MORNINGSTAR INC

Ticker: MORN CUSIP: 617700109 Class: Common Stock

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q3 2018

Shares 4,470 Value ($000) $563 Avg Close $134.79 Range $125.47 - $144.34

Q2 2018

Shares 4,470 Value ($000) $573 Avg Close $114.36 Range $93.30 - $134.95

Q1 2018

Shares 6,470 Value ($000) $618 Avg Close $96.16 Range $90.00 - $103.46

Q4 2017

Shares 6,470 Value ($000) $627 Avg Close $90.03 Range $82.64 - $99.11

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	4,470	$563	$134.79	$125.47 - $144.34
Q2 2018	4,470	$573	$114.36	$93.30 - $134.95
Q1 2018	6,470	$618	$96.16	$90.00 - $103.46
Q4 2017	6,470	$627	$90.03	$82.64 - $99.11