BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

DUNCKER STREETT & CO INC's Holding History (CIK: 0001020585)

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

Q1 2018
Shares 20 Value ($000) $5 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 20 Value ($000) $6 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 20 Value ($000) $6 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 20 Value ($000) $5 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 20 Value ($000) $5 Avg Close $282.75 Range $260.50 - $301.42
Q1 2015
Shares 100 Value ($000) $42 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 100 Value ($000) $34 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 100 Value ($000) $33 Avg Close $329.72 Range $298.31 - $349.00
Q2 2014
Shares 100 Value ($000) $32 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 100 Value ($000) $31 Avg Close $317.43 Range $270.62 - $358.89