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RHUMBLINE ADVISERS

Position in BIIB — Biogen Inc.

CIK 1115418 BOSTON, MA

Position in BIIB

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$56,819,242
+$6,323,194 QoQ
Shares Held
262,979
-4.5% QoQ
Ownership
0.178%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#65
of 1,036 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 65% Shared 0% None 35%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $4,800,494,597 across 17 Drug Manufacturers - General names. BIIB ranks #9 (1.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in BIIB

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $56,819,242 262,979
2026-03-31 $50,496,048 275,438
2025-12-31 $47,824,578 271,746
2025-09-30 $40,511,976 289,206
2025-06-30 $37,695,461 300,147
2025-03-31 $40,544,870 296,294
2024-12-31 $41,072,935 268,591
2024-09-30 $53,172,056 274,309
2024-06-30 $65,884,634 284,206
2024-03-31 $60,084,005 278,644
2023-12-31 $71,950,222 278,047
2023-09-30 $71,590,649 278,552
2023-06-30 $79,967,649 280,736
2023-03-31 $77,787,233 279,780
2022-12-31 $77,151,296 278,605
2022-09-30 $72,956,682 273,246
2022-06-30 $53,669,666 263,164
2022-03-31 $52,852,176 250,960
2021-12-31 $65,665,864 273,699
2021-09-30 $76,246,844 269,433
2021-06-30 $94,995,365 274,339
2021-03-31 $82,223,280 293,917
2020-12-31 $75,778,293 309,476
2020-09-30 $100,077,765 352,784
2020-06-30 $95,565,916 357,189
2020-03-31 $112,478,468 355,517