Entity type
Company
Filer Snapshot
ValueAct Capital Master Fund, L.P.
CIK 0001464912. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total filings
520
Latest filing
08 Dec 2025
Industry
n/a
Filing-backed research brief
Start with the SEC data that changes for this CIK
Latest signal: 13D/G stake for LLYVA. Each card links back to the PortfolioSavvy page where the filing evidence is closest.
Latest 13F portfolio
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No parsed 13F portfolio row yet.
Browse latest 13FLargest parsed holding
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Populates from the latest parsed 13F information table.
Open holding13D/G large stake
LLYVA
02 May 2025 · 6.9% ownership
Open 13D/GInsider / owner context
—
No parsed Forms 3/4/5 owner position for this CIK.
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Source: SEC Forms 3/4/5
View Source Filing
4 filed on 08 Dec 2025 for CIK 0001464912.
- Business address
- One Letterman Drive, Building D, 4 Th Floor, San Francisco, CA, 94129
- Schedule 13D stakes
- LLYVA
- State of incorporation
- Virgin Islands, British
- Fiscal year end
- 31 December
Identity
SEC ownership signals
SEC record
Filer intelligence
What SEC filings say about ValueAct Capital Master Fund, L.P.
A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.
Quick read
- 1 recent 13D/G stake row found; top row is LLYVA at 6.9% ownership.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
13D/G large-stake context
LLYVA
02 May 2025 · Series A Liberty Live Common Stock
Latest update
What changed recently for ValueAct Capital Master Fund, L.P.
Latest Schedule 13D/G period: 02 May 2025. Open the source-backed page to inspect the fresh filing or facts context.
Update date
06 May 2025
Page type
Filer profile
Latest period
02 May 2025
Schedule 13D/G context is visible from filings filed on 06 May 2025.
Benchmark Context
Benchmark context for this company
ValueAct Capital Master Fund, L.P. 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 Schedule 13D/G period: 02 May 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.
- 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.
SEC filing record
CIK 0001464912 filing coverage
Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.
SEC filings
520
First seen
04 Jun 2009
Latest filing
08 Dec 2025
Entity
Company
Observed form types
4
144
SCHEDULE 13D/A
SCHEDULE 13D
3
4/A
13F-NT
3/A
SC 13D/A
Latest Filings
Showing the latest 12 of 501 SEC filings for ValueAct Capital Master Fund, L.P..
4
File 001-32224
PRIMARY DOCUMENT
- Filing date
- 08 Dec 2025
- Reporting date
- 05 Dec 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 000-25092
PRIMARY DOCUMENT
- Filing date
- 27 May 2025
- Reporting date
- 26 May 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 000-25092
PRIMARY DOCUMENT
- Filing date
- 12 May 2025
- Reporting date
- 08 May 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
144
144 filing
- Filing date
- 08 May 2025
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
SCHEDULE 13D/A
SCHEDULE 13D/A filing
- Filing date
- 06 May 2025
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
SCHEDULE 13D
SCHEDULE 13D filing
- Filing date
- 11 Feb 2025
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing Open XBRL
- Next action
- Verify source filing
4
File 001-32224
PRIMARY DOCUMENT
- Filing date
- 20 Dec 2024
- Reporting date
- 18 Dec 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
144
144 filing
- Filing date
- 20 Dec 2024
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
144
144 filing
- Filing date
- 19 Dec 2024
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
144
144 filing
- Filing date
- 18 Dec 2024
- Reporting date
- Not listed
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 001-32224
PRIMARY DOCUMENT
- Filing date
- 05 Jun 2024
- Reporting date
- 03 Jun 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
File 000-25092
PRIMARY DOCUMENT
- Filing date
- 31 May 2024
- Reporting date
- 29 May 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing