BLACKROCK INC

CUSIP: 09247X101 Class: COM

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q4 2017
Shares 500 Value ($000) $257 Avg Close — Range —
Q3 2017
Shares 700 Value ($000) $313 Avg Close — Range —
Q2 2017
Shares 800 Value ($000) $338 Avg Close — Range —