Charles Cherington, a 10% owner of $ERNA, bought 21,241,163 shares of the company on 06-09-2025 for an estimated $2,221,825. This trade was reported by Quiver Quantitative using data from a recent SEC filing. This increased their holdings of this class of stock by approximately 104.0%. Following this trade, they now own 41,659,743 shares of this class of $ERNA stock.
$ERNA Insider Trading Activity
$ERNA insiders have traded $ERNA stock on the open market 2 times in the past 6 months. Of those trades, 2 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $ERNA stock by insiders over the last 6 months:
- CHARLES CHERINGTON has made 2 purchases buying 25,009,560 shares for an estimated $2,615,999 and 0 sales.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$ERNA Hedge Fund Activity
We have seen 13 institutional investors add shares of $ERNA stock to their portfolio, and 12 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- TWO SIGMA SECURITIES, LLC added 199,602 shares (+671.2%) to their portfolio in Q1 2025, for an estimated $35,529
- CITIGROUP INC added 153,140 shares (+1020933.3%) to their portfolio in Q1 2025, for an estimated $27,258
- VANGUARD PERSONALIZED INDEXING MANAGEMENT, LLC added 67,623 shares (+inf%) to their portfolio in Q1 2025, for an estimated $12,036
- CITADEL ADVISORS LLC added 65,572 shares (+inf%) to their portfolio in Q1 2025, for an estimated $11,671
- MILLENNIUM MANAGEMENT LLC removed 45,046 shares (-100.0%) from their portfolio in Q1 2025, for an estimated $8,018
- HRT FINANCIAL LP added 42,499 shares (+inf%) to their portfolio in Q1 2025, for an estimated $7,564
- GEODE CAPITAL MANAGEMENT, LLC added 35,838 shares (+13.9%) to their portfolio in Q1 2025, for an estimated $6,379
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.