TWIST BIOSCIENCE CORP

Ticker: TWST CUSIP: 90184D100 Class: Common Stock

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

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

Q3 2020

Shares 112,756 Value ($000) $8,566 Avg Close $62.26 Range $43.61 - $79.72

Q2 2020

Shares 272,756 Value ($000) $12,356 Avg Close $35.88 Range $25.72 - $45.64

Q1 2020

Shares 322,356 Value ($000) $10,380 Avg Close $26.88 Range $18.52 - $35.91

Q4 2019

Shares 215,856 Value ($000) $4,533 Avg Close $23.40 Range $20.45 - $28.23

Q3 2019

Shares 145,856 Value ($000) $3,483 Avg Close $29.07 Range $23.08 - $35.95

Q2 2019

Shares 110,856 Value ($000) $3,216 Avg Close $26.45 Range $20.30 - $34.33

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	112,756	$8,566	$62.26	$43.61 - $79.72
Q2 2020	272,756	$12,356	$35.88	$25.72 - $45.64
Q1 2020	322,356	$10,380	$26.88	$18.52 - $35.91
Q4 2019	215,856	$4,533	$23.40	$20.45 - $28.23
Q3 2019	145,856	$3,483	$29.07	$23.08 - $35.95
Q2 2019	110,856	$3,216	$26.45	$20.30 - $34.33