BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

TEACHERS INSURANCE & ANNUITY ASSOCIATION OF AMERICA's Holding History (CIK: 0000315038)

Note: Option positions (PUT/CALL) are excluded.

Q4 2017
Shares 1,924 Value ($000) $612 Avg Close $320.80 Range $301.81 - $348.84