EdgeMarketInstruments › VICR

VICR — VICOR CORP

US Technology Semiconductors equity mkt cap 9.1B
200.54 -3.42% today
USD · as of 2026-08-21

Price · 2024-08-26 → 2026-08-21

499 daily closes shown
52w low 46.71 · high 379.78

Anonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.

Performance

1 day-3.42%
1 week-14.57%
1 month-13.33%
3 months-25.25%
6 months+17.96%
Year to date+71.61%
1 year+331.36%
3 years+184.53%
5 years+69.42%

Technicals

RSI 1445.1
vs 50-day avg-22.82%
vs 200-day avg+1.55%
Volatility 1y92.1%
Max drawdown 1y-51.88%
Avg volume 30d898.9K
Daily bars held2,674
History from2016-01-04

Measured signals that fired on VICR

datesignal measured base rate
2026-08-20Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-07-27Equal lows taken out
structure
-0.64% over 21 days · t = -4.75 · n = 55,661
statistically distinguishable from its control group
2026-07-06Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-06-30Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-06-26Volume shock without a price move
price
-1.33% over 21 days · t = -4.53 · n = 16,432
statistically distinguishable from its control group
2026-05-27Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group

Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →

Insider transactions (Form 4)

dateinsiderwhatshares pricevalue
2026-08-17ANDERSON SAMUEL J
Director
Open-market sale2.1K252.60523.6K
2026-08-17Lavie Zmira
Director
Open-market sale908250.00227.0K
2026-08-17Lavie Zmira
Director
Option exercise90844.0740.0K
2026-08-03Davies Philip D
Corp. VP-Global Sales & Mktg.
Open-market sale 10b5-1 plan1.4K214.02293.6K
2026-08-03Davies Philip D
Corp. VP-Global Sales & Mktg.
Option exercise 10b5-1 plan3.1K41.61127.8K
2026-08-03Davies Philip D
Corp. VP-Global Sales & Mktg.
Open-market sale 10b5-1 plan500212.54106.3K
2026-08-03Davies Philip D
Corp. VP-Global Sales & Mktg.
Open-market sale 10b5-1 plan400215.0386.0K
2026-08-03Davies Philip D
Corp. VP-Global Sales & Mktg.
Open-market sale 10b5-1 plan200206.4241.3K
2026-08-03Davies Philip D
Corp. VP-Global Sales & Mktg.
Open-market sale 10b5-1 plan200200.0640.0K
2026-08-03Davies Philip D
Corp. VP-Global Sales & Mktg.
Open-market sale 10b5-1 plan100216.0421.6K

Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →

Largest institutional holders

managervalueshares
BlackRock, Inc.464.4M2.9M
JPMORGAN CHASE & CO299.6M2.1M
VANGUARD PORTFOLIO MANAGEMENT LLC187.1M1.2M
VANGUARD CAPITAL MANAGEMENT LLC166.6M1.0M
STATE STREET CORP130.7M811.6K
MANUFACTURERS LIFE INSURANCE COMPANY, THE97.1M603.4K
GEODE CAPITAL MANAGEMENT, LLC97.0M602.7K
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP86.3M536.3K
NEEDHAM INVESTMENT MANAGEMENT LLC84.0M522.0K
DIMENSIONAL FUND ADVISORS LP79.4M493.7K

13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →

Short selling

Avg short volume, 90d51.5% of tape
Days observed61

This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →

Ask the AI about VICR

The assistant reads every block on this page — price history, filings, insider transactions, institutional positions, short volume, macro and the measured base rates — and says what it implies, quoting the number behind each claim and declaring what it does not have.

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