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Disclosery

BIIB BIOGEN INC

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Stock (common), issuer CIK 875045

860 managers (879 13F filers) reported a position in BIIB shares at 2024-12-31, 132,356,097 shares in all. 69 filers opened a position and 160 filers sold out during the quarter.

Managers
860
13F filers
879
New
69
Added
301
Reduced
322
Sold out
160
Shares held by filers
132,356,097

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, Q4 2024

Filers in the available 13F reports with a share position at 2024-12-31, 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
SIMPLEX TRADING, LLC33,542$5.13M0.14%-19,57613F-HRTimeline
KBC Group NVin group KBC Group NV33,490$5.12M0.01%+26113F-HRTimelineGroup
IFM Investors Pty Ltd33,425$5.11M0.05%-58813F-HRTimeline
China Universal Asset Management Co., L…33,354$5.1M0.48%-2,50913F-HRTimeline
Alberta Investment Management Corp33,180$5.07M0.03%+19,28013F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO32,694$5M0.01%-75,25813F-HRTimelineGroup
NorthCrest Asset Manangement, LLC32,406$4.96M0.15%+54813F-HR/ATimeline
Orion Investment Co31,721$4.85M1.94%-83413F-HRTimeline
Czech National Bank31,595$4.83M0.04%+1,92313F-HRTimeline
USS Investment Management Ltd31,498$4.82M0.03%-5,58413F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…30,984$4.74M0.03%-72513F-HRTimeline
Campbell & CO Investment Adviser LLC30,509$4.67M0.36%+13,59013F-HRTimeline
FJARDE AP-FONDEN /FOURTH SWEDISH NATION…29,821$4.56M0.05%-1,90013F-HRTimeline
KIRR MARBACH & CO LLC /IN/29,798$4.56M0.99%-4,57813F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP29,384$4.49M0.01%-33813F-HRTimelineGroup
SECTOR GAMMA AS29,000$4.43M1.52%-6,16613F-HRTimeline
PROFUND ADVISORS LLC28,629$4.38M0.16%+9813F-HRTimeline
Headlands Technologies LLC28,377$4.34M0.44%+27,12913F-HRTimeline
ICICI Prudential Asset Management Co Ltd28,249$4.32M0.48%-2,11913F-HRTimeline
AMALGAMATED BANK28,201$4.31M0.04%-42213F-HRTimeline
CSM Advisors, LLC28,159$4.3M0.2%+5013F-HR/ATimeline
Engineers Gate Manager LP28,043$4.29M0.07%+10,05113F-HRTimeline
BRITISH COLUMBIA INVESTMENT MANAGEMENT …27,888$4.26M0.03%+3,59913F-HRTimeline
Generali Investments CEE, investicni sp…27,060$4.14M0.43%13F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC26,292$4.02M0.01%-2,05113F-HRTimeline
CIBC WORLD MARKETS CORP26,240$4.01M0.02%+3,26713F-HRTimeline
Point72 Hong Kong Ltd26,179$4M0.25%new13F-HRTimeline
LPL Financial LLC26,138$4M<0.01%-18,25313F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…26,046$3.98M0.04%+6,60013F-HRTimelineGroup
GRIMES & Co WEALTH MANAGEMENT, LLC25,613$3.92M0.11%-21,85413F-HRTimeline
Kentucky Retirement Systemsgroup of 2 filers holding18,375$3.87M+3,914Timeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…25,174$3.85M<0.01%+1,75313F-HRTimelineGroup
Creative Planningin group Creative Planning24,546$3.75M<0.01%+10,77213F-HRTimelineGroup
Utah Retirement Systems24,115$3.69M0.04%013F-HRTimeline
Ilmarinen Mutual Pension Insurance Co24,000$3.67M0.03%+6,00013F-HRTimeline
TOCQUEVILLE ASSET MANAGEMENT L.P.in group TOCQUEVILLE ASSET MANAGEMENT …23,840$3.65M0.06%-223,69513F-HRTimelineGroup
Trexquant Investment LP23,337$3.57M0.04%-73,25913F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC23,050$3.52M0.04%-9613F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC22,091$3.52M0.01%+14,30613F-HRTimelineGroup
DIVERSIFIED TRUST CO22,926$3.51M0.09%+14313F-HRTimeline
SPHERA FUNDS MANAGEMENT LTD.in group SPHERA FUNDS MANAGEMENT LTD.22,738$3.48M0.64%-1,71713F-HRTimelineGroup
New York Life Investment Management LLCin group New York Life Investment Mana…22,458$3.43M0.03%-12413F-HRTimelineGroup
ING GROEP NV22,171$3.39M0.02%+2,52113F-HRTimeline
TUDOR INVESTMENT CORP ET AL22,003$3.36M0.04%-31,70813F-HRTimeline
Ensign Peak Advisors, Inc21,669$3.31M0.01%-2,44213F-HRTimeline
SHELTON CAPITAL MANAGEMENT21,201$3.24M0.08%013F-HRTimeline
Police & Firemen's Retirement System of…21,110$3.23M0.03%13F-HRTimeline
STOREBRAND ASSET MANAGEMENT AS20,966$3.21M0.01%-34,38313F-HRTimeline
AlphaQuest LLC20,831$3.19M0.42%new13F-HRTimeline
XPONANCE LLC20,735$3.17M0.03%-29013F-HRTimeline
BANK OF NOVA SCOTIAin group BANK OF NOVA SCOTIA20,552$3.14M0.01%+1,91513F-HR/ATimelineGroup
BOKF, NAin group BOKF, NA20,852$3.1M0.05%-3,35713F-HRTimelineGroup
Edgestream Partners, L.P.20,135$3.08M0.13%+8,91713F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson19,763$3.02M<0.01%-3,26613F-HRTimelineGroup
BEACON INVESTMENT ADVISORY SERVICES, IN…19,609$3M0.13%-4,00113F-HRTimeline
FORA Capital, LLC19,486$2.98M0.34%+1,78613F-HRTimeline
Kintegral Advisory, LLCin group Kintegral Advisory, LLC19,435$2.97M0.28%-90513F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\19,203$2.94M<0.01%-1,01113F-HRTimelineGroup
State of Alaska, Department of Revenue19,179$2.93M0.03%-5,69113F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…19,043$2.91M0.01%-1,03913F-HRTimeline
Mariner, LLCin group Mariner, LLC18,966$2.9M<0.01%-1,00113F-HRTimelineGroup
Tidal Investments LLCin group Tidal Investments LLC18,959$2.9M0.02%+9,94713F-HRTimelineGroup
Louisiana State Employees Retirement Sy…18,400$2.81M0.05%-90013F-HRTimeline
Public Sector Pension Investment Board18,362$2.81M0.01%+12,00113F-HRTimeline
State of Tennessee, Department of Treas…18,302$2.8M0.01%-1,02713F-HRTimeline
TRIGLAV INVESTMENTS, D.O.O.18,027$2.76M0.22%13F-HRTimeline
North Growth Management Ltd.18,000$2.73M0.52%+7,00013F-HRTimeline
Sumitomo Mitsui DS Asset Management Com…in group SUMITOMO MITSUI FINANCIAL GRO…17,761$2.72M0.03%-1,94113F-HRTimelineGroup
NEOS Investment Management LLC17,624$2.7M0.06%+2,74013F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…17,495$2.68M0.03%-3,31413F-HRTimelineGroup
UniSuper Management Pty Ltd16,485$2.52M0.02%-42,34513F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…16,443$2.51M<0.01%+11,50413F-HR/ATimeline
CLARK ESTATES INC/NY16,300$2.49M0.48%+15013F-HRTimeline
Generali Asset Management SPA SGR16,195$2.48M0.06%13F-HR/ATimeline
Elo Mutual Pension Insurance Co16,100$2.46M0.05%+3,21613F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…15,836$2.42M<0.01%-172,81713F-HRTimelineGroup
CWM, LLCin group CWM, LLC15,725$2.4M0.01%+12,44013F-HRTimelineGroup
iA Global Asset Management Inc.15,706$2.4M0.04%+85813F-HRTimeline
Avanza Fonder AB15,536$2.38M0.07%13F-HRTimeline
Old North State Wealth Management, LLC15,467$2.37M1.33%+1,93413F-HRTimeline
Vontobel Holding Ltd.in group Vontobel Holding Ltd.15,262$2.33M0.01%+4,10913F-HRTimelineGroup
Y-Intercept (Hong Kong) Ltd15,148$2.32M0.15%+7,97013F-HRTimeline
SYNOVUS FINANCIAL CORP14,954$2.29M0.03%+49213F-HRTimeline
Ethic Inc.14,912$2.28M0.05%+7,74313F-HRTimeline
OSTRUM ASSET MANAGEMENT14,881$2.28M0.2%-7,02313F-HRTimeline
Marathon Trading Investment Management …in group Marathon Trading Investment M…14,533$2.22M0.37%new13F-HRTimelineGroup
M&T Bank Corpin group M&T Bank Corp14,509$2.22M0.01%-1,72413F-HRTimelineGroup
LMR Partners LLPin group LMR Partners LLP14,500$2.22M0.04%+6,37913F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP14,446$2.21M0.16%+10,03913F-HRTimeline
GABELLI FUNDS LLCin group GAMCO Investors (Gabelli)14,100$2.16M0.02%013F-HRTimelineGroup
AUXIER ASSET MANAGEMENT LLC14,046$2.15M0.33%-2,13613F-HRTimeline
Leo Wealth, LLC13,932$2.13M0.19%-713F-HRTimeline
Caption Management, LLC13,875$2.12M0.09%+12,09513F-HRTimeline
MIZUHO SECURITIES USA LLC13,811$2.11M0.04%+4,36613F-HRTimeline
Parallax Volatility Advisers, L.P.13,690$2.09M0.05%-69813F-HRTimeline
Graham Capital Management, L.P.13,357$2.04M0.06%new13F-HRTimeline
Cetera Investment Advisers13,269$2.03M<0.01%+40013F-HRTimeline
BLAIR WILLIAM & CO/IL13,049$2M0.01%+89413F-HRTimeline
FARMERS TRUST CO12,849$1.96M0.37%new13F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP12,756$1.95M<0.01%-34,79813F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND12,488$1.91M0.04%+5213F-HRTimeline
Janney Montgomery Scott LLC12,321$1.88M0.01%-1,21813F-HRTimeline
INSPIRE TRUST CO, N.A.12,300$1.88M0.48%+1,40013F-HRTimeline
MYDA Advisors LLC12,000$1.84M0.52%new13F-HRTimeline
EVOKE WEALTH, LLC11,568$1.77M0.05%+11213F-HRTimeline
Federation des caisses Desjardins du Qu…11,396$1.74M0.01%+1,29213F-HRTimeline
FIRST FOUNDATION ADVISORSin group FIRST FOUNDATION ADVISORS11,352$1.74M0.07%+2,80013F-HRTimelineGroup
Gulf International Bank (UK) Ltd11,323$1.73M0.04%-11513F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…10,912$1.67M0.01%013F-HRTimeline
Daiichi Life Insurance Co., Ltd.in group Daiichi Life Insurance Co., L…10,719$1.64M0.05%013F-HRTimelineGroup
Pathstone Holdings, LLCin group Pathstone Holdings, LLC10,703$1.64M0.01%-32113F-HRTimelineGroup
Eisler Capital Management Ltd.10,611$1.59M0.05%13F-HRTimeline
E Fund Management Co., Ltd.10,227$1.56M0.08%+2,16613F-HRTimeline
B. Metzler seel. Sohn & Co. AGin group B. Metzler seel. Sohn & Co. AG10,128$1.55M0.02%+2,76713F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…10,119$1.55M0.03%+4,16313F-HRTimelineGroup
Walleye Capital LLCgroup of 2 filers holding10,040$1.54M-11,715Timeline
NORTHWESTERN MUTUAL INVESTMENT MANAGEME…group of 2 filers holding9,981$1.53M-1,304Timeline
TD Waterhouse Canada Inc.9,760$1.49M0.01%-1,57513F-HRTimeline
Canada Post Corp Registered Pension Plan9,718$1.49M0.09%13F-HRTimeline
CAPTRUST FINANCIAL ADVISORS9,712$1.49M<0.01%+3,21813F-HRTimeline
GROUPAMA ASSET MANAGMENT9,872$1.48M0.03%-10,65013F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP9,673$1.48M<0.01%-27,07313F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC9,250$1.41M0.01%new13F-HRTimeline
MONEY CONCEPTS CAPITAL CORP9,178$1.4M0.1%+6313F-HRTimeline
Provident Co of the Employees of the He…9,059$1.38M1.61%+4,41613F-HRTimeline
THOR INVESTMENT MANAGEMENT INC /OH/ /ADV8,970$1.37M1.06%+26013F-HRTimeline
HARTFORD INVESTMENT MANAGEMENT CO8,958$1.37M0.04%-17413F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.8,954$1.37M<0.01%-2,17613F-HR/ATimelineGroup
Quantitative Investment Management, LLC8,918$1.36M0.1%new13F-HRTimeline
DOHJ, LLC8,753$1.34M0.31%-73713F-HRTimeline
PEAK6 LLCin group PEAK6 LLC8,751$1.34M0.05%13F-HRTimelineGroup
Baird Financial Group, Inc.in group Baird Financial Group, Inc.8,660$1.32M<0.01%-20,78213F-HRTimelineGroup
Sterling Capital Management LLC8,636$1.32M0.02%+3,07113F-HRTimeline
TWIN CAPITAL MANAGEMENT INC8,513$1.3M0.14%+6313F-HRTimeline
HighTower Advisors, LLC8,385$1.28M<0.01%-3,04713F-HRTimeline
Cairn Investment Group, Inc.8,363$1.28M0.75%-3,15313F-HRTimeline
CORNERCAP INVESTMENT COUNSEL INC8,239$1.26M0.41%+1,17413F-HRTimeline
Symmetry Investments LPin group Symmetry Investments LP8,070$1.23M0.07%new13F-HRTimelineGroup
Maryland State Retirement & Pension Sys…8,064$1.23M0.03%-24013F-HRTimeline
Norinchukin Bank, Thein group Norinchukin Bank, The8,032$1.23M0.03%+71113F-HRTimelineGroup
WHITTIER TRUST CO OF NEVADA INC7,832$1.2M0.03%-7713F-HRTimeline
PKO Investment Management Joint-Stock Co7,800$1.19M0.15%+1,30013F-HRTimeline
SECURIAN ASSET MANAGEMENT, INC7,696$1.18M0.03%-30013F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…7,633$1.17M<0.01%-10613F-HRTimelineGroup
Premier Path Wealth Partners, LLC7,556$1.16M0.18%+1,54813F-HRTimeline
MML INVESTORS SERVICES, LLC7,515$1.15M<0.01%-2,76513F-HRTimeline
Marex Group Ltdin group Marex Group Ltd7,492$1.15M0.02%+3,62513F-HRTimelineGroup
LEVEL FOUR ADVISORY SERVICES, LLCin group LEVEL FOUR ADVISORY SERVICES,…7,469$1.14M0.05%-2,82813F-HRTimelineGroup
Harvest Fund Management Co., Ltdin group Harvest Fund Management Co., …8,576$1.12M0.05%+1,86613F-HRTimelineGroup
GUARDIAN INVESTMENT MANAGEMENT7,300$1.12M0.8%-2,86513F-HRTimeline
CI INVESTMENTS INC.in group CI INVESTMENTS INC.7,156$1.09M<0.01%+1,30213F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…7,138$1.09M0.03%+6,06413F-HRTimelineGroup
COMMERCE BANKin group COMMERCE BANK7,085$1.08M0.01%-2,83013F-HRTimelineGroup
Linden Thomas Advisory Services, LLC7,027$1.07M0.14%-45513F-HRTimeline
Varma Mutual Pension Insurance Co7,000$1.07M0.01%-34,60813F-HRTimeline
Metis Global Partners, LLC6,995$1.07M0.03%-1,37913F-HRTimeline
NEW MEXICO EDUCATIONAL RETIREMENT BOARD6,924$1.06M0.04%-20013F-HRTimeline
MOGY JOEL R INVESTMENT COUNSEL INC6,860$1.05M0.06%013F-HRTimeline
Orion Porfolio Solutions, LLC6,846$1.05M0.01%+75413F-HRTimeline
Orion Portfolio Solutions, LLC6,846$1.05M0.01%+75413F-HRTimeline
FULLER & THALER ASSET MANAGEMENT, INC.6,788$1.04M<0.01%+2,05313F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …6,843$1.03M<0.01%+18313F-HRTimelineGroup
WIN ADVISORS, INC6,686$1.02M0.49%new13F-HRTimeline
Advisors Asset Management, Inc.6,623$1.01M0.02%-7313F-HR/ATimeline
BI Asset Management Fondsmaeglerselskab…in group BI Asset Management Fondsmaeg…6,614$1.01M0.01%-55713F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV6,475$990K<0.01%+77913F-HRTimeline
E. Ohman J:or Asset Management AB6,399$979K0.02%+80013F-HRTimeline
World Investment Advisors6,311$965K0.03%+54513F-HRTimeline
LORING WOLCOTT & COOLIDGE FIDUCIARY ADV…6,479$964K0.01%013F-HRTimeline
Quantinno Capital Management LP6,284$961K0.01%+3,21513F-HRTimeline
CROWLEY WEALTH MANAGEMENT, INC.6,175$944K0.83%13F-HRTimeline
Ameritas Investment Partners, Inc.group of 2 filers holding6,056$926K-2,046Timeline
OMERS ADMINISTRATION Corp6,044$924K0.01%+1,01513F-HRTimeline
Private Advisor Group, LLC5,897$902K0.01%-3,74813F-HRTimeline
INCEPTIONR LLC5,805$888K0.2%-88913F-HRTimeline
Gifford Fong Associates5,750$879K0.22%013F-HRTimeline
Court Place Advisors, LLC5,688$870K0.28%-2,91313F-HRTimeline
Pallas Capital Advisors LLC5,651$864K0.04%+3,09513F-HRTimeline
North Star Investment Management Corp.5,622$860K0.06%013F-HRTimeline
Machina Capital S.A.S.5,605$857K0.36%+46113F-HRTimeline
Unison Advisors LLC5,078$777K0.09%013F-HRTimeline
GREENLEAF TRUST5,065$775K0.01%+2,45913F-HRTimeline
Cannell & Spears LLC5,055$773K0.02%013F-HRTimeline
Empirical Finance, LLC5,015$767K0.04%-5513F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP4,965$759K<0.01%+1,34613F-HRTimelineGroup
UNITED CAPITAL FINANCIAL ADVISORS, LLCin group UNITED CAPITAL FINANCIAL ADVI…4,874$745K0.01%-82,50113F-HRTimelineGroup
SYSTEMATIC FINANCIAL MANAGEMENT LP4,670$714K0.02%013F-HRTimeline
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO4,613$705K<0.01%-35813F-HRTimelineGroup
Hillsdale Investment Management Inc.4,610$705K0.04%new13F-HRTimeline
Howard Capital Management, LLC4,602$704K0.01%+15313F-HRTimeline
Hills Bank & Trust Coin group Hills Bank & Trust Co4,570$699K0.05%+20713F-HRTimelineGroup
Integrated Wealth Concepts LLC4,479$685K0.01%+2,90813F-HRTimeline
SHERBROOKE PARK ADVISERS LLC4,464$683K0.22%+1,91413F-HRTimeline
SIG BROKERAGE, LP4,411$675K0.32%13F-HRTimeline
Annis Gardner Whiting Capital Advisors,…4,409$674K0.19%-2713F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC4,395$672K0.01%+81513F-HRTimeline
EP Wealth Advisors, LLC4,391$671K0.01%+30113F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC4,360$667K0.04%+1,57013F-HRTimeline
Siemens Fonds Invest GmbH4,420$664K0.04%-1,10013F-HR/ATimeline
ALLSTATE CORPin group ALLSTATE CORP4,298$657K0.02%new13F-HRTimelineGroup