TERADYNE INC

Ticker: TER CUSIP: 880770102 Class: EQTY

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

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

Q1 2018

Shares 14,600 Value ($000) $667 Avg Close $43.91 Range $37.63 - $48.70

Q4 2017

Shares 14,300 Value ($000) $599 Avg Close $39.50 Range $35.71 - $42.73

Q3 2017

Shares 15,200 Value ($000) $567 Avg Close $33.11 Range $28.36 - $35.88

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	14,600	$667	$43.91	$37.63 - $48.70
Q4 2017	14,300	$599	$39.50	$35.71 - $42.73
Q3 2017	15,200	$567	$33.11	$28.36 - $35.88