NIDEC CORP

Ticker: NJDCY CUSIP: 654090109 Class: ADR

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q1 2016
Shares 175,169 Value ($000) $3,004 Avg Close — Range —
Q4 2015
Shares 176,777 Value ($000) $3,224 Avg Close — Range —
Q3 2015
Shares 91,040 Value ($000) $1,578 Avg Close — Range —