VANGUARD WORLD FDS

Ticker: VHT CUSIP: 92204A504 Class: HEALTH CAR ETF

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q1 2015
Shares 6,600 Value ($000) $894 Avg Close — Range —