Security key
925815102
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 217,412
- Total 13F value
- $60,586,639
- Share change
- -15,844
- SEC-reported price per share
- $288.94
- Number of holders
- 50
- Value change
- -$15,028,040
- Number of buys
- 26
- Number of sells
- 25
- Shares outstanding
- 34,256,891
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
50
Top holders
10
VICR full security history
Ownership snapshot
Full 13F holder table
VICOR CORP SEC filings
VICOR CORP company facts
Broader feeds
Reporting periods
Holder history for CUSIP 925815102
Recent filing periods:
Ownership snapshot
Top reported holders of VICR - VICOR CORP - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Patrizio Vinciarelli
Disclosed value leader
Patrizio Vinciarelli
Comparable rows
15/15
Latest evidence
31 Aug 2026
13D/G
13F
3/4/5
Lead comparable stake: 47%
13D/G row: Patrizio Vinciarelli
Showing 1-6 of 15 holder rows.
Quick read
Patrizio Vinciarelli leads the comparable SEC ownership view at 47%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Patrizio Vinciarelli's linked filing trail.
Comparable ownership
Top 5
Patrizio Vinciarelli
47%
PRICE T ROWE ASSOCIATES INC /MD/
13%
BlackRock, Inc.
6.7%
JPMORGAN CHASE & CO
4%
Estia J. Eichten
0.31%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Patrizio Vinciarelli |
13D/G
|
47%
|
$1,066,666,077
21,051,235 shares
|
$0 | 31 Dec 2024 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13D/G
13F
T. Rowe Price Associates, Inc. · Company
|
13%
|
$960,639,949
4,384,882 shares
|
+$441,765,400 | 31 Aug 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.7%
from 13D/G
|
$934,611,613
2,460,929 shares
|
— | 30 Jun 2026 |
| JPMORGAN CHASE & CO |
13F
13D/G
Company
|
4%
from 13D/G
|
$869,793,227
2,370,220 shares
|
— | 30 Jun 2026 |
| Estia J. Eichten |
3/4/5
Director
|
0.31%
|
$39,810,438
104,825 shares
|
-$7,347,844 | 24 Jul 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
3.7%
|
$486,173,848
1,280,146 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
50
Shares
217,412
Rows available
50
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
511
Q3 2026 holders
50
Holder diff
-461
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend