Knott David M Jr

SEC CIK: 0001892770
Latest filing: Aug 12, 2026

SEC filings (opens in a new tab)

BIIB holding history

Biogen Inc. in every 13F filed by Knott David M Jr, 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): 4,000
Value: $864.2K
% of portfolio: 0.5%
Quarters held: 4; Since Q3 2025

Holdings of BIIB by Knott David M Jr, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	4,000	$864.2K	0.5%	00.0%	Unchanged	Holders
Q1 2026	4,000	$733.3K	0.4%	−2,000−33.3%	Reduced	Holders
Q4 2025	6,000	$1.06M	0.5%	+4,000+200.0%	Added	Holders
Q3 2025	2,000	$280.2K	0.1%	+2,000	New	Holders