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 2015?

85 institutional investors reported VICR - VICOR CORP - Common Stock, par value $0.01 per share for Q4 2015. 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 2015 13F Holders as of 31 Dec 2015

Type / Class: Equity / Common Stock, par value $0.01 per share
Shares outstanding: 33,979,484
Total 13F shares: 9,344,067
Share change: -81,310
Total reported value: $85,196,464
Price per share: $9.12
Number of holders: 85
Value change: -$946,123
Number of buys: 38
Number of sells: 34

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.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

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

Newer quarter: Q1 2016
Previous quarter: Q3 2015

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
ASHFORD CAPITAL MANAGEMENT INC	13F	Company	4.9%	1,673,090	$17,066,000	—	30 Sep 2015	13F
BlackRock Fund Advisors	13F	Company	3%	1,022,834	$10,433,000	—	30 Sep 2015	13F
VANGUARD GROUP INC	13F	Company	2.4%	809,751	$8,259,000	—	30 Sep 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2%	674,851	$6,883,000	—	30 Sep 2015	13F
Senvest Management, LLC	13F	Company	1.8%	605,122	$6,172,000	—	30 Sep 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	1.6%	529,780	$5,404,000	—	30 Sep 2015	13F
STATE STREET CORP	13F	Company	1%	355,994	$3,628,000	—	30 Sep 2015	13F
Teton Advisors, Inc.	13F	Company	0.65%	222,500	$2,270,000	—	30 Sep 2015	13F
IRONWOOD INVESTMENT MANAGEMENT LLC	13F	Company	0.63%	215,197	$2,195,000	—	30 Sep 2015	13F
Bank of New York Mellon Corp	13F	Company	0.61%	207,436	$2,116,000	—	30 Sep 2015	13F
Manatuck Hill Partners, LLC	13F	Company	0.59%	199,979	$2,040,000	—	30 Sep 2015	13F
NORTHERN TRUST CORP	13F	Company	0.56%	189,181	$1,930,000	—	30 Sep 2015	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.51%	172,300	$1,757,000	—	30 Sep 2015	13F
GAMCO INVESTORS, INC. ET AL	13F	Company	0.5%	170,000	$1,734,000	—	30 Sep 2015	13F
Trellus Management Company, LLC	13F	Company	0.45%	154,125	$1,572,000	—	30 Sep 2015	13F
MORGAN STANLEY	13F	Company	0.44%	151,173	$1,542,000	—	30 Sep 2015	13F
GABELLI FUNDS LLC	13F	Company	0.44%	149,649	$1,526,000	—	30 Sep 2015	13F
CIBC Private Wealth Group LLC	13F	Company	0.35%	118,300	$1,207,000	—	30 Sep 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.32%	107,785	$1,099,000	—	30 Sep 2015	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.31%	103,691	$1,058,000	—	30 Sep 2015	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.23%	77,405	$790,000	—	30 Sep 2015	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.23%	77,305	$789,000	—	30 Sep 2015	13F
ALGERT GLOBAL LLC	13F	Company	0.21%	71,349	$728,000	—	30 Sep 2015	13F
BlackRock Investment Management, LLC	13F	Company	0.19%	63,840	$651,000	—	30 Sep 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.19%	63,840	$651,000	—	30 Sep 2015	13F
York State Teachers Retirement System New	13F	Individual	0.18%	60,501	$617,000	—	30 Sep 2015	13F
NEEDHAM INVESTMENT MANAGEMENT LLC	13F	Company	0.17%	56,500	$577,000	—	30 Sep 2015	13F
FIRST TRUST ADVISORS LP	13F	Company	0.16%	54,724	$558,000	—	30 Sep 2015	13F
MENTA CAPITAL LLC	13F	Company	0.15%	52,226	$533,000	—	30 Sep 2015	13F
DEUTSCHE BANK AG\	13F	Company	0.15%	51,793	$526,000	—	30 Sep 2015	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.15%	51,350	$524,000	—	30 Sep 2015	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.14%	46,652	$476,000	—	30 Sep 2015	13F
CITY NATIONAL BANK	13F	Company	0.13%	43,900	$448,000	—	30 Sep 2015	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.13%	43,656	$445,000	—	30 Sep 2015	13F
CITADEL ADVISORS LLC	13F	Company	0.13%	42,874	$437,000	—	30 Sep 2015	13F
Spark Investment Management LLC	13F	Company	0.12%	40,000	$407,000	—	30 Sep 2015	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.11%	38,974	$397,000	—	30 Sep 2015	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.11%	36,100	$369,000	—	30 Sep 2015	13F
STRS OHIO	13F	Company	0.1%	35,400	$361,000	—	30 Sep 2015	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.1%	35,000	$357,000	—	30 Sep 2015	13F
TFS CAPITAL LLC	13F	Company	0.09%	31,453	$321,000	—	30 Sep 2015	13F
CSS LLC/IL	13F	Company	0.09%	30,435	$310,000	—	30 Sep 2015	13F
Swiss National Bank	13F	Company	0.09%	29,932	$305,000	—	30 Sep 2015	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.09%	29,919	$305,000	—	30 Sep 2015	13F
Freedom Investment Management, Inc.	13F	Company	0.01%	3,278	$292,000	—	30 Sep 2015	13F
PDT Partners, LLC	13F	Company	0.08%	26,100	$266,000	—	30 Sep 2015	13F
TEACHERS ADVISORS, LLC	13F	Company	0.07%	24,117	$246,000	—	30 Sep 2015	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.07%	23,900	$243,000	—	30 Sep 2015	13F
RHUMBLINE ADVISERS	13F	Company	0.07%	22,350	$228,000	—	30 Sep 2015	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.06%	21,581	$220,000	—	30 Sep 2015	13F

Institutional Holders of VICOR CORP - Common Stock, par value $0.01 per share (VICR) as of Q4 2015

As of 31 Dec 2015, VICOR CORP - Common Stock, par value $0.01 per share (VICR) was held by 85 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 9,344,067 shares. The largest 10 holders included ASHFORD CAPITAL MANAGEMENT INC, BlackRock Fund Advisors, VANGUARD GROUP INC, Senvest Management, LLC, DIMENSIONAL FUND ADVISORS LP, BlackRock Institutional Trust Company, N.A., STATE STREET CORP, RENAISSANCE TECHNOLOGIES LLC, Teton Advisors, Inc., and Bank of New York Mellon Corp. This page lists 85 institutional shareholders reporting positions in this security for the Q4 2015 filing period.

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

Compare Q4 2015 vs Q3 2015 Across Filers

Q3 2015 holders

Q4 2015 holders

Holder diff

-6

Investor	Q3 2015 Shares	Q4 2015 Shares	Share Diff	Share Chg %	Q3 2015 Value $	Q4 2015 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.