Form D · Private Equity Fund

Winterbird SPV (ES) LP

Boston, MA · CIK 0002136260

Offering snapshot reported Jul 9, 2026 · 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
Jul 9, 2026InitialYet 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 (estimated)
Finders' fees
$0 (estimated)
Form D file number
021-590250

Source: Form D, filed Jul 9, 2026. 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

WINTERBIRD SPV (ES) LP

Investment adviser: WINTERBIRD PARTNERS LLC

Gross asset value
$35M
Beneficial owners
14
ADV minimum commitment
$1M

Reported in Form ADV on Sep 4, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator 4PINES FUND SERVICES LLC STAMFORD, Connecticut, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor CBIZ CPAS P.C. BOSTON, Massachusetts, United States
Custodian CITIZENS BANK, N.A. BOSTON, Massachusetts, United States Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

CBIZ CPAS P.C.
PCAOB 199

CITIZENS BANK, N.A.
LEI DRMSV1Q0EKMEXLAU1P80

Filing source

Form ADV 2110500 · Sep 4, 2026 · Schedule D 7.B.(1), fund 805-7181862868

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
Eric Ahlgren Director
N/A Winterbird Investments Gp Lp Executive

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:
420 Boylston Street Suite 405
Boston, MA, 02116