Gifford Fong Associates’s Biogen BIIB Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q2	$722K	Hold	5,750	–	–	0.17%	96
2025 Q1	$787K	Hold	5,750	–	–	0.2%	93
2024 Q4	$879K	Hold	5,750	–	–	0.22%	91
2024 Q3	$1.12M	Hold	5,750	–	–	0.28%	88
2024 Q2	$1.33M	Hold	5,750	–	–	0.35%	78
2024 Q1	$1.24M	Sell	5,750 -5,750	-50%	-$1.24M	0.34%	80
2023 Q4	$2.98M	Hold	11,500	–	–	0.63%	44
2023 Q3	$2.96M	Hold	11,500	–	–	0.71%	42
2023 Q2	$3.28M	Hold	11,500	–	–	0.77%	40
2023 Q1	$3.2M	Hold	11,500	–	–	0.84%	40
2022 Q4	$3.19M	Hold	11,500	–	–	0.73%	38
2022 Q3	$3.07M	Hold	11,500	–	–	0.76%	35
2022 Q2	$2.35M	Hold	11,500	–	–	0.55%	46
2022 Q1	$2.42M	Hold	11,500	–	–	0.44%	55
2021 Q4	$2.76M	Hold	11,500	–	–	0.48%	50
2021 Q3	$3.25M	Hold	11,500	–	–	0.63%	42
2021 Q2	$3.98M	Hold	11,500	–	–	0.77%	39
2021 Q1	$3.22M	Hold	11,500	–	–	0.69%	41
2020 Q4	$2.82M	Hold	11,500	–	–	0.65%	40
2020 Q3	$3.26M	Hold	11,500	–	–	0.87%	29
2020 Q2	$3.08M	Hold	11,500	–	–	0.93%	29
2020 Q1	$3.64M	Buy	11,500 +10,000	+667%	+$3.16M	1.33%	22
2019 Q4	$445K	Hold	1,500	–	–	0.13%	103
2019 Q3	$349K	Hold	1,500	–	–	0.11%	106
2019 Q2	$351K	Hold	1,500	–	–	0.12%	104
2019 Q1	$355K	Hold	1,500	–	–	0.12%	103
2018 Q4	$451K	Hold	1,500	–	–	0.17%	90
2018 Q3	$530K	Hold	1,500	–	–	0.17%	92
2018 Q2	$435K	Buy	+1,500	New	+$435K	0.15%	91