hilary shane, a 10% owner of $FONR, bought 225,426 shares of the company on 05-28-2026 for an estimated $4,294,365. 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 228.4%. Following this trade, they now own 324,118 shares of this class of $FONR stock.
$FONR Insider Trading Activity
$FONR insiders have traded $FONR stock on the open market 4 times in the past 6 months. Of those trades, 4 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $FONR stock by insiders over the last 6 months:
- HILARY SHANE has made 4 purchases buying 338,753 shares for an estimated $6,448,959 and 0 sales.
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.
$FONR Hedge Fund Activity
We have seen 17 institutional investors add shares of $FONR stock to their portfolio, and 26 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- RENAISSANCE TECHNOLOGIES LLC removed 315,716 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $5,859,688
- FNY INVESTMENT ADVISERS, LLC added 252,806 shares (+inf%) to their portfolio in Q1 2026, for an estimated $4,692,079
- KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC removed 251,350 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $4,665,056
- GROUPE LA FRANCAISE added 118,800 shares (+inf%) to their portfolio in Q1 2026, for an estimated $2,204,928
- GABELLI FUNDS LLC added 90,514 shares (+inf%) to their portfolio in Q1 2026, for an estimated $1,679,939
- TRUFFLE HOUND CAPITAL, LLC removed 90,000 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $1,670,400
- TWO SIGMA INVESTMENTS, LP added 80,710 shares (+inf%) to their portfolio in Q1 2026, for an estimated $1,497,977
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.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.