ETF exposure
Sprint 56All ETFs holding this ticker — weight, shares, and flow-of-funds impact.
Citable ownership snapshot
BIIB's latest 13F holder table lists AQR Capital Management as the largest holder in this view with 1,923,557 shares valued at $346.24M.
| Holder | Report date | Value | Portfolio weight |
|---|---|---|---|
| AQR Capital Management | Mar 31, 2026 | $346.24M | 0.2% |
| Point72 Asset Management | Mar 31, 2026 | $149.29M | 0.2% |
| Balyasny Asset Management | Mar 31, 2026 | $119.17M | 0.2% |
| Citadel Advisors | Mar 31, 2026 | $97.29M | 0.0% |
| Millennium Management | Mar 31, 2026 | $51.66M | 0.0% |
| Renaissance Technologies | Mar 31, 2026 | $37.29M | 0.1% |
| Bridgewater Associates | Jun 30, 2025 | $5.60M | 0.0% |
| D.E. Shaw & Co. | Mar 31, 2026 | $4.01M | 0.0% |
Source: SEC EDGAR 13F filings; period Mar 31, 2026; filed May 15, 2026.
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All ETFs holding this ticker — weight, shares, and flow-of-funds impact.