AlphaOne Investment Services, LLC SEC EDGAR Filings (CIK 0001482390)

SEC EDGAR filings, ownership reports, and insider transactions for AlphaOne Investment Services, LLC.

Business address
158 W. Gay Street, Suite 300, West Chester, PA, 19380
Top securities (13F)
NVDA, META, DKNGXXXX, FCX, PARA, GDOT, ATVI, ZNGA, PYPL, CLDR, QCOM, NOK, ON, ERIC, TTWO, EA, SCPL, LTHM, AVYAQ, and TSM
State of incorporation
DE
Fiscal year end
09 December
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AlphaOne Investment Services, LLC has filed 45 SEC EDGAR filings since 12 Feb 2010

Latest Filings

Recent SEC filings for AlphaOne Investment Services, LLC including 13F-HR, 13F-HR/A.

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2020 30 Jun 2020 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2020 31 Mar 2020 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2020 31 Dec 2019 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2019 30 Sep 2019 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2019 30 Jun 2019 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 May 2019 31 Mar 2019 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2019 31 Dec 2018 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2018 30 Sep 2018 028-13713
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 14 Aug 2018 30 Jun 2018 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2018 30 Jun 2018 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2018 31 Mar 2018 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2018 31 Dec 2017 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2017 30 Sep 2017 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Aug 2017 30 Jun 2017 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 May 2017 31 Mar 2017 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Feb 2017 31 Dec 2016 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2016 30 Sep 2016 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Aug 2016 30 Jun 2016 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 May 2016 31 Mar 2016 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2016 31 Dec 2015 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Nov 2015 30 Sep 2015 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2015 30 Jun 2015 028-13713
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 23 Jun 2015 31 Mar 2015 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2015 31 Mar 2015 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2015 31 Dec 2014 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2014 30 Sep 2014 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2014 30 Jun 2014 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2014 31 Mar 2014 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2014 31 Dec 2013 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2013 30 Sep 2013 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Aug 2013 30 Jun 2013 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2013 31 Mar 2013 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2013 31 Dec 2012 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Nov 2012 30 Sep 2012 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2012 30 Jun 2012 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 May 2012 31 Mar 2012 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Feb 2012 31 Dec 2011 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 28 Oct 2011 30 Sep 2011 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 29 Jul 2011 30 Jun 2011 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2011 31 Mar 2011 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2011 31 Dec 2010 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Nov 2010 30 Sep 2010 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Aug 2010 30 Jun 2010 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 07 May 2010 31 Mar 2010 028-13713
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2010 31 Dec 2009 028-13713

About this filer

AlphaOne Investment Services, LLC files with the SEC under CIK 0001482390. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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