A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.

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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.

Filer Snapshot

MENLO ADVISORS LLC SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001279708.

Entity Type

Company

Total Filings

Latest Filing

06 Aug 2025

Industry

n/a

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Source: SEC Form 13F

13F-HR filed on 06 Aug 2025 for CIK 0001279708.

View Source Filing

Business address: 659 Oak Grove Avenue, Ste 207, Menlo Park, CA, 94025
Top securities (13F): BRKB, GLD, GOOG, MSFT, GDX, GOOGL, QVAL, AAPL, ABT, KKR, ABBV, CSCO, MLPX, TSLA, LMT, RPRX, URNM, MEMX, PSLV, and RVT

Quick Takeaways

MENLO ADVISORS LLC is an SEC filer tracked under CIK 0001279708.
97 filings are listed on this profile.
Common form coverage includes 13F-HR, 13F-HR/A.

What Changed

Latest filing: 13F-HR filed on 06 Aug 2025.
Report period: 30 Jun 2025.

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 06 Aug 2025 for CIK 0001279708.

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 MENLO ADVISORS LLC.

Latest source-backed update: 13F-HR filed 06 Aug 2025
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 06 Aug 2025.
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 MENLO ADVISORS LLC

New filing available

Latest 13F period: Q2 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

06 Aug 2025

Page type

Filer profile

Latest period

Q2 2025

Institutional portfolio context was refreshed from a 13F filing filed on 06 Aug 2025.

Open filer profile Browse recent public updates

Benchmark Context

Benchmark context for this company

MENLO 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: Q2 2025. 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.
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Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

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Company intelligence

Research MENLO 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.

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Active modules

2/5

Available company intelligence paths on this page.

Filings

SEC submissions provide the evidence trail.

Ownership context

1/3

Insider, large-stake, and institutional ownership lanes.

Return loop

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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?

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SEC filings

Available

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Company facts

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Financial context

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Forms 3/4/5

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Insider activity

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Schedule 13D/G

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Large-stake holders

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Form 13F

Available

Institutional holders

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SEC-verifiable company hub

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Watchlist return triggers

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

Filer Overview

MENLO ADVISORS LLC has filed 97 SEC EDGAR filings since 13 Feb 2004. Common forms include 13F-HR, 13F-HR/A.

Latest 13F filings

Latest Filings

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

13F-HR File 028-10719

13F-HR filing

Filing date: 06 Aug 2025
Reporting date: 30 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 14 Apr 2025
Reporting date: 31 Mar 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 06 Feb 2025
Reporting date: 31 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 18 Nov 2024
Reporting date: 30 Sep 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 09 Aug 2024
Reporting date: 30 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 19 Apr 2024
Reporting date: 31 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 13 Feb 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 12 Oct 2023
Reporting date: 30 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 15 Aug 2023
Reporting date: 30 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 13 Apr 2023
Reporting date: 31 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 14 Feb 2023
Reporting date: 31 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 15 Nov 2022
Reporting date: 30 Sep 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 20 Jul 2022
Reporting date: 30 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 28 Apr 2022
Reporting date: 31 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 16 Feb 2022
Reporting date: 31 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 15 Nov 2021
Reporting date: 30 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 30 Aug 2021
Reporting date: 30 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 13 Apr 2021
Reporting date: 31 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 16 Feb 2021
Reporting date: 31 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 10 Nov 2020
Reporting date: 30 Sep 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 17 Jul 2020
Reporting date: 30 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 13 Apr 2020
Reporting date: 31 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 07 Jan 2020
Reporting date: 31 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 08 Oct 2019
Reporting date: 30 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 17 Jul 2019
Reporting date: 30 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 10 Apr 2019
Reporting date: 31 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 09 Jan 2019
Reporting date: 31 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 10 Oct 2018
Reporting date: 30 Sep 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 11 Jul 2018
Reporting date: 30 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 11 Apr 2018
Reporting date: 31 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 09 Jan 2018
Reporting date: 31 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 13 Oct 2017
Reporting date: 30 Sep 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 12 Jul 2017
Reporting date: 30 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 13 Apr 2017
Reporting date: 31 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 23 Jan 2017
Reporting date: 31 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 20 Oct 2016
Reporting date: 30 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 12 Jul 2016
Reporting date: 30 Jun 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 13 Apr 2016
Reporting date: 31 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 21 Jan 2016
Reporting date: 31 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR/A File 028-10719

13F-HR/A filing

Filing date: 07 Dec 2015
Reporting date: 30 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR/A File 028-10719

13F-HR/A filing

Filing date: 07 Dec 2015
Reporting date: 31 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR/A File 028-10719

13F-HR/A filing

Filing date: 07 Dec 2015
Reporting date: 31 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR/A File 028-10719

13F-HR/A filing

Filing date: 07 Dec 2015
Reporting date: 30 Sep 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR/A File 028-10719

13F-HR/A filing

Filing date: 07 Dec 2015
Reporting date: 30 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR/A File 028-10719

13F-HR/A filing

Filing date: 07 Dec 2015
Reporting date: 31 Mar 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR/A File 028-10719

13F-HR/A filing

Filing date: 07 Dec 2015
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR/A File 028-10719

13F-HR/A filing

Filing date: 07 Dec 2015
Reporting date: 30 Sep 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 15 Oct 2015
Reporting date: 30 Sep 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 15 Jul 2015
Reporting date: 30 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 17 Apr 2015
Reporting date: 31 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 16 Jan 2015
Reporting date: 31 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 30 Oct 2014
Reporting date: 30 Sep 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 16 Jul 2014
Reporting date: 30 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 22 Apr 2014
Reporting date: 31 Mar 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 10 Jan 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 17 Oct 2013
Reporting date: 30 Sep 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 18 Jul 2013
Reporting date: 30 Jun 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 26 Apr 2013
Reporting date: 31 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 14 Feb 2013
Reporting date: 31 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 10 Oct 2012
Reporting date: 30 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 19 Jul 2012
Reporting date: 30 Jun 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 10 Apr 2012
Reporting date: 31 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 13 Jan 2012
Reporting date: 31 Dec 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 13 Oct 2011
Reporting date: 30 Sep 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR/A File 028-10719

13F-HR/A filing

Filing date: 02 Aug 2011
Reporting date: 30 Jun 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 14 Jul 2011
Reporting date: 30 Jun 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 19 Apr 2011
Reporting date: 31 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 24 Jan 2011
Reporting date: 31 Dec 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 25 Oct 2010
Reporting date: 30 Sep 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 20 Jul 2010
Reporting date: 30 Jun 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 16 Apr 2010
Reporting date: 31 Mar 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

13F-HR File 028-10719

13F-HR filing

Filing date: 28 Jan 2010
Reporting date: 31 Dec 2009
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

MENLO ADVISORS LLC files with the SEC under CIK 0001279708. 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.