Steve Konstantellis

INSTINET

New York, NY 10019

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CRD#: 2113839

Professional summary

Steve Konstantellis, who also goes by Stavros Konstantellis, is a registered financial professional currently at INSTINET, LLC located in New York, New York.

Steve is registered as a RR (Registered Representative) and started their career in finance in 1999. Steve has worked at 7 firms and has passed the Series 63, SIE and Series 7 exams.

Question & Answer

Are you a "fiduciary"?

Aliases

Stavros Konstantellis

Other business activities

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.

The advisor shows no other business activity.

Blog Corner

CRS (Client Relationship Summary) - BD

Click below to view Steve Konstantellis's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

Certified licenses

Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®

None

Experience

Current

October 1, 2015 - Present

INSTINET, LLC

Office #1: Worldwide Plaza 309 West 49th Street, New York, NY, 10019

RIA

CRD#: 7897

New York, NY

Past

July 18, 2014 - May 1, 2015

FIRST LIBERTIES FINANCIAL

CRD#: 14432

TAMPA, FL

Past

June 7, 2010 - May 2, 2012

W.R. HAMBRECHT + CO., LLC

CRD#: 45040

NEW YORK, NY

Past

October 23, 2007 - May 26, 2010

ASTORIA CAPITAL MARKETS, INC.

CRD#: 45349

LONG ISLAND CITY, NY

Past

September 12, 2005 - September 11, 2007

PALI CAPITAL, INC.

CRD#: 117783

NEW YORK, NY

Past

March 22, 2002 - August 31, 2005

JEFFERIES EXECUTION SERVICES, INC.

CRD#: 867

NEW YORK, NY

Past

February 19, 1999 - October 12, 1999

SALEM FINANCIAL SYSTEMS, INC.

CRD#: 44733

MANALAPAN, NJ

Primary Firm SEC Registration

This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".

INSTINET, LLC

INC TRADING CORPORATION | INSTINET, LLC | INSTINET CLEARING SERVICES, INC.

CRD#: 7897 / SEC#: 801-108490, 8-23669

RIA

Registered Investment Advisory firm - SEC (10/26/2016 Approved)

Broker-Dealer Firm Regulated by FINRA (New York district office)

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.

indicates the advisor is registered as a Registered Representative in this state, allowing them to offer securities such as stocks, bonds, and mutual funds through a broker-dealer.

Visual representation of state registrations

Alabama
(10/20/2015)

Alaska
(10/21/2015)

Arizona
(10/27/2015)

Arkansas
(10/19/2015)

California
(10/1/2015)

Colorado
(10/15/2015)

Connecticut
(10/2/2015)

Delaware
(10/19/2015)

District of Columbia
(10/9/2015)

Florida
(10/12/2015)

Georgia
(10/22/2015)

Hawaii
(10/19/2015)

Idaho
(10/5/2015)

Illinois
(10/5/2015)

Indiana
(10/16/2015)

Iowa
(10/15/2015)

Kansas
(10/21/2015)

Kentucky
(10/5/2015)

Louisiana
(10/23/2015)

Maine
(10/2/2015)

Maryland
(10/20/2015)

Massachusetts
(10/2/2015)

Michigan
(10/12/2015)

Minnesota
(10/16/2015)

Mississippi
(10/22/2015)

Missouri
(10/8/2015)

Montana
(10/15/2015)

Nebraska
(10/1/2015)

Nevada
(10/16/2015)

New Hampshire
(10/2/2015)

New Jersey
(10/15/2015)

New Mexico
(10/20/2015)

New York
(10/9/2015)

North Carolina
(10/1/2015)

North Dakota
(10/16/2015)

Ohio
(10/1/2015)

Oklahoma
(10/19/2015)

Oregon
(10/19/2015)

Pennsylvania
(10/2/2015)

Puerto Rico
(10/5/2015)

Rhode Island
(10/2/2015)

South Carolina
(10/26/2015)

South Dakota
(10/16/2015)

Texas
(10/9/2015)

Utah
(10/2/2015)

Vermont
(10/19/2015)

Virginia
(10/1/2015)

Washington
(10/19/2015)

West Virginia
(10/19/2015)

Wisconsin
(10/22/2015)

Wyoming
(10/16/2015)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state.

Exams

State Security Law Exam

Series 63

Date: 9/2/2003

Uniform Securities Agent State Law Examination

General Industry/Product Exam

SIE

Date: 10/1/2018

Securities Industry Essentials Examination

General Industry/Product Exam

Series 7

Date: 10/1/1998

General Securities Representative Examination

SRO Registrations

BOX Exchange LLC

SRO Registrations

Cboe BYX Exchange, Inc.

SRO Registrations

Cboe BZX Exchange, Inc.

SRO Registrations

Cboe C2 Exchange, Inc.

SRO Registrations

Cboe EDGA Exchange, Inc.

SRO Registrations

Cboe EDGX Exchange, Inc.

SRO Registrations

Cboe Exchange, Inc.

SRO Registrations

FINRA

SRO Registrations

Investors' Exchange LLC

SRO Registrations

Long-Term Stock Exchange, Inc.

SRO Registrations

MEMX LLC

SRO Registrations

MIAX Emerald, LLC

SRO Registrations

MIAX PEARL, LLC

SRO Registrations

MIAX Sapphire

SRO Registrations

Miami International Securities Exchange, LLC

SRO Registrations

NYSE American LLC

SRO Registrations

NYSE Arca, Inc.

SRO Registrations

NYSE National, Inc.

SRO Registrations

NYSE Texas, Inc.

SRO Registrations

Nasdaq BX, Inc.

SRO Registrations

Nasdaq GEMX, LLC

SRO Registrations

Nasdaq ISE, LLC

SRO Registrations

Nasdaq MRX, LLC

SRO Registrations

Nasdaq PHLX LLC

SRO Registrations

Nasdaq Stock Market

SRO Registrations

New York Stock Exchange

Current Firm

INSTINET, LLC

INC TRADING CORPORATION | INSTINET, LLC | INSTINET CLEARING SERVICES, INC.

CRD#: 7897 / SEC#: 801-108490, 8-23669

RIA

Registered Investment Advisory firm - SEC (10/26/2016 Approved)

Broker-Dealer Firm Regulated by FINRA (New York district office)

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Contact information

Main Address

Worldwide Plaza 309 West 49th Street, New York, NY, 10019

Mailing Address

Worldwide Plaza 309 West 49th Street, New York, NY, 10019

Phone number

(212) 310-9500

Established

Delaware since 06/01/2006

Firm type

Limited Liability Company

Fiscal year end

March

Firm Size

Medium

# of Employees

291

FINRA licenses (52 States and Territories)

Documents

Customer Relationship Summary (CRS / FINRA)

Latest Form ADV

Part 2 Brochures

2025 ILLC FORM ADV PART2A (6/20/2025)

Direct owners and executive officers

Name	Position	CRD#
INSTINET HOLDINGS INCORPORATED	DIRECT OWNER
CHIULLI, EUGENE JAMES	CHIEF FINANCIAL OFFICER	2976702
CONE, RANDI J	CHIEF COMPLIANCE OFFICER	4811453
KENNIFF, ALICE M	ASSOCIATE GENERAL COUNSEL AND CHIEF COMPLIANCE OFFICER (INVESTMENT ADVISER)	5615714
MAURO, LUKE	HEAD OF OPERATIONS	4188932
MILLIGAN, GERARD THOMAS	PRESIDENT	2907544
SCHAFFNER, CHRISTY E	PRINCIPAL FINANCIAL OFFICER	2710171
SISKOVIC, JULIE MARIE	CHIEF COMPLIANCE OFFICER (BROKER-DEALER, CBOE/C2)	1385048
WEBB, FARON ROSS	GENERAL COUNSEL	2452057

Disclosures

Regulatory Event

Red Flags

Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.

Check for any disclosures as part of your thorough research when choosing an advisor.

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We're Here To Help

Advisor Monitoring

Firm Stability Insights

Steve Konstantellis

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - BD

Click below to view Steve Konstantellis's CRS (Customer Relationship Summary).

Certified licenses

Experience

FIRST LIBERTIES FINANCIAL

W.R. HAMBRECHT + CO., LLC

ASTORIA CAPITAL MARKETS, INC.

PALI CAPITAL, INC.

JEFFERIES EXECUTION SERVICES, INC.

SALEM FINANCIAL SYSTEMS, INC.

Primary Firm SEC Registration

INSTINET, LLC

State Registrations and Notice Filings

Exams

Series 63

Date: 9/2/2003

SIE

Date: 10/1/2018

Series 7

Date: 10/1/1998

BOX Exchange LLC

Cboe BYX Exchange, Inc.

Cboe BZX Exchange, Inc.

Cboe C2 Exchange, Inc.

Cboe EDGA Exchange, Inc.

Cboe EDGX Exchange, Inc.

Cboe Exchange, Inc.

FINRA

Investors' Exchange LLC

Long-Term Stock Exchange, Inc.

MEMX LLC

MIAX Emerald, LLC

MIAX PEARL, LLC

MIAX Sapphire

Miami International Securities Exchange, LLC

NYSE American LLC

NYSE Arca, Inc.

NYSE National, Inc.

NYSE Texas, Inc.

Nasdaq BX, Inc.

Nasdaq GEMX, LLC

Nasdaq ISE, LLC

Nasdaq MRX, LLC

Nasdaq PHLX LLC

Nasdaq Stock Market

New York Stock Exchange

Current Firm

INSTINET, LLC

Contact information

FINRA licenses (52 States and Territories)

Documents

Part 2 Brochures

Direct owners and executive officers

Disclosures

Red Flags

Company Information

INSTINET, LLC

TRUST BUT VERIFY

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