Form D · Venture Capital Fund

Pioneer Opportunity Fund, LP - B1

Seattle, WA · CIK 0001961789

Offering snapshot reported Jan 12, 2023 · SEC filing

Reported sold
$2.05M
Offering amount: $2.55M
Investors reported
60
Form D · investor count
Minimum accepted
$4.48K
Reported outside-investor minimum
First sale
Jan 4, 2023
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
Jan 12, 2023Initial$2,048,661No comparison60SEC filing

Offering details

Securities
Pooled investment fund
Exemptions
06c, 3C.1
Duration over one year
No
Business combination
No
Sales commissions
$0
Finders' fees
$0
Form D file number
021-470530

Source: Form D, filed Jan 12, 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 - B1

Investment adviser: PIONEER FUND II MANAGEMENT CORP

Gross asset value
$8.96M
Beneficial owners
45
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 Gross asset value by annual ADV filing$0$4.48M$8.96MFY 2023: $1,365,403.00FY 2023FY 2024: $2,411,186.00FY 2024FY 2025: $8,961,037.00FY 2025

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Fiscal yearGross assetsBeneficial ownersADV filed
2023$1,365,40345Mar 28, 2024
2024$2,411,18645Mar 31, 2025
2025$8,961,03745Mar 26, 2026
Filing source

Form ADV 2079553 · Mar 26, 2026 · Schedule D 7.B.(1), fund 805-9569069625

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 - B1

Investment adviser: PLATFORM ADVISOR, LLC

Gross asset value
$5.81M
Beneficial owners
61
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 Gross asset value by annual ADV filing$0$2.91M$5.81MFY 2023: $1,356,404.00FY 2023FY 2024: $1,822,985.00FY 2024FY 2025: $5,814,873.00FY 2025

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Fiscal yearGross assetsBeneficial ownersADV filed
2023$1,356,40462Mar 29, 2024
2024$1,822,98562Mar 28, 2025
2025$5,814,87361Mar 24, 2026
Filing source

Form ADV 2107248 · Jun 4, 2026 · Schedule D 7.B.(1), fund 805-2563992094

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.

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
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