AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

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

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

Q1 2018

Shares 1,300 Value ($000) $246 Avg Close $189.64 Range $169.45 - $211.08

Q4 2017

Shares 1,400 Value ($000) $287 Avg Close $188.42 Range $173.99 - $202.01

Q3 2017

Shares 1,600 Value ($000) $304 Avg Close $172.79 Range $161.15 - $186.54

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	1,300	$246	$189.64	$169.45 - $211.08
Q4 2017	1,400	$287	$188.42	$173.99 - $202.01
Q3 2017	1,600	$304	$172.79	$161.15 - $186.54