INTREXON CORP

CUSIP: 46122T102 Class: COM

TCW GROUP INC's Holding History (CIK: 0000850401)

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

Q1 2014
Shares 82,644 Value ($000) $2,173 Avg Close — Range —
Q4 2013
Shares 73,682 Value ($000) $1,754 Avg Close — Range —
Q3 2013
Shares 97,566 Value ($000) $2,312 Avg Close — Range —