Mainline Investment Advisers LLC

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Assets, Funds, Holdings

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Mainline Investment Advisers LLC
CRD #159045
SEC #801-72761
CIK #
AUM $200.8 M (2025-04-29)
Employees 5 (80% Investors, 40% Brokers)
Phone610-896-3000
Address308 E Lancaster Avenue
Wynnewood, PA 19096-2145
Source [IAPD] [Website] [LinkedIn]
Total AUM ($M)
50040030020010002011201620212026
Type Form D Funds Date Sold ($M) AUM ($M)
PE Cape US Artestar LLC 2025-03-31 19.0
PE K Diamond LLC 2025-03-31 3.5
VC Mainline TU-K Industries LLC [2023-03-30] 6.9 4.9
PE MLH Altmed LLC 2018-03-29 10.8
PE MLH Holdings LLC 2018-03-29 132.0
PE MLIP MLH Investments LLC [2018-03-29] 10.3 33.2
RE Mainline CALA del Sol Partners LP 2016-03-28 5.4
PE Mainline So/Unequal Partners LP 2014-03-28 0.0
PE Mainline Special Opportunities Fund LP 2014-03-28 0.0
PE Cms/Cgf IV LP 2012-01-24 0.0
View All
AUM Breakdown Accounts AUM ($M)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 6 2.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 9 198.8
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 0 0.0
(n) Other 0 0.0
Total 15 200.8
By Discretionary
Discretionary 6 44.3
Non-Discretionary 9 156.5
Total 15 200.8
By Non-United States Persons
Non-United States Persons 0.0
United States Persons 200.8
Total 15 200.8
Form D Directors # Filings # Firms 2011 - 2025
William Landman 57
Mark Solomon 46
Richard Mitchell 31
Paul Silberberg 7
Morey Goldberg 7
Ingrid Welch 7
John Adams 54
David Clapper 45
William Romanelli 2
Mainline Investment Partners LLC 1
View All
Related Firms State AUM ($B)
Mainline Investment Advisers LLC
PA 0.2
Merion Realty Advisers LLC
PA 0.1
CMS Fund Advisers LLC
PA 0.0
Comparable Firms State AUM ($B)
Ridgeview Asset Management Partners LLC
CT 0.3
ACP Capital Management LLC
FL 0.2
SWBC Investment Company
TX 0.2
Pactolus Private Wealth Management LLC
VA 0.2
Cain Capital LLC
TX 0.2
Corps Capital Advisors LLC
TX 0.1
Matrix Planning Inc
CA 0.1
Optimal Capital Advisors LLC
MI 0.1
Alpha Fiduciary Inc
AZ 0.1
Birnam Wood Capital LLC
TX 0.1
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