Mason Investment Advisory Services, Inc.
All 13F Filings
Location
Reston, VA
CIK
0001635007
All SEC filings
View on sec.gov
Filing ID
Report Period
Holdings
Value ($000)
Form Type
Date Filed
Name
000114036126021278
Q1 2026
79
2,165,773,388
13F-HR
5/14/2026
Mason Investment Advisory Services, Inc.