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Livermore
Livermore
ZHEN

Bokf, NA

SEC CIK
0000009634
Latest filing
Aug 10, 2026

BIIB holding history

Biogen Inc. in every 13F filed by Bokf, NA, 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)
8,918
Value
$1.93M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of BIIB by Bokf, NA, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20268,918$1.93M<0.1%−801−8.2%ReducedHolders
Q1 20269,719$1.78M<0.1%−5,149−34.6%ReducedHolders
Q4 202514,868$2.62M<0.1%−5,412−26.7%ReducedHolders
Q3 202520,280$2.84M<0.1%−1,131−5.3%ReducedHolders
Q2 202521,411$2.69M<0.1%−1,251−5.5%ReducedHolders
Q1 202522,662$3.10M0.1%+1,810+8.7%AddedHolders
Q4 202420,852$3.10M0.1%−3,357−13.9%ReducedHolders
Q3 202424,209$4.47M0.1%−619−2.5%ReducedHolders
Q2 202424,828$5.76M0.1%−970−3.8%ReducedHolders
Q1 202425,798$5.54M0.1%−8,556−24.9%ReducedHolders
Q4 202334,354$8.89M0.2%−8,607−20.0%ReducedHolders
Q3 202342,961$10.2M0.2%+15,583+56.9%AddedHolders
Q2 202327,378$7.80M0.2%+5,424+24.7%AddedHolders
Q1 202321,954$6.10M0.1%−6,894−23.9%ReducedHolders
Q4 202228,848$7.99M0.1%+147+0.5%AddedHolders
Q3 202228,701$7.66M0.2%+9,421+48.9%AddedHolders
Q2 202219,280$3.93M0.1%−72−0.4%ReducedHolders
Q1 202219,352$4.08M0.1%−20−0.1%ReducedHolders
Q4 202119,372$4.65M0.1%−7,135−26.9%ReducedHolders
Q3 202126,507$7.50M0.1%–No prior filingHolders
Q2 2021––––Not filedHolders
Q1 202119,088$5.34M0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.