David Andrew Clapper
Investment adviser representative at Mainline Investment Advisers, LLC
15 yearsExperience
2 statesRegistered in
$109.9MFirm assets
15 yearsFirm in business
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How the firm charges
Fee types in the public filing. This advisor may not use all of them.
Percentage of assetsFixed or flat feePerformance-basedOther
Services the firm offers
These describe the firm as a whole, not only this advisor.
- Portfolio management
Experience
15 years in the industry.
- Mainline Investment Advisers, LLCSep 2011 to now
- Mainline Investment Partners, LLCAug 2011 to now
- Cms Holdco, LLCSep 2010 to now
- Cms Fund Advisers, LLC (previously Cms Fund Advisers, Inc.)Mar 2009 to now
- Mainline Securities LLCOct 2014 to Dec 2024
- Mainline Private Wealth, LLCNov 2011 to Sep 2023
- Merion Realty Advisers, LLCAug 2011 to Mar 2024
- Capital Management Systems, LLCMar 2009 to Dec 2024
- Cms Investment Resources, LLCMar 2009 to Dec 2024
Exams passed
- Series 65 · Uniform Investment Adviser Law2024
State registrations
Registered as an investment adviser representative in 2 states (DE, PA).
Mainline Investment Advisers, LLC
$109.9MAssets managed
16Clients
2Advisers
15 yearsIn business
Official records
SEC data as of Sep 29, 2026. Registrations and firm details can change; confirm current status on the SEC's Investment Adviser Public Disclosure (opens in a new tab) site.
- Individual CRD
- 5644079
- Firm CRD
- 159045