$OPTT stock has now fallen 13% today, according to our price data from Polygon. There has been approximately $4,271,735 of trading volume.
Here is what we see in our data on $OPTT (you can track the company live on Quiver's $OPTT stock page):$OPTT Insider Trading Activity
$OPTT insiders have traded $OPTT stock on the open market 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $OPTT stock by insiders over the last 6 months:
- PHILIPP STRATMANN (President and CEO) purchased 3,989 shares for an estimated $1,974
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$OPTT Hedge Fund Activity
We have seen 24 institutional investors add shares of $OPTT stock to their portfolio, and 12 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- JANE STREET GROUP, LLC added 550,892 shares (+597.0%) to their portfolio in Q2 2025, for an estimated $261,618
- SUSQUEHANNA INTERNATIONAL GROUP, LLP removed 517,464 shares (-80.9%) from their portfolio in Q2 2025, for an estimated $245,743
- MILLENNIUM MANAGEMENT LLC added 268,883 shares (+inf%) to their portfolio in Q2 2025, for an estimated $127,692
- UBS GROUP AG added 243,582 shares (+26.2%) to their portfolio in Q2 2025, for an estimated $115,677
- GEODE CAPITAL MANAGEMENT, LLC added 236,542 shares (+15.2%) to their portfolio in Q2 2025, for an estimated $112,333
- CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC. added 198,150 shares (+inf%) to their portfolio in Q2 2025, for an estimated $94,101
- RENAISSANCE TECHNOLOGIES LLC added 137,069 shares (+inf%) to their portfolio in Q2 2025, for an estimated $65,094
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$OPTT Analyst Ratings
Wall Street analysts have issued reports on $OPTT 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:
- Ladenburg Thalmann issued a "Buy" rating on 09/24/2025
To track analyst ratings and price targets for $OPTT, check out Quiver Quantitative's $OPTT forecast page.
You can track data on $OPTT 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.