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Disclosery

BIIB BIOGEN INC

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Stock (common), issuer CIK 875045

868 managers (885 13F filers) reported a position in BIIB shares at 2025-03-31, 129,830,947 shares in all. 107 filers opened a position and 105 filers sold out during the quarter.

Managers
868
13F filers
885
New
107
Added
333
Reduced
274
Sold out
105
Shares held by filers
129,830,947

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2025

Filers in the available 13F reports with a share position at 2025-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
WEDBUSH SECURITIES INC1,535$210K0.01%new13F-HRTimeline
Analyst IMS Investment Management Servi…in group Analyst IMS Investment Manage…1,527$209K0.01%013F-HRTimelineGroup
HighPoint Advisor Group LLC1,736$209K0.01%-19813F-HRTimeline
D.A. DAVIDSON & CO.1,518$208K<0.01%-9913F-HRTimeline
JOHNSON INVESTMENT COUNSEL INC1,513$207K<0.01%-16613F-HRTimeline
Virtue Capital Management, LLC1,508$206K0.02%+813F-HRTimeline
Supplemental Annuity Collective Trust o…1,500$205K0.06%013F-HRTimeline
EARNED WEALTH ADVISORS, LLC1,495$205K0.04%new13F-HRTimeline
FineMark National Bank & Trust1,486$203K0.01%013F-HRTimeline
IHT Wealth Management, LLC1,480$203K0.01%new13F-HRTimeline
WESBANCO BANK INC1,464$200K0.01%+613F-HRTimeline
Oslo Pensjonsforsikring AS1,447$198K0.03%+11413F-HRTimeline
STF Management LP1,442$197K0.09%+10813F-HRTimeline
Parkside Financial Bank & Trust1,431$196K0.02%+2313F-HRTimeline
Livforsakringsbolaget Skandia, Omsesidi…1,430$196K0.01%013F-HRTimeline
S-Bank Fund Management Ltd1,416$194K0.04%13F-HRTimeline
Deseret Mutual Benefit Administrators1,388$190K0.09%-22413F-HRTimeline
Nexus Investment Management ULC920$181K0.02%new13F-HRTimeline
CX Institutional1,315$180K0.01%new13F-HRTimeline
Clearstead Advisors, LLC1,193$163K<0.01%+7513F-HRTimeline
WHITTIER TRUST CO1,188$163K<0.01%-6813F-HRTimeline
New Age Alpha Advisors, LLC1,110$152K0.01%new13F-HRTimeline
Lindbrook Capital, LLC1,100$151K0.01%+47613F-HRTimeline
Farther Finance Advisors, LLC1,127$149K<0.01%-46813F-HRTimeline
Plato Investment Management Ltd1,070$148K0.01%+3313F-HRTimeline
Steward Partners Investment Advisory, L…1,072$147K<0.01%-40913F-HRTimeline
TRUST CO OF VERMONT1,049$144K0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…992$136K0.01%-45613F-HRTimelineGroup
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.1,162$132K<0.01%-22213F-HRTimelineGroup
Legacy Bridge, LLC941$129K0.07%+113F-HRTimeline
Brooklyn Investment Group929$127K0.03%+30913F-HRTimeline
Mascoma Wealth Management LLC927$127K0.03%013F-HRTimeline
Quintet Private Bank (Europe) S.A.927$127K0.01%-48813F-HRTimeline
ACIMA PRIVATE WEALTH, LLC916$125K0.04%013F-HRTimeline
TCTC Holdings, LLCin group TCTC Holdings, LLC900$123K<0.01%013F-HRTimelineGroup
Manchester Capital Management LLC898$123K0.02%+1213F-HRTimeline
Alpine Bank Wealth Managementin group Alpine Bank Wealth Management895$122K0.02%13F-HRTimelineGroup
Allworth Financial LP1,017$122K<0.01%+46913F-HRTimeline
BNP PARIBASin group BNP PARIBAS874$120K<0.01%+7013F-HRTimelineGroup
IFP Advisors, Inc865$118K<0.01%+7013F-HRTimeline
EASTERN BANK856$117K<0.01%013F-HRTimeline
SVB WEALTH LLC855$117K<0.01%-1,23213F-HRTimeline
PIN OAK INVESTMENT ADVISORS INC820$113K0.09%013F-HRTimeline
Wilmington Savings Fund Society, FSB806$110K<0.01%+6413F-HRTimeline
Centennial Bank/AR/in group Centennial Bank/AR/800$109K0.05%013F-HRTimelineGroup
TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU…750$103K0.03%+28013F-HRTimeline
GPS Wealth Strategies Group, LLC725$99.2K0.01%-1213F-HRTimeline
City State Bank692$94.7K0.03%013F-HRTimeline
Caldwell Trust Co654$89.5K0.01%-813F-HRTimeline
Covestor Ltd642$88K0.06%+31713F-HRTimeline
HORIZON BANCORP INC /IN/627$86K0.05%+16613F-HRTimeline
JNBA Financial Advisors626$85.7K0.01%-24013F-HRTimeline
Tidemark, LLC592$81K0.03%013F-HRTimeline
Blue Trust, Inc.585$80.1K<0.01%+1113F-HRTimeline
MAI Capital Management582$79.6K<0.01%-4413F-HRTimeline
SALEM INVESTMENT COUNSELORS INC567$77.6K<0.01%013F-HRTimeline
Aventura Private Wealth, LLC540$73.9K0.04%-5913F-HRTimeline
Hanson & Doremus Investment Management525$72K0.01%013F-HRTimeline
MassMutual Private Wealth & Trust, FSB510$69.8K<0.01%+23813F-HRTimeline
Capital Analysts, LLCin group Capital Analysts, LLC501$69K<0.01%013F-HRTimelineGroup
Curat Global, LLC503$68.8K0.08%13F-HRTimeline
INTACT INVESTMENT MANAGEMENT INC.in group INTACT INVESTMENT MANAGEMENT …500$68.4K<0.01%new13F-HRTimelineGroup
UMB Bank, n.a.472$64.6K<0.01%+22113F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
PARADIGM ASSET MANAGEMENT CO LLC455$62.3K0.02%013F-HRTimeline
Caitong International Asset Management …448$61.3K0.05%+30013F-HRTimeline
Grove Bank & Trust444$60.8K0.01%+31913F-HRTimeline
North Capital, Inc.438$59.9K0.06%13F-HRTimeline
RICHARDSON FINANCIAL SERVICES INC.437$59.8K0.05%013F-HRTimeline
OFI INVEST ASSET MANAGEMENT467$59.2K<0.01%+24813F-HRTimeline
Key Financial Inc406$55.6K0.01%013F-HRTimeline
Bellevue Group AGin group Bellevue Group AG402$55K<0.01%-2,25013F-HRTimelineGroup
ARMSTRONG ADVISORY GROUP, INC356$54.4K<0.01%013F-HRTimeline
SENTRY INVESTMENT MANAGEMENT LLC454$54K0.04%-13513F-HRTimeline
Quent Capital, LLC391$53.5K0.01%+9313F-HRTimeline
Versant Capital Management, Inc371$50.8K0.01%-3013F-HRTimeline
CoreCap Advisors, LLC352$48.2K<0.01%-5613F-HRTimeline
FSA Wealth Management LLC344$47.1K0.02%013F-HRTimeline
OPTIMUM INVESTMENT ADVISORS335$45.8K0.02%013F-HRTimeline
Smartleaf Asset Management LLC327$45.3K<0.01%-14413F-HRTimeline
MCF Advisors LLC324$44.3K<0.01%013F-HRTimeline
Vermillion Wealth Management, Inc.300$41.1K0.01%013F-HRTimeline
Costello Asset Management, INC300$41.1K0.02%new13F-HRTimeline
NFSG Corp300$41.1K0.01%013F-HRTimeline
Hopwood Financial Services, Inc.300$41.1K0.03%013F-HRTimeline
Financial Gravity Asset Management, Inc.in group Financial Gravity Companies, …295$40.4K0.01%13F-HRTimelineGroup
Riverview Trust Co286$39.1K0.04%new13F-HRTimeline
Lavaca Capital LLC285$39K0.02%+25713F-HRTimeline
Itau Unibanco Holding S.A.in group Itau Unibanco Holding S.A.276$38K<0.01%013F-HRTimelineGroup
Golden State Wealth Management, LLC265$36.3K0.01%013F-HR/ATimeline
LANARK FINANCIAL, INC.257$35K<0.01%new13F-HRTimeline
Twin Lakes Capital Management, LLC250$34.2K0.02%-26113F-HRTimeline
NBT BANK, N.A.in group NBT BANK, N.A.249$34.1K<0.01%-44113F-HRTimelineGroup
Capital Advisors, Ltd. LLC248$34K<0.01%+3813F-HRTimeline
CVA Family Office, LLC231$31.6K<0.01%+9613F-HRTimeline
PRIVATE TRUST CO NA229$31.3K<0.01%+9813F-HRTimeline
Arax Advisory Partners215$29.4K<0.01%013F-HRTimeline
Pflug Koory, LLC214$29.3K0.02%013F-HRTimeline
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…211$28.9K<0.01%13F-HRTimeline
MONTAG A & ASSOCIATES INC209$28.6K<0.01%013F-HRTimeline
Bogart Wealth, LLC209$28.6K<0.01%013F-HRTimeline
CENTRAL TRUST Co203$27.8K<0.01%+3013F-HRTimeline
VISION FINANCIAL MARKETS LLC200$27.4K0.03%new13F-HRTimeline
Greykasell Wealth Strategies, Inc.198$27.1K0.01%new13F-HRTimeline
HARBOUR INVESTMENTS, INC.195$26.7K<0.01%-1713F-HRTimeline
Geneos Wealth Management Inc.192$26.3K<0.01%+10413F-HRTimeline
Opal Wealth Advisors, LLC191$26.1K0.01%new13F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management171$23.5K<0.01%+4513F-HRTimelineGroup
Trust Co163$22.3K<0.01%013F-HRTimeline
WealthCollab, LLC163$22.3K0.01%+6813F-HRTimeline
AllSquare Wealth Management LLC153$20.9K0.01%+12013F-HRTimeline
Principia Wealth Advisory, LLC170$20.5K0.02%+113F-HRTimeline
Rise Advisors, LLC148$20.3K0.01%+2213F-HRTimeline
Ransom Advisory, Ltd140$19.2K0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC136$18.6K<0.01%-6313F-HRTimeline
Bell Investment Advisors, Inc134$18.3K<0.01%+8413F-HRTimeline
Asset Planning,Inc126$17.2K0.01%013F-HRTimeline
Sandy Spring Bank115$15.7K<0.01%013F-HRTimeline
Medallion Wealth Advisors, LLC115$15.7K0.01%013F-HRTimeline
Catalyst Capital Advisors LLC114$15.6K<0.01%013F-HRTimeline
Concord Wealth Partnersin group Concord Wealth Partners114$15.6K<0.01%013F-HRTimelineGroup
SITTNER & NELSON, LLC110$15.1K0.01%013F-HRTimeline
Brown Shipley& Co Ltd107$14.6K0.01%+8513F-HRTimeline
Private Wealth Management Group, LLC107$14.6K0.01%+2013F-HRTimeline
Graney & King, LLC106$14.5K0.01%new13F-HRTimeline
Asset Dedication, LLC104$14.2K<0.01%013F-HRTimeline
NewSquare Capital LLC104$14.2K<0.01%+8613F-HRTimeline
First Horizon Advisors, Inc.104$14.2K<0.01%+413F-HRTimeline
Smithfield Trust Co100$14K<0.01%-413F-HRTimeline
DELTA ASSET MANAGEMENT LLC/TN100$13.7K<0.01%013F-HRTimeline
BROADWATER CAPITAL MANAGEMENT LLC100$13.7K0.01%013F-HR/ATimeline
CKW FINANCIAL GROUP100$13K<0.01%013F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC95$13K<0.01%-1313F-HRTimelineGroup
GW&K Investment Management, LLC92$13K<0.01%-2013F-HRTimeline
Creative Capital Management Investments…92$12.6K<0.01%013F-HRTimeline
VSM Wealth Advisory, LLC92$12.6K<0.01%new13F-HRTimeline
GHP Investment Advisors, Inc.87$11.9K<0.01%new13F-HRTimeline
Rakuten Securities, Inc.in group Rakuten Group, Inc.87$11.9K0.01%+2413F-HRTimelineGroup
Hara Capital LLC84$11.5K0.01%013F-HRTimeline
Union Bancaire Privee, UBP SA82$11.3K<0.01%013F-HRTimeline
TOMPKINS FINANCIAL CORPin group TOMPKINS FINANCIAL CORP81$11.1K<0.01%013F-HRTimelineGroup
Larson Financial Group LLC81$11.1K<0.01%-8213F-HRTimeline
Centerpoint Advisors, LLC83$11K<0.01%013F-HRTimeline
ADIRONDACK TRUST CO80$10.9K<0.01%013F-HRTimeline
STEPH & CO75$10.3K<0.01%+3913F-HRTimeline
Independence Bank of Kentucky75$10.3K<0.01%013F-HRTimeline
Cetera Trust Company, N.A75$10.3K0.01%013F-HRTimeline
Mountain Hill Investment Partners Corp.75$10.3K0.01%-7513F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp72$9.85K<0.01%new13F-HRTimelineGroup
WEST PACES ADVISORS INC.70$9.58K<0.01%013F-HRTimeline
Smallwood Wealth Investment Management,…70$9.58K0.01%new13F-HRTimeline
MV CAPITAL MANAGEMENT, INC.69$9.44K<0.01%+613F-HRTimeline
Truvestments Capital LLC68$9.3K<0.01%-813F-HRTimeline
Bruce G. Allen Investments, LLC67$9.17K0.01%+4413F-HRTimeline
FNY Investment Advisers, LLC70$9K0.01%new13F-HRTimeline
Hemington Wealth Management70$9K<0.01%-213F-HRTimeline
OGOREK ANTHONY JOSEPH /NY/ /ADV66$9K<0.01%new13F-HRTimeline
FIRST COMMUNITY TRUST NA65$8.89K0.01%013F-HRTimeline
Future Financial Wealth Managment LLC65$8.89K0.01%013F-HRTimeline
Private Wealth Asset Management, LLC63$8.62K<0.01%13F-HRTimeline
Saudi Central Bank57$7.8K0.04%new13F-HRTimeline
Tradewinds Capital Management, LLC50$6.84K<0.01%013F-HRTimeline
Financial Freedom, LLC50$6.84K<0.01%013F-HRTimeline
Millstone Evans Group, LLC50$6.84K<0.01%013F-HRTimeline
Synergy Investment Management, LLC50$6.84K<0.01%013F-HRTimeline
Marshall & Sterling Wealth Advisors Inc.48$6.57K<0.01%new13F-HRTimeline
Physician Wealth Advisors, Inc.44$6.02K<0.01%+1413F-HRTimeline
Wood Tarver Financial Group, LLC44$6.02K<0.01%013F-HRTimeline
McIlrath & Eck, LLC43$5.84K<0.01%013F-HRTimeline
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.40$5.47K<0.01%-4613F-HRTimelineGroup
Tortoise Investment Management, LLC40$5.47K<0.01%013F-HR/ATimeline
Anchor Investment Management, LLC40$5.47K<0.01%013F-HRTimeline
Bank Julius Baer & Co. Ltd, Zurich40$5.47K<0.01%+413F-HR/ATimeline
Anderson Financial Strategies, LLC40$5.47K<0.01%new13F-HRTimeline
Johnson Financial Group, Inc.in group Johnson Financial Group, Inc.39$5.34K<0.01%013F-HRTimelineGroup
SIERRA OCEAN, LLC39$5.34K<0.01%+1913F-HRTimeline
E Fund Management (Hong Kong) Co., Ltd.40$5K<0.01%+3013F-HRTimeline
WEBSTER BANK, N. A.36$4.93K<0.01%-3913F-HRTimeline
Prestige Wealth Management Group LLC35$4.79K<0.01%013F-HR/ATimeline
High Note Wealth, LLC35$4.79K<0.01%-2213F-HRTimeline
Rosenberg Matthew Hamilton35$4.79K<0.01%013F-HRTimeline
CALDWELL SUTTER CAPITAL, INC.34$4.65K<0.01%013F-HRTimeline
Dynamic Wealth Strategies, LLC33$4.52K<0.01%new13F-HRTimeline
DiNuzzo Private Wealth, Inc.32$4.38K<0.01%-513F-HRTimeline
ELEVATION WEALTH PARTNERS, LLC30$4.11K<0.01%013F-HRTimeline
BARRETT & COMPANY, INC.30$4.11K<0.01%013F-HRTimeline
Whipplewood Advisors, LLC28$4.11K<0.01%-213F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.30$4K<0.01%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Tower View Wealth Management LLC29$3.97K<0.01%013F-HRTimeline
Stone House Investment Management, LLC29$3.97K<0.01%new13F-HRTimeline
Bangor Savings Bank28$3.83K<0.01%013F-HRTimeline
Bellwether Advisors, LLC28$3.83K<0.01%013F-HRTimeline
Sachetta, LLC28$3.83K<0.01%-113F-HRTimeline
Clearstead Trust, LLC27$3.69K<0.01%new13F-HRTimeline
BARTLETT & CO. WEALTH MANAGEMENT LLC26$3.56K<0.01%-11413F-HRTimeline
CONSULTIVA WEALTH MANAGEMENT, CORP.25$3.42K0.01%013F-HRTimeline
True Wealth Design, LLC25$3.42K<0.01%-4913F-HRTimeline
Pinnacle Bancorp, Inc.23$3.15K<0.01%new13F-HRTimeline
Roble, Belko & Company, Inc25$3K<0.01%013F-HRTimeline
Avion Wealth21$3K<0.01%013F-HRTimeline
RAFFA WEALTH MANAGEMENT, LLC21$2.87K<0.01%-413F-HRTimeline