DOSSIER · 13F Holders · Q2 2026

BIOGEN INC CVR

1 institutions still hold BIOGEN INC CVR as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 264CVR36D·1 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
—
visible holders
Holders
1
filers reporting
Concentration
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RHUMBLINE ADVISERS #1
top holder share
AI Holders Summary · Q2 2026

1 institutions reported BIOGEN INC CVR in Q2 2026. Top-holder concentration data is loading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
RHUMBLINE ADVISERS
CIK 0001115418
$0124K0.00%Q2 2026