Form D · Other Investment Fund

Sienna Co-investor Partners LP

London, X0 · CIK 0002042920

Offering snapshot reported Oct 29, 2024 · SEC filing

Reported sold
Yet to sell
Indefinite offering
Investors reported
0
Form D · investor count
Minimum accepted
$0
Reported outside-investor minimum
First sale
Yet to occur
As reported in this filing

What changed?

Latest filing versus its linked predecessor, where available.

No comparable changes in the displayed metrics.

Filing history

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FiledFiling typeReported soldChange vs linked filingInvestorsSource
Oct 29, 2024InitialYet to sellNo comparison0SEC filing

Offering details

Securities
Equity, Pooled investment fund
Exemptions
06b, 3C, 3C.1, 3C.7
Duration over one year
No
Business combination
No
Sales commissions
$0
Finders' fees
$0
Form D file number
021-528032

Source: Form D, filed Oct 29, 2024. Minimum accepted may differ from a standard advertised minimum.

Fund connections

The linked fund shows its most recently reported ADV details.

Matched by reported Form D file number

SIENNA CO-INVESTOR PARTNERS LP

Investment adviser: MAYFAIR EQUITY PARTNERS LLP

Gross asset value
$29.4M
Beneficial owners
7
ADV minimum commitment
$13.2M

Reported in Form ADV on Jun 29, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator IQEQ ADMINISTRATION SERVICES (UK) LTD LONDON, United Kingdom Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor PRICEWATERHOUSECOOPERS LLP LONDON, United Kingdom
Custodian IQ EQ DEPOSITARY COMPANY (UK) LIMITED LONDON, United Kingdom Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

PRICEWATERHOUSECOOPERS LLP
PCAOB 876

Filing source

Form ADV 2114711 · Jun 29, 2026 · Schedule D 7.B.(1), fund 805-7920800080

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
NameReported role
Waqqas Ahmad Director
Bertie Thomas Aykroyd Director
Kunal Dasgupta Director, Executive
Mayfair Equity Partners Iii Co Investor A Gp Llp Promoter
Mayfair Equity Partners Llp Executive
Daniel William Sasaki Director, Executive

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:
Mayfair Equity Partners Llp 8 Hanover Street
London, X0, W1S 1YQ