Skip to main content
Livermore
Livermore
ZHEN

TFB Advisors LLC

SEC CIK
0001965201
Latest filing
Aug 6, 2026

BIIB holding history

Biogen Inc. in every 13F filed by TFB Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

BIIB overviewAll 13F holders of BIIBFull Q2 2026 holdings

Shares (Q2 2026)
2,424
Value
$523.7K
% of portfolio
0.2%
Quarters held
13
Since Q2 2023
Holdings of BIIB by TFB Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20262,424$523.7K0.2%+10.0%AddedHolders
Q1 20262,423$444.2K0.2%−25−1.0%ReducedHolders
Q4 20252,448$430.8K0.1%00.0%UnchangedHolders
Q3 20252,448$355.7K0.1%−23−0.9%ReducedHolders
Q2 20252,471$310.3K0.1%+32+1.3%AddedHolders
Q1 20252,439$333.8K0.1%+5+0.2%AddedHolders
Q4 20242,434$372.2K0.1%−13−0.5%ReducedHolders
Q3 20242,447$474.3K0.1%−2−0.1%ReducedHolders
Q2 20242,449$567.7K0.2%−10.0%ReducedHolders
Q1 20242,450$529.5K0.2%+50+2.1%AddedHolders
Q4 20232,400$621.0K0.3%−44−1.8%ReducedHolders
Q3 20232,444$628.1K0.8%+2+0.1%AddedHolders
Q2 20232,442$695.6K0.3%+2,442NewHolders