Our Terms of Service and Privacy Policy have changed.

By continuing to use this site, you are agreeing to the new Privacy Policy and Terms of Service.

ARCA Biopharma Inc (NASDAQ:ABIO)

Delayed Data
As of 3:59pm ET
 +0.05 / +4.00%
Today’s Change
Today|||52-Week Range
Institutional investors purchased a net $408.7 thousand shares of ABIO during the quarter ended September 2017 and now own 31.84% of the total shares outstanding. This is a greater percentage than is typical for companies in the Biotechnology industry and highlights that the smart money sees this stock as an important holding.
Mutual fund holders19.24%
Individual stakeholders13.16%
Other institutional12.60%

Largest Quarterly Institutional

Latest Institutional Activity

9/30/2017RENAISSANCE TECHNOLOGIES LLC  Bought 182.4 Thousand shares of ARCA Biopharma Inc
9/30/2017SABBY CAPITAL LLC  Bought 100.0 Thousand shares of ARCA Biopharma Inc
9/30/2017ROYCE & ASSOCIATES LP  Bought 55.0 Thousand shares of ARCA Biopharma Inc

Top 10 Owners of ARCA Biopharma Inc

Total value ($)Shares
bought / sold
Franklin Advisers, Inc.9.38%1,216,8401,474,81000.00%
VHCP Management LLC8.32%1,078,9321,307,66600.00%
Tekla Capital Management LLC6.25%811,227983,20700.00%
Renaissance Technologies LLC1.83%236,726286,912+182,400+335.75%
Royce & Associates LP1.81%234,847284,635+55,000+30.58%
The Vanguard Group, Inc.0.84%108,703131,748+38,495+54.83%
Sabby Capital LLC0.77%100,000121,200+100,000--
Aveo Capital Partners LLC0.72%93,268113,041-399-0.43%
Apo Asset Management GmbH0.56%72,65188,05300.00%
Oppenheim Asset Management Servic...0.36%46,10055,87300.00%

Top 10 Mutual Funds Holding ARCA Biopharma Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Tekla Life Sciences Investors6.25%811,227983,20700.00%
FTIF SICAV - Biotechnology Discov...5.70%738,763895,38100.00%
Franklin Biotechnology Discovery ...3.69%478,077579,42900.00%
Royce Micro Cap Trust1.81%234,847284,635+55,000+30.58%
APO Medical Opportunities0.39%50,15160,78300.00%
Vanguard Total Stock Market Index...0.30%38,49546,65600.00%
FCP OP Medical BioHealth-Trends0.29%38,00046,05600.00%
Vanguard Institutional Total Stoc...0.25%32,14138,95500.00%
APO Medical Opportunities Institu...0.17%22,50027,27000.00%
Vanguard Balanced Index Fund0.17%22,00026,66400.00%