ADAPTIVE BIOTECHNOLOGIES COR

Ticker: ADPT CUSIP: 00650F109 Class: Common Stock

BAKER BROS. ADVISORS LP's Holding History (CIK: 0001263508)

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

Q4 2020

Shares 379,682 Value ($000) $22,451 Avg Close $51.56 Range $44.30 - $65.69

Q3 2020

Shares 440,539 Value ($000) $21,423 Avg Close $42.03 Range $34.75 - $50.70

Q2 2020

Shares 463,539 Value ($000) $22,426 Avg Close $36.46 Range $23.68 - $48.43

Q1 2020

Shares 743,734 Value ($000) $20,661 Avg Close $27.89 Range $15.19 - $34.60

Q4 2019

Shares 1,115,411 Value ($000) $33,373 Avg Close $28.72 Range $24.05 - $34.78

Q3 2019

Shares 1,165,411 Value ($000) $36,011 Avg Close $40.81 Range $29.77 - $55.12

Q2 2019

Shares 1,165,411 Value ($000) $56,289 Avg Close $44.30 Range $36.21 - $48.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	379,682	$22,451	$51.56	$44.30 - $65.69
Q3 2020	440,539	$21,423	$42.03	$34.75 - $50.70
Q2 2020	463,539	$22,426	$36.46	$23.68 - $48.43
Q1 2020	743,734	$20,661	$27.89	$15.19 - $34.60
Q4 2019	1,115,411	$33,373	$28.72	$24.05 - $34.78
Q3 2019	1,165,411	$36,011	$40.81	$29.77 - $55.12
Q2 2019	1,165,411	$56,289	$44.30	$36.21 - $48.83