$CBIO stock has now fallen 8% today, according to our price data from Polygon. There has been approximately $1,378,976 of trading volume.
Here is what we see in our data on $CBIO (you can track the company live on Quiver's $CBIO stock page):
$CBIO Insider Trading Activity
$CBIO insiders have traded $CBIO stock on the open market 8 times in the past 6 months. Of those trades, 1 have been purchases and 7 have been sales.
Here’s a breakdown of recent trading of $CBIO stock by insiders over the last 6 months:
- FUNDS MANAGEMENT LLC FAIRMOUNT purchased 853,450 shares for an estimated $12,375,025
- JOSHUA T BRUMM (Chief Executive Officer) sold 42,305 shares for an estimated $761,066
- JONATHAN MCNEILL (President and COO) sold 20,549 shares for an estimated $369,676
- JAN PINKAS (Chief Scientific Officer) sold 1,288 shares for an estimated $23,171
- ELLIE EUNKYUNG IM (Chief Medical Officer) sold 1,219 shares for an estimated $21,929
- BARBARA HARLIN BISPHAM (See Remarks) sold 1,218 shares for an estimated $21,911
- RICHARD WILLIAM SCALZO (Chief Financial Officer) sold 1,112 shares for an estimated $20,004
- RYAN LYNCH (See Remarks) sold 465 shares for an estimated $8,365
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.
$CBIO Hedge Fund Activity
We have seen 48 institutional investors add shares of $CBIO stock to their portfolio, and 33 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- LOGOS GLOBAL MANAGEMENT LP added 1,417,500 shares (+293.8%) to their portfolio in Q2 2026, for an estimated $25,515,000
- BLACKROCK, INC. added 1,156,037 shares (+999.0%) to their portfolio in Q2 2026, for an estimated $20,808,666
- BOXER CAPITAL MANAGEMENT, LLC removed 453,686 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $8,334,211
- DEEP TRACK CAPITAL, LP removed 453,686 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $8,166,348
- REMEDIUM CAPITAL PARTNERS, LLC added 361,250 shares (+inf%) to their portfolio in Q2 2026, for an estimated $6,502,500
- AMERIPRISE FINANCIAL INC added 302,568 shares (+inf%) to their portfolio in Q2 2026, for an estimated $5,446,224
- DRIEHAUS CAPITAL MANAGEMENT LLC removed 302,457 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $5,556,135
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 $CBIO 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.
