Investment adviser · CRD 314277

HF SCALE PARTNERS LLC

ALTRA VENTURE PARTNERS LLC

NEW YORK, NY, United States · Form ADV filed Apr 1, 2026

Adviser-level assets, account counts and staffing figures are unavailable in this filing. View the reported fund disclosures below →

Private funds & service providers

27 detailed fund records

Largest reported gross asset value first; unreported values last. Gross asset value is fund-level disclosure, distinct from adviser AUM and Form D fundraising. Master and feeder funds may overlap.

PU FUND I, A SERIES OF ALTRA VENTURE PARTNERS I, LPOther Private Fund$1.22MGross asset value

Form D fundraising filings

View filings for the issuer linked by this fund’s reported Form D file numbers.

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 details & source
Fund ID
805-5319486606
Reported beneficial owners
98
Minimum commitment
$5K
Form D file number
021-417307

Form ADV 2050703 · Apr 1, 2026 · Schedule D 7.B.(1)

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.

QP-CRU FUND I, A SERIES OF ALTRA FRONTIERTECH INVESTMENTS I, LPVenture Capital Fund$1.14MGross asset value

Form D fundraising filings

View filings for the issuer linked by this fund’s reported Form D file numbers.

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 details & source
Fund ID
805-9836680317
Reported beneficial owners
101
Minimum commitment
$5K
Form D file number
021-568284

Form ADV 2050703 · Apr 1, 2026 · Schedule D 7.B.(1)

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.

WRI FUND I, A SERIES OF ALTRA VENTURES PARTNERS II, LPVenture Capital Fund$1.12MGross asset value

Form D fundraising filings

View filings for the issuer linked by this fund’s reported Form D file numbers.

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 details & source
Fund ID
805-4056950777
Reported beneficial owners
91
Minimum commitment
$5K
Form D file number
021-545842

Form ADV 2050703 · Apr 1, 2026 · Schedule D 7.B.(1)

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.

QP-PI FUND I, A SERIES OF ALTRA VENTURE PARTNERS I, LPVenture Capital Fund$1.08MGross asset value

Form D fundraising filings

View filings for the issuer linked by this fund’s reported Form D file numbers.

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 details & source
Fund ID
805-3723341766
Reported beneficial owners
44
Minimum commitment
$5K
Form D file number
021-427246

Form ADV 2050703 · Apr 1, 2026 · Schedule D 7.B.(1)

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.

DA FUND II, A SERIES OF ALTRA VENTURE PARTNERS II, LPVenture Capital Fund$1.01MGross asset value

Form D fundraising filings

View filings for the issuer linked by this fund’s reported Form D file numbers.

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 details & source
Fund ID
805-1976323642
Reported beneficial owners
26
Minimum commitment
$5K
Form D file number
021-535889

Form ADV 2050703 · Apr 1, 2026 · Schedule D 7.B.(1)

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.

EP FUND II, A SERIES OF ALTRA VENTURE PARTNERS I, LPOther Private Fund$1.01MGross asset value
Search Form D filings →
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 details & source
Fund ID
805-5151872971
Reported beneficial owners
55
Minimum commitment
$1.5K
Form D file number
021-48461901

Form ADV 2050703 · Apr 1, 2026 · Schedule D 7.B.(1)

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.

SHI FUND II, A SERIES OF ALTRA VENTURE PARTNERS II, LPVenture Capital Fund$930KGross asset value

Form D fundraising filings

View filings for the issuer linked by this fund’s reported Form D file numbers.

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 details & source
Fund ID
805-1130960711
Reported beneficial owners
45
Minimum commitment
$5K
Form D file number
021-553291

Form ADV 2050703 · Apr 1, 2026 · Schedule D 7.B.(1)

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.

Services & filing details

Showing values from the selected filing. Latest observed filing does not establish current registration status.

Filing history · 3 annual filings

Adviser-level financial and staffing figures are unavailable in these annual filings. Select a filing to view its reported funds and providers.

Reported services

Not reported in these imported fields

Compensation

Not reported in these imported fields

Principal office

459 COLUMBUS AVENUE, SUITE #502
NEW YORK, NY, 10024, United States

CRD 314277

Filing source

Form ADV 2050703 · Apr 1, 2026 · Items 1 & 5

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.