O2 Investment Partners

Private Equity SEC-registered adviser

Legal name: O2 Investment Partners, L.P.

Bloomfield Hills, MI Website LinkedIn

AUM

$1.8B
Regulatory AUM

Private funds

13
Private Equity 13

Private fund assets

$1.8B
Gross asset value

Employees

30

Last Form D raise

Feb 2026
Most recent fund filing

From SEC Form ADV filing (filed Apr 29, 2026). View on SEC

People(2)

Owners and executive officers named on the firm's SEC Form ADV.

L
Luke Plumpton
General Partner and Limited Partner
Source: SEC Form ADV
T
Todd Fink
General Partner and Limited Partner
Source: SEC Form ADV

Funds(13)

Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.

FundTypeGross assetsRaised (Form D)InvestorsLast Form DRecency
O2 Investment Partners Fund V, L.P.Private Equity$13.5M——Feb 2026Warm
O2 Investment Partners Fund V-A, L.P.Private Equity$430.2M——Dec 2025Warm
O2 Investment Partners Fund V-B, L.P.Private Equity$230.2M——Dec 2025Warm
O2 Investment Partners Fund Iv-A, L.P.Private Equity$258.9M$444.5M21Apr 2023Cold
O2 Investment Partners Fund IV, L.P.Private Equity$244.2M$444.5M70Apr 2023Cold
O2 Investment Partners Fund Iv-B, L.P.Private Equity$36.9M$444.5M6Apr 2023Cold
O2 Investment Partners Fund III, L.PPrivate Equity$245.5M$270.0M65Jan 2021Cold
O2 Investment Partners Oxygen Fund, L.P.Private Equity$36.7M——Jun 2016Cold
O2 Investment Partners Oxygen Fund II Co-Invest SPV, L.P.Private Equity$21.7M——Jun 2016Cold
O2 Investment Partners Fund Iii-A, L.P.Private Equity$216.0M———
O2 1 Eh Investors LLCPrivate Equity$42.5M———
O2 Investment Partners Fund Iii-B, L.P.Private Equity$27.0M———
O2 Investment Partners Fund Iv-C, L.P.Private Equity$9.0M———

Board seats

Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.

No board seats matched from SEC filings yet.

Regulatory identifiers

CRD number
291435
SEC file number
801-119161
CIK
1820450

Sources