No AI summary for this filing type
View Full Filing (SEC EDGAR)Vicor CORP
$187.75-7.8%
+$6.4B
Net Activity
+231.37% total shares
Institutions Holding
516
Popularity Rank
#1138
Avg Weight
0.25%
Total Value
$9.0B
Market Cap
$8.5B
516 institutions currently hold VICR, with 355 net buyers and 174 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
174
Net Buying Institutions
355
Top 5 by Value
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Across its top 20 institutional holders, VICR's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 8/100, avg. turnover score 45/100).
VICR ranks #1138 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
VICR is a disclosed holding of Jane Street (Jane Street Group), one of the tracked superinvestors on AlphaSMO — it makes up 0.0% of that fund's own 13F portfolio.
VICR is a top-conviction position for Colrain Capital LLC — at 19.3% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
The largest dollar stake in VICR belongs to BlackRock, Inc., but the position matters far more to Colrain Capital LLC, who has 19.3% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.
Price T Rowe Associates Inc /md/ has added to its VICR position for two straight quarters, increasing it by $851.3M to reach $899.5M today.
Harbor Investment Advisory, LLC has trimmed its VICR position for two straight quarters, cutting it by $4.0M while still holding $22.8K.
VICR is down 7.8% today, but institutions show net buying of $6.4B this quarter — a divergence between today's price move and the underlying institutional flow.
VICR posted net income of $136.7M over the trailing twelve months, and currently trades at a P/E of 62.4.
+$1.9B
Total Buy Value
$929.8M
Total Sell Value
355
Net Buyers
174
Net Sellers
VICR
Q2 2026
Top 5 Institutional Movers
VICR does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
27
Filings (90d)
$128.79M
Total Est. Value
402K shares
Planned Shares
| Filer | Filing Date | Est. Value |
|---|---|---|
| ZMIRA LAVIE | 2026-08-17 | $227K |
| Samuel Anderson | 2026-08-03 | $440K |
| ZMIRA LAVIE | 2026-07-23 | $273K |
| PATRIZIO VINCIARELLI | 2026-07-06 | $198K |
| PATRIZIO VINCIARELLI | 2026-07-02 | $7.00M |
| PATRIZIO VINCIARELLI | 2026-07-01 | $7.60M |
| PHILIP D DAVIES | 2026-07-01 | $3.50M |
| VINCIARELLI PATRIZIO | 2026-06-30 | $7.34M |
| VINCIARELLI PATRIZIO | 2026-06-29 | $6.54M |
| VINCIARELLI PATRIZIO | 2026-06-26 | $6.63M |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
2
Active 5%+ Holders
| Reporting Person | Type | Filing Date | % of Class |
|---|---|---|---|
| T. Rowe Price Associates, Inc. | 13G/A | 2026-08-14 | 7.0% |
| BlackRock, Inc. | 13G/A | 2026-07-30 | 6.7% |
2
Filings (14d)
No AI summary for this filing type
View Full Filing (SEC EDGAR)AI summary pending
View Full Filing (SEC EDGAR)925815102
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Access VICR's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/VICRCLI
npx alphasmo stocks get VICRFull API & MCP documentation →