$GSM stock has now risen 10% today, according to our price data from Polygon. There has been approximately $4,973,425 of trading volume.
Here is what we see in our data on $GSM (you can track the company live on Quiver's $GSM stock page):
$GSM Insider Trading Activity
$GSM insiders have traded $GSM stock on the open market 3 times in the past 6 months. Of those trades, 2 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $GSM stock by insiders over the last 6 months:
- COS MUNTANOLA BEATRIZ GARCIA (CHIEF FINANCE OFFICER) sold 32,292 shares for an estimated $138,855
- DE FUENTES SILVIA VILLAR-MIR purchased 26,000 shares for an estimated $100,323
- MADRID JAVIER LOPEZ (Executive Chairman) purchased 26,000 shares for an estimated $100,323
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$GSM Hedge Fund Activity
We have seen 97 institutional investors add shares of $GSM stock to their portfolio, and 96 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- DONALD SMITH & CO., INC. added 2,692,069 shares (+49.5%) to their portfolio in Q2 2026, for an estimated $8,560,779
- ARDSLEY ADVISORY PARTNERS LP added 2,185,000 shares (+inf%) to their portfolio in Q2 2026, for an estimated $6,948,300
- CENTERBOOK PARTNERS LP added 1,631,239 shares (+174.4%) to their portfolio in Q2 2026, for an estimated $5,187,340
- HOSKING PARTNERS LLP removed 1,331,057 shares (-11.5%) from their portfolio in Q2 2026, for an estimated $4,232,761
- MAN INVESTMENT PARTNERS (US) LP removed 1,286,367 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $4,090,647
- SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 1,236,720 shares (+inf%) to their portfolio in Q2 2026, for an estimated $3,932,769
- QUBE RESEARCH & TECHNOLOGIES LTD added 1,150,911 shares (+inf%) to their portfolio in Q2 2026, for an estimated $3,659,896
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
You can track data on $GSM on Quiver Quantitative.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.
