BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q2 2019

Shares 40,200 Value ($000) $9,401 Avg Close $230.90 Range $219.20 - $245.35

Q3 2018

Shares 29,400 Value ($000) $10,387 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 42,300 Value ($000) $12,277 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 40,100 Value ($000) $10,980 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 35,500 Value ($000) $11,309 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 35,500 Value ($000) $11,115 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 33,000 Value ($000) $8,954 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 33,000 Value ($000) $9,022 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 33,000 Value ($000) $9,358 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 22,500 Value ($000) $7,043 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 22,500 Value ($000) $5,440 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 4,900 Value ($000) $1,275 Avg Close $264.15 Range $242.07 - $301.02

Q3 2015

Shares 2,400 Value ($000) $698 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 2,400 Value ($000) $969 Avg Close $401.33 Range $368.88 - $432.88

Q3 2014

Shares 6,900 Value ($000) $2,282 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 6,900 Value ($000) $2,175 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 6,900 Value ($000) $2,109 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 9,300 Value ($000) $2,600 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 2,100 Value ($000) $505 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 2,100 Value ($000) $451 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	40,200	$9,401	$230.90	$219.20 - $245.35
Q3 2018	29,400	$10,387	$344.30	$288.13 - $388.67
Q2 2018	42,300	$12,277	$281.15	$249.17 - $310.91
Q1 2018	40,100	$10,980	$310.41	$259.76 - $370.57
Q4 2017	35,500	$11,309	$320.80	$301.81 - $348.84
Q3 2017	35,500	$11,115	$296.11	$269.50 - $330.00
Q2 2017	33,000	$8,954	$264.42	$244.28 - $291.90
Q1 2017	33,000	$9,022	$282.75	$260.50 - $301.42
Q4 2016	33,000	$9,358	$296.43	$268.00 - $329.83
Q3 2016	22,500	$7,043	$296.18	$240.07 - $333.65
Q2 2016	22,500	$5,440	$263.54	$223.02 - $292.69
Q1 2016	4,900	$1,275	$264.15	$242.07 - $301.02
Q3 2015	2,400	$698	$330.23	$265.00 - $412.24
Q2 2015	2,400	$969	$401.33	$368.88 - $432.88
Q3 2014	6,900	$2,282	$329.72	$298.31 - $349.00
Q2 2014	6,900	$2,175	$300.97	$272.02 - $322.25
Q1 2014	6,900	$2,109	$317.43	$270.62 - $358.89
Q4 2013	9,300	$2,600	$258.65	$221.07 - $298.82
Q3 2013	2,100	$505	$223.81	$203.55 - $248.95
Q2 2013	2,100	$451	$213.68	$191.80 - $242.64