1st Discount Brokerage, Inc.
A.G.P./ Alliance Global Partners, LLC
ABN AMRO Clearing USA LLC
ACS Execution Services, LLC
Advisors Asset Management, Inc.
Aegis Capital Corp.
Akuna Securities LLC
Allen & Company LLC
Alpha Trading L.P. (Israel)
ALPINE SECURITIES CORPORATION
American Capital Partners, LLC
ANDREW GARRETT INC.
ANOS CAPITAL, LLC
Apex Clearing Corporation
Archipelago Securities L.L.C.
ATM Execution LLC (Cowen & Co.)
AXIOM CAPITAL MANAGEMENT, INC.
AXOS Clearing LLC
B. RILEY SECURITIES, INC.
Banyan Securities, LLC
Barclays Capital Inc.
Bay Crest Partners, LLC
Belvedere Trading LLC
BERENBERG CAPITAL MARKETS LLC
BERNSTEIN INSTITUTIONAL SERVICES LLC
BGC Financial, L.P.
BMO Capital Markets Corp.
BNP Paribas Securities Corp.
BNY Mellon Capital Markets LLC
BOFA Securities, Inc.
BOLT-X LLC (Sumo Holdings)
Bradesco Securities, Inc. (Brazil)
BREAN CAPITAL, LLC
BROWNSTONE INVESTMENT GROUP, LLC
BTIG, LLC
BUCKMAN, BUCKMAN & REID, INC.
BULLTICK, LLC
C. L. King & Associates, Inc.
Canaccord Genuity LLC
Cantor Fitzgerald & Co.
CAPITAL INSTITUTIONAL SERVICES, INC.
CAPITAL ONE SECURITIES, INC.
CBOE Trading, Inc.
Celadon Financial Group LLC
CEROS FINANCIAL SERVICES, INC.
CHARDAN CAPITAL MARKETS LLC
Charles Schwab & Co. Inc.
Churchill Capital USA, Inc.
CIBC World Markets Corp.
Citadel Securities LLC
Citigroup Global Markets Inc.
Citizens JMP Securities LLC
Clear Street Markets LLC
CLEAR STREET, LLC
Clearpool Execution Services, LLC
CLSA AMERICAS, LLC
CODA MARKETS, INC.
COLLIERS SECURITIES LLC.
Comhar Capital Markets, LLC
COMPASS POINT RESEARCH & TRADING, LLC
Cowen and Company, LLC
Craig-Hallum Capital Group LLC
CREAND SECURITIES
Credit Suisse Securities (USA) LLC D.A.
Daiwa Capital Markets America Inc.
Dash Financial Technologies LLC
Davenport & Company LLC
Davidson & Co.
DAWSON JAMES SECURITIES, INC
Deutsche Bank Securities Inc.
DINOSAUR FINANCIAL GROUP, L.L.C
Dowling & Partners Securities LLC
DRIVEWEALTH INSTITUTIONAL LLC
DRW Execution Services, LLC
DRW Securities, L.L.C.
DV Equities
DYNAMEX TRADING, LLC
EarlybirdCapital, Inc.
Edward Jones
EVERCORE GROUP L.L.C.
FBN Securities, Inc.
FELTL & COMPANY
FIRST BROKERS SECURITIES LLC (ICAP)
FIRST MANHATTAN SECURITIES LLC
Flow Traders U.S. LLC
FOG EQUITIES LLC
FRED ALGER & COMPANY, LLC.
G1 Execution Services, LLC
GBM International, Inc.
GFI Securities LLC
GILDER GAGNON HOWE & CO. LLC
GLEN EAGLE WEALTH, LLC
Glendale Securities, Inc.
Global Execution Brokers, LP
Global Financial Services, L.L.C.
GMS Group
Goldman Sachs & Co. LLC
GOLDMAN SACHS CUSTODY SOLUTIONS
GREEN PIER FINTECH LLC (Fidelity)
GRIFFIN FINANCIAL GROUP, LLC
Group One Trading, L.P.
GTS Securities, LLC
GUGGENHEIM SECURITIES, LLC
H.C. WAINWRIGHT & CO., INC.
HAITONG INTERNATIONAL SECURITIES (USA) INC.
HAP Trading, LLC
Height Securities, LLC
Hilltop Securities Inc.
HOVDE GROUP, LLC
HRT Financial LP
HSBC Securities (USA) Inc.
HULL PARTNERS LLC (Blair Hull)
IEX Services LLC
IMC-Chicago, LLC
IMI SECURITIES CORP
IMPERIAL CAPITAL, LLC
Industrial and Commercial Bank of China Financial Services LLC
ING Financial Markets LLC
Instinet, LLC
Interactive Brokers LLC
INTESA SANPAOLO
Investment Placement Group
J.H. DARBIE & CO., INC.
J.P. Morgan Securities LLC
J.V.B. Financial Group, LLC
Jane Street Capital, LLC
Jane Street Execution Services, LLC
Jane Street Options, LLC
Janney Montgomery Scott LLC
Jefferies LLC
Johnson Rice & Company L.L.C.
JonesTrading
Joseph Gunnar & Co. LLC
Jump Execution, LLC
Jump Trading, LLC
JWTT Inc.
Keefe, Bruyette & Woods, Inc.
KeyBanc Capital Markets Inc.
Kovack Securities Inc.
LADENBURG, THALMANN & CO., INC.
LAKE STREET CAPITAL MARKETS, LLC
LAMPOST CAPITAL, L.C.
Latour Trading LLC (Tower Research Capital)
LEERINK PARTNERS LLC
LIFESCI CAPITAL, LLC
Lightspeed Financial Services Group LLC
Lime Trading Corp.
LIQUIDNET, INC.
M. S. Howells & Co.
MACQUARIE CAPITAL (USA) INC.
Marex Capital Markets Inc.
Matrix Executions, LLC
Maxim Group LLC
MCAP LLC
MERIDIAN EQUITY PARTNERS INC.
Merrill Lynch, Pierce, Fenner & Smith Incorporated
Mesirow Financial, Inc.
MIRAE ASSET SECURITIES (USA) INC.
MIZUHO SECURITIES USA LLC
Monness Crespi Hardt & Co., Inc.
MOORS & CABOT, INC.
Morgan Stanley & Co. LLC
Morgan Stanley Smith Barney LLC
MUFG SECURITIES AMERICAS INC.
MURIEL SIEBERT & CO., LLC
Nasdaq Execution Services, LLC
NATIONAL BANK OF CANADA FINANCIAL INC.
National Financial Services LLC (Fidelity)
Needham & Company, LLC
NETWORK 1 FINANCIAL SECURITIES INC.
Neuberger Berman BD LLC
NEWBRIDGE SECURITIES CORPORATION
Newedge Securities, Inc.
Nomura Securities International, Inc.
NORTHLAND SECURITIES, INC.
ODEON CAPITAL GROUP LLC
Old Mission Capital LLC
Oppenheimer & Co. Inc.
Optiver US LLC
OSCAR GRUSS & SON, INCORPORATED
PARKLAND SECURITIES, LLC
Paulson Investment Company LLC
Peak6 Capital Management LLC
PENSERRA SECURITIES, LLC
PERSHING ADVISOR SOLUTIONS, LLC
Pershing LLC
Pictet Overseas Inc.
Piper Sandler & Co.
PRIME EXECUTIONS, INC.
PUMA CAPITAL, LLC
Pundion LLC
Quantlab Brokerage, LLC
R. F. LAFFERTY & CO., INC.
Raymond James & Associates, Inc.
RBC Capital Markets, LLC
RBC CMA LLC
Regal Securities, Inc.
RENAISSANCE MACRO SECURITIES, LLC.
RICE FINANCIAL PRODUCTS COMPANY
RICE, VOELKER, LLC
Robert W. Baird & Co. Incorporated
Roberts & Ryan, Inc.
ROBINHOOD SECURITIES, LLC
ROBOTTI SECURITIES, LLC
Rosenblatt Securities Inc.
ROTH CAPITAL PARTNERS, LLC
ROTHSCHILD INVESTMENT LLC
RQD* CLEARING, LLC
SageTrader, LLC
San Blas Securities LLC
SANDERS MORRIS LLC
Santander US Capital Markets LLC
Scotia Capital (USA) Inc.
SEAPORT GLOBAL SECURITIES LLC
Sentinel Brokers Company, Inc.
SG Americas Securities, LLC
SIGMA FINANCIAL CORPORATION
Simplex Trading, LLC
Smith, Moore & Co.
SOGOTRADE, INC.
Speedroute LLC
SpiderRock EXS, LLC
State Street Global Markets, LLC
Stephens Inc.
Stifel, Nicolaus & Company, Incorporated
StoneX Financial Inc.
STUART FRANKEL & CO., INCORPORATED
Susquehanna Financial Group, Lllp
Susquehanna Securities, LLC
T.R. Winston & Company, LLC
TD Ameritrade Clearing, Inc.
TD Prime Services LLC
TD Securities (USA) LLC
TELSEY ADVISORY GROUP LLC
The Benchmark Company, LLC
The Investment Center, Inc.
The Vertical Trading Group, LLC
ThinkEquity, LLC
Three Brothers Trading, LLC (Alternative Execution Group)
Tower Principal Markets LLC (Tower Research Capital)
TP ICAP Global Markets Americas LLC
Tradebot Systems, Inc.
TRADELINK SECURITIES, LLC
Tradepro Securities,Inc.
Tradestation Securities, Inc.
TRADEZERO AMERICA, INC.
Tradition Securities and Derivatives LLC
TRC Markets LLC
Triad Securities Corp
TRIBAL CAPITAL MARKETS, LLC
Truist Securities, Inc.
Two Sigma Securities, LLC
UBS Financial Services, Inc.
UBS Securities, LLC
US Tiger Securities, Inc. [China]
VALUABLE CAPITAL SECURITIES
VELOCITY CAPITAL, LLC
VELOCITY CLEARING, LLC
VELOX CLEARING LLC
VIEWTRADE SECURITIES, INC.
Virtu Americas LLC
Vision Financial Markets LLC
Wall Street Access
Wallachbeth Capital LLC
Walleye Trading LLC
WATERMILL INSTITUTIONAL TRADING LLC
WEBULL FINANCIAL LLC
Wedbush Securities Inc.
Wells Fargo Clearing Services, LLC
Wells Fargo Securities, LLC
William Blair & Company, L.L.C.
William O'NEIL SECURITIES
WILLIAMS TRADING LLC
Wilson-Davis & Co., Inc.
Wolverine Execution Services, LLC
Wolverine Trading, LLC
XR Securities LLC
XTX Markets LLC