Filer Snapshot

RAMIUS ADVISORS LLC SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001275893.

Entity Type

Company

Total Filings

310

Latest Filing

13 Nov 2023

Industry

n/a

Save this filer page for the next filing cycle

Keep this page in your research queue, then return to compare new filings with prior context.

Save and revisit

Save this filer page

Create a free account to keep this page in your watchlists. After verification, we will save it automatically and open your saved research list.

Create free account and save this filer Already have an account? Sign in and save it

Best next steps

Start with the latest filings table, then open the strongest context page for this filer.

  • Use the filings table to verify the newest submission, form type, and report period.
  • Open the deeper context page only when this filer actually has insider or ownership signal.
Go to latest filings table Browse SEC filer directory
Source: SEC Form 13F

13F-HR filed on 13 Nov 2023 for CIK 0001275893.

View Source Filing
Business address
599 Lexington Avenue, 20 Th Floor, New York, NY, 10022
State of incorporation
DE
Fiscal year end
31 December

Quick Takeaways

  • RAMIUS ADVISORS LLC is an SEC filer tracked under CIK 0001275893.
  • 310 filings are listed on this profile.
  • Common form coverage includes 13F-HR, 13F-NT, 40-APP/A and more.

What Changed

  • Latest filing: 13F-HR filed on 13 Nov 2023.
  • Report period: 30 Sep 2023.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC Form 13F

13F-HR filed on 13 Nov 2023 for CIK 0001275893.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 13F-HR can change the filing history, ownership context, or next research path for RAMIUS ADVISORS LLC.

Latest source-backed update
13F-HR filed 13 Nov 2023
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 13F-HR filed 13 Nov 2023.
  • Save this filer if you want a stable place to return after the next filing cycle.
  • Open the latest filing table or ownership context to verify what changed.

Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

Jump to save and follow actions Open latest filings table

Latest update

What changed recently for RAMIUS ADVISORS LLC

New filing available

Latest 13F period: Q3 2023. Open the source-backed page to inspect the fresh filing or facts context.

Update date

13 Nov 2023

Page type

Filer profile

Latest period

Q3 2023

Institutional portfolio context was refreshed from a 13F filing filed on 13 Nov 2023.

Open filer profile Browse recent public updates

Benchmark Context

Benchmark context for this company

RAMIUS ADVISORS LLC has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.

Why this is notable

Latest 13F period: Q3 2023. That gives you a fresh baseline before you compare this company with peers.

  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
  • Open the facts page first if you want the cleanest path to verification.

Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

Open company facts Browse metric rankings

Company intelligence

Research RAMIUS ADVISORS LLC from filings to ownership signals

Use this company page as the hub for SEC filings, fundamentals, insider activity, large-stake holders, and institutional ownership context.

Create free account to watch this company Open ownership signals

Active modules

2/5

Available company intelligence paths on this page.

Filings

310

SEC submissions provide the evidence trail.

Ownership context

1/3

Insider, large-stake, and institutional ownership lanes.

Return loop

Watch

Save the company so the next source-backed change has a clear place to bring you back.

Best-of company intelligence workflow

What changed?

Start with the latest filing and active ownership modules before opening older table rows.

Why might it matter?

Use insider, 13D/G, and 13F context to separate routine filings from ownership signals.

Where is evidence?

Keep SEC source documents one click away through filings, facts, insider reports, and Schedule 13D/G records.

What to watch next?

Save the company so watchlists can bring you back when the next filing-backed update lands.

SEC-verifiable company research path

Every company hub should answer what changed, why ownership activity might matter, where SEC evidence lives, and which filer, insider, holder, or filing page deserves the next click.

Open latest insider signals Open large-stake radar

SEC filings

Available

Latest company filings

Start with the filing timeline to verify the newest source document and report period.

Open filings table

Company facts

Explore

Financial context

Use XBRL facts when ownership activity needs revenue, earnings, debt, or cash-flow context.

Browse latest financial reports

Forms 3/4/5

Explore

Insider activity

Check whether directors, officers, or 10% owners are buying, selling, or filing fresh ownership changes.

Browse latest insider filings

Schedule 13D/G

Explore

Large-stake holders

Review beneficial ownership filings for activist-style or passive large holder changes around this issuer.

Browse large-stake radar

Form 13F

Available

Institutional holders

Compare manager filings and smart-money context when company-level ownership needs broader holders.

Open 13F holder context

SEC-verifiable company hub

The strongest research path is the one that keeps source documents close: filings first, then ownership signals, insider context, and fundamentals.

Create free account to watch this company

Watchlist return triggers

Watch RAMIUS ADVISORS LLC when any filing-backed ownership signal appears, then jump back into the exact SEC evidence path.

new company filing insider Form 4 13D/G holder change 13F holder update

Filer Overview

RAMIUS ADVISORS LLC has filed 310 SEC EDGAR filings since 09 Jan 2004. Common forms include 13F-HR, 13F-NT, 40-APP/A, 40-APP and more.

Latest 13F filings

Latest Filings

Recent SEC filings for RAMIUS ADVISORS LLC with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2023 30 Sep 2023 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2023 30 Jun 2023 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 May 2023 31 Mar 2023 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Feb 2023 31 Dec 2022 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Nov 2022 30 Sep 2022 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Aug 2022 30 Jun 2022 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 May 2022 31 Mar 2022 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Feb 2022 31 Dec 2021 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2021 30 Sep 2021 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Aug 2021 30 Jun 2021 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2021 31 Mar 2021 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2021 31 Dec 2020 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2020 30 Sep 2020 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Aug 2020 30 Jun 2020 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2020 31 Mar 2020 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2020 31 Dec 2019 028-10674
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2019 30 Sep 2019 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2019 30 Jun 2019 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 May 2019 31 Mar 2019 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Feb 2019 31 Dec 2018 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Nov 2018 30 Sep 2018 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2018 30 Jun 2018 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2018 31 Mar 2018 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 Feb 2018 31 Dec 2017 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2017 30 Sep 2017 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 10 Aug 2017 30 Jun 2017 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 12 May 2017 31 Mar 2017 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Feb 2017 31 Dec 2016 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2016 30 Sep 2016 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 10 Aug 2016 30 Jun 2016 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 May 2016 31 Mar 2016 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 09 Feb 2016 31 Dec 2015 028-10674
40-APP/A Open 40-APP/A document View SEC filing for 40-APP/A 04 Feb 2016 812-14501-01
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Nov 2015 30 Sep 2015 028-10674
40-APP/A Open 40-APP/A document View SEC filing for 40-APP/A 03 Sep 2015 812-14501-01
13F-NT Open 13F-NT document View SEC filing for 13F-NT 17 Aug 2015 30 Jun 2015 028-10674
40-APP Open 40-APP document View SEC filing for 40-APP 30 Jun 2015 812-14501-01
13F-NT Open 13F-NT document View SEC filing for 13F-NT 18 May 2015 31 Mar 2015 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 17 Feb 2015 31 Dec 2014 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 17 Nov 2014 30 Sep 2014 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2014 30 Jun 2014 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 May 2014 31 Mar 2014 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Feb 2014 31 Dec 2013 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 Nov 2013 30 Sep 2013 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 Aug 2013 30 Jun 2013 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 15 May 2013 31 Mar 2013 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 12 Feb 2013 31 Dec 2012 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 13 Nov 2012 30 Sep 2012 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 14 Aug 2012 30 Jun 2012 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 15 May 2012 31 Mar 2012 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 14 Feb 2012 31 Dec 2011 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 14 Nov 2011 30 Sep 2011 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 16 Aug 2011 30 Jun 2011 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 16 May 2011 31 Mar 2011 028-10674
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 14 Feb 2011 31 Dec 2010 028-10674
4 Open 4 document View SEC filing for 4 24 Jan 2011 20 Jan 2011 001-33345
4 Open 4 document View SEC filing for 4 07 Jan 2011 05 Jan 2011 001-34601
4 Open 4 document View SEC filing for 4 22 Dec 2010 20 Dec 2010 000-27969
4 Open 4 document View SEC filing for 4 17 Dec 2010 15 Dec 2010 000-27969
4 Open 4 document View SEC filing for 4 15 Dec 2010 13 Dec 2010 000-27969
4 Open 4 document View SEC filing for 4 14 Dec 2010 09 Dec 2010 001-34601
4 Open 4 document View SEC filing for 4 13 Dec 2010 08 Dec 2010 000-27969
4 Open 4 document View SEC filing for 4 03 Dec 2010 02 Dec 2010 001-34601
4 Open 4 document View SEC filing for 4 24 Nov 2010 23 Nov 2010 000-17111
3 Open 3 document View SEC filing for 3 24 Nov 2010 16 Nov 2010 000-23837
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 15 Nov 2010 30 Sep 2010 028-10674
4 Open 4 document View SEC filing for 4 08 Nov 2010 04 Nov 2010 000-27969
4 Open 4 document View SEC filing for 4 01 Nov 2010 28 Oct 2010 000-27969
4 Open 4 document View SEC filing for 4 22 Oct 2010 22 Oct 2010 000-27969
4 Open 4 document View SEC filing for 4 21 Oct 2010 19 Oct 2010 000-27969
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 13 Aug 2010 30 Jun 2010 028-10674
4 Open 4 document View SEC filing for 4 09 Aug 2010 05 Aug 2010 000-27969
4 Open 4 document View SEC filing for 4 05 Aug 2010 03 Aug 2010 000-27969
4 Open 4 document View SEC filing for 4 29 Jul 2010 27 Jul 2010 000-27969
4 Open 4 document View SEC filing for 4 07 Jul 2010 02 Jul 2010 001-34601
4/A Open 4/A document View SEC filing for 4/A 07 Jul 2010 01 Dec 2009 001-34601
4 Open 4 document View SEC filing for 4 01 Jul 2010 30 Jun 2010 001-33345
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 13 May 2010 31 Mar 2010 028-10674
4 Open 4 document View SEC filing for 4 04 May 2010 01 May 2010 000-27969
4 Open 4 document View SEC filing for 4 04 May 2010 01 May 2010 000-27312
4 Open 4 document View SEC filing for 4 04 May 2010 01 May 2010 000-17111
4 Open 4 document View SEC filing for 4 03 May 2010 29 Apr 2010 000-27969
4 Open 4 document View SEC filing for 4 29 Apr 2010 27 Apr 2010 000-27969
4 Open 4 document View SEC filing for 4 27 Apr 2010 23 Apr 2010 000-27969
4 Open 4 document View SEC filing for 4 19 Apr 2010 15 Apr 2010 001-34601
4 Open 4 document View SEC filing for 4 08 Apr 2010 06 Apr 2010 000-53534
4 Open 4 document View SEC filing for 4 06 Apr 2010 01 Apr 2010 001-33345
4 Open 4 document View SEC filing for 4 29 Mar 2010 25 Mar 2010 001-33345
4 Open 4 document View SEC filing for 4 16 Mar 2010 12 Mar 2010 000-53534
4 Open 4 document View SEC filing for 4 11 Mar 2010 09 Mar 2010 001-34601
4 Open 4 document View SEC filing for 4 08 Mar 2010 04 Mar 2010 001-34601
4 Open 4 document View SEC filing for 4 01 Mar 2010 25 Feb 2010 000-53534
13F-NT Open 13F-NT document View SEC filing for 13F-NT RAMIUS ADVISORS, LLC 16 Feb 2010 31 Dec 2009 028-10674
4 Open 4 document View SEC filing for 4 05 Feb 2010 01 Feb 2010 000-27969
4 Open 4 document View SEC filing for 4 05 Feb 2010 01 Feb 2010 000-17111
3 Open 3 document View SEC filing for 3 25 Jan 2010 23 Jan 2010 000-53534
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Jan 2010 15 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Jan 2010 13 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Jan 2010 11 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Jan 2010 07 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Jan 2010 05 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 06 Jan 2010 01 Jan 2010 000-27969
4 Open 4 document View SEC filing for 4 06 Jan 2010 01 Jan 2010 000-27312
4 Open 4 document View SEC filing for 4 06 Jan 2010 01 Jan 2010 001-10204
4 Open 4 document View SEC filing for 4 06 Jan 2010 01 Jan 2010 000-17111
3/A Open 3/A document View SEC filing for 3/A 06 Jan 2010 30 Oct 2009 000-27969
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2010 30 Dec 2009 001-10204

About this filer

RAMIUS ADVISORS LLC files with the SEC under CIK 0001275893. 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.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .