VICR
VICOR CORP
Electronic Components, NECNasdaqLarge accelerated filer
Total Trades
138
Buys
2
Sells
82
Largest Trade
$1M+
Insiders
19
Institutional Funds
240
Inst. Value
$1M+
Activist Filings
14
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| D'Amico Andrew | Director | SELL | $100K–$500K | 2K | $87.69 | Nov 19, 2025 |
| Tuozzolo Claudio | Corp. Vice President | EXERCISE | $100K–$500K | 6K | $48.13 | Nov 13, 2025 |
| Tuozzolo Claudio | Corp. Vice President | SELL | $500K+ | 6K | $94.58 | Nov 13, 2025 |
| D'Amico Andrew | Director | SELL | $100K–$500K | 2K | $99.13 | Nov 13, 2025 |
| D'Amico Andrew | Director | EXERCISE | $100K–$500K | 2K | $62.73 | Nov 13, 2025 |
| GENDRON ROBERT | Corp. VP - Marketing | SELL | $500K+ | 5K | $94.00 | Nov 6, 2025 |
| Lavie Zmira | Director | SELL | $100K–$500K | 4K | $89.58 | Oct 29, 2025 |
| Lavie Zmira | Director | EXERCISE | $100K–$500K | 4K | $48.42 | Oct 29, 2025 |
| Gusinov Alex | Corp. Vice Preside… | SELL | $100K–$500K | 4K | $89.75 | Oct 29, 2025 |
| CRILLY SEAN | Corp. VP-Eng. | SELL | $1M+ | 12K | $89.61 | Oct 29, 2025 |
| D'Amico Andrew | Director | SELL | $100K–$500K | 2K | $94.80 | Oct 28, 2025 |
| D'Amico Andrew | Director | EXERCISE | $100K–$500K | 2K | $56.89 | Oct 28, 2025 |
| GENDRON ROBERT | Corp. VP - Marketing | EXERCISE | $100K–$500K | 4K | $46.50 | Oct 28, 2025 |
| GENDRON ROBERT | Corp. VP - Marketing | SELL | $100K–$500K | 4K | $90.98 | Oct 28, 2025 |
| Tuozzolo Claudio | Corp. Vice President | SELL | $100K–$500K | 6K | $90.57 | Oct 28, 2025 |
| Tuozzolo Claudio | Corp. Vice President | EXERCISE | $100K–$500K | 6K | $40.59 | Oct 28, 2025 |
| Davies Philip D | VP Global Sales & … | SELL | $1M+ | 16K | $92.07 | Oct 28, 2025 |
| Schmidt James F | CFO | EXERCISE | $100K–$500K | 7K | $47.01 | Oct 27, 2025 |
| Schmidt James F | CFO | SELL | $500K+ | 7K | $91.75 | Oct 27, 2025 |
| Morrison Kemble D | Insider | EXERCISE | $50K–$100K | 2K | $38.92 | Oct 27, 2025 |
| Morrison Kemble D | Insider | SELL | $100K–$500K | 2K | $91.94 | Oct 27, 2025 |
| Grava Nancy L | VP Human Resources | EXERCISE | $100K–$500K | 7K | $45.30 | Oct 27, 2025 |
| Grava Nancy L | VP Human Resources | SELL | $500K+ | 7K | $91.00 | Oct 27, 2025 |
| EICHTEN ESTIA J | Director | EXERCISE | $50K–$100K | 5K | $10.61 | Oct 27, 2025 |
| EICHTEN ESTIA J | Director | SELL | $500K+ | 6K | $91.22 | Oct 27, 2025 |
| Fendelet Quentin A. | Corp. VP - CAO | SELL | $1M+ | 17K | $88.31 | Oct 27, 2025 |
| Fendelet Quentin A. | Corp. VP - CAO | EXERCISE | $500K+ | 16K | $51.37 | Oct 27, 2025 |
| Tuozzolo Claudio | Corp. Vice President | EXERCISE | $500K+ | 15K | $40.66 | Oct 27, 2025 |
| Tuozzolo Claudio | Corp. Vice President | SELL | $1M+ | 15K | $91.86 | Oct 27, 2025 |
| GENDRON ROBERT | Corp. VP - Marketing | EXERCISE | $100K–$500K | 2K | $67.33 | Oct 27, 2025 |
| GENDRON ROBERT | Corp. VP - Marketing | SELL | $100K–$500K | 2K | $88.68 | Oct 27, 2025 |
| Doyle Alvaro | VP and CIO | EXERCISE | $100K–$500K | 8K | $38.78 | Oct 27, 2025 |
| Doyle Alvaro | VP and CIO | SELL | $500K+ | 8K | $88.48 | Oct 27, 2025 |
| D'Amico Andrew | Director | SELL | $1M+ | 15K | $82.80 | Oct 24, 2025 |
| D'Amico Andrew | Director | EXERCISE | $500K+ | 15K | $41.50 | Oct 24, 2025 |
| Schmidt James F | CFO | EXERCISE | $100K–$500K | 5K | $47.76 | Oct 23, 2025 |
| Schmidt James F | CFO | SELL | $100K–$500K | 5K | $81.90 | Oct 23, 2025 |
| D'Amico Andrew | Director | EXERCISE | $15K–$50K | 1K | $41.61 | Oct 22, 2025 |
| D'Amico Andrew | Director | SELL | $50K–$100K | 1K | $68.00 | Oct 22, 2025 |
| D'Amico Andrew | Director | EXERCISE | $100K–$500K | 6K | $33.74 | Jul 24, 2025 |
| D'Amico Andrew | Director | SELL | $100K–$500K | 6K | $63.00 | Jul 24, 2025 |
| Tuozzolo Claudio | Corp. Vice President | SELL | $100K–$500K | 2K | $64.79 | Feb 28, 2025 |
| Tuozzolo Claudio | Corp. Vice President | EXERCISE | $50K–$100K | 898 | $60.61 | Feb 28, 2025 |
| Tuozzolo Claudio | Corp. Vice President | EXERCISE | $15K–$50K | 304 | $60.61 | Feb 26, 2025 |
| Tuozzolo Claudio | Corp. Vice President | SELL | $100K–$500K | 4K | $61.00 | Feb 26, 2025 |
| D'Amico Andrew | Director | EXERCISE | $15K–$50K | 2K | $16.35 | Feb 25, 2025 |
| D'Amico Andrew | Director | SELL | $100K–$500K | 2K | $62.89 | Feb 25, 2025 |
| D'Amico Andrew | Director | SELL | $100K–$500K | 6K | $58.03 | Jan 23, 2025 |
| D'Amico Andrew | Director | EXERCISE | $100K–$500K | 6K | $23.60 | Jan 23, 2025 |
| D'Amico Andrew | Director | EXERCISE | $15K–$50K | 2K | $10.07 | Jan 7, 2025 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 240 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 837K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 519K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 489K | $1M+ | SH |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 432K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 374K | $1M+ | SH |
| AWM Investment Company, Inc. | 333K | $1M+ | SH |
| PINNACLE ASSOCIATES LTD | 250K | $1M+ | SH |
| HERALD INVESTMENT MANAGEMENT Ltd | 245K | $1M+ | SH |
| COLRAIN CAPITAL LLC | 226K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 221K | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 133K | $1M+ | SH |
| Nuveen, LLC | 121K | $1M+ | SH |
| PRINCIPAL FINANCIAL GROUP INC | 107K | $1M+ | SH |
| Bruce & Co., Inc. | 90K | $1M+ | SH |
| Alight Capital Management LP | 90K | $1M+ | SH |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | 79K | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 62K | $1M+ | SH |
| RHUMBLINE ADVISERS | 62K | $1M+ | SH |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 61K | $1M+ | SH |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 56K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Jan 23, 2026
12.1%
4.0M shares
SC 13G/A · Apr 22, 2025
13.2%
4.4M shares
SC 13G/A · Feb 11, 2025
47.3%
21.1M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G/A · Dec 4, 2024
11.0%
3.7M shares
JPMORGAN CHASE & CO. 13-2624428
SC 13G · Oct 15, 2024
9.8%
3.3M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
7.6%
2.5M shares
Capital International Investors 95-1411037
SC 13G/A · Feb 9, 2024
1.2%
378K shares
I.R.S. IDENTIFICATION NO. Patrizio Vinciarelli 2
SC 13G/A · Feb 2, 2024
47.6%
2.1B shares
SC 13G/A · Jan 24, 2024
10.7%
3.5M shares
SC 13G/A · Nov 7, 2023
10.3%
3.4M shares
Capital International Investors 95-1411037
SC 13G · Feb 13, 2023
5.1%
1.7M shares
SC 13G/A · Feb 2, 2023
48.1%
21.0M shares
SC 13G/A · Jan 31, 2023
7.6%
2.5M shares
SC 13G/A · Feb 1, 2022
7.1%
2.3M shares