Security key
925815102
VICOR CORP - Common Stock, par value $0.01 per share (VICR)
CUSIP: 925815102
Q4 2024 13F Holders as of 31 Dec 2024
- Security type / class
- Equity / Common Stock, par value $0.01 per share
- Total 13F shares
- 19,608,856
- Total 13F value
- $947,439,127
- Share change
- +162,144
- Put/Call ratio
- 200%
- SEC-reported price per share
- $48.32
- Number of holders
- 197
- Value change
- +$11,124,589
- Number of buys
- 88
- Number of sells
- 77
- Shares outstanding
- 33,970,029
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2024
Institutions
197
Top holders
10
VICR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2025
Previous quarter: Q3 2024
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, par value $0.01 per share (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 Dec 2024
13D/G
13F
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%
BlackRock, Inc.
10%
JPMORGAN CHASE & CO
9.6%
VANGUARD GROUP INC
7.4%
BROWN CAPITAL MANAGEMENT LLC
2.8%
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 |
| BlackRock, Inc. |
13F
Company
|
10%
|
$145,382,078
3,453,256 shares
|
— | 30 Sep 2024 |
| JPMORGAN CHASE & CO |
13F
Company
|
9.6%
|
$137,887,478
3,275,237 shares
|
— | 30 Sep 2024 |
| VANGUARD GROUP INC |
13F
Company
|
7.4%
|
$105,694,367
2,510,555 shares
|
— | 30 Sep 2024 |
| BROWN CAPITAL MANAGEMENT LLC |
13F
Company
|
2.8%
|
$40,111,322
952,763 shares
|
— | 30 Sep 2024 |
| NEEDHAM INVESTMENT MANAGEMENT LLC |
13F
Company
|
2.7%
|
$38,161,082
906,439 shares
|
— | 30 Sep 2024 |
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 Q4 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
197
Shares
19,608,856
Rows available
197
| 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 Q4 2024 vs Q3 2024 Across Filers
Q3 2024 holders
177
Q4 2024 holders
197
Holder diff
20
| Investor | Q3 2024 Shares | Q4 2024 Shares | Share Diff | Share Chg % | Q3 2024 value | Q4 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend