BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

ADAMS DIVERSIFIED EQUITY FUND, INC.'s Holding History (CIK: 0000002230)

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

Q4 2025
Shares 44,300 Value ($000) $7,796 Avg Close $163.37 Range $138.00 - $185.17
Q4 2018
Shares 48,900 Value ($000) $14,715 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 48,900 Value ($000) $17,277 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 48,900 Value ($000) $14,193 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 67,000 Value ($000) $18,346 Avg Close $310.41 Range $259.76 - $370.57
Q1 2017
Shares 47,000 Value ($000) $12,851 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 47,000 Value ($000) $13,328 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 47,000 Value ($000) $11,366 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 47,000 Value ($000) $11,366 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 47,000 Value ($000) $12,235 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 47,000 Value ($000) $14,398 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 47,000 Value ($000) $13,715 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 47,000 Value ($000) $18,985 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 47,000 Value ($000) $19,845 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 47,000 Value ($000) $15,954 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 47,000 Value ($000) $15,548 Avg Close $329.72 Range $298.31 - $349.00
Q2 2014
Shares 47,000 Value ($000) $14,820 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 47,000 Value ($000) $14,376 Avg Close $317.43 Range $270.62 - $358.89
Q4 2013
Shares 47,000 Value ($000) $13,148 Avg Close $258.65 Range $221.07 - $298.82
Q3 2013
Shares 30,000 Value ($000) $7,223 Avg Close $223.81 Range $203.55 - $248.95
Q2 2013
Shares 30,000 Value ($000) $6,456 Avg Close $213.68 Range $191.80 - $242.64