Pacific Biosciences Of California Inc. (PACB): Bridger Management Ups Its Stake

Page 3 of 6 – SEC Filing

CUSIP No. 69404D108

1	NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (ENTITIES ONLY) Roberto Mignone
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*	(a) o (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States

NUMBER OF SHARES	5	SOLE VOTING POWER 0
BENEFICIALLY OWNED BY	6	SHARED VOTING POWER 4,462,170
EACH REPORTING	7	SOLE DISPOSITIVE POWER 0
PERSON WITH	8	SHARED DISPOSITIVE POWER 4,462,170

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,462,170
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*	o
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.1%*
12	TYPE OF REPORTING PERSON* IN