BLACKROCK MASS TAX-EXEMPT TR

CUSIP: 09258E109 Class: SH BEN INT

Thomas J. Herzfeld Advisors, Inc.'s Holding History (CIK: 0001509510)

Note: Option positions (PUT/CALL) are excluded.

Q1 2019
Shares 6,444 Value ($000) $81 Avg Close — Range —
Q4 2018
Shares 2,987 Value ($000) $33 Avg Close — Range —