$OPK stock has now fallen 15% today, according to our price data from Polygon. There has been approximately $2,833,208 of trading volume.
Here is what we see in our data on $OPK (you can track the company live on Quiver's $OPK stock page):
$OPK Insider Trading Activity
$OPK insiders have traded $OPK stock on the open market 34 times in the past 6 months. Of those trades, 34 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $OPK stock by insiders over the last 6 months:
- PHILLIP MD ET AL FROST (CEO & Chairman) has made 33 purchases buying 2,423,300 shares for an estimated $3,191,591 and 0 sales.
- JOHN A PAGANELLI purchased 10,000 shares for an estimated $11,350
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.
$OPK Hedge Fund Activity
We have seen 71 institutional investors add shares of $OPK stock to their portfolio, and 116 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- VANGUARD GROUP INC removed 5,078,109 shares (-13.5%) from their portfolio in Q4 2025, for an estimated $6,398,417
- CITADEL ADVISORS LLC added 2,577,558 shares (+921.0%) to their portfolio in Q4 2025, for an estimated $3,247,723
- UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC removed 2,020,695 shares (-75.0%) from their portfolio in Q4 2025, for an estimated $2,546,075
- BLACKROCK, INC. added 1,679,646 shares (+5.1%) to their portfolio in Q4 2025, for an estimated $2,116,353
- JANE STREET GROUP, LLC added 1,512,498 shares (+575.4%) to their portfolio in Q4 2025, for an estimated $1,905,747
- WEISS ASSET MANAGEMENT LP removed 1,130,771 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $1,424,771
- OP ASSET MANAGEMENT LTD added 1,102,254 shares (+inf%) to their portfolio in Q1 2026, for an estimated $1,256,569
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.
You can track data on $OPK 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.
