0kj-187A-2019-04-11

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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 MARCH 31,2019

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 75.68%
LIMIT ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 20.60%

OTHER ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 3.72%
VENUES RECEIVING SIGNIFICANT PERCENTAGE OF TOTAL NON-DIRECTED ORDERS :
1. Citadel Securities LLC 46.82%
2. VIRTU Americas LLC 18.49%
3. G1 Execution Services, LLC 12.59%
4. National Financial Services LLC 6.71%
5. Two Sigma Securities, LLC 4.29%
6. New York Stock Exchange 3.27%
7. UBS Securities, LLC 2.04%
8. Cboe EDGX U.S. Equities Exchange 1.57%
9. LaSalle Street Securities, Inc. 1.35%
10. NASDAQ Execution Services, LLC 1.30%
INFORMATION CONCERNING SIGNIFICANT VENUES :
1. Citadel Securities LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 52.23%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 30.91%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 24.76%
2. VIRTU Americas LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 14.95%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 30.47%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 24.27%
3. G1 Execution Services, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 16.14%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 1.66%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.97%
4. National Financial Services LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 8.27%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.79%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 7.77%

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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 MARCH 31,2019
5. Two Sigma Securities, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 5.39%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.88%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.97%
6. 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 15.76%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.49%
7. UBS Securities, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 1.22%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 4.64%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 4.37%
8. 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 7.53%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.49%
9. LaSalle Street Securities, Inc.
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 1.79%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.00%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
10. 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 5.95%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 1.94%

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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 MARCH 31,2019

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 74.12%
LIMIT ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 21.73%

OTHER ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 4.15%
VENUES RECEIVING SIGNIFICANT PERCENTAGE OF TOTAL NON-DIRECTED ORDERS :
1. Citadel Securities LLC 44.90%
2. VIRTU Americas LLC 19.39%
3. G1 Execution Services, LLC 12.69%
4. National Financial Services LLC 6.02%
5. NASDAQ Execution Services, LLC 5.84%
6. Two Sigma Securities, LLC 3.81%
7. Cboe EDGX U.S. Equities Exchange 3.07%
8. UBS Securities, LLC 2.21%
9. Credit Suisse Securities (USA) LLC 0.65%
10. LaSalle Street Securities, Inc. 0.52%
INFORMATION CONCERNING SIGNIFICANT VENUES :
1. Citadel Securities LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 52.07%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 23.06%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 31.11%
2. VIRTU Americas LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 16.17%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 29.84%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 22.22%
3. G1 Execution Services, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 16.67%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 1.56%
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 7.67%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.28%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 6.67%

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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 MARCH 31,2019
5. 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 26.31%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 2.96%
6. Two Sigma Securities, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 4.98%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.57%
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 14.14%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
8. UBS Securities, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 1.70%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 3.39%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 5.19%
9. Credit Suisse Securities (USA) 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 0.00%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 15.56%
10. LaSalle Street Securities, Inc.
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.70%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.00%
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 MARCH 31,2019

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 79.17%
LIMIT ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 19.44%

OTHER ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 1.39%
VENUES RECEIVING SIGNIFICANT PERCENTAGE OF TOTAL NON-DIRECTED ORDERS :
1. Citadel Securities LLC 48.19%
2. VIRTU Americas LLC 22.92%
3. G1 Execution Services, LLC 14.03%
4. Two Sigma Securities, LLC 5.21%
5. UBS Securities, LLC 2.43%
6. National Financial Services LLC 1.81%
7. NASDAQ Execution Services, LLC 1.67%
8. Cboe EDGX U.S. Equities Exchange 1.18%
9. NYSE Arca 1.11%
10. NYSE American 0.97%
INFORMATION CONCERNING SIGNIFICANT VENUES :
1. Citadel Securities LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 57.46%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 10.71%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 45.00%
2. VIRTU Americas LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 14.74%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 55.00%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 40.00%
3. G1 Execution Services, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 17.19%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 2.14%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
4. Two Sigma Securities, LLC
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 6.40%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 0.71%
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 MARCH 31,2019
  5. UBS Securities, LLC
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   1.67%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   5.71%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
  6. National Financial Services LLC
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   2.28%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   0.00%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
  7. 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                   8.57%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
  8. 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                   6.07%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
  9. NYSE Arca
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   0.00%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   5.71%
       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                   5.00%
       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 MARCH 31,2019

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 30.98%
LIMIT ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 66.63%

OTHER ORDERS AS PERCENTAGE OF TOTAL NON-DIRECTED ORDERS 2.39%
VENUES RECEIVING SIGNIFICANT PERCENTAGE OF TOTAL NON-DIRECTED ORDERS :
1. Cboe Options Exchange 31.44%
2. NASDAQ PHLX Options 15.49%
3. NASDAQ Options Market 10.25%
4. NYSE Arca Options 9.45%
5. ISE Gemini Options Exchange 7.97%
6. Cboe BZX Options Exchange, Inc. 6.15%
7. The MIAX Options Exchange 5.24%
8. NYSE American Options 4.67%
9. Cboe EDGX Option Exchange 3.99%
10. BOX Option Exchange 3.30%
INFORMATION CONCERNING SIGNIFICANT VENUES :
1. Cboe Options Exchange
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 53.31%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 20.68%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 47.62%
2. NASDAQ PHLX Options
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 22.43%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 11.62%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 33.33%
3. NASDAQ Options Market
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.74%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 15.04%
OTHER ORDERS AS PERCENTAGE OF TOTAL OTHER ORDERS 0.00%
4. NYSE Arca Options
TYPES OF ORDERS ROUTED TO VENUE :
MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS 0.37%
LIMIT ORDERS AS PERCENTAGE OF TOTAL LIMIT ORDERS 14.02%
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 MARCH 31,2019
  5. ISE Gemini Options Exchange
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   1.84%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                  11.11%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
  6. Cboe BZX Options Exchange, Inc.
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   1.84%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   8.38%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
  7. The MIAX Options Exchange
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   4.78%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   5.64%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
  8. NYSE American Options
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   4.78%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   4.10%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                  19.05%
  9. Cboe EDGX Option Exchange
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   2.21%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   4.96%
       OTHER  ORDERS AS PERCENTAGE OF TOTAL OTHER  ORDERS                   0.00%
 10. BOX Option Exchange
      TYPES OF ORDERS ROUTED TO VENUE :
       MARKET ORDERS AS PERCENTAGE OF TOTAL MARKET ORDERS                   4.04%
       LIMIT  ORDERS AS PERCENTAGE OF TOTAL LIMIT  ORDERS                   3.08%

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