$ATRA stock has now risen 16% today, according to our price data from Polygon. There has been approximately $2,083,682 of trading volume.
Here is what we see in our data on $ATRA (you can track the company live on Quiver's $ATRA stock page):
$ATRA Insider Trading Activity
$ATRA insiders have traded $ATRA stock on the open market 6 times in the past 6 months. Of those trades, 0 have been purchases and 6 have been sales.
Here’s a breakdown of recent trading of $ATRA stock by insiders over the last 6 months:
- INNOVATION LTD PANACEA sold 80,554 shares for an estimated $489,019
- ANHCO NGUYEN (President and CEO) has made 0 purchases and 2 sales selling 2,915 shares for an estimated $38,437.
- YANINA GRANT-HUERTA (Chief Accounting Officer) has made 0 purchases and 3 sales selling 1,804 shares for an estimated $23,788.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$ATRA Hedge Fund Activity
We have seen 19 institutional investors add shares of $ATRA stock to their portfolio, and 15 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- VESTAL POINT CAPITAL, LP removed 94,085 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $1,348,238
- GLOBEFLEX CAPITAL L P added 61,766 shares (+399.6%) to their portfolio in Q4 2025, for an estimated $1,117,346
- MARSHALL WACE, LLP added 32,836 shares (+28.4%) to their portfolio in Q4 2025, for an estimated $594,003
- GSA CAPITAL PARTNERS LLP removed 26,213 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $474,193
- VANGUARD GROUP INC added 22,502 shares (+11.1%) to their portfolio in Q4 2025, for an estimated $407,061
- MORGAN STANLEY removed 19,947 shares (-55.5%) from their portfolio in Q4 2025, for an estimated $360,841
- BRIDGEWAY CAPITAL MANAGEMENT, LLC added 18,691 shares (+133.5%) to their portfolio in Q4 2025, for an estimated $338,120
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
You can track data on $ATRA 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.
