Form 13F-HR - Quarterly report filed by institutional managers, Holdings:
SEC Accession No. 0001140361-25-028811
Filing Date
2025-08-05
Accepted
2025-08-05 15:20:07
Documents
2
Period of Report
2025-06-30
Effectiveness Date
2025-08-05

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 13F-HR  
1 primary_doc.xml 13F-HR 2370
2 informationtable.html INFORMATION TABLE  
2 informationtable.xml INFORMATION TABLE 39815
  Complete submission text file 0001140361-25-028811.txt   43369
Mailing Address 11921 FREEDOM DRIVE SUITE 1000 RESTON VA 20190
Business Address 11921 FREEDOM DRIVE SUITE 1000 RESTON VA 20190 703-716-6000
Mason Investment Advisory Services, Inc. (Filer) CIK: 0001635007 (see all company filings)

EIN.: 541211118
Type: 13F-HR | Act: 34 | File No.: 028-23779 | Film No.: 251184516