JUNO THERAPEUTICS INC

CUSIP: 48205A109 Class: COM

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

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

Q1 2015
Shares 1,007,324 Value ($000) $61,104 Avg Close — Range —
Q4 2014
Shares 1,150,084 Value ($000) $58,917 Avg Close — Range —