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Sofinnova Investments, Inc.

Position in BIIB — Biogen Inc.

CIK 1631134 Menlo Park, CA

Position in BIIB

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$42,078,084
+$5,211,306 QoQ
Shares Held
229,521
+73.1% QoQ
Ownership
0.155%
of shares outstanding
% of Portfolio
2.11%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

Sofinnova Investments, Inc. holds $93,878,265 across 2 Drug Manufacturers - General names.

# Ticker Company Shares Value (USD) Open

All Filings in BIIB

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $42,078,084 229,521
2023-03-31 $36,866,778 132,600
2021-09-30 $9,400,927 33,220
2021-06-30 $38,297,462 110,600
2020-03-31 $16,650,446 52,628