VICOR CORP

Ticker: VICR CUSIP: 925815102 Class: Common Stock

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q4 2025

Shares 17,749 Value ($000) $1,945 Avg Close $85.01 Range $48.53 - $116.33

Q3 2025

Shares 11,015 Value ($000) $548 Avg Close $48.71 Range $41.76 - $63.00

Q2 2025

Shares 6,587 Value ($000) $299 Avg Close $44.69 Range $38.92 - $53.23

Q1 2025

Shares 18,802 Value ($000) $879 Avg Close $53.00 Range $45.45 - $65.70

Q1 2024

Shares 9,421 Value ($000) $360 Avg Close $38.87 Range $35.00 - $48.20

Q4 2023

Shares 12,296 Value ($000) $553 Avg Close $44.06 Range $35.48 - $60.38

Q3 2023

Shares 39,512 Value ($000) $2,327 Avg Close $66.28 Range $52.18 - $98.38

Q2 2023

Shares 25,237 Value ($000) $1,363 Avg Close $49.35 Range $40.71 - $62.00

Q1 2023

Shares 19,358 Value ($000) $909 Avg Close $55.47 Range $38.71 - $74.44

Q4 2022

Shares 11,988 Value ($000) $644 Avg Close $52.60 Range $42.90 - $65.35

Q3 2022

Shares 12,144 Value ($000) $718 Avg Close $66.01 Range $50.22 - $82.40

Q2 2022

Shares 21,720 Value ($000) $1,189 Avg Close $62.02 Range $52.17 - $74.38

Q1 2022

Shares 18,112 Value ($000) $1,275 Avg Close $89.81 Range $60.50 - $128.96

Q4 2021

Shares 40,381 Value ($000) $5,120 Avg Close $141.59 Range $112.60 - $164.76

Q3 2021

Shares 38,412 Value ($000) $5,137 Avg Close $119.49 Range $101.89 - $139.01

Q2 2021

Shares 24,134 Value ($000) $2,552 Avg Close $88.98 Range $74.08 - $106.50

Q1 2021

Shares 30,064 Value ($000) $2,581 Avg Close $94.14 Range $79.81 - $104.68

Q4 2020

Shares 31,000 Value ($000) $2,859 Avg Close $83.99 Range $73.71 - $96.64

Q3 2020

Shares 37,646 Value ($000) $2,927 Avg Close $79.56 Range $70.90 - $90.88

Q2 2020

Shares 38,825 Value ($000) $2,812 Avg Close $56.15 Range $37.28 - $73.76

Q1 2020

Shares 19,476 Value ($000) $867 Avg Close $47.42 Range $30.42 - $57.86

Q1 2019

Shares 3,689 Value ($000) $117 Avg Close $36.89 Range $28.76 - $49.27

Q4 2018

Shares 2,835 Value ($000) $112 Avg Close $36.53 Range $31.03 - $47.50

Q2 2018

Shares 18,865 Value ($000) $821 Avg Close $38.67 Range $27.10 - $52.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,749	$1,945	$85.01	$48.53 - $116.33
Q3 2025	11,015	$548	$48.71	$41.76 - $63.00
Q2 2025	6,587	$299	$44.69	$38.92 - $53.23
Q1 2025	18,802	$879	$53.00	$45.45 - $65.70
Q1 2024	9,421	$360	$38.87	$35.00 - $48.20
Q4 2023	12,296	$553	$44.06	$35.48 - $60.38
Q3 2023	39,512	$2,327	$66.28	$52.18 - $98.38
Q2 2023	25,237	$1,363	$49.35	$40.71 - $62.00
Q1 2023	19,358	$909	$55.47	$38.71 - $74.44
Q4 2022	11,988	$644	$52.60	$42.90 - $65.35
Q3 2022	12,144	$718	$66.01	$50.22 - $82.40
Q2 2022	21,720	$1,189	$62.02	$52.17 - $74.38
Q1 2022	18,112	$1,275	$89.81	$60.50 - $128.96
Q4 2021	40,381	$5,120	$141.59	$112.60 - $164.76
Q3 2021	38,412	$5,137	$119.49	$101.89 - $139.01
Q2 2021	24,134	$2,552	$88.98	$74.08 - $106.50
Q1 2021	30,064	$2,581	$94.14	$79.81 - $104.68
Q4 2020	31,000	$2,859	$83.99	$73.71 - $96.64
Q3 2020	37,646	$2,927	$79.56	$70.90 - $90.88
Q2 2020	38,825	$2,812	$56.15	$37.28 - $73.76
Q1 2020	19,476	$867	$47.42	$30.42 - $57.86
Q1 2019	3,689	$117	$36.89	$28.76 - $49.27
Q4 2018	2,835	$112	$36.53	$31.03 - $47.50
Q2 2018	18,865	$821	$38.67	$27.10 - $52.05