1.2 CAMBRIDGE INVESTMENT RESEARCH 2021 03 2021-10-14T09:05:59Z 2021 07 100.00 89.29 1.14 8.00 1.56 Citadel Securities LLC CDRG 35.38 50.06 31.05 10.72 2.52 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 20.21 27.58 23.16 6.87 4.45 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 14.24 0.00 0.00 0.00 90.91 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).] JANE STREET CAPITAL, LLC JNST 9.96 14.07 11.05 3.58 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 7.52 0.00 20.00 40.88 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 6.11 0.00 6.84 33.78 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 2.44 3.43 4.21 0.78 0.04 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 1.84 2.57 3.16 0.68 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).] UBS Securities, LLC UBSS 1.66 2.29 0.53 0.52 0.45 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 0.39 0.00 0.00 2.18 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 93.12 1.30 4.47 1.10 Citadel Securities LLC CDRG 34.21 49.50 48.65 8.99 0.99 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 24.18 0.00 0.00 0.00 94.73 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).] VIRTU Americas, LLC NITE 19.14 26.87 27.25 7.95 1.86 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 9.86 14.46 9.68 2.42 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 2.45 3.55 4.28 0.68 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).] NASDAQ Execution Services, LLC NSDQ 2.44 0.00 1.80 33.94 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 2.16 3.07 2.25 0.52 0.25 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 1.75 2.55 2.03 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).] New York Stock Exchange NYSE 1.27 0.00 3.15 17.28 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 1.17 0.00 0.90 16.20 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 84.31 2.71 11.87 1.12 Citadel Securities LLC CDRG 48.22 47.43 60.29 48.82 67.86 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).] Susquehanna Capital Group SUSQ 34.30 38.92 26.47 17.06 17.86 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).] Dash Financial Technologies LLC DASH 7.64 6.66 5.88 11.57 14.29 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 5.25 1.98 0.00 19.80 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).] Morgan Stanley & Company LLC MSCO 4.59 5.01 7.35 2.75 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).] 2021 08 100.00 91.48 0.97 6.33 1.21 Citadel Securities LLC CDRG 34.85 49.24 46.15 8.77 1.77 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 19.40 26.90 27.69 4.42 3.53 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 14.81 0.00 0.00 0.00 92.98 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 10.90 15.76 10.00 2.09 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).] New York Stock Exchange NYSE 7.89 0.00 7.69 46.56 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 5.75 0.00 6.15 33.86 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 2.21 3.17 1.54 0.52 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 1.82 2.65 0.77 0.31 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 1.62 2.27 0.00 0.31 0.37 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 0.53 0.00 0.00 3.17 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 94.29 1.05 3.69 0.98 Citadel Securities LLC CDRG 33.98 49.61 49.16 7.06 0.97 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 24.76 0.00 0.00 0.00 95.09 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).] VIRTU Americas, LLC NITE 18.55 26.79 23.46 4.94 1.08 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 10.35 15.27 12.29 1.94 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 2.21 0.00 2.51 31.48 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 2.14 3.13 3.07 0.65 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 1.97 2.89 3.91 0.41 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 1.69 2.30 0.84 0.21 0.57 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 1.42 0.00 1.68 20.18 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 1.41 0.00 2.79 20.04 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 80.18 2.61 15.61 1.60 Citadel Securities LLC CDRG 45.41 45.51 49.21 42.52 81.58 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 34.62 39.27 39.68 21.02 18.42 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 8.12 6.51 3.17 14.01 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 6.07 6.88 6.35 3.98 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 5.77 1.84 1.59 18.47 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 09 100.00 92.75 0.87 4.66 1.72 Citadel Securities LLC CDRG 35.50 48.92 43.10 8.73 3.52 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 19.89 27.28 18.10 4.74 3.00 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).] National Financial Services LLC XSTM 13.36 0.00 0.00 0.00 90.33 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 11.69 16.42 12.07 2.74 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 7.01 0.00 16.38 41.56 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 6.40 0.01 2.59 38.46 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).] Two Sigma Securities, LLC SOHO 2.22 3.13 4.31 0.39 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).] G1 Execution Services, LLC ETMM 1.91 2.73 0.86 0.28 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 1.42 1.51 2.59 0.32 2.16 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 0.46 0.00 0.00 2.78 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 93.93 1.16 3.50 1.41 Citadel Securities LLC CDRG 33.14 49.45 40.59 6.50 1.23 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 24.03 0.00 0.00 0.00 94.19 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).] VIRTU Americas, LLC NITE 18.47 26.99 23.76 4.59 1.77 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 10.63 15.91 21.78 2.27 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).] NYSE Arca ARCA 3.21 0.00 1.65 34.77 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 2.15 0.00 3.30 23.07 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 1.97 2.99 2.64 0.26 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 1.77 2.65 2.64 0.40 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).] UBS Securities, LLC UBSS 1.56 2.02 2.64 0.23 0.85 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 0.99 11.51 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 79.51 2.58 14.88 3.03 Citadel Securities LLC CDRG 46.13 45.73 39.66 44.54 76.12 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).] Susquehanna Capital Group SUSQ 34.87 39.48 53.45 20.67 23.88 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 6.70 6.31 3.45 8.91 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).] Wolverine Execution Services LLC WEXX 6.26 1.76 1.72 20.67 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 6.05 6.71 1.72 5.21 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).]