BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

FARALLON CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000909661)

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

Q2 2023
Shares 604,098 Value ($000) $172,077 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 619,798 Value ($000) $172,322 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 592,699 Value ($000) $164,130 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 305,499 Value ($000) $81,568 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 278,499 Value ($000) $56,797 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 197,799 Value ($000) $41,656 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 147,709 Value ($000) $35,438 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 170,859 Value ($000) $48,351 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 109,000 Value ($000) $37,743 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 103,000 Value ($000) $28,814 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 103,000 Value ($000) $25,221 Avg Close $259.08 Range $223.25 - $363.92
Q2 2018
Shares 249,000 Value ($000) $72,270 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 340,000 Value ($000) $93,099 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 540,000 Value ($000) $172,028 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 475,000 Value ($000) $148,732 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 212,500 Value ($000) $57,664 Avg Close $264.42 Range $244.28 - $291.90