GRAND RAPIDS — Auxo Investment Partners closed fundraising for its first fund after netting $50 million from family offices and institutional investors. GRAND RAPIDS — Auxo Investment Partners closed fundraising for its first fund after netting $50 million from family offices and institutional investors. The close last week enables Auxo partners to focus solely on seeking and vetting investment prospects. The Grand Rapids-based private equity firm expects to invest in 10 to 15 companies over the next three years through Auxo Growth Holdings I LLC, deploying an estimated $150 million in capital through co-investments with family offices.