0kj-187A-2018-10-09

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LASALLE ST. SECURITIES, L.L.C.
940 N. INDUSTRIAL DR.

ELMHURST, IL 60126-1131
NOTE: BROKER-DEALERS ARE REQUIRED TO DISCLOSE ANY MATERIAL ARRANGEMENTS WITH THE VENUES
LISTED IN EACH SECTION BELOW, INCLUDING, BUT NOT LIMITED TO, ANY INTERNALIZATION

OR PAYMENT FOR ORDER FLOW ARRANGEMENTS

SEC RULE 606, QUARTERLY REPORT FOR THE QUARTER ENDING SEPTEMBER 30,2018

SECURITIES LISTED ON THE NEW YORK STOCK EXCHANGE
SUMMARY STATISTICS :
NON-DIRECTED ORDERS AS PERCENTAGE OF TOTAL CUSTOMER ORDERS 100.00%
MARKET ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 76.17%
LIMIT ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 18.60%

OTHER ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 5.23%
VENUES RECEIVING SIGNIFICANT PERCENTAGE OF TOTAL NON-DIRECTED ORDERS :
1. Citadel Securities LLC 37.71%
2. VIRTU Americas LLC 33.13%
3. G1 Execution Services, LLC 8.71%
4. National Financial Services LLC 7.30%
5. Two Sigma Securities, LLC 3.72%
6. Cboe BYX U.S. Equities Exchange 2.11%
7. Cboe EDGX U.S. Equities Exchange 1.53%
8. UBS Securities, LLC 1.41%
9. NASDAQ Execution Services, LLC 1.13%
10. New York Stock Exchange 0.80%
INFORMATION CONCERNING SIGNIFICANT VENUES :
1. Citadel Securities LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 39.77%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 33.41%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 23.08%
2. VIRTU Americas LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 31.71%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 40.11%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 28.85%
3. G1 Execution Services, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 10.93%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 1.95%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.38%
4. National Financial Services LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 8.69%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 1.41%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 8.08%

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LASALLE ST. SECURITIES, L.L.C.
940 N. INDUSTRIAL DR.

ELMHURST, IL 60126-1131
SEC RULE 606, QUARTERLY REPORT FOR THE QUARTER ENDING SEPTEMBER 30,2018
5. Two Sigma Securities, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 4.54%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 1.19%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.77%
6. Cboe BYX U.S. Equities Exchange
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 2.64%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.54%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
7. Cboe EDGX U.S. Equities Exchange
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.00%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 7.89%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 1.15%
8. UBS Securities, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.63%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 3.68%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 4.62%
9. NASDAQ Execution Services, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.00%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 5.30%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 2.69%
10. New York Stock Exchange
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.00%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 3.46%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 3.08%

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LASALLE ST. SECURITIES, L.L.C.
940 N. INDUSTRIAL DR.

ELMHURST, IL 60126-1131

SEC RULE 606, QUARTERLY REPORT FOR THE QUARTER ENDING SEPTEMBER 30,2018

SECURITIES LISTED ON THE NASDAQ STOCK MARKET
SUMMARY STATISTICS :
NON-DIRECTED ORDERS AS PERCENTAGE OF TOTAL CUSTOMER ORDERS 100.00%
MARKET ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 71.16%
LIMIT ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 24.04%

OTHER ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 4.80%
VENUES RECEIVING SIGNIFICANT PERCENTAGE OF TOTAL NON-DIRECTED ORDERS :
1. Citadel Securities LLC 35.15%
2. VIRTU Americas LLC 32.69%
3. G1 Execution Services, LLC 8.84%
4. National Financial Services LLC 5.50%
5. Cboe EDGX U.S. Equities Exchange 5.37%
6. NASDAQ Execution Services, LLC 5.02%
7. Two Sigma Securities, LLC 3.32%
8. Cboe BYX U.S. Equities Exchange 0.98%
9. UBS Securities, LLC 0.88%
10. Cboe BZX U.S. Equities Exchange 0.60%
INFORMATION CONCERNING SIGNIFICANT VENUES :
1. Citadel Securities LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 41.19%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 16.69%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 38.16%
2. VIRTU Americas LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 32.76%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 34.43%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 23.03%
3. G1 Execution Services, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 11.63%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 2.37%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
4. National Financial Services LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 7.32%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.53%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 3.29%

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LASALLE ST. SECURITIES, L.L.C.
940 N. INDUSTRIAL DR.

ELMHURST, IL 60126-1131
SEC RULE 606, QUARTERLY REPORT FOR THE QUARTER ENDING SEPTEMBER 30,2018
5. Cboe EDGX U.S. Equities Exchange
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.00%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 22.34%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
6. NASDAQ Execution Services, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.00%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 20.24%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 3.29%
7. Two Sigma Securities, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 4.39%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.79%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
8. Cboe BYX U.S. Equities Exchange
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 1.38%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.00%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
9. UBS Securities, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.80%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.66%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 3.29%
10. Cboe BZX U.S. Equities Exchange
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.00%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 1.97%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 2.63%

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LASALLE ST. SECURITIES, L.L.C.
940 N. INDUSTRIAL DR.

ELMHURST, IL 60126-1131

SEC RULE 606, QUARTERLY REPORT FOR THE QUARTER ENDING SEPTEMBER 30,2018

SECURITIES LISTED ON THE NYSE MKT LLC OR REGIONAL EXCHANGES
SUMMARY STATISTICS :
NON-DIRECTED ORDERS AS PERCENTAGE OF TOTAL CUSTOMER ORDERS 100.00%
MARKET ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 77.67%
LIMIT ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 21.08%

OTHER ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 1.25%
VENUES RECEIVING SIGNIFICANT PERCENTAGE OF TOTAL NON-DIRECTED ORDERS :
1. Citadel Securities LLC 35.77%
2. VIRTU Americas LLC 35.23%
3. G1 Execution Services, LLC 9.54%
4. NASDAQ Execution Services, LLC 5.91%
5. Two Sigma Securities, LLC 3.79%
6. Cboe BYX U.S. Equities Exchange 3.36%
7. UBS Securities, LLC 2.98%
8. National Financial Services LLC 1.25%
9. Cboe EDGX U.S. Equities Exchange 1.03%
10. NYSE American 0.43%
INFORMATION CONCERNING SIGNIFICANT VENUES :
1. Citadel Securities LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 41.59%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 13.37%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 52.17%
2. VIRTU Americas LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 35.38%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 34.70%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 34.78%
3. G1 Execution Services, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 11.65%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 2.31%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
4. NASDAQ Execution Services, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.00%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 28.02%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%

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LASALLE ST. SECURITIES, L.L.C.
940 N. INDUSTRIAL DR.

ELMHURST, IL 60126-1131
SEC RULE 606, QUARTERLY REPORT FOR THE QUARTER ENDING SEPTEMBER 30,2018
5. Two Sigma Securities, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 4.47%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 1.54%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
6. Cboe BYX U.S. Equities Exchange
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 4.19%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.51%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
7. UBS Securities, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.77%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 11.05%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 4.35%
8. National Financial Services LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 1.61%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.00%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
9. Cboe EDGX U.S. Equities Exchange
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.00%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 4.88%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
10. NYSE American
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.00%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 2.06%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%

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LASALLE ST. SECURITIES, L.L.C.
940 N. INDUSTRIAL DR.

ELMHURST, IL 60126-1131

SEC RULE 606, QUARTERLY REPORT FOR THE QUARTER ENDING SEPTEMBER 30,2018

EXCHANGE - LISTED OPTIONS
SUMMARY STATISTICS :
NON-DIRECTED ORDERS AS PERCENTAGE OF TOTAL CUSTOMER ORDERS 100.00%
MARKET ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 32.60%
LIMIT ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 65.46%

OTHER ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 1.93%
VENUES RECEIVING SIGNIFICANT PERCENTAGE OF TOTAL NON-DIRECTED ORDERS :
1. NASDAQ PHLX Options 22.04%
2. Cboe Options Exchange 19.33%
3. NASDAQ Options Market 13.02%
4. ISE Gemini Options Exchange 11.34%
5. NYSE Arca Options 7.99%
6. BOX Option Exchange 6.96%
7. Cboe BZX Options Exchange, Inc. 6.44%
8. Cboe EDGX Option Exchange 4.90%
9. The MIAX Options Exchange 4.12%
10. NYSE American Options 1.55%
INFORMATION CONCERNING SIGNIFICANT VENUES :
1. NASDAQ PHLX Options
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 29.64%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 17.52%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 46.67%
2. Cboe Options Exchange
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 34.39%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 10.83%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 53.33%
3. NASDAQ Options Market
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.00%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 19.88%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
4. ISE Gemini Options Exchange
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 1.98%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 16.34%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%



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LASALLE ST. SECURITIES, L.L.C.
940 N. INDUSTRIAL DR.

ELMHURST, IL 60126-1131
SEC RULE 606, QUARTERLY REPORT FOR THE QUARTER ENDING SEPTEMBER 30,2018
  5. NYSE Arca Options
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   0.00%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                  12.20%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
  6. BOX Option Exchange
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   9.88%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   5.71%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
  7. Cboe BZX Options Exchange, Inc.
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   1.58%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   9.06%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
  8. Cboe EDGX Option Exchange
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   8.70%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   3.15%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
  9. The MIAX Options Exchange
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   7.11%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   2.76%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
 10. NYSE American Options
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   3.16%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   0.79%

       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
*END OF DATA*