BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

CAPITAL COUNSEL LLC/NY's Holding History (CIK: 0001114928)

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

Q4 2015
Shares 825 Value ($000) $253 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 832 Value ($000) $243 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 882 Value ($000) $356 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 832 Value ($000) $351 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 866 Value ($000) $294 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 866 Value ($000) $286 Avg Close $329.72 Range $298.31 - $349.00
Q2 2014
Shares 866 Value ($000) $273 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 866 Value ($000) $265 Avg Close $317.43 Range $270.62 - $358.89
Q4 2013
Shares 866 Value ($000) $242 Avg Close $258.65 Range $221.07 - $298.82
Q3 2013
Shares 866 Value ($000) $208 Avg Close $223.81 Range $203.55 - $248.95