Vicor (VICR)
Builds modular power systems for AI processors and other high-performance electronics.
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Sells Advanced Products built around Factorized Power Architecture and mature Brick Products for data centers, industrial systems, aerospace, defense, and transportation. Revenue comes from modules, configurable and custom power systems, and technology royalties, with Advanced Products concentrated among a limited number of large customers.
Designs modular power components and complete power systems that convert electricity from the source to the point of load. Advanced Products use Factorized Power Architecture, including PRM regulators, VTM current multipliers, and Power-on-Package modules for high-performance processors, server racks, and data-center infrastructure. Brick Products cover integrated DC-DC converters plus configurable and custom systems for aerospace, defense, industrial, test, and transportation equipment.
Specializes in high-density 48V power delivery, supported by proprietary switching topologies, packaging, design tools, and largely in-house manufacturing in Andover. Sales span the United States, Asia Pacific, and Europe, while technology licensing generates royalties.
Advanced Products depend on a limited number of large OEMs, ODMs, contract manufacturers, and licensees. Production also relies on a limited group of wafer foundries and packaging and test providers.
Company facts
Target rangeAs of Sep 21, 2026
Latest analyst notes
| Date | Firm | Action | Prior | Current |
|---|---|---|---|---|
| Jul 21, 2026 | Needham | Reiterate | Rating: —Target: $400 | Target: $320 |
| Jun 22, 2026 | Roth Capital | Reiterate | Rating: —Target: $245 | Target: $375 |
| Jun 22, 2026 | Needham | Reiterate | Rating: —Target: $350 | Target: $400 |
| May 26, 2026 | Needham | Reiterate | Rating: —Target: $90 | Target: $350 |
| Apr 20, 2026 | Roth Capital | Target | Target: $175 | Target: $245 |
EPSReportedEstimate
RevenueReportedEstimate
Balance sheet, Jun 30, 2026Cash & short-term investments $453.6M · Total debt $7.6M · Total assets $894.2M · Shareholders' equity $834.3M
- Revenue
- $143.4M
- Operating income
- $34.9M
- Net income
- $49.8M
No dividends on record.
| Institutions | ≈ 46.16% | 21.28M shares | |
|---|---|---|---|
| 540 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 133.99% | 61.78M shares | |
| 12 holders · as of Sep 3, 2026 | |||
| Adds to | 180.15% | ||
46.11M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 180.15%; nothing is left for Other.
This company has 2 share classes; every stake here is a share of the whole company.
Top shareholders13F · 13D/G · Form 4
| Holder | Stake | Shares | Date |
|---|---|---|---|
of 6 PagesInsider | 45.97% | 21.19M | filed Feb 10, 2021 |
Page 2 of 6 PagesInsider | 45.23% | 20.85M | filed Jan 30, 2017 |
Patrizio Vinciarelli1Insiderdirector, 10 percent owner, officer: Chairman & CEO | 42.44% | 21.05M COMPANY | filed Jul 7, 2026 |
BlackRock, Inc.Institution | 5.34% | 2.46M | as of Jun 30, 2026 |
JPMorgan Chase & CoInstitution | 5.14% | 2.37M | as of Jun 30, 2026 |
- Patrizio Vinciarelli's transaction reports restate only vehicles that traded; the 2025 ownership statement (21.05M) less the 1.48M net shares sold since is used instead.
Insider tradesForm 4
| Date | Insider | Role | Shares | Avg price |
|---|---|---|---|---|
| Sep 1, 2026 | Philip D. Davies | director, officer: Corp. VP-Global Sales & Mktg. | −3,073 | $177.70 |
| Aug 17, 2026 | Zmira Lavie | director | −908 | $250.00 |
| Aug 17, 2026 | Samuel J. Anderson | director | −2,073 | $252.60 |
| Aug 3, 2026 | Philip D. Davies | director, officer: Corp. VP-Global Sales & Mktg. | −3,072 | $211.69 |
| Jul 23, 2026 | Zmira Lavie | director | −1,216 | $224.72 |
- Monolithic Power Systems
IC-based 48V leader; won Nvidia H100/AMD MI300 GPU power sockets from modules.
- Texas Instruments
Analog giant whose IC-level scale undercuts power modules in industrial and A&D.
- Advanced Energy Industries
Artesyn brick-module maker in industrial, telecom, and data-center DC-DC power.
- Bel Fuse Class B
Industrial/telecom/defense brick-module maker competing in DC-DC converters.
Compare
| Company | Price | Change | |||||
|---|---|---|---|---|---|---|---|
| Vicor | $267.22 | +19.35% | $10.15B | 71.8 | 56.0 | 21.4 | +49.3% |
| Monolithic Power Systems | $1,385.36 | +8.43% | $62.77B | 78.3 | 43.0 | 19.2 | +47.6% |
| Texas Instruments | $270.39 | −0.18% | $247.37B | 41.2 | 28.4 | 12.7 | +22.8% |
| Advanced Energy Industries | $272.66 | +3.78% | $10.52B | 49.0 | 20.0 | 5.2 | +30.0% |
| Bel Fuse Class B | $249.50 | +2.48% | $2.95B | 60.9 | 24.0 | 4.0 | +25.2% |
| Median | 54.9 | 26.2 | 8.9 | +27.6% |






