BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

THOROUGHBRED FINANCIAL SERVICES, LLC's Holding History (CIK: 0001091370)

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

Q3 2021

Shares 966 Value ($000) $273 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 1,136 Value ($000) $393 Avg Close $302.94 Range $257.03 - $468.55

Q3 2020

Shares 863 Value ($000) $244 Avg Close $278.91 Range $261.87 - $312.00

Q1 2020

Shares 809 Value ($000) $256 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 698 Value ($000) $207 Avg Close $277.46 Range $219.70 - $318.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	966	$273	$327.75	$282.64 - $372.12
Q2 2021	1,136	$393	$302.94	$257.03 - $468.55
Q3 2020	863	$244	$278.91	$261.87 - $312.00
Q1 2020	809	$256	$303.47	$262.25 - $374.99
Q4 2019	698	$207	$277.46	$219.70 - $318.00