Vicor

VICR • NASDAQ

Vicor is a hardware, equipment & parts company in the technology sector on NASDAQ, with a market cap of $4.4B. As of Q3 2025, 43% of shares are held by 211 institutional investors, with JPMORGAN CHASE & CO as the largest holder at 9.2%.

Market Cap$4.4B

Hardware, Equipment & Parts

Technology

Employees1.1K

Websitevicorpower.com

Country

United States of America

Overview

Overview of institutional ownership in VICR as of Q3 2025 with a market cap of $2.2B

All Institutions

Institutions: 211
Value Held: $963.3M
Shares Held: 19.4M
Avg Position: $4.6M
Median Position: $345.9K

Hedge Funds

Hedge Funds: 22
Value Held: $103.2M
Shares Held: 2.1M
Avg Position: $4.7M
Median Position: $1.5M

Ownership Breakdown

Institutional (non-HF)

38.51%

$860.0M

Hedge Funds

4.62%

$103.2M

Retail & Other

56.87%

$1.3B

Based on market cap of $2.2B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in VICR as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
JPMORGAN CHASE & CO Institution	Jamie Dimon CEO	$205.5M 0.01% of portfolio	9.20% 4.1M shares	Q1 2016 Held for 9y 8m	$1.56T
B BlackRock, Inc. Institution	-	$184.6M 0.00% of portfolio	8.26% 3.7M shares	Q2 2015 Held for 10y 5m	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$123.0M 0.00% of portfolio	5.51% 2.5M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$42.3M 0.00% of portfolio	1.89% 851.2K shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
NEEDHAM INVESTMENT MANAGEMENT LLC Hedge Fund•Long/Short	George Austin Needham CEO	$31.9M 2.22% of portfolio	1.43% 641.5K shares	Q4 2014 Held for 10y 11m	$1.4B
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$28.8M 0.01% of portfolio	1.29% 578.5K shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$28.7M 0.00% of portfolio	1.28% 576.2K shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$22.1M 0.00% of portfolio	0.99% 445.0K shares	≤ Q2 2013 Held for 12y 5m+	$1.65T
A AWM Investment Company, Inc. Hedge Fund•Event Driven	David Michael Greenhouse President	$16.6M 1.55% of portfolio	0.74% 333.2K shares	Q2 2020 Held for 5y 5m	$1.1B
N Nuveen, LLC Institution	-	$14.2M 0.00% of portfolio	0.64% 285.4K shares	Q1 2025 Held for 8 months	$377.89B

Net Capital Flow

Institutional buying and selling activity for VICR in Q3 2025

Traded: +$17.0M
Buyers: 104
Sellers: 92
Total Bought: +$82.5M
Total Sold: −$65.5M
Avg Position: $4.0M

Biggest Buyers

Institution	Net Bought	Current Position
B BlackRock, Inc. Institution	+$14.4M +288.7K shares	$184.6M 3.7M shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	+$12.7M +254.6K shares	$13.3M 267.9K shares
N Nuveen, LLC Institution	+$6.0M +119.7K shares	$14.2M 285.4K shares
MORGAN STANLEY RIA/Wealth	+$5.8M +117.1K shares	$22.1M 445.0K shares
GOLDMAN SACHS GROUP INC Institution	+$5.2M +104.4K shares	$8.3M 166.2K shares
UBS Group AG Institution	+$4.5M +90.1K shares	$5.2M 104.1K shares
Q Qube Research & Technologies Ltd Institution	+$3.1M +62.2K shares	$4.9M 98.4K shares
Marshall Wace LLP Institution	+$2.8M +56.5K shares	$2.8M 56.5K shares
JACOBS LEVY EQUITY MANAGEMENT, INC Hedge Fund•Quant	+$2.8M +56.0K shares	$4.3M 85.7K shares
D DARK FOREST CAPITAL MANAGEMENT LP Pension/Endowment	+$2.1M +41.6K shares	$4.0M 80.2K shares

Biggest Sellers

Institution	Net Sold	Current Position
JPMORGAN CHASE & CO Institution	−$15.7M −316.8K shares	$205.5M 4.1M shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$8.8M −177.1K shares	$2.1M 42.8K shares
M Manatuck Hill Partners, LLC Hedge Fund•Long/Short	−$3.5M −70.9K shares	$1.4M 29.1K shares
NEEDHAM INVESTMENT MANAGEMENT LLC Hedge Fund•Long/Short	−$3.2M −64.1K shares	$31.9M 641.5K shares
VANGUARD GROUP INC Institution	−$2.5M −50.5K shares	$123.0M 2.5M shares
P PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. Hedge Fund•Long/Short	−$2.0M −40.0K shares	$3.0M 61.1K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$1.6M −32.8K shares	$1.6M 31.2K shares
AMERIPRISE FINANCIAL INC Institution	−$1.6M −31.9K shares	$5.1M 102.2K shares
Edgestream Partners, L.P. Hedge Fund•Quant Macro	−$1.6M −34.4K shares	Sold Off 0 shares
BANK OF AMERICA CORP /DE/ Institution	−$1.5M −31.1K shares	$2.9M 59.1K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited VICR in Q3 2025

New Positions: 14
New Value: $1.5M
Exited Positions: 29
Exited Value: $11.5M

New Positions

Institution	Position Value
KESTRA PRIVATE WEALTH SERVICES, LLC RIA/Wealth	$375.4K 7.6K shares
STONERIDGE INVESTMENT PARTNERS LLC Long Only Manager	$323.1K 6.5K shares
Bridgewater Associates, LP Hedge Fund•Global Macro	$310.9K 6.3K shares
FourThought Financial Partners, LLC RIA/Wealth	$213.0K 4.3K shares
O OMERS ADMINISTRATION Corp Institution	$208.8K 4.2K shares
ISAM Funds Ltd Hedge Fund•Quant	$79.0K 1.6K shares
S Salomon & Ludwin, LLC Institution	$12.6K 176.0 shares
Ancora Advisors, LLC RIA/Wealth	$9.9K 200.0 shares
Truvestments Capital LLC RIA/Wealth	$6.6K 132.0 shares
O Optiver Holding B.V. Institution	$5.7K 114.0 shares

Exited Positions

Institution	Previous Position
Edgestream Partners, L.P. Hedge Fund•Quant Macro	$1.6M 34.4K shares
Alight Capital Management LP Hedge Fund•Long/Short	$1.4M 30.0K shares
S Squarepoint Ops LLC Hedge Fund•Quant	$1.3M 29.0K shares
FEDERATED INVESTORS INC /PA/ Long Only Manager	$1.1M 23.3K shares
C Cubist Systematic Strategies, LLC Institution	$1.0M 22.9K shares
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC Hedge Fund•Distressed	$788.4K 17.4K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$669.7K 14.8K shares
Graham Capital Management, L.P. Hedge Fund•Multi-Strategy	$666.2K 14.7K shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	$495.4K 10.9K shares
Centiva Capital, LP Hedge Fund•Multi-Strategy	$369.0K 8.1K shares

Options Activity

Institutions with the largest Call and Put options positions in VICR as of Q3 2025

Call Positions: 7
Call Value: $2.0M
Put Positions: 5
Put Value: $7.7M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$825.4K 166.0 contracts
J JANE STREET GROUP, LLC Institution	$482.3K 97.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$392.8K 79.0 contracts
W WOLVERINE TRADING, LLC Institution	$276.2K 57.0 contracts
BANK OF AMERICA CORP /DE/ Institution	- - contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	- - contracts
Walleye Trading LLC RIA/Wealth	- - contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$3.4M 677.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$2.5M 493.0 contracts
J JANE STREET GROUP, LLC Institution	$1.6M 325.0 contracts
W WOLVERINE TRADING, LLC Institution	$305.3K 63.0 contracts
Walleye Trading LLC RIA/Wealth	- - contracts

Most Committed Institutions

Institutions with VICR as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
M MAYO INVESTMENT ADVISERS LLC Long Only Manager	William Rogers Barton Managing Partner	7.20% $12.6M	0.57% 254.1K shares	Q4 2024 Held for 11 months	$175.6M
NEEDHAM INVESTMENT MANAGEMENT LLC Hedge Fund•Long/Short	George Austin Needham CEO	2.22% $31.9M	1.43% 641.5K shares	Q4 2014 Held for 10y 11m	$1.4B
H Herald Investment Management Ltd Institution	-	1.66% $12.4M	0.56% 250.0K shares	Q1 2020 Held for 5y 8m	$745.8M
A AWM Investment Company, Inc. Hedge Fund•Event Driven	David Michael Greenhouse President	1.55% $16.6M	0.74% 333.2K shares	Q2 2020 Held for 5y 5m	$1.1B
Bruce & Co., Inc. Long Only Manager	Robert Jeffrey Bruce President	1.39% $4.5M	0.20% 90.0K shares	Q3 2023 Held for 2y 2m	$322.9M
ASHFORD CAPITAL MANAGEMENT INC Hedge Fund•Growth	Theodore H. Ashford CEO	1.25% $11.2M	0.50% 225.2K shares	Q3 2013 Held for 12y 2m	$897.8M
I IRONWOOD INVESTMENT MANAGEMENT LLC Long Only Manager	Donald Collins Managing Partner	0.68% $1.6M	0.07% 31.2K shares	≤ Q2 2013 Held for 12y 5m+	$227.0M
C CHAPIN DAVIS, INC. Institution	-	0.56% $2.3M	0.10% 45.7K shares	Q3 2024 Held for 1y 2m	$407.0M
M Manatuck Hill Partners, LLC Hedge Fund•Long/Short	Mark Allen Broach Managing Partner	0.51% $1.4M	0.06% 29.1K shares	Q3 2024 Held for 1y 2m	$282.7M
Bouvel Investment Partners, LLC RIA/Wealth	Jean Pierre Georges Bouvel Managing Partner	0.37% $1.2M	0.05% 24.1K shares	Q3 2023 Held for 2y 2m	$326.7M

Hedge Fund Spotlight

Discover hedge funds investing in VICR

ISAM Funds Ltd

Hedge Fund • Quant

Portfolio ManagerRoy Sher

Portfolio Value: $489.3M
Positions: 601
Last Reported: Q3 2025

Sector Allocation

Position in Vicor

Market Value: $79.0K
Shares Held: 1.6K
Portfolio Weight: 0.02%
Owned Since: 2025-Q3

Top Holding	Sector	Market Value	Weight
1 Merck & Co. MRK	Drug Manufacturers - General Healthcare	$4.9M	1.00%
2 Chubb CB	Insurance - Property & Casualty Financial Services	$4.9M	1.00%
3 Johnson & Johnson JNJ	Drug Manufacturers - General Healthcare	$4.9M	0.99%