Mainline Investment Advisers
Mainline Investment Advisers is a private equity and venture manager in Wynnewood, PA. It is registered with the SEC as an investment adviser with $109.9M in regulatory assets and 4 staff. It has 1 fund on file, the latest reported in June 2026.
Funds on file
1
Raised, all funds
$15M
Regulatory assets
$109.9M
Staff
4
Pension investors
None found
See the adviser's own filing →
Latest fund filing
Funds
DateFundTypeRaisedTarget
Adviser record
RegistrationRegistered with the SEC as an investment adviser.
Regulatory assets$109.9M
Employees4
Clients9 private funds and 7 wealthy individuals.
Control personsDavid, Andrew Clapper, William, Alan Landman.
Private funds7 private funds holding $240.3M in gross assets.
Private funds it reports
FundTypeGross assets
MLH Holdings
Private equity
$177.3M
Mlip MLH Investments
Private equity
$47.9M
Mainline Cala Del Sol Partners
Real estate
$8.1M
Mainline Tu-k Industries
Venture
$5.7M
CMS Platinum Fund
Private equity
$1.2M
Mainline So/unequal Partners
Private equity
$54.3K
Mainline Special Opportunities Fund
Private equity
$16.6K