BIO-TECHNE CORP

Ticker: TECH CUSIP: 09073M104 Class: EQTY

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

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

Q2 2015

Shares 15,700 Value ($000) $1,546 Avg Close $23.21 Range $22.13 - $24.11

Q1 2015

Shares 27,100 Value ($000) $2,718 Avg Close $22.03 Range $20.17 - $23.57

Q4 2014

Shares 28,400 Value ($000) $2,624 Avg Close $21.13 Range $19.82 - $22.17

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	15,700	$1,546	$23.21	$22.13 - $24.11
Q1 2015	27,100	$2,718	$22.03	$20.17 - $23.57
Q4 2014	28,400	$2,624	$21.13	$19.82 - $22.17