Skip to main content
Livermore
Livermore
ZHEN

Pacer Advisors, Inc.

SEC CIK
0001616667
Latest filing
Aug 13, 2026

BIIB holding history

Biogen Inc. in every 13F filed by Pacer Advisors, Inc., 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)
1,122,981
Value
$242.6M
% of portfolio
0.6%
Quarters held
22
Since Q1 2021
Holdings of BIIB by Pacer Advisors, Inc., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,122,981$242.6M0.6%+462,573+70.0%AddedHolders
Q1 2026660,408$121.1M0.3%−485,482−42.4%ReducedHolders
Q4 20251,145,890$201.7M0.5%−305,359−21.0%ReducedHolders
Q3 20251,451,249$203.3M0.5%+131,258+9.9%AddedHolders
Q2 20251,319,991$165.8M0.4%−32,569−2.4%ReducedHolders
Q1 20251,352,560$185.1M0.4%−1,314,971−49.3%ReducedHolders
Q4 20242,667,531$407.9M0.9%+2,648,024+13,574.7%AddedHolders
Q3 202419,507$3.78M<0.1%+441+2.3%AddedHolders
Q2 202419,066$4.42M<0.1%+2,149+12.7%AddedHolders
Q1 202416,917$3.65M<0.1%−12,012−41.5%ReducedHolders
Q4 202328,929$7.49M<0.1%+12,343+74.4%AddedHolders
Q3 202316,586$4.26M<0.1%+1,806+12.2%AddedHolders
Q2 202314,780$4.21M<0.1%−2,180−12.9%ReducedHolders
Q1 202316,960$4.72M<0.1%+12,157+253.1%AddedHolders
Q4 20224,803$1.33M<0.1%−342,262−98.6%ReducedHolders
Q3 2022347,065$92.7M0.6%−140,561−28.8%ReducedHolders
Q2 2022487,626$99.4M0.7%+163,478+50.4%AddedHolders
Q1 2022324,148$68.3M0.6%+311,731+2,510.5%AddedHolders
Q4 202112,417$2.98M<0.1%−3,235−20.7%ReducedHolders
Q3 202115,652$4.43M0.1%−39,494−71.6%ReducedHolders
Q2 202155,146$19.1M0.3%+18,151+49.1%AddedHolders
Q1 202136,995$10.3M0.2%––Holders

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