$ATYR stock has now risen 11% today, according to our price data from Polygon. There has been approximately $1,306,084 of trading volume.
It has been the 409th most-searched ticker on Quiver Quantitative over the last day, out of 14,310 total tickers searched.
Here is what we see in our data on $ATYR (you can track the company live on Quiver's $ATYR stock page):
$ATYR Insider Trading Activity
$ATYR insiders have traded $ATYR stock on the open market 4 times in the past 6 months. Of those trades, 1 have been purchases and 3 have been sales.
Here’s a breakdown of recent trading of $ATYR stock by insiders over the last 6 months:
- PAUL SCHIMMEL purchased 100,000 shares for an estimated $49,630
- SANJAY SHUKLA (President and CEO) sold 3,745 shares for an estimated $3,655
- JILL MARIE BROADFOOT (Chief Financial Officer) sold 1,558 shares for an estimated $1,520
- NANCY DENYES (General Counsel) sold 1,118 shares for an estimated $1,091
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.
$ATYR Hedge Fund Activity
We have seen 62 institutional investors add shares of $ATYR stock to their portfolio, and 64 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- UBS GROUP AG added 2,241,916 shares (+137.9%) to their portfolio in Q1 2026, for an estimated $1,748,694
- GSA CAPITAL PARTNERS LLP added 1,923,907 shares (+272.2%) to their portfolio in Q4 2025, for an estimated $1,506,611
- MILLENNIUM MANAGEMENT LLC added 1,641,246 shares (+inf%) to their portfolio in Q1 2026, for an estimated $1,280,171
- ROSALIND ADVISORS, INC. removed 1,039,080 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $810,482
- TWO SIGMA ADVISERS, LP added 841,350 shares (+inf%) to their portfolio in Q4 2025, for an estimated $658,861
- TWO SIGMA INVESTMENTS, LP added 690,122 shares (+151.9%) to their portfolio in Q1 2026, for an estimated $538,295
- TANG CAPITAL MANAGEMENT LLC removed 671,134 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $525,565
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 $ATYR 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.