1.2 CAMBRIDGE INVESTMENT RESEARCH 2021 02 2021-07-09T08:47:17Z 2021 04 100.00 90.33 1.74 6.29 1.64 Citadel Securities LLC CDRG 35.94 50.14 46.64 6.99 2.14 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] VIRTU Americas, LLC NITE 19.74 26.76 25.75 3.77 4.47 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] National Financial Services LLC XSTM 14.70 0.00 0.00 0.00 91.22 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] JANE STREET CAPITAL, LLC JNST 9.84 13.73 17.54 2.11 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] New York Stock Exchange NYSE 7.07 0.00 3.73 47.22 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] NASDAQ Execution Services, LLC NSDQ 5.27 0.02 1.87 35.21 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Two Sigma Securities, LLC SOHO 2.74 3.79 2.99 0.59 0.32 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] UBS Securities, LLC UBSS 2.04 2.74 1.12 0.31 0.80 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] G1 Execution Services, LLC ETMM 1.99 2.82 0.37 0.42 0.10 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Cboe EDGX US Equities Exchange EDGX 0.50 0.00 0.00 3.39 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] 100.00 89.89 1.49 7.42 1.20 Citadel Securities LLC CDRG 33.32 49.93 45.18 7.23 1.39 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] National Financial Services LLC XSTM 24.37 0.00 0.00 0.00 94.39 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] VIRTU Americas, LLC NITE 17.77 26.25 26.96 3.61 1.67 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] JANE STREET CAPITAL, LLC JNST 9.48 14.38 15.18 1.75 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] NASDAQ Execution Services, LLC NSDQ 3.33 0.00 1.25 35.10 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] NYSE Arca ARCA 2.64 0.00 0.54 27.91 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Two Sigma Securities, LLC SOHO 2.56 3.88 4.82 0.38 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] UBS Securities, LLC UBSS 1.95 2.89 3.75 0.22 0.19 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] G1 Execution Services, LLC ETMM 1.77 2.66 1.79 0.26 0.12 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] New York Stock Exchange NYSE 1.07 0.00 0.54 11.24 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] 100.00 77.49 7.95 13.21 1.34 Citadel Securities LLC CDRG 47.67 46.71 50.75 48.04 79.41 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Susquehanna Capital Group SUSQ 32.92 37.37 36.32 14.43 20.59 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Dash Financial Technologies LLC DASH 10.08 9.39 5.47 15.46 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Wolverine Execution Services LLC WEXX 5.00 1.84 1.99 19.38 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Morgan Stanley & Company LLC MSCO 4.33 4.70 5.47 2.68 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] 2021 05 100.00 92.57 0.79 5.52 1.13 Citadel Securities LLC CDRG 36.22 49.99 37.68 8.64 1.65 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] VIRTU Americas, LLC NITE 20.04 27.15 22.46 4.61 2.97 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] National Financial Services LLC XSTM 16.40 0.00 0.00 0.00 93.46 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] JANE STREET CAPITAL, LLC JNST 10.28 14.41 7.25 2.06 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] New York Stock Exchange NYSE 5.32 0.00 8.70 41.86 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] NASDAQ Execution Services, LLC NSDQ 4.89 0.00 15.22 38.05 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Two Sigma Securities, LLC SOHO 2.68 3.74 3.62 0.42 0.06 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] UBS Securities, LLC UBSS 1.84 2.51 1.45 0.42 0.27 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] G1 Execution Services, LLC ETMM 1.62 2.20 3.62 0.55 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Cboe EDGX US Equities Exchange EDGX 0.43 0.00 0.00 3.40 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] 100.00 93.08 1.11 4.75 1.06 Citadel Securities LLC CDRG 33.81 49.73 47.70 8.01 1.01 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] National Financial Services LLC XSTM 25.48 0.00 0.00 0.00 94.91 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] VIRTU Americas, LLC NITE 18.61 26.98 21.31 4.48 1.65 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] JANE STREET CAPITAL, LLC JNST 9.44 13.95 15.74 2.49 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Two Sigma Securities, LLC SOHO 2.52 3.74 3.15 0.53 0.01 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] NASDAQ Execution Services, LLC NSDQ 2.30 0.00 4.12 33.50 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] UBS Securities, LLC UBSS 1.99 2.91 2.18 0.34 0.13 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] G1 Execution Services, LLC ETMM 1.80 2.68 2.18 0.36 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] NYSE Arca ARCA 1.48 0.00 1.21 21.74 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] New York Stock Exchange NYSE 1.09 0.00 2.42 15.80 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] 100.00 68.70 13.69 16.35 1.26 Citadel Securities LLC CDRG 46.29 45.76 44.07 47.37 77.78 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Susquehanna Capital Group SUSQ 36.28 41.97 44.41 17.11 14.81 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Dash Financial Technologies LLC DASH 7.43 5.69 5.08 13.53 7.41 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Wolverine Execution Services LLC WEXX 5.58 2.10 0.68 18.23 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Morgan Stanley & Company LLC MSCO 4.42 4.47 5.76 3.76 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] 2021 06 100.00 88.97 2.41 7.18 1.44 Citadel Securities LLC CDRG 34.34 49.79 44.55 8.74 2.24 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] VIRTU Americas, LLC NITE 19.46 27.33 28.97 5.37 3.73 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] National Financial Services LLC XSTM 15.81 0.00 0.00 0.00 92.09 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] JANE STREET CAPITAL, LLC JNST 9.81 14.49 15.26 1.91 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] New York Stock Exchange NYSE 7.26 0.00 0.62 41.39 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] NASDAQ Execution Services, LLC NSDQ 6.72 0.00 2.49 38.09 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Two Sigma Securities, LLC SOHO 2.40 3.55 2.80 0.57 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] G1 Execution Services, LLC ETMM 1.70 2.50 2.80 0.38 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] UBS Securities, LLC UBSS 1.60 2.34 2.18 0.29 0.16 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Cboe EDGX US Equities Exchange EDGX 0.58 0.00 0.31 3.27 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] 100.00 93.16 1.16 4.94 0.74 Citadel Securities LLC CDRG 33.04 50.13 46.70 6.24 0.81 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] National Financial Services LLC XSTM 25.28 0.00 0.00 0.00 95.69 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] VIRTU Americas, LLC NITE 18.11 27.24 26.90 3.74 0.86 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] JANE STREET CAPITAL, LLC JNST 9.34 14.27 13.96 1.64 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] NASDAQ Execution Services, LLC NSDQ 4.31 0.00 1.78 46.86 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Two Sigma Securities, LLC SOHO 2.09 3.17 4.82 0.44 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] UBS Securities, LLC UBSS 1.74 2.59 1.02 0.15 0.26 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] G1 Execution Services, LLC ETMM 1.70 2.60 2.79 0.29 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] New York Stock Exchange NYSE 1.55 0.00 1.52 16.81 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] NYSE Arca ARCA 1.26 0.00 0.51 13.69 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] 100.00 74.26 9.34 13.41 2.98 Citadel Securities LLC CDRG 47.22 44.87 47.08 50.30 79.22 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Susquehanna Capital Group SUSQ 35.61 40.03 37.92 23.89 20.78 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Dash Financial Technologies LLC DASH 8.14 7.65 9.17 10.09 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Morgan Stanley & Company LLC MSCO 4.64 5.41 4.17 3.12 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).] Wolverine Execution Services LLC WEXX 4.40 2.03 1.67 12.61 0.00 0 0.0000 0 0.0000 0 0.0000 0 0.0000 [Insert discussion of the material aspects of the relationship with this venue pursuant to rule 606(a)(1)(iv).]