Campbell & CO Investment Adviser LLC Biogen Inc. Transaction History

Campbell & CO Investment Adviser LLC

$1.26 Billion
Q3 2025

A detailed history of Campbell & CO Investment Adviser LLC transactions in Biogen Inc. stock. As of the latest transaction made, Campbell & CO Investment Adviser LLC holds 2,094 shares of BIIB stock, worth $350,849. This represents 0.02% of its overall portfolio holdings.

Number of Shares

2,094

Previous 6,760 69.02%

Holding current value

$350,849

Previous $848,000 65.45%

% of portfolio

0.02%

Previous 0.06%

25 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Oct 28, 2025	SELL	$122.68 - $148.84 $572,424 - $694,487	-4,666 Reduced 69.02%	2,094 $293,000
Q2 2025 Aug 07, 2025	SELL	$113.38 - $135.49 $545,697 - $652,113	-4,813 Reduced 41.59%	6,760 $848,000
Q1 2025 May 14, 2025	SELL	$133.43 - $153.27 $2.53 Million - $2.9 Million	-18,936 Reduced 62.07%	11,573 $1.58 Million
Q4 2024 Feb 10, 2025	BUY	$146.47 - $191.55 $1.99 Million - $2.6 Million	13,590 Added 80.32%	30,509 $4.67 Million
Q3 2024 Nov 12, 2024	BUY	$189.07 - $236.8 $2.67 Million - $3.34 Million	14,123 Added 505.11%	16,919 $3.28 Million
Q2 2024 Aug 13, 2024	BUY	$190.52 - $236.72 $532,693 - $661,869	2,796 New	2,796 $648,000
Q3 2023 Nov 08, 2023	SELL	$253.3 - $285.89 $136,022 - $153,522	-537 Reduced 20.42%	2,093 $537,000
Q2 2023 Aug 11, 2023	BUY	$275.25 - $318.06 $496,275 - $573,462	1,803 Added 218.02%	2,630 $749,000
Q1 2023 May 11, 2023	SELL	$256.56 - $292.34 $1.24 Million - $1.42 Million	-4,848 Reduced 85.43%	827 $229,000
Q4 2022 Feb 14, 2023	SELL	$252.44 - $306.72 $70,178 - $85,268	-278 Reduced 4.67%	5,675 $1.57 Million
Q3 2022 Nov 14, 2022	BUY	$194.69 - $268.46 $341,096 - $470,341	1,752 Added 41.7%	5,953 $1.59 Million
Q2 2022 Aug 09, 2022	BUY	$187.54 - $223.02 $226,735 - $269,631	1,209 Added 40.41%	4,201 $857,000
Q1 2022 May 09, 2022	BUY	$193.77 - $244.14 $579,759 - $730,466	2,992 New	2,992 $630,000
Q3 2021 Nov 10, 2021	SELL	$282.99 - $369.05 $735,774 - $959,530	-2,600 Closed	0 $0
Q2 2021 Aug 11, 2021	BUY	$259.0 - $414.71 $673,400 - $1.08 Million	2,600 New	2,600 $900,000
Q3 2020 Oct 15, 2020	SELL	$264.77 - $305.71 $371,207 - $428,605	-1,402 Closed	0 $0
Q2 2020 Jul 29, 2020	BUY	$258.66 - $342.55 $362,641 - $480,255	1,402 New	1,402 $375,000
Q1 2020 Apr 29, 2020	SELL	$268.85 - $341.04 $890,162 - $1.13 Million	-3,311 Closed	0 $0
Q4 2019 Jan 23, 2020	BUY	$220.06 - $304.07 $475,769 - $657,399	2,162 Added 188.16%	3,311 $982,000
Q3 2019 Oct 16, 2019	BUY	$217.44 - $243.88 $15,873 - $17,803	73 Added 6.78%	1,149 $268,000
Q2 2019 Jul 10, 2019	BUY	$219.29 - $241.72 $235,956 - $260,090	1,076 New	1,076 $252,000
Q4 2018 Feb 08, 2019	SELL	$278.5 - $352.75 $212,217 - $268,795	-762 Closed	0 $0
Q3 2018 Nov 08, 2018	BUY	$293.51 - $383.83 $223,654 - $292,478	762 New	762 $269,000
Q2 2018 Jul 13, 2018	SELL	$257.52 - $306.91 $196,230 - $233,865	-762 Closed	0 $0
Q1 2018 May 04, 2018	BUY	$260.13 - $367.91 $198,219 - $280,347	762 New	762 $209,000

Others Institutions Holding BIIB

# of Institutions

1,070

Shares Held

128M

Call Options Held

3.03M

Put Options Held

2.24M

View Full List

About BIOGEN INC.

Ticker BIIB
Exchange NASDAQ
Sector Healthcare
Industry Drug Manufacturers—General
Shares Outstandng 144,000,992
Market Cap $24.1B
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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Campbell & CO Investment Adviser LLC Biogen Inc. Transaction History