Security Snapshot

VICOR CORP - Common Stock, par value $0.01 per share (VICR) Institutional Ownership

CUSIP: 925815102

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

286

Shares (Excl. Options)

20,518,645

Price

$109.60

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Type / Class
Equity / Common Stock, par value $0.01 per share
Symbol
VICR on Nasdaq
Shares outstanding
33,979,484
Price per share
$184.92
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
20,518,645
Total reported value
$2,249,892,385
% of total 13F portfolios
0.01%
Share change
+1,100,043
Value change
+$135,169,015
Number of holders
286
Price from insider filings
$184.92
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • VICR - VICOR CORP - Common Stock, par value $0.01 per share is tracked under CUSIP 925815102.
  • 286 institutions reported positions in Q4 2025.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 286 to 166 between Q4 2025 and Q1 2026.
  • Reported value moved from $2,249,892,385 to $744,687,448.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 286 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 925815102?
CUSIP 925815102 identifies VICR - VICOR CORP - Common Stock, par value $0.01 per share in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of VICOR CORP - Common Stock, par value $0.01 per share (VICR) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VINCIARELLI PATRIZIO 47% $1,066,666,077 21,051,235 Patrizio Vinciarelli 31 Dec 2024
BlackRock, Inc. 7.9% $428,063,580 2,658,780 BlackRock, Inc. 31 Mar 2026
JPMORGAN CHASE & CO 6.2% -49% $389,576,142 -$353,225,863 2,106,728 -48% JPMORGAN CHASE & CO. 31 Mar 2026

As of 31 Dec 2025, 286 institutional investors reported holding 20,518,645 shares of VICOR CORP - Common Stock, par value $0.01 per share (VICR). This represents 60% of the company’s total 33,979,484 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of VICOR CORP - Common Stock, par value $0.01 per share (VICR) together control 51% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
JPMORGAN CHASE & CO 12% 4,016,881 -2.8% 0.03% $440,250,199
BlackRock, Inc. 11% 3,572,083 -3.8% 0.01% $391,500,298
VANGUARD GROUP INC 7.5% 2,534,534 +2.5% 0% $277,784,926
STATE STREET CORP 2.5% 836,955 -1.7% 0% $91,730,268
NEEDHAM INVESTMENT MANAGEMENT LLC 1.7% 569,775 -11% 3.9% $62,447,340
GEODE CAPITAL MANAGEMENT, LLC 1.7% 562,887 -2.3% 0% $61,702,810
DIMENSIONAL FUND ADVISORS LP 1.6% 556,870 -3.7% 0.01% $61,042,858
PRICE T ROWE ASSOCIATES INC /MD/ 1.3% 439,820 +1542% 0.01% $48,205,000
MANUFACTURERS LIFE INSURANCE COMPANY, THE 1.3% 432,189 +3919% 0.04% $47,367,914
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.1% 374,088 +40% 0.02% $41,000,045
MORGAN STANLEY 1.1% 358,177 -20% 0% $39,256,299
ASHFORD CAPITAL MANAGEMENT INC 1% 353,856 +57% 4.3% $38,782,618
AWM Investment Company, Inc. 0.98% 333,180 0% 3.5% $36,516,528
PINNACLE ASSOCIATES LTD 0.74% 250,085 -4.1% 0.35% $27,409,316
HERALD INVESTMENT MANAGEMENT Ltd 0.72% 245,000 -2% 3.5% $26,849,550
Nuveen, LLC 0.69% 234,144 -18% 0.01% $25,662,183
COLRAIN CAPITAL LLC 0.67% 226,260 -11% 14% $24,798,096
NORTHERN TRUST CORP 0.66% 224,000 -5.7% 0% $24,550,399
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.65% 221,428 +2.7% 0% $24,268,509
FMR LLC 0.62% 211,340 +14% 0% $23,162,882
Invesco Ltd. 0.44% 148,659 +126% 0% $16,293,027
GOLDMAN SACHS GROUP INC 0.43% 146,984 -12% 0% $16,109,461
Arosa Capital Management LP 0.4% 135,000 9.5% $14,796,000
Bank of New York Mellon Corp 0.39% 133,796 -2.1% 0% $14,664,057
FIRST TRUST ADVISORS LP 0.39% 132,769 +47% 0.01% $14,551,482

Institutional Holders of VICOR CORP - Common Stock, par value $0.01 per share (VICR) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 4,628,512 $744,687,448 +$2,728,357 $161.00 166
2025 Q4 20,518,645 $2,249,892,385 +$135,169,015 $109.60 286
2025 Q3 19,379,845 $963,504,588 +$15,629,115 $49.72 211
2025 Q2 19,105,056 $866,606,754 -$39,787,617 $45.36 205
2025 Q1 19,949,752 $933,063,791 +$14,877,205 $46.78 213
2024 Q4 19,608,856 $947,439,127 +$11,124,589 $48.32 197
2024 Q3 19,287,307 $812,133,108 +$24,193,140 $42.10 177
2024 Q2 18,742,076 $621,472,341 -$18,426,350 $33.16 168
2024 Q1 19,230,105 $735,296,758 -$32,957,088 $38.24 171
2023 Q4 19,957,570 $896,983,121 -$66,469,896 $44.94 199
2023 Q3 21,103,493 $1,243,121,109 -$7,006,139 $58.89 222
2023 Q2 21,021,109 $1,135,396,967 +$97,002,020 $54.00 196
2023 Q1 19,449,733 $912,974,929 +$59,347,424 $46.94 196
2022 Q4 17,977,793 $966,441,693 -$27,759,930 $53.75 193
2022 Q3 18,456,020 $1,091,375,640 -$21,975,865 $59.14 197
2022 Q2 18,731,404 $1,025,180,102 +$44,105,131 $54.73 188
2022 Q1 17,813,590 $1,257,628,267 -$97,529,558 $70.55 216
2021 Q4 17,458,310 $2,216,179,449 -$69,284,815 $126.98 239
2021 Q3 17,853,016 $2,394,863,009 +$136,258,694 $134.16 211
2021 Q2 16,850,744 $1,782,014,230 +$80,813,907 $105.74 187
2021 Q1 16,150,553 $1,373,453,035 +$32,204,794 $85.03 192
2020 Q4 15,745,479 $1,452,236,499 +$5,563,320 $92.22 192
2020 Q3 15,584,014 $1,211,415,911 +$9,967,483 $77.73 177
2020 Q2 15,447,827 $1,111,501,146 +$159,720,708 $71.95 184
2020 Q1 13,272,146 $590,996,212 +$18,355,414 $44.54 146
2019 Q4 12,830,207 $599,203,057 +$60,111,692 $46.72 137
2019 Q3 11,447,584 $337,809,435 -$649,754 $29.52 130
2019 Q2 11,452,346 $355,240,069 +$13,394,591 $31.05 133
2019 Q1 11,594,250 $359,978,954 -$28,313,126 $31.02 135
2018 Q4 12,265,358 $463,465,352 -$15,969,038 $37.79 147
2018 Q3 12,387,356 $569,573,610 +$98,339,168 $46.00 154
2018 Q2 10,230,230 $445,623,160 +$33,292,160 $43.55 128
2018 Q1 9,584,705 $273,636,087 -$7,351,114 $28.55 110
2017 Q4 9,896,959 $206,825,316 -$2,236,403 $20.90 98
2017 Q3 9,936,801 $234,443,574 +$3,999,573 $23.60 98
2017 Q2 9,767,091 $174,891,902 -$274,876 $17.90 88
2017 Q1 9,787,687 $157,609,274 +$35,123,793 $16.10 89
2016 Q4 9,554,791 $144,298,965 +$7,484,187 $15.10 93
2016 Q3 9,066,428 $105,173,174 -$1,312,746 $11.60 85
2016 Q2 9,200,907 $92,646,921 +$28,348 $10.07 86
2016 Q1 9,192,630 $96,305,798 -$1,519,778 $10.48 88
2015 Q4 9,344,067 $85,196,464 -$946,123 $9.12 85
2015 Q3 9,480,323 $96,948,986 -$956,041 $10.20 91
2015 Q2 9,577,758 $116,738,079 -$1,584,574 $12.19 94
2015 Q1 9,659,708 $146,817,603 +$812,676 $15.20 87
2014 Q4 9,662,337 $116,886,334 +$2,840,282 $12.10 86
2014 Q3 9,433,976 $88,678,125 +$503,391 $9.40 82
2014 Q2 9,388,009 $78,660,001 -$1,582,472 $8.38 84
2014 Q1 9,520,318 $97,162,301 +$1,730,369 $10.20 80
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