BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Rock Creek Group, LP's Holding History (CIK: 0001484067)

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

Q3 2023
Shares 20 Value ($000) $5 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 8 Value ($000) $2 Avg Close $297.86 Range $273.39 - $319.76
Q3 2022
Shares 10 Value ($000) $3 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 26 Value ($000) $5 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 26 Value ($000) $5 Avg Close $217.46 Range $192.67 - $249.00
Q2 2021
Shares 3 Value ($000) $1 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 10 Value ($000) $3 Avg Close $269.69 Range $238.40 - $296.38
Q3 2020
Shares 489 Value ($000) $139 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 774 Value ($000) $207 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 750 Value ($000) $237 Avg Close $303.47 Range $262.25 - $374.99
Q2 2019
Shares 1,283 Value ($000) $300 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 1,396 Value ($000) $330 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 1,773 Value ($000) $534 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 933 Value ($000) $330 Avg Close $344.30 Range $288.13 - $388.67