VICOR CORP

Ticker: VICR CUSIP: 925815102 Class: Common Stock

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2025

Shares 108,661 Value ($000) $11,909 Avg Close $85.01 Range $48.53 - $116.33

Q3 2025

Shares 110,760 Value ($000) $5,507 Avg Close $48.71 Range $41.76 - $63.00

Q2 2025

Shares 125,465 Value ($000) $5,691 Avg Close $44.69 Range $38.92 - $53.23

Q1 2025

Shares 114,891 Value ($000) $5,375 Avg Close $53.00 Range $45.45 - $65.70

Q4 2024

Shares 112,125 Value ($000) $5,418 Avg Close $49.95 Range $39.99 - $61.05

Q3 2024

Shares 108,672 Value ($000) $4,575 Avg Close $37.21 Range $32.36 - $45.37

Q2 2024

Shares 112,105 Value ($000) $3,717 Avg Close $34.51 Range $30.90 - $38.90

Q1 2024

Shares 117,567 Value ($000) $4,496 Avg Close $38.87 Range $35.00 - $48.20

Q4 2023

Shares 117,321 Value ($000) $5,272 Avg Close $44.06 Range $35.48 - $60.38

Q3 2023

Shares 175,180 Value ($000) $10,316 Avg Close $66.28 Range $52.18 - $98.38

Q2 2023

Shares 85,081 Value ($000) $4,594 Avg Close $49.35 Range $40.71 - $62.00

Q1 2023

Shares 88,439 Value ($000) $4,151 Avg Close $55.47 Range $38.71 - $74.44

Q4 2022

Shares 87,960 Value ($000) $4,728 Avg Close $52.60 Range $42.90 - $65.35

Q3 2022

Shares 87,438 Value ($000) $5,171 Avg Close $66.01 Range $50.22 - $82.40

Q2 2022

Shares 86,158 Value ($000) $4,715 Avg Close $62.02 Range $52.17 - $74.38

Q1 2022

Shares 87,225 Value ($000) $6,153 Avg Close $89.81 Range $60.50 - $128.96

Q4 2021

Shares 94,023 Value ($000) $11,939 Avg Close $141.59 Range $112.60 - $164.76

Q3 2021

Shares 149,918 Value ($000) $20,113 Avg Close $119.49 Range $101.89 - $139.01

Q2 2021

Shares 150,630 Value ($000) $15,928 Avg Close $88.98 Range $74.08 - $106.50

Q1 2021

Shares 149,899 Value ($000) $12,746 Avg Close $94.14 Range $79.81 - $104.68

Q4 2020

Shares 150,148 Value ($000) $13,846 Avg Close $83.99 Range $73.71 - $96.64

Q3 2020

Shares 152,944 Value ($000) $11,889 Avg Close $79.56 Range $70.90 - $90.88

Q2 2020

Shares 141,099 Value ($000) $10,153 Avg Close $56.15 Range $37.28 - $73.76

Q1 2020

Shares 139,089 Value ($000) $6,195 Avg Close $47.42 Range $30.42 - $57.86

Q4 2019

Shares 144,843 Value ($000) $6,767 Avg Close $38.08 Range $28.69 - $46.89

Q3 2019

Shares 143,965 Value ($000) $4,250 Avg Close $30.85 Range $26.50 - $34.58

Q2 2019

Shares 130,316 Value ($000) $4,046 Avg Close $32.14 Range $27.82 - $38.98

Q1 2019

Shares 130,331 Value ($000) $4,043 Avg Close $36.89 Range $28.76 - $49.27

Q4 2018

Shares 131,460 Value ($000) $4,968 Avg Close $36.53 Range $31.03 - $47.50

Q3 2018

Shares 129,613 Value ($000) $5,962 Avg Close $54.98 Range $43.27 - $64.50

Q2 2018

Shares 127,666 Value ($000) $5,560 Avg Close $38.67 Range $27.10 - $52.05

Q1 2018

Shares 124,728 Value ($000) $3,561 Avg Close $21.48 Range $16.30 - $29.00

Q4 2017

Shares 121,769 Value ($000) $2,545 Avg Close $22.39 Range $20.00 - $25.65

Q3 2017

Shares 122,336 Value ($000) $2,887 Avg Close $18.86 Range $16.85 - $23.75

Q2 2017

Shares 122,722 Value ($000) $2,197 Avg Close $17.78 Range $15.50 - $20.65

Q1 2017

Shares 121,519 Value ($000) $1,956 Avg Close $15.43 Range $13.90 - $16.75

Q4 2016

Shares 117,256 Value ($000) $1,771 Avg Close $13.82 Range $11.35 - $16.15

Q3 2016

Shares 115,525 Value ($000) $1,340 Avg Close $10.82 Range $9.61 - $12.19

Q2 2016

Shares 116,055 Value ($000) $1,169 Avg Close $9.94 Range $8.75 - $11.07

Q1 2016

Shares 112,942 Value ($000) $1,184 Avg Close $8.61 Range $7.00 - $11.00

Q4 2015

Shares 108,538 Value ($000) $990 Avg Close $9.64 Range $8.83 - $10.74

Q3 2015

Shares 103,691 Value ($000) $1,058 Avg Close $10.38 Range $8.88 - $12.42

Q2 2015

Shares 101,466 Value ($000) $1,237 Avg Close $14.67 Range $11.07 - $17.72

Q1 2015

Shares 103,041 Value ($000) $1,566 Avg Close $12.92 Range $10.70 - $15.96

Q4 2014

Shares 100,443 Value ($000) $1,215 Avg Close $11.85 Range $8.43 - $13.96

Q3 2014

Shares 99,718 Value ($000) $937 Avg Close $8.32 Range $7.20 - $10.20

Q2 2014

Shares 110,278 Value ($000) $924 Avg Close $8.11 Range $6.76 - $11.25

Q1 2014

Shares 109,804 Value ($000) $1,120 Avg Close $11.21 Range $9.63 - $13.81

Q4 2013

Shares 105,706 Value ($000) $1,419 Avg Close $9.95 Range $7.42 - $14.11

Q3 2013

Shares 99,103 Value ($000) $811 Avg Close $7.98 Range $6.45 - $9.04

Q2 2013

Shares 95,621 Value ($000) $655 Avg Close $5.37 Range $4.79 - $6.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	108,661	$11,909	$85.01	$48.53 - $116.33
Q3 2025	110,760	$5,507	$48.71	$41.76 - $63.00
Q2 2025	125,465	$5,691	$44.69	$38.92 - $53.23
Q1 2025	114,891	$5,375	$53.00	$45.45 - $65.70
Q4 2024	112,125	$5,418	$49.95	$39.99 - $61.05
Q3 2024	108,672	$4,575	$37.21	$32.36 - $45.37
Q2 2024	112,105	$3,717	$34.51	$30.90 - $38.90
Q1 2024	117,567	$4,496	$38.87	$35.00 - $48.20
Q4 2023	117,321	$5,272	$44.06	$35.48 - $60.38
Q3 2023	175,180	$10,316	$66.28	$52.18 - $98.38
Q2 2023	85,081	$4,594	$49.35	$40.71 - $62.00
Q1 2023	88,439	$4,151	$55.47	$38.71 - $74.44
Q4 2022	87,960	$4,728	$52.60	$42.90 - $65.35
Q3 2022	87,438	$5,171	$66.01	$50.22 - $82.40
Q2 2022	86,158	$4,715	$62.02	$52.17 - $74.38
Q1 2022	87,225	$6,153	$89.81	$60.50 - $128.96
Q4 2021	94,023	$11,939	$141.59	$112.60 - $164.76
Q3 2021	149,918	$20,113	$119.49	$101.89 - $139.01
Q2 2021	150,630	$15,928	$88.98	$74.08 - $106.50
Q1 2021	149,899	$12,746	$94.14	$79.81 - $104.68
Q4 2020	150,148	$13,846	$83.99	$73.71 - $96.64
Q3 2020	152,944	$11,889	$79.56	$70.90 - $90.88
Q2 2020	141,099	$10,153	$56.15	$37.28 - $73.76
Q1 2020	139,089	$6,195	$47.42	$30.42 - $57.86
Q4 2019	144,843	$6,767	$38.08	$28.69 - $46.89
Q3 2019	143,965	$4,250	$30.85	$26.50 - $34.58
Q2 2019	130,316	$4,046	$32.14	$27.82 - $38.98
Q1 2019	130,331	$4,043	$36.89	$28.76 - $49.27
Q4 2018	131,460	$4,968	$36.53	$31.03 - $47.50
Q3 2018	129,613	$5,962	$54.98	$43.27 - $64.50
Q2 2018	127,666	$5,560	$38.67	$27.10 - $52.05
Q1 2018	124,728	$3,561	$21.48	$16.30 - $29.00
Q4 2017	121,769	$2,545	$22.39	$20.00 - $25.65
Q3 2017	122,336	$2,887	$18.86	$16.85 - $23.75
Q2 2017	122,722	$2,197	$17.78	$15.50 - $20.65
Q1 2017	121,519	$1,956	$15.43	$13.90 - $16.75
Q4 2016	117,256	$1,771	$13.82	$11.35 - $16.15
Q3 2016	115,525	$1,340	$10.82	$9.61 - $12.19
Q2 2016	116,055	$1,169	$9.94	$8.75 - $11.07
Q1 2016	112,942	$1,184	$8.61	$7.00 - $11.00
Q4 2015	108,538	$990	$9.64	$8.83 - $10.74
Q3 2015	103,691	$1,058	$10.38	$8.88 - $12.42
Q2 2015	101,466	$1,237	$14.67	$11.07 - $17.72
Q1 2015	103,041	$1,566	$12.92	$10.70 - $15.96
Q4 2014	100,443	$1,215	$11.85	$8.43 - $13.96
Q3 2014	99,718	$937	$8.32	$7.20 - $10.20
Q2 2014	110,278	$924	$8.11	$6.76 - $11.25
Q1 2014	109,804	$1,120	$11.21	$9.63 - $13.81
Q4 2013	105,706	$1,419	$9.95	$7.42 - $14.11
Q3 2013	99,103	$811	$7.98	$6.45 - $9.04
Q2 2013	95,621	$655	$5.37	$4.79 - $6.95