VAXCYTE INC

Ticker: PCVX CUSIP: 92243G108 Class: Common Stock

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q4 2025

Shares 450,000 Value ($000) $20,763 Avg Close $44.73 Range $36.15 - $50.27

Q3 2024

Shares 352,464 Value ($000) $40,276 Avg Close $90.12 Range $70.45 - $121.06

Q2 2024

Shares 300,000 Value ($000) $22,653 Avg Close $68.07 Range $58.10 - $79.78

Q1 2024

Shares 300,000 Value ($000) $20,493 Avg Close $69.25 Range $53.83 - $82.04

Q1 2022

Shares 1,304,741 Value ($000) $31,509 Avg Close $21.85 Range $16.78 - $26.60

Q4 2021

Shares 20,800 Value ($000) $495 Avg Close $23.26 Range $18.90 - $26.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	450,000	$20,763	$44.73	$36.15 - $50.27
Q3 2024	352,464	$40,276	$90.12	$70.45 - $121.06
Q2 2024	300,000	$22,653	$68.07	$58.10 - $79.78
Q1 2024	300,000	$20,493	$69.25	$53.83 - $82.04
Q1 2022	1,304,741	$31,509	$21.85	$16.78 - $26.60
Q4 2021	20,800	$495	$23.26	$18.90 - $26.45