What does CUSIP 925815102 represent in this 13F holders report?

CUSIP 925815102 is the security identifier for VICR - VICOR CORP - Common Stock, par value $0.01 per share used to aggregate holder disclosures.

How many institutions held VICR - VICOR CORP - Common Stock, par value $0.01 per share in Q4 2017?

98 institutional investors reported VICR - VICOR CORP - Common Stock, par value $0.01 per share for Q4 2017. Use the holders table for investor-level position and value details.

VICOR CORP - Common Stock, par value $0.01 per share (VICR)

CUSIP: 925815102

Q4 2017 13F Holders as of 31 Dec 2017

Type / Class: Equity / Common Stock, par value $0.01 per share
Shares outstanding: 33,979,484
Total 13F shares: 9,896,959
Share change: -100,007
Total reported value: $206,825,316
Put/Call ratio: 195%
Price per share: $20.90
Number of holders: 98
Value change: -$2,236,403
Number of buys: 29
Number of sells: 49

Quarterly Holders Quick Answers

What is CUSIP 925815102?
CUSIP 925815102 identifies VICR - VICOR CORP - Common Stock, par value $0.01 per share in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2018
Previous quarter: Q3 2017

Recent filing periods for CUSIP 925815102:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders 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. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	6.3%	2,150,830	$50,759,000	—	30 Sep 2017	13F
ASHFORD CAPITAL MANAGEMENT INC	13F	Company	5.3%	1,797,660	$42,425,000	—	30 Sep 2017	13F
VANGUARD GROUP INC	13F	Company	2.6%	890,747	$21,022,000	—	30 Sep 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.9%	632,422	$14,925,000	—	30 Sep 2017	13F
Senvest Management, LLC	13F	Company	1.9%	632,006	$14,915,000	—	30 Sep 2017	13F
STATE STREET CORP	13F	Company	1.3%	425,833	$10,052,000	—	30 Sep 2017	13F
NORTHERN TRUST CORP	13F	Company	0.61%	207,878	$4,906,000	—	30 Sep 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.61%	207,500	$4,897,000	—	30 Sep 2017	13F
Janney Montgomery Scott LLC	13F	Company	0.48%	161,433	$3,810,000	—	30 Sep 2017	13F
Manatuck Hill Partners, LLC	13F	Company	0.45%	153,797	$3,630,000	—	30 Sep 2017	13F
Bank of New York Mellon Corp	13F	Company	0.45%	151,228	$3,568,000	—	30 Sep 2017	13F
Trellus Management Company, LLC	13F	Company	0.39%	134,045	$3,163,000	—	30 Sep 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.39%	132,114	$3,117,000	—	30 Sep 2017	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.36%	122,336	$2,887,000	—	30 Sep 2017	13F
CIBC Private Wealth Group LLC	13F	Company	0.35%	118,300	$2,792,000	—	30 Sep 2017	13F
NEEDHAM INVESTMENT MANAGEMENT LLC	13F	Company	0.34%	114,700	$2,707,000	—	30 Sep 2017	13F
GABELLI FUNDS LLC	13F	Company	0.32%	110,000	$2,596,000	—	30 Sep 2017	13F
Robeco Schweiz AG	13F	Company	0.29%	100,000	$2,355,000	—	30 Sep 2017	13F
GAMCO INVESTORS, INC. ET AL	13F	Company	0.28%	94,000	$2,218,000	—	30 Sep 2017	13F
Informed Momentum Co LLC	13F	Company	0.25%	84,663	$1,998,000	—	30 Sep 2017	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.25%	83,939	$1,981,000	—	30 Sep 2017	13F
GUGGENHEIM CAPITAL LLC	13F	Company	0.24%	80,214	$1,892,000	—	30 Sep 2017	13F
Capital Impact Advisors, LLC	13F	Company	0.19%	65,131	$1,537,000	—	30 Sep 2017	13F
CADENCE CAPITAL MANAGEMENT LLC	13F	Company	0.18%	61,790	$1,458,000	—	30 Sep 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.17%	58,926	$1,391,000	—	30 Sep 2017	13F
MENTA CAPITAL LLC	13F	Company	0.17%	58,834	$1,388,000	—	30 Sep 2017	13F
York State Teachers Retirement System New	13F	Individual	0.16%	53,401	$1,260,000	—	30 Sep 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.14%	46,582	$1,099,000	—	30 Sep 2017	13F
MORGAN STANLEY	13F	Company	0.14%	45,884	$1,083,000	—	30 Sep 2017	13F
IRONWOOD INVESTMENT MANAGEMENT LLC	13F	Company	0.13%	42,779	$1,010,000	—	30 Sep 2017	13F
Freedom Investment Management, Inc.	13F	Company	0.12%	40,511	$956,000	—	30 Sep 2017	13F
LADENBURG THALMANN FINANCIAL SERVICES INC.	13F	Company	0.11%	38,962	$919,000	—	30 Sep 2017	13F
Teton Advisors, Inc.	13F	Company	0.11%	37,000	$873,000	—	30 Sep 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.11%	36,100	$852,000	—	30 Sep 2017	13F
RHUMBLINE ADVISERS	13F	Company	0.1%	34,620	$817,000	—	30 Sep 2017	13F
STRS OHIO	13F	Company	0.1%	34,400	$811,000	—	30 Sep 2017	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.09%	32,269	$762,000	—	30 Sep 2017	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.09%	32,162	$759,000	—	30 Sep 2017	13F
Legal & General Group Plc	13F	Company	0.09%	30,563	$721,000	—	30 Sep 2017	13F
TEACHERS ADVISORS, LLC	13F	Company	0.09%	29,703	$701,000	—	30 Sep 2017	13F
CANADA LIFE ASSURANCE Co	13F	Company	0.09%	29,415	$691,000	—	30 Sep 2017	13F
Swiss National Bank	13F	Company	0.09%	28,932	$683,000	—	30 Sep 2017	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.08%	27,200	$642,000	—	30 Sep 2017	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.08%	26,776	$632,000	—	30 Sep 2017	13F
CREDIT SUISSE AG/	13F	Company	0.06%	21,952	$518,000	—	30 Sep 2017	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.06%	21,334	$503,000	—	30 Sep 2017	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.06%	20,601	$486,000	—	30 Sep 2017	13F
BROWN ADVISORY INC	13F	Company	0.06%	20,200	$477,000	—	30 Sep 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.06%	19,962	$471,000	—	30 Sep 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.06%	19,621	$463,000	—	30 Sep 2017	13F

Institutional Holders of VICOR CORP - Common Stock, par value $0.01 per share (VICR) as of Q4 2017

As of 31 Dec 2017, VICOR CORP - Common Stock, par value $0.01 per share (VICR) was held by 98 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 9,896,959 shares. The largest 10 holders included BlackRock Inc., ASHFORD CAPITAL MANAGEMENT INC, Vanguard Group Inc, Senvest Management, LLC, DIMENSIONAL FUND ADVISORS LP, STATE STREET CORP, NORTHERN TRUST CORP, RENAISSANCE TECHNOLOGIES LLC, Bank of New York Mellon Corp, and Janney Montgomery Scott LLC. This page lists 98 institutional shareholders reporting positions in this security for the Q4 2017 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2017 vs Q3 2017 Across Filers

Q3 2017 holders

Q4 2017 holders

Holder diff

Investor	Q3 2017 Shares	Q4 2017 Shares	Share Diff	Share Chg %	Q3 2017 Value $	Q4 2017 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.