Top Participants - May 2013

The NASDAQ Stock Market thanks our top participants for their continued support and commitment to providing the highest levels of liquidity and volume for NASDAQ–, NYSE– and NYSE Arca–listed securities. Choosing NASDAQ as your trading venue contributes to overall market efficiency and reliability, while ensuring access to stable prices and a growing concentration of liquidity.

NASDAQ Securities

Top Ten NASDAQ Liquidity Providers in
NASDAQ Securities
Top Ten 'Total Volume' in NASDAQ Securities
Rank MPID Firm Name Rank MPID Firm Name
1 MLCO Merrill Lynch, Pierce, Fenner & Smith INC. 1 MSCO Morgan Stanley & CO, INC.
2 MSCO Morgan Stanley & CO, INC. 2 MLCO Merrill Lynch, Pierce, Fenner & Smith INC.
3 WEDB Wedbush Securities INC. 3 CDRG CITADEL SECURITIES LLC
4 UBSS UBS Securities, LLC 4 UBSS UBS Securities, LLC
5 FBCO Credit Suisse Securities (USA) LLC 5 FBCO Credit Suisse Securities (USA) LLC
6 INCA Instinet, LLC 6 WEDB Wedbush Securities INC.
7 BCAP Barclays Capital 7 BCAP Barclays Capital
8 CDRG CITADEL SECURITIES LLC 8 INCA Instinet, LLC
9 JPMS J.P. Morgan Securities LLC 9 JPMS J.P. Morgan Securities LLC
10 NITE Knight Capital Americas, L.P. 10 NITE Knight Capital Americas, L.P.

NYSE Securities

Top Ten NASDAQ Liquidity Providers in
NYSE Securities
 Top Ten 'Total Volume' in NYSE Securities
Rank MPID Firm Name Rank MPID Firm Name
1 MSCO Morgan Stanley & CO, INC. 1 MSCO Morgan Stanley & CO, INC.
2 MLCO Merrill Lynch, Pierce, Fenner & Smith INC. 2 CDRG CITADEL SECURITIES LLC
3 BCAP Barclays Capital 3 MLCO Merrill Lynch, Pierce, Fenner & Smith INC.
4 CDRG CITADEL SECURITIES LLC 4 BCAP Barclays Capital
5 INCA Instinet, LLC 5 INCA Instinet, LLC
6 WEDB Wedbush Securities INC. 6 FBCO Credit Suisse Securities (USA) LLC
7 UBSS UBS Securities, LLC 7 WEDB Wedbush Securities INC.
8 FBCO Credit Suisse Securities (USA) LLC 8 JPMS J.P. Morgan Securities LLC
9 JPMS J.P. Morgan Securities LLC 9 UBSS UBS Securities, LLC
10 NITE Knight Capital Americas, L.P. 10 NITE Knight Capital Americas, L.P.

NYSE Arca Securities

Top Ten NASDAQ Liquidity Providers in
NYSE ARCA Securities
 Top Ten 'Total Volume' in
NYSE ARCA Securities
Rank MPID Firm Name Rank MPID Firm Name
1 MLCO Merrill Lynch, Pierce, Fenner & Smith INC. 1 MLCO Merrill Lynch, Pierce, Fenner & Smith INC.
2 UBSS UBS Securities, LLC 2 CDRG CITADEL SECURITIES LLC
3 CDRG CITADEL SECURITIES LLC 3 MSCO Morgan Stanley & Co. LLC
4 MSCO Morgan Stanley & Co. LLC 4 UBSS UBS Securities, LLC
5 WEDB Wedbush Securities INC. 5 WEDB Wedbush Securities INC.
6 INCA Instinet, LLC 6 FBCO Credit Suisse Securities (USA) LLC
7 FBCO Credit Suisse Securities (USA) LLC 7 INCA Instinet, LLC
8 BCAP Barclays Capital 8 NITE Knight Capital Americas, L.P.
9 IMCC IMC Chicago, LLC 9 BCAP Barclays Capital
10 NITE Knight Capital Americas, L.P. 10 IMCC IMC Chicago, LLC

 

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Liquidity provider is defined as the market participant whose quote or order is accessed via NASDAQ. This list includes consenting market participants. The above ranking is provided by NASDAQ’s Economic Research Department.

For NASDAQ-listed securities, liquidity provider ranking is calculated based on shares of NASDAQ-listed securities executed on NASDAQ. All market participants with at least one registered market maker ID and with active market maker positions in at least 350 NASDAQ- or other exchange-listed issues are ranked by volume, including ECNs. For NYSE-listed securities, liquidity provider ranking is calculated based on shares of NYSE-listed securities executed on NASDAQ. All market participants are ranked by volume.

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