VICOR CORP

Ticker: VICR CUSIP: 925815102 Class: Common Stock

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q4 2025

Shares 48,721 Value ($000) $5,340 Avg Close $85.01 Range $48.53 - $116.33

Q3 2023

Shares 66,393 Value ($000) $3,910 Avg Close $66.28 Range $52.18 - $98.38

Q2 2023

Shares 262,724 Value ($000) $14,187 Avg Close $49.35 Range $40.71 - $62.00

Q3 2020

Shares 6,709 Value ($000) $521 Avg Close $79.56 Range $70.90 - $90.88

Q2 2020

Shares 20,165 Value ($000) $1,451 Avg Close $56.15 Range $37.28 - $73.76

Q1 2020

Shares 34,358 Value ($000) $1,530 Avg Close $47.42 Range $30.42 - $57.86

Q4 2019

Shares 153,816 Value ($000) $7,186 Avg Close $38.08 Range $28.69 - $46.89

Q1 2014

Shares 59,702 Value ($000) $609 Avg Close $11.21 Range $9.63 - $13.81

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	48,721	$5,340	$85.01	$48.53 - $116.33
Q3 2023	66,393	$3,910	$66.28	$52.18 - $98.38
Q2 2023	262,724	$14,187	$49.35	$40.71 - $62.00
Q3 2020	6,709	$521	$79.56	$70.90 - $90.88
Q2 2020	20,165	$1,451	$56.15	$37.28 - $73.76
Q1 2020	34,358	$1,530	$47.42	$30.42 - $57.86
Q4 2019	153,816	$7,186	$38.08	$28.69 - $46.89
Q1 2014	59,702	$609	$11.21	$9.63 - $13.81