13F-HR | SEC Filings Hub

Filing metadata

Accession number: 0000909012-21-000060
Form type: 13F-HR
Filer: American Research & Management Co.
CIK: CIK 1506796
Filed: Apr 06, 2021
Reporting period: Mar 31, 2021
Description: Institutional holdings

Documents

0000909012-21-000060-index.htm

Complete submission

0000909012-21-000060.txt

directory listing

Filed by

American Research & Management Co.