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BIIB

BIIB

Biogen Inc.• Healthcare

Q3 2026 filings are still coming in. 13F filers have 45 days after the quarter ends to report, through November 14, 2026. These totals cover only the funds that have filed so far and will keep rising.
Institutional holders
422
Partial Q3 2026
Total 13F value
$1.7B
Filed positions so far
New positions
42
This quarter
Sold positions
20
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange

Pictet Asset Management Holding Sa

$188.2M832.4K0.18%-2.3%

Robeco Institutional Asset Management B.V.

$148.3M656.5K0.18%-17.0%

Artemis Investment Management Llp

$131.4M581.8K1.15%+1.9%

Candriam S.C.A.

$93.5M412.5K0.42%+7.3%

B. Metzler Seel. Sohn & Co. Ag

$91.2M403.6K0.52%+3192.8%

Sumitomo Mitsui Trust Group, Inc.

$76.1M336.7K0.04%-2.9%

Swedbank Ab

$72.8M322.5K0.06%+0.6%

Kbc Group Nv

$65.3M289.1K0.13%+3.7%

Principal Financial Group Inc

$39.2M173.6K0.02%-5.9%

Dekabank Deutsche Girozentrale

$35M153.7K0.03%+41.4%

Creative Planning

$34.4M152.3K0.02%+9.9%

Nippon Life Global Investors Americas, Inc.

$29.9M132.2K1.19%-3.6%

New York State Teachers Retirement System

$24M106.3K0.05%-1.6%

Beau Ventures, Llc

$22.6M100.0K2.13%Unchanged

Adams Diversified Equity Fund, Inc.

$21.9M97.1K0.66%-3.2%

Strs Ohio

$21M93.1K0.08%-0.8%

Mirae Asset Global Investments Co., Ltd.

$15.4M68.4K0.03%+16.4%

Asset Management One Co., Ltd.

$15M66.4K0.04%+3.6%

Banque Pictet & Cie Sa

$14.7M64.9K0.10%-0.3%

Mackenzie Financial Corp

$13.9M61.6K0.02%-28.6%

Ethic Inc.

$13.3M58.7K0.15%+17.4%

Gateway Investment Advisers Llc

$11.6M51.4K0.11%+0.7%

North Growth Management Ltd.

$11.5M51.0K1.55%+2.0%

Fideuram - Intesa Sanpaolo Private Banking S.P.A.

$11.1M49.3K0.32%+223.7%

Privium Fund Management B.V.

$10.9M48.4K2.12%Unchanged

Contravisory Investment Management, Inc.

$9.9M43.8K1.80%-1.1%

Fjarde Ap-Fonden /Fourth Swedish National Pension Fund

$9.9M43.8K0.05%+11.1%

Swiss Life Asset Management Ltd

$9.9M43.8K0.04%+31.4%

State Of Michigan Retirement System

$9.7M42.9K0.04%-1.6%

Czech National Bank

$9.6M42.5K0.05%+1.0%

Cwa Asset Management Group, Llc

$9.6M42.4K0.28%+11.2%

Mn Services Vermogensbeheer B.V.

$9.6M42.3K0.07%Unchanged

Generali Investments Cee, Investicni Spolecnost, A.S.

$9.4M43.6K0.45%Unchanged

Arizona State Retirement System

$9.1M40.3K0.04%-4.2%

Wealth Enhancement Advisory Services, Llc

$8.8M65.6K0.01%-2.5%

Ifm Investors Pty Ltd

$8.4M37.0K0.05%+2.1%

Generali Asset Management Spa Sgr

$8.4M37.0K0.15%+4.6%

Proshare Advisors Llc

$8.1M35.7K0.01%+1.6%

Calamos Advisors Llc

$8M35.6K0.02%+2.1%

Nisa Investment Advisors, Llc

$8M35.2K0.02%-0.9%

Insight Wealth Strategies, Llc

$7.7M34.2K0.76%-0.5%

Commonwealth Of Pennsylvania Public School Empls Retrmt Sys

$7.4M32.6K0.03%+0.1%

Grimes & Co Wealth Management, Llc

$7.3M32.2K0.17%-4.9%

Daiwa Securities Group Inc.

$6.7M29.6K0.01%+1.9%

Asr Vermogensbeheer N.V.

$6.6M29.3K0.07%-25.6%

Xponance Llc

$6.6M29.0K0.04%+4.3%

China Universal Asset Management Co., Ltd.

$6.1M27.0K0.32%+14.7%

Rakuten Investment Management, Inc.

$6M26.5K0.01%+10.0%

Amalgamated Bank

$5.7M25.3K0.04%-2.2%

Northcrest Asset Manangement, Llc

$5.6M25.6K0.13%-1.1%

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