MTS SYS CORP

CUSIP: 553777103 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q3 2014
Shares 302,538 Value ($000) $20,651 Avg Close — Range —
Q2 2014
Shares 467,748 Value ($000) $31,694 Avg Close — Range —
Q1 2014
Shares 546,838 Value ($000) $37,453 Avg Close — Range —
Q4 2013
Shares 601,985 Value ($000) $42,892 Avg Close — Range —
Q3 2013
Shares 601,475 Value ($000) $38,705 Avg Close — Range —
Q2 2013
Shares 871,690 Value ($000) $49,338 Avg Close — Range —