BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q3 2024

Shares 1,824 Value ($000) $354 Avg Close $209.21 Range $188.78 - $238.00

Q1 2024

Shares 220 Value ($000) $47 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 53 Value ($000) $14 Avg Close $245.62 Range $220.86 - $269.43

Q4 2022

Shares 1,007 Value ($000) $279 Avg Close $282.44 Range $250.31 - $311.88

Q2 2022

Shares 1,750 Value ($000) $357 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 1,106 Value ($000) $233 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 1,421 Value ($000) $341 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 7,663 Value ($000) $2,168 Avg Close $327.75 Range $282.64 - $372.12

Q1 2021

Shares 1,830 Value ($000) $512 Avg Close $269.69 Range $238.40 - $296.38

Q3 2020

Shares 33,018 Value ($000) $9,366 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 29,294 Value ($000) $7,838 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 2,406 Value ($000) $762 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 29,245 Value ($000) $8,678 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 109,011 Value ($000) $25,381 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 51,208 Value ($000) $11,976 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 35,088 Value ($000) $8,294 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 1,045 Value ($000) $314 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 110,486 Value ($000) $39,036 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 10,517 Value ($000) $3,053 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 13,579 Value ($000) $3,718 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 2,958 Value ($000) $942 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 12,402 Value ($000) $3,883 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 1,862 Value ($000) $505 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 65,476 Value ($000) $17,904 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 302,380 Value ($000) $85,749 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 3,320 Value ($000) $1,039 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 210,226 Value ($000) $50,837 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 143,246 Value ($000) $37,290 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 146,050 Value ($000) $44,742 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 73,533 Value ($000) $21,457 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 994 Value ($000) $401 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 23,984 Value ($000) $10,127 Avg Close $394.14 Range $334.40 - $480.18

Q3 2014

Shares 996 Value ($000) $329 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 800 Value ($000) $253 Avg Close $300.97 Range $272.02 - $322.25

Q4 2013

Shares 28,062 Value ($000) $7,850 Avg Close $258.65 Range $221.07 - $298.82

Q2 2013

Shares 1,947 Value ($000) $419 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2024	1,824	$354	$209.21	$188.78 - $238.00
Q1 2024	220	$47	$234.20	$211.02 - $268.30
Q4 2023	53	$14	$245.62	$220.86 - $269.43
Q4 2022	1,007	$279	$282.44	$250.31 - $311.88
Q2 2022	1,750	$357	$204.43	$187.16 - $225.50
Q1 2022	1,106	$233	$217.46	$192.67 - $249.00
Q4 2021	1,421	$341	$257.12	$221.72 - $290.76
Q3 2021	7,663	$2,168	$327.75	$282.64 - $372.12
Q1 2021	1,830	$512	$269.69	$238.40 - $296.38
Q3 2020	33,018	$9,366	$278.91	$261.87 - $312.00
Q2 2020	29,294	$7,838	$300.59	$257.60 - $350.24
Q1 2020	2,406	$762	$303.47	$262.25 - $374.99
Q4 2019	29,245	$8,678	$277.46	$219.70 - $318.00
Q3 2019	109,011	$25,381	$232.85	$215.78 - $246.99
Q2 2019	51,208	$11,976	$230.90	$219.20 - $245.35
Q1 2019	35,088	$8,294	$314.89	$216.12 - $344.00
Q4 2018	1,045	$314	$319.14	$278.46 - $358.41
Q3 2018	110,486	$39,036	$344.30	$288.13 - $388.67
Q2 2018	10,517	$3,053	$281.15	$249.17 - $310.91
Q1 2018	13,579	$3,718	$310.41	$259.76 - $370.57
Q4 2017	2,958	$942	$320.80	$301.81 - $348.84
Q3 2017	12,402	$3,883	$296.11	$269.50 - $330.00
Q2 2017	1,862	$505	$264.42	$244.28 - $291.90
Q1 2017	65,476	$17,904	$282.75	$260.50 - $301.42
Q4 2016	302,380	$85,749	$296.43	$268.00 - $329.83
Q3 2016	3,320	$1,039	$296.18	$240.07 - $333.65
Q2 2016	210,226	$50,837	$263.54	$223.02 - $292.69
Q1 2016	143,246	$37,290	$264.15	$242.07 - $301.02
Q4 2015	146,050	$44,742	$287.35	$254.00 - $311.65
Q3 2015	73,533	$21,457	$330.23	$265.00 - $412.24
Q2 2015	994	$401	$401.33	$368.88 - $432.88
Q1 2015	23,984	$10,127	$394.14	$334.40 - $480.18
Q3 2014	996	$329	$329.72	$298.31 - $349.00
Q2 2014	800	$253	$300.97	$272.02 - $322.25
Q4 2013	28,062	$7,850	$258.65	$221.07 - $298.82
Q2 2013	1,947	$419	$213.68	$191.80 - $242.64