BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

BRAUN STACEY ASSOCIATES INC's Holding History (CIK: 0000872080)

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

Q3 2015

Shares 1,269 Value ($000) $370 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 57,648 Value ($000) $23,287 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 56,018 Value ($000) $23,653 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 61,856 Value ($000) $20,997 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 59,696 Value ($000) $19,748 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 64,294 Value ($000) $20,272 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 71,655 Value ($000) $21,917 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 82,152 Value ($000) $22,967 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 90,870 Value ($000) $21,878 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 99,495 Value ($000) $21,411,324 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	1,269	$370	$330.23	$265.00 - $412.24
Q2 2015	57,648	$23,287	$401.33	$368.88 - $432.88
Q1 2015	56,018	$23,653	$394.14	$334.40 - $480.18
Q4 2014	61,856	$20,997	$323.51	$290.85 - $361.93
Q3 2014	59,696	$19,748	$329.72	$298.31 - $349.00
Q2 2014	64,294	$20,272	$300.97	$272.02 - $322.25
Q1 2014	71,655	$21,917	$317.43	$270.62 - $358.89
Q4 2013	82,152	$22,967	$258.65	$221.07 - $298.82
Q3 2013	90,870	$21,878	$223.81	$203.55 - $248.95
Q2 2013	99,495	$21,411,324	$213.68	$191.80 - $242.64