BLACKROCK

CUSIP: 091929638 Class: Com

Vectors Research Management, LLC's Holding History (CIK: 0001750557)

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

Q4 2018
Shares 558 Value ($000) $4 Avg Close — Range —
Q3 2018
Shares 544 Value ($000) $4 Avg Close — Range —