AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

Zweig-DiMenna Associates LLC's Holding History (CIK: 0001533950)

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

Q4 2017

Shares 3,922 Value ($000) $805 Avg Close $188.42 Range $173.99 - $202.01

Q4 2016

Shares 84,817 Value ($000) $12,324 Avg Close $140.58 Range $126.32 - $157.66

Q3 2016

Shares 80,000 Value ($000) $11,576 Avg Close $138.59 Range $126.84 - $143.96

Q2 2014

Shares 80,000 Value ($000) $16,432 Avg Close $187.17 Range $171.21 - $199.62

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	3,922	$805	$188.42	$173.99 - $202.01
Q4 2016	84,817	$12,324	$140.58	$126.32 - $157.66
Q3 2016	80,000	$11,576	$138.59	$126.84 - $143.96
Q2 2014	80,000	$16,432	$187.17	$171.21 - $199.62