Old Ironsides Energy

Old Ironsides Energy is a private equity manager in Waltham, MA. It is registered with the SEC as an investment adviser with $1.2B in regulatory assets and 13 staff. It has 5 funds on file, the latest reported in July 2026.

Funds on file
5
Raised, all funds
$5M
Regulatory assets
$1.2B
Staff
13
Pension investors
None found
See the adviser's own filing →

Latest fund filing

Funds

DateFundTypeRaisedTarget
May 2024 OIE STREAM FUND I, LP Private equity $0 Not given

Adviser record

RegistrationRegistered with the SEC as an investment adviser.
Regulatory assets$1.2B
Employees13
Clients10 private funds.
Control personsAndrea, C (carroll) Haney, Kevin, Jude Donahue, Sean, Patrick O'neill, Daniel, Alan Rioux.
Private funds5 private funds holding $1.4B in gross assets.

Private funds it reports

FundTypeGross assets
Old Ironsides Energy Fund Iii-a Private equity $560.9M
Old Ironsides Energy Fund Ii-a Private equity $459.7M
Old Ironsides Brazos Iii-a Private equity $166.6M
Old Ironsides Energy Fund Iii-b Private equity $143.9M
Old Ironsides Energy Fund Ii-b Private equity $92.4M