$SBLK stock has now fallen 3% today, according to our price data from Polygon. There has been approximately $28,991,581 of trading volume.
Here is what we see in our data on $SBLK (you can track the company live on Quiver's $SBLK stock page):
$SBLK Insider Trading Activity
$SBLK insiders have traded $SBLK stock on the open market 25 times in the past 6 months. Of those trades, 9 have been purchases and 16 have been sales.
Here’s a breakdown of recent trading of $SBLK stock by insiders over the last 6 months:
- RAFFAELE ZAGARI has made 2 purchases buying 60,000 shares for an estimated $1,696,200 and 3 sales selling 111,500 shares for an estimated $2,619,782,000.
- NIKOLAOS RESKOS (Chief Operating Officer) has made 1 purchase buying 10,000 shares for an estimated $282,700 and 9 sales selling 98,103 shares for an estimated $2,639,395.
- ALEXANDROS PAPPAS purchased 74,400 shares for an estimated $2,103,288
- MILENA MARIA PAPPA purchased 74,400 shares for an estimated $2,103,288
- CHARIS PLAKANTONAKI (Chief Strategy Officer) has made 1 purchase buying 3,000 shares for an estimated $84,810 and 3 sales selling 38,150 shares for an estimated $1,041,408.
- NIKOLAOS KARELLIS has made 1 purchase buying 2,000 shares for an estimated $56,540 and 1 sale selling 20,000 shares for an estimated $539,200.
- SYMEON SPYROU (co CFO) purchased 15,000 shares for an estimated $424,050
- KOERT ERHARDT purchased 6,000 shares for an estimated $169,620
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.
$SBLK Hedge Fund Activity
We have seen 91 institutional investors add shares of $SBLK stock to their portfolio, and 115 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ALLIANCEBERNSTEIN L.P. removed 5,832,805 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $133,979,530
- BLACKROCK, INC. added 2,216,799 shares (+369.2%) to their portfolio in Q2 2026, for an estimated $55,353,471
- VICTORY CAPITAL MANAGEMENT INC added 2,027,422 shares (+inf%) to their portfolio in Q2 2026, for an estimated $50,624,727
- OAKTREE CAPITAL MANAGEMENT LP removed 1,962,892 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $49,013,413
- ENCOMPASS CAPITAL ADVISORS LLC added 962,500 shares (+inf%) to their portfolio in Q2 2026, for an estimated $24,033,625
- COOPER CREEK PARTNERS MANAGEMENT LLC removed 866,033 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $21,624,844
- BOSTON PARTNERS removed 838,244 shares (-51.5%) from their portfolio in Q2 2026, for an estimated $20,930,952
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 $SBLK 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.