$ATEC stock has now fallen 27% today, according to our price data from Polygon. There has been approximately $47,859,465 of trading volume.
It has been the 623rd most-searched ticker on Quiver Quantitative over the last day, out of 11,753 total tickers searched.
Here is what we see in our data on $ATEC (you can track the company live on Quiver's $ATEC stock page):
$ATEC Insider Trading Activity
$ATEC insiders have traded $ATEC stock on the open market 37 times in the past 6 months. Of those trades, 0 have been purchases and 37 have been sales.
Here’s a breakdown of recent trading of $ATEC stock by insiders over the last 6 months:
- DAVID R PELIZZON has made 0 purchases and 5 sales selling 1,000,000 shares for an estimated $20,565,098.
- CAPITAL LLC SQUADRON has made 0 purchases and 4 sales selling 750,000 shares for an estimated $15,650,098.
- CAPITAL HOLDINGS LLC SQUADRON has made 0 purchases and 4 sales selling 750,000 shares for an estimated $15,650,098.
- JENNIFER N. PRITZKER has made 0 purchases and 4 sales selling 750,000 shares for an estimated $15,650,098.
- SCOTT LISH (CHIEF OPERATING OFFICER) has made 0 purchases and 4 sales selling 316,310 shares for an estimated $4,323,902.
- PATRICK MILES (CEO) has made 0 purchases and 2 sales selling 200,000 shares for an estimated $4,312,000.
- DAVID SPONSEL (EVP, SALES) has made 0 purchases and 4 sales selling 245,971 shares for an estimated $3,339,666.
- TYSON ELIOT MARSHALL (GENERAL COUNSEL & CORP. SEC.) has made 0 purchases and 4 sales selling 181,724 shares for an estimated $2,966,775.
- CRAIG E HUNSAKER (EVP, PEOPLE & CULTURE) has made 0 purchases and 4 sales selling 186,309 shares for an estimated $2,669,627.
- JOHN TODD KONING (CHIEF FINANCIAL OFFICER) sold 79,789 shares for an estimated $986,192
- DAVID M DEMSKI sold 30,000 shares for an estimated $636,000
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.
$ATEC Hedge Fund Activity
We have seen 154 institutional investors add shares of $ATEC stock to their portfolio, and 124 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- MILLENNIUM MANAGEMENT LLC added 1,658,349 shares (+292.2%) to their portfolio in Q4 2025, for an estimated $34,891,662
- TREMBLANT CAPITAL GROUP added 1,624,997 shares (+inf%) to their portfolio in Q4 2025, for an estimated $34,189,936
- BRAIDWELL LP removed 1,514,604 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $31,867,268
- DRIEHAUS CAPITAL MANAGEMENT LLC added 1,449,158 shares (+102.8%) to their portfolio in Q4 2025, for an estimated $30,490,284
- IRON TRIANGLE PARTNERS LP added 1,285,685 shares (+inf%) to their portfolio in Q4 2025, for an estimated $27,050,812
- WESTERN STANDARD LLC removed 1,232,881 shares (-98.2%) from their portfolio in Q1 2026, for an estimated $13,413,745
- CITADEL ADVISORS LLC added 1,152,673 shares (+623.4%) to their portfolio in Q4 2025, for an estimated $24,252,239
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.
$ATEC Analyst Ratings
Wall Street analysts have issued reports on $ATEC in the last several months. We have seen 1 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- Freedom Capital Markets issued a "Buy" rating on 12/11/2025
To track analyst ratings and price targets for $ATEC, check out Quiver Quantitative's $ATEC forecast page.
$ATEC Price Targets
Multiple analysts have issued price targets for $ATEC recently. We have seen 6 analysts offer price targets for $ATEC in the last 6 months, with a median target of $22.5.
Here are some recent targets:
- David Saxon from Needham set a target price of $14.0 on 05/06/2026
- Thomas Stephan from Stifel set a target price of $20.0 on 03/09/2026
- Sean Lee from HC Wainwright & Co. set a target price of $24.0 on 01/12/2026
- Matt Miksic from Barclays set a target price of $27.0 on 01/07/2026
- Keith Hinton from Freedom Capital Markets set a target price of $25.0 on 12/11/2025
- Drew Ranieri from Morgan Stanley set a target price of $21.0 on 11/10/2025
You can track data on $ATEC 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.
