Skip to main content
Livermore
Livermore
ZHEN

STRS Ohio

SEC CIK
0000820478
Latest filing
Jul 30, 2026

BIIB holding history

Biogen Inc. in every 13F filed by STRS Ohio, 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)
93,794
Value
$20.3M
% of portfolio
0.1%
Quarters held
19
Since Q1 2021
Holdings of BIIB by STRS Ohio, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202693,794$20.3M0.1%+90,300+2,584.4%AddedHolders
Q1 20263,494$640.6K<0.1%−5−0.1%ReducedHolders
Q4 20253,499$615.8K<0.1%+6+0.2%AddedHolders
Q3 20253,493$489.3K<0.1%+10.0%AddedHolders
Q2 20253,492$438.6K<0.1%−30,508−89.7%ReducedHolders
Q1 202534,000$4.65M<0.1%00.0%UnchangedHolders
Q4 202434,000$5.20M<0.1%−15,000−30.6%ReducedHolders
Q3 202449,000$9.50M<0.1%00.0%UnchangedHolders
Q2 202449,000$11.4M<0.1%+49,000NewHolders
Q1 20240$00.0%−5,825−100.0%Sold outHolders
Q4 20235,825$1.51M<0.1%−81,114−93.3%ReducedHolders
Q3 202386,939$22.3M0.1%−46,977−35.1%ReducedHolders
Q2 2023133,916$38.1M0.2%−2,837−2.1%ReducedHolders
Q1 2023136,753$38.0M0.2%+203+0.1%AddedHolders
Q4 2022136,550$37.8M0.2%+136,550NewHolders
Q2 20220$00.0%−45,733−100.0%Sold outHolders
Q1 202245,733$9.63M<0.1%−5,412−10.6%ReducedHolders
Q4 202151,145$12.3M<0.1%−3,692−6.7%ReducedHolders
Q3 202154,837$15.5M0.1%−9,915−15.3%ReducedHolders
Q2 202164,752$22.4M0.1%−3,063−4.5%ReducedHolders
Q1 202167,815$19.0M0.1%––Holders

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