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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
FIRST UNITED BANK & TRUST20$2.74K<0.01%013F-HRTimeline
Indiana Trust & Investment Management Co20$2.74K<0.01%-2513F-HRTimeline
Minot DeBlois Advisors LLC20$2.74K<0.01%-1213F-HRTimeline
Compagnie Lombard Odier SCmA20$2.74K<0.01%-40013F-HRTimeline
Beacon Capital Management, LLC20$2.74K<0.01%new13F-HRTimeline
Hexagon Capital Partners LLC19$2.6K<0.01%-1813F-HRTimeline
Abound Wealth Management18$2.46K<0.01%-313F-HRTimeline
HARBOR INVESTMENT ADVISORY, LLC18$2.46K<0.01%013F-HRTimeline
AMERIFLEX GROUP, INC.18$2.46K<0.01%013F-HRTimeline
Darwin Wealth Management, LLC16$2.45K<0.01%013F-HRTimeline
Plante Moran Financial Advisors, LLC17$2.33K<0.01%013F-HRTimeline
WOLFF WIESE MAGANA LLC16$2.19K<0.01%013F-HRTimeline
Rialto Wealth Management, LLC16$2.19K<0.01%new13F-HRTimeline
Winch Advisory Services, LLC16$2.19K<0.01%013F-HRTimeline
Hughes Financial Services, LLC16$2.11K<0.01%new13F-HRTimeline
AdvisorNet Financial, Inc15$2.05K<0.01%-4713F-HRTimeline
CarsonAllaria Wealth Management, Ltd.15$2.05K<0.01%013F-HRTimeline
Accredited Wealth Management, LLC15$2.05K<0.01%013F-HRTimeline
Fortis Group Advisors, LLC15$2.05K<0.01%013F-HRTimeline
HOLLENCREST CAPITAL MANAGEMENT13$1.78K<0.01%013F-HRTimeline
NVWM, LLC13$1.78K<0.01%+913F-HRTimeline
Red Tortoise LLC13$1.78K<0.01%-3513F-HRTimeline
New England Capital Financial Advisors …13$1.78K<0.01%-5013F-HRTimeline
Cornerstone Planning Group LLC14$1.65K<0.01%-913F-HRTimeline
Addison Advisors LLC12$1.64K<0.01%-7413F-HRTimeline
TD PRIVATE CLIENT WEALTH LLC12$1.64K<0.01%-4013F-HRTimeline
Bernard Wealth Management Corp.11$1.51K<0.01%013F-HRTimeline
Park Place Capital Corp11$1.5K<0.01%new13F-HRTimeline
Stonebridge Financial Group, LLC11$1.5K<0.01%+113F-HRTimeline
Dunhill Financial, LLC10$1.39K<0.01%-14213F-HRTimeline
Hurley Capital, LLC10$1.37K<0.01%new13F-HRTimeline
1 NORTH WEALTH SERVICES LLC10$1.37K<0.01%new13F-HRTimeline
Cromwell Holdings LLC10$1.37K<0.01%-33313F-HRTimeline
Strategic Investment Solutions, Inc. /IL10$1.37K<0.01%013F-HRTimeline
Wealth Preservation Advisors, LLC9$1.23K<0.01%13F-HRTimeline
Global Financial Private Client, LLC8$1.09K<0.01%+313F-HRTimeline
WealthTrak Capital Management LLC8$1.09K<0.01%+713F-HRTimeline
Penserra Capital Management LLCin group Penserra Capital Management L…12$1K<0.01%-37013F-HRTimelineGroup
Beutel, Goodman & Co Ltd.10$1K<0.01%-1,746,46713F-HR/ATimeline
CBIZ Investment Advisory Services, LLC7$958<0.01%013F-HR/ATimeline
Cape Investment Advisory, Inc.7$958<0.01%-613F-HRTimeline
Noble Wealth Management PBC7$958<0.01%013F-HRTimeline
Fairman Group, LLC6$918<0.01%013F-HRTimeline
ALBION FINANCIAL GROUP /UT6$822<0.01%013F-HRTimeline
DHJJ Financial Advisors, Ltd.6$822<0.01%-613F-HRTimeline
WestEnd Advisors, LLC6$821<0.01%+413F-HRTimeline
SOA Wealth Advisors, LLC.6$821<0.01%013F-HRTimeline
LRI Investments, LLC6$821<0.01%013F-HRTimeline
ATWOOD & PALMER INC5$685<0.01%013F-HRTimeline
EVERMAY WEALTH MANAGEMENT LLC5$685<0.01%013F-HRTimeline
Colonial Trust Co / SCin group Colonial Trust Advisors5$684<0.01%-18313F-HRTimelineGroup
WINNACLE WEALTH LLC4$539<0.01%+113F-HRTimeline
JFS WEALTH ADVISORS, LLC3$411<0.01%-313F-HRTimeline
Gould Capital, LLC3$411<0.01%013F-HRTimeline
Nova Wealth Management, Inc.3$411<0.01%new13F-HR/ATimeline
WPG Advisers, LLC3$411<0.01%-613F-HRTimeline
CURIO WEALTH, LLC1$306<0.01%new13F-HRTimeline
American Capital Advisory, LLC2$282<0.01%+213F-HRTimeline
MPWM ADVISORY SOLUTIONS, LLC2$274<0.01%013F-HRTimeline
BROWN, LISLE/CUMMINGS, INC.1$137<0.01%new13F-HRTimeline
Valued Wealth Advisors LLC1$137<0.01%-213F-HRTimeline
HFM Investment Advisors, LLC1$137<0.01%13F-HRTimeline
ROSS\JOHNSON & Associates LLC1$136<0.01%new13F-HRTimeline
Quest 10 Wealth Builders, Inc.1$107<0.01%new13F-HRTimeline
West Oak Capital, LLC45$62<0.01%013F-HRTimeline
McClarren Financial Advisors, Inc.2$00%new13F-HRTimelineValue filed as zero, left out of ratios.
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0-713F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.
Activest Wealth Management0$00%-113F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.