Form D · Venture Capital Fund

CRU Fund I, a series of Altra FrontierTech Investments I, LP

New York, NY · CIK 0002093597

Offering snapshot reported Dec 30, 2025 · SEC filing

Reported sold
$3.13M
Offering amount: $3.13M
Investors reported
175
Form D · investor count
Minimum accepted
$5K
Reported outside-investor minimum
First sale
Nov 18, 2025
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
Dec 30, 2025Initial$3,126,013No comparison175SEC filing

Offering details

Securities
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
021-568284

Source: Form D, filed Dec 30, 2025. 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

BO FUND III, A SERIES OF ALTRA FRONTIERTECH INVESTMENTS I, LP

Investment adviser: ALTRA VENTURE PARTNERS LLC

Gross asset value
$1.56M
Beneficial owners
153
ADV minimum commitment
$5K

Reported in Form ADV on Apr 1, 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: 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 · 1 annual observations Gross asset value by annual ADV filing$0$782K$1.56MFY 2025: $1,563,221.00FY 2025

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Fiscal yearGross assetsBeneficial ownersADV filed
2025$1,563,221153Apr 1, 2026
Filing source

Form ADV 2050703 · Apr 1, 2026 · Schedule D 7.B.(1), fund 805-8809915310

Reported by ALTRA VENTURE PARTNERS LLC (CRD 314277).

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

QP-CRU FUND I, A SERIES OF ALTRA FRONTIERTECH INVESTMENTS I, LP

Investment adviser: ALTRA VENTURE PARTNERS LLC

Gross asset value
$1.14M
Beneficial owners
101
ADV minimum commitment
$5K

Reported in Form ADV on Apr 1, 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: 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 · 1 annual observations Gross asset value by annual ADV filing$0$571K$1.14MFY 2025: $1,142,821.00FY 2025

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Fiscal yearGross assetsBeneficial ownersADV filed
2025$1,142,821101Apr 1, 2026
Filing source

Form ADV 2050703 · Apr 1, 2026 · Schedule D 7.B.(1), fund 805-9836680317

Reported by ALTRA VENTURE PARTNERS LLC (CRD 314277).

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
NameReported role
N/A Altra Frontier Tech Investments Gp Llc Director
Jamie Melzer Executive

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:
459 Columbus Avenue, Suite #502
New York, NY, 10024
Phone: (360) 340-9337