Security key
925815102
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 11,594,250
- Total 13F value
- $359,978,954
- Share change
- -671,109
- Put/Call ratio
- 266%
- SEC-reported price per share
- $31.02
- Number of holders
- 135
- Value change
- -$28,313,126
- Number of buys
- 61
- Number of sells
- 76
- Shares outstanding
- 33,818,955
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
Q1 2019
Institutions
135
Top holders
10
VICR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
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
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2018
13F
Lead comparable stake: 6.9%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 6.9%.
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 BlackRock Finance, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock Finance, Inc.
6.9%
VANGUARD GROUP INC
6.2%
BLOOM TREE PARTNERS, LLC
2.4%
ASHFORD CAPITAL MANAGEMENT INC
2.2%
OppenheimerFunds, Inc.
1.5%
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 |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
6.9%
|
$88,800,000
2,349,792 shares
|
— | 31 Dec 2018 |
| VANGUARD GROUP INC |
13F
Company
|
6.2%
|
$79,873,000
2,113,614 shares
|
— | 31 Dec 2018 |
| BLOOM TREE PARTNERS, LLC |
13F
Company
|
2.4%
|
$30,190,000
798,900 shares
|
— | 31 Dec 2018 |
| ASHFORD CAPITAL MANAGEMENT INC |
13F
Company
|
2.2%
|
$28,108,000
743,800 shares
|
— | 31 Dec 2018 |
| OppenheimerFunds, Inc. |
13F
Company
|
1.5%
|
$19,064,000
504,462 shares
|
— | 31 Dec 2018 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
1.5%
|
$18,728,000
495,575 shares
|
— | 31 Dec 2018 |
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 Q1 2019
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
135
Shares
11,594,250
Rows available
135
| 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 Q1 2019 vs Q1 2019 Across Filers
Q1 2019 holders
135
Q1 2019 holders
135
Holder diff
0
| Investor | Q1 2019 Shares | Q1 2019 Shares | Share Diff | Share Chg % | Q1 2019 value | Q1 2019 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend