BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

ADVISORY RESEARCH INC's Holding History (CIK: 0000902584)

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

Q1 2015

Shares 659 Value ($000) $278 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 703 Value ($000) $239 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 670 Value ($000) $222 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 671 Value ($000) $212 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 664 Value ($000) $203 Avg Close $317.43 Range $270.62 - $358.89

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	659	$278	$394.14	$334.40 - $480.18
Q4 2014	703	$239	$323.51	$290.85 - $361.93
Q3 2014	670	$222	$329.72	$298.31 - $349.00
Q2 2014	671	$212	$300.97	$272.02 - $322.25
Q1 2014	664	$203	$317.43	$270.62 - $358.89