ONCOMED PHARMACEUTICALS INC

CUSIP: 68234X102 Class: COM

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q1 2019
Shares 5,451,400 Value ($000) $5,669 Avg Close — Range —
Q4 2018
Shares 5,506,300 Value ($000) $4,115 Avg Close — Range —
Q3 2018
Shares 5,698,700 Value ($000) $12,081 Avg Close — Range —
Q2 2018
Shares 5,563,700 Value ($000) $12,852 Avg Close — Range —
Q1 2018
Shares 5,566,900 Value ($000) $17,703 Avg Close — Range —
Q4 2017
Shares 5,565,600 Value ($000) $22,819 Avg Close — Range —
Q3 2017
Shares 5,565,900 Value ($000) $25,158 Avg Close — Range —
Q2 2017
Shares 5,553,600 Value ($000) $18,493 Avg Close — Range —
Q1 2017
Shares 1,906,600 Value ($000) $17,560 Avg Close — Range —
Q4 2016
Shares 1,800,700 Value ($000) $13,883 Avg Close — Range —
Q3 2016
Shares 1,302,700 Value ($000) $14,890 Avg Close — Range —
Q2 2016
Shares 215,800 Value ($000) $2,656 Avg Close — Range —
Q1 2016
Shares 215,800 Value ($000) $2,182 Avg Close — Range —
Q4 2015
Shares 191,800 Value ($000) $4,323 Avg Close — Range —
Q3 2015
Shares 190,800 Value ($000) $3,165 Avg Close — Range —
Q2 2015
Shares 190,800 Value ($000) $4,293 Avg Close — Range —
Q1 2015
Shares 206,293 Value ($000) $5,318 Avg Close — Range —
Q4 2014
Shares 218,400 Value ($000) $4,752 Avg Close — Range —
Q3 2014
Shares 218,400 Value ($000) $4,134 Avg Close — Range —
Q2 2014
Shares 266,400 Value ($000) $6,207 Avg Close — Range —
Q1 2014
Shares 340,700 Value ($000) $11,465 Avg Close — Range —
Q4 2013
Shares 340,700 Value ($000) $10,057 Avg Close — Range —
Q3 2013
Shares 244,700 Value ($000) $3,746 Avg Close — Range —