bruce Crockett Lead independent director Initial Statement of Beneficial +0 – 2,527
17 Mar 2026 Stuart Eizenstat Independent Non-Executive Director Initial Statement of Beneficial +0 – 72,121
17 Mar 2026 Francisco López Madrid Executive Chairperson Initial Statement of Beneficial +0 – 1,990,110
17 Mar 2026 Silvia de Fuentes Non-Executive Director Initial Statement of Beneficial +0 – 73,990
17 Mar 2026 Manuel Y. Ruano Non-Executive Director Initial Statement of Beneficial +0 – 870
17 Mar 2026 Marco Levi Chief Executive Officer Initial Statement of Beneficial +0 – 1,049,485
17 Mar 2026 Benoist Ollivier Deputy CEO, Chief Technology & Innovation Officer Initial Statement of Beneficial +0 – 354,621
17 Mar 2026 Beatriz Garcia-Cos Muntanola CFO, IT & Principal Accounting Officer Initial Statement of Beneficial +0 – 95,024
17 Mar 2026 Marta de Amusategui y Vergara Independent Non-Executive Director Initial Statement of Beneficial +0 – 78,220
17 Mar 2026 Thomas Wiesner Chief Legal Officer & Company Secretary Initial Statement of Beneficial +0 – 186,630
17 Mar 2026 David Girardeau Chief Human Resources Officer Initial Statement of Beneficial +0 – 143,809
17 Mar 2026 Benjamin Crespy Chief Operating Officer Initial Statement of Beneficial +0 – 203,383

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 4,743,771 2.5% 3.4
31 Aug 2026 3,647,394 2.0% 2.9
14 Aug 2026 2,761,060 1.5% 1.2
31 Jul 2026 3,147,803 1.7% 2.9
15 Jul 2026 2,472,420 1.3% 1.2
30 Jun 2026 3,497,746 1.9% 1.8

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