Form D · Venture Capital Fund

Pioneer Opportunity Fund, LP - B3

Seattle, WA · CIK 0001982512

Offering snapshot reported Jul 28, 2023 · SEC filing

Reported sold: $1.93M
Investors reported: 58
Minimum accepted: $1.36K
First sale: Jul 21, 2023

What changed?

Latest filing versus its linked predecessor, where available.

No comparable changes in the displayed metrics.

Filing history

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Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Jul 28, 2023	Initial	$1,931,328	No comparison	58	SEC filing

Offering details

Securities: Pooled investment fund
Exemptions: 06c, 3C, 3C.1
Duration over one year: No
Business combination: No

Sales commissions: $0
Finders' fees: $0
Form D file number: 021-488186

Source: Form D, filed Jul 28, 2023. Minimum accepted may differ from a standard advertised minimum.

Fund connections

Each card uses that adviser's latest imported filing. Filing dates can differ; these disclosures do not confirm a current relationship.

Matched by reported Form D file number

PIONEER OPPORTUNITY FUND, LP - B3

Investment adviser: PIONEER FUND II MANAGEMENT CORP

Gross asset value: $2.1M
Beneficial owners: 37
ADV minimum commitment: $25K

Reported in Form ADV on Mar 26, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator ANGELLIST ADVISORS, LLC SAN FRANCISCO, California, United States Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →

Provider details

Annual audit: No
Prime brokers: No
Custodians: No
Administrator other than the adviser: Yes
External marketing: No

Fund asset history · 3 annual observations

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Fiscal year	Gross assets	Beneficial owners	ADV filed
2023	$1,655,464	39	Mar 28, 2024
2024	$1,499,999	37	Mar 31, 2025
2025	$2,100,351	37	Mar 26, 2026

Filing source

Form ADV 2079553 · Mar 26, 2026 · Schedule D 7.B.(1), fund 805-3808457984

Reported by PIONEER FUND II MANAGEMENT CORP (CRD 312046).

Annual Updating Amendment ERA Report · fiscal year 2025.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

Matched by reported Form D file number

PIONEER OPPORTUNITY FUND, LP - B3

Investment adviser: PLATFORM ADVISOR, LLC

Gross asset value: $2.11M
Beneficial owners: 60
ADV minimum commitment: $25K

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

Service providers

Fund administrator BELLTOWER FUND GROUP, LTD SEATTLE, Washington, United States Investor statements: No (provided to no investors) Related to adviser: Yes Other funds reporting this name →

Custodian BELLTOWER FUND GROUP, LTD SEATTLE, Washington, United States Related to adviser: Yes Other funds reporting this name →

Marketer AL ADVISORS MANAGEMENT INC SAN FRANCISCO, California, United States Related to adviser: Yes Other funds reporting this name →

Provider details

Annual audit: No
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: Yes
External marketing: Yes

Fund asset history · 3 annual observations

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Fiscal year	Gross assets	Beneficial owners	ADV filed
2023	$1,655,464	61	Mar 29, 2024
2024	$1,606,519	61	Mar 28, 2025
2025	$2,110,140	60	Mar 24, 2026

Filing source

Form ADV 2107248 · Jun 4, 2026 · Schedule D 7.B.(1), fund 805-3936124369

Reported by PLATFORM ADVISOR, LLC (CRD 167700).

Other-Than Annual Amendment ERA Report.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

Matched by reported Form D file number

PIONEER OPPORTUNITY FUND, LP - B4

Investment adviser: PIONEER FUND II MANAGEMENT CORP

Gross asset value: $1.59M
Beneficial owners: 37
ADV minimum commitment: $25K

Reported in Form ADV on Mar 26, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator ANGELLIST ADVISORS, LLC SAN FRANCISCO, California, United States Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →

Provider details

Annual audit: No
Prime brokers: No
Custodians: No
Administrator other than the adviser: Yes
External marketing: No

Fund asset history · 3 annual observations

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Fiscal year	Gross assets	Beneficial owners	ADV filed
2023	$1,491,825	37	Mar 28, 2024
2024	$1,141,983	37	Mar 31, 2025
2025	$1,585,428	37	Mar 26, 2026

Filing source

Form ADV 2079553 · Mar 26, 2026 · Schedule D 7.B.(1), fund 805-9672579822

Reported by PIONEER FUND II MANAGEMENT CORP (CRD 312046).

Annual Updating Amendment ERA Report · fiscal year 2025.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; 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
Name	Reported role
Ltd. Belltower Fund Group,	Director
Llc Fund Gp,	Director

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

119 South Main Street Suite 220
Seattle, WA, 98104
Phone: 2068016359