Louis Mark Mayberg
PrincipalProshare Advisors LLCCRD 2006074
About Louis Mark Mayberg
Louis Mark Mayberg is listed as Principal at Proshare Advisors LLC in Bethesda, MD. Form ADV reports a beneficial ownership band of 25-50%. Louis Mark Mayberg is associated with 3 registered advisers.
Reported ownership
Owns 25-50% of Proshare Advisors LLC
Ownership band reported on Form ADV Schedule A
Frequently asked questions
Where does Louis Mark Mayberg work?
Louis Mark Mayberg is listed as Principal at Proshare Advisors LLC on SEC Form ADV.
How much of Proshare Advisors LLC does Louis Mark Mayberg own?
Form ADV reports a beneficial ownership band of 25-50%.
Proshare Advisors LLC
| Title | Principal |
| Ownership | 25-50% |
| Control person | Yes |
| Since | 2005 |
Profund Advisors LLC
| Title | Principal |
| Ownership | 25-50% |
| Control person | Yes |
| Since | 1997 |
Proshare Investment Management LLC
| Title | Principal |
| Ownership | 25-50% |
| Control person | Yes |
| Since | 2026 |