Retirement Systems Of Alabama Biogen Inc. Transaction History

Retirement Systems Of Alabama

$25.3 Billion
Q1 2025

A detailed history of Retirement Systems Of Alabama transactions in Biogen Inc. stock. As of the latest transaction made, Retirement Systems Of Alabama holds 183,551 shares of BIIB stock, worth $24.2 Million. This represents 0.1% of its overall portfolio holdings.

Number of Shares

183,551

Previous 185,383 0.99%

Holding current value

$24.2 Million

Previous $28.3 Million 11.4%

% of portfolio

0.1%

Previous 0.11%

31 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 Apr 21, 2025	SELL	$133.43 - $153.27 $244,443 - $280,790	-1,832 Reduced 0.99%	183,551 $25.1 Million
Q4 2024 Jan 27, 2025	BUY	$146.47 - $191.55 $22.6 Million - $29.5 Million	154,062 Added 491.88%	185,383 $28.3 Million
Q3 2024 Dec 06, 2024	SELL	$189.07 - $236.8 $150,499 - $188,492	-796 Reduced 2.48%	31,321 $6.07 Million
Q2 2024 Jul 24, 2024	BUY	$190.52 - $236.72 $25,910 - $32,193	136 Added 0.43%	32,117 $7.45 Million
Q1 2024 Apr 30, 2024	BUY	$212.02 - $267.71 $10,176 - $12,850	48 Added 0.15%	31,981 $6.9 Million
Q4 2023 Feb 05, 2024	SELL	$222.59 - $267.94 $30.7 Million - $36.9 Million	-137,713 Reduced 81.18%	31,933 $8.26 Million
Q3 2023 Nov 06, 2023	SELL	$253.3 - $285.89 $38,248 - $43,169	-151 Reduced 0.09%	169,646 $43.6 Million
Q2 2023 Jul 31, 2023	SELL	$275.25 - $318.06 $2.66 Million - $3.07 Million	-9,666 Reduced 5.39%	169,797 $48.4 Million
Q1 2023 May 01, 2023	BUY	$256.56 - $292.34 $8.55 Million - $9.74 Million	33,331 Added 22.81%	179,463 $49.9 Million
Q4 2022 Feb 06, 2023	BUY	$252.44 - $306.72 $24.7 Million - $30 Million	97,932 Added 203.18%	146,132 $40.5 Million
Q3 2022 Nov 04, 2022	SELL	$194.69 - $268.46 $41.6 Million - $57.4 Million	-213,829 Reduced 81.61%	48,200 $12.9 Million
Q2 2022 Aug 03, 2022	SELL	$187.54 - $223.02 $261,993 - $311,558	-1,397 Reduced 0.53%	262,029 $53.4 Million
Q1 2022 Apr 20, 2022	BUY	$193.77 - $244.14 $35 Million - $44.1 Million	180,801 Added 218.82%	263,426 $55.5 Million
Q4 2021 Jan 20, 2022	BUY	$223.92 - $287.77 $1.36 Million - $1.75 Million	6,073 Added 7.93%	82,625 $19.8 Million
Q3 2021 Nov 03, 2021	SELL	$282.99 - $369.05 $2.1 Million - $2.74 Million	-7,413 Reduced 8.83%	76,552 $21.7 Million
Q2 2021 Jul 21, 2021	SELL	$259.0 - $414.71 $79,513 - $127,315	-307 Reduced 0.36%	83,965 $29.1 Million
Q1 2021 Apr 15, 2021	SELL	$242.95 - $284.63 $1.67 Million - $1.96 Million	-6,872 Reduced 7.54%	84,272 $23.6 Million
Q4 2020 Jan 26, 2021	BUY	$236.26 - $355.63 $1.18 Million - $1.77 Million	4,990 Added 5.79%	91,144 $22.3 Million
Q3 2020 Oct 20, 2020	SELL	$264.77 - $305.71 $236,439 - $272,999	-893 Reduced 1.03%	86,154 $24.4 Million
Q2 2020 Jul 23, 2020	BUY	$258.66 - $342.55 $2 Million - $2.65 Million	7,725 Added 9.74%	87,047 $23.3 Million
Q1 2020 Apr 20, 2020	BUY	$268.85 - $341.04 $5,108 - $6,479	19 Added 0.02%	79,322 $25.1 Million
Q4 2019 Jan 28, 2020	SELL	$220.06 - $304.07 $323,268 - $446,678	-1,469 Reduced 1.82%	79,303 $23.5 Million
Q3 2019 Oct 30, 2019	SELL	$217.44 - $243.88 $2.1 Million - $2.36 Million	-9,662 Reduced 10.68%	80,772 $18.8 Million
Q2 2019 Jul 09, 2019	SELL	$219.29 - $241.72 $15.5 Million - $17.1 Million	-70,663 Reduced 43.86%	90,434 $21.2 Million
Q1 2019 Apr 15, 2019	BUY	$216.71 - $338.96 $14.8 Million - $23.1 Million	68,201 Added 73.42%	161,097 $38.1 Million
Q4 2018 Jan 10, 2019	SELL	$278.5 - $352.75 $11 Million - $13.9 Million	-39,500 Reduced 29.83%	92,896 $28 Million
Q3 2018 Oct 24, 2018	SELL	$293.51 - $383.83 $26.7 Million - $34.9 Million	-90,938 Reduced 40.72%	132,396 $46.8 Million
Q2 2018 Jul 17, 2018	SELL	$257.52 - $306.91 $498,043 - $593,563	-1,934 Reduced 0.86%	223,334 $64.8 Million
Q1 2018 Apr 27, 2018	BUY	$260.13 - $367.91 $7.73 Million - $10.9 Million	29,705 Added 15.19%	225,268 $61.7 Million
Q4 2017 Feb 08, 2018	BUY	$307.64 - $344.58 $10.3 Million - $11.6 Million	33,614 Added 20.76%	195,563 $62.3 Million
Q3 2017 Nov 06, 2017	BUY	$281.15 - $329.69 $45.5 Million - $53.4 Million	161,949	161,949 $50.7 Million

Others Institutions Holding BIIB

# of Institutions

1,026

Shares Held

127M

Call Options Held

2.29M

Put Options Held

4.26M

View Full List

About BIOGEN INC.

Ticker BIIB
Exchange NASDAQ
Sector Healthcare
Industry Drug Manufacturers—General
Shares Outstandng 144,000,992
Market Cap $19B
Description
Biogen Inc. discovers, develops, manufactures, and delivers therapies for treating neurological and neurodegenerative diseases. The company offers TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, TYSABRI, and FAMPYRA for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; and FUMADERM to treat plaque psoriasis. It also provides BENEPALI, an eta...

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Retirement Systems Of Alabama Biogen Inc. Transaction History