PACIFIC BIOSCIENCES CALIF IN

Ticker: PACB CUSIP: 69404D108 Class: COM

VIKING GLOBAL INVESTORS LP's Holding History (CIK: 0001103804)

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

Q2 2021

Shares 1,273,659 Value ($000) $44,540 Avg Close $29.09 Range $20.22 - $37.42

Q1 2021

Shares 293,335 Value ($000) $9,771 Avg Close $35.00 Range $24.47 - $53.69

Q4 2020

Shares 1,562,915 Value ($000) $40,542 Avg Close $16.99 Range $9.97 - $29.73

Q3 2020

Shares 4,518,623 Value ($000) $44,599 Avg Close $5.76 Range $3.41 - $10.11

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	1,273,659	$44,540	$29.09	$20.22 - $37.42
Q1 2021	293,335	$9,771	$35.00	$24.47 - $53.69
Q4 2020	1,562,915	$40,542	$16.99	$9.97 - $29.73
Q3 2020	4,518,623	$44,599	$5.76	$3.41 - $10.11