CSM Advisors, LLC

SEC CIK: 0001863523
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

BIIB holding history

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

BIIB overview All 13F holders of BIIB Full Q2 2026 holdings

Shares (Q2 2026): 4,815
Value: $1.04M
% of portfolio: <0.1%
Quarters held: 22; Since Q1 2021

Holdings of BIIB by CSM Advisors, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	4,815	$1.04M	<0.1%	−493−9.3%	Reduced	Holders
Q1 2026	5,308	$974.0K	<0.1%	−173−3.2%	Reduced	Holders
Q4 2025	5,481	$964.0K	<0.1%	−2,490−31.2%	Reduced	Holders
Q3 2025	7,971	$1.12M	<0.1%	−19,488−71.0%	Reduced	Holders
Q2 2025	27,459	$3.45M	0.1%	−400−1.4%	Reduced	Holders
Q1 2025	27,859	$3.81M	0.2%	−300−1.1%	Reduced	Holders
Q4 2024	28,159	$4.30M	0.2%	+50+0.2%	Added	Holders
Q3 2024	28,109	$5.45M	0.4%	−300−1.1%	Reduced	Holders
Q2 2024	28,409	$6.59M	0.5%	00.0%	Unchanged	Holders
Q1 2024	28,409	$6.13M	0.4%	+270+1.0%	Added	Holders
Q4 2023	28,139	$7.28M	0.5%	−87−0.3%	Reduced	Holders
Q3 2023	28,226	$7.25M	0.6%	−590−2.0%	Reduced	Holders
Q2 2023	28,816	$8.20M	0.6%	−743−2.5%	Reduced	Holders
Q1 2023	29,559	$8.22M	0.7%	+1,800+6.5%	Added	Holders
Q4 2022	27,759	$7.69M	0.7%	−310−1.1%	Reduced	Holders
Q3 2022	28,069	$7.50M	0.8%	−9,650−25.6%	Reduced	Holders
Q2 2022	37,719	$7.69M	0.7%	+158+0.4%	Added	Holders
Q1 2022	37,561	$7.91M	0.5%	−2,900−7.2%	Reduced	Holders
Q4 2021	40,461	$9.71M	0.7%	−350−0.9%	Reduced	Holders
Q3 2021	40,811	$11.5M	0.9%	−100.0%	Reduced	Holders
Q2 2021	40,821	$14.1M	0.9%	−410−1.0%	Reduced	Holders
Q1 2021	41,231	$11.5M	1.6%	–	–	Holders

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