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$COSM stock is up 20% today. Here's what we see in our data.

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$COSM stock has now risen 20% today, according to our price data from Polygon. There has been approximately $3,068,161 of trading volume.

Here is what we see in our data on $COSM (you can track the company live on Quiver's $COSM stock page):

$COSM Insider Trading Activity

COSM Insider Trades

$COSM insiders have traded $COSM stock on the open market 16 times in the past 6 months. Of those trades, 16 have been purchases and 0 have been sales.

Here’s a breakdown of recent trading of $COSM stock by insiders over the last 6 months:

  • GRIGORIOS SIOKAS (Chief Executive Officer) has made 16 purchases buying 2,703,030 shares for an estimated $1,286,999 and 0 sales.

To track insider transactions, check out Quiver Quantitative's insider trading dashboard.

$COSM Hedge Fund Activity

We have seen 11 institutional investors add shares of $COSM stock to their portfolio, and 7 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

  • RENAISSANCE TECHNOLOGIES LLC added 241,775 shares (+260.5%) to their portfolio in Q4 2025, for an estimated $120,403
  • CITADEL ADVISORS LLC removed 102,351 shares (-45.4%) from their portfolio in Q4 2025, for an estimated $50,970
  • TWO SIGMA SECURITIES, LLC added 36,290 shares (+inf%) to their portfolio in Q4 2025, for an estimated $18,072
  • XTX TOPCO LTD added 34,117 shares (+52.1%) to their portfolio in Q4 2025, for an estimated $16,990
  • STATE STREET CORP added 20,500 shares (+82.9%) to their portfolio in Q4 2025, for an estimated $10,209
  • STONEX GROUP INC. removed 19,300 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $9,611
  • HRT FINANCIAL LP added 15,094 shares (+142.8%) to their portfolio in Q4 2025, for an estimated $7,516

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.

$COSM Revenue

COSM Quarterly Revenue

$COSM had revenues of $17.1M in Q3 2025. This is an increase of 37.86% from the same period in the prior year.

You can track COSM financials on Quiver Quantitative's COSM stock page.

You can track data on $COSM 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.

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