AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q4 2019

Shares 12,432 Value ($000) $1,053 Avg Close $81.44 Range $70.43 - $87.94

Q3 2015

Shares 58,257 Value ($000) $9,961 Avg Close $190.37 Range $159.30 - $214.73

Q2 2015

Shares 4,553 Value ($000) $995 Avg Close $215.27 Range $205.22 - $223.28

Q1 2015

Shares 18,304 Value ($000) $3,931 Avg Close $204.27 Range $185.26 - $214.40

Q3 2014

Shares 43,237 Value ($000) $8,663 Avg Close $197.54 Range $186.21 - $207.58

Q2 2014

Shares 36,133 Value ($000) $7,422 Avg Close $187.17 Range $171.21 - $199.62

Q1 2014

Shares 7,696 Value ($000) $1,540 Avg Close $190.16 Range $175.09 - $212.40

Q3 2013

Shares 18,237 Value ($000) $3,331 Avg Close $171.93 Range $151.62 - $183.39

Q2 2013

Shares 5,880 Value ($000) $964 Avg Close $153.14 Range $138.12 - $166.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	12,432	$1,053	$81.44	$70.43 - $87.94
Q3 2015	58,257	$9,961	$190.37	$159.30 - $214.73
Q2 2015	4,553	$995	$215.27	$205.22 - $223.28
Q1 2015	18,304	$3,931	$204.27	$185.26 - $214.40
Q3 2014	43,237	$8,663	$197.54	$186.21 - $207.58
Q2 2014	36,133	$7,422	$187.17	$171.21 - $199.62
Q1 2014	7,696	$1,540	$190.16	$175.09 - $212.40
Q3 2013	18,237	$3,331	$171.93	$151.62 - $183.39
Q2 2013	5,880	$964	$153.14	$138.12 - $166.12