1.2 CAMBRIDGE INVESTMENT RESEARCH 2021 04 2022-01-05T16:32:22Z 2021 10 100.00 92.24 1.31 4.88 1.57 Citadel Securities LLC CDRG 35.49 49.33 37.13 8.88 2.74 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 19.45 26.66 17.96 4.55 3.67 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).] National Financial Services LLC XSTM 13.39 0.00 0.00 0.00 88.51 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 12.17 17.05 22.75 2.77 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).] New York Stock Exchange NYSE 8.17 0.00 7.19 49.11 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).] NASDAQ Execution Services, LLC NSDQ 5.08 0.00 8.38 30.33 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 1.96 2.74 2.99 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).] Two Sigma Securities, LLC SOHO 1.93 2.76 1.80 0.33 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 1.63 1.47 1.20 0.26 3.91 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).] Cboe EDGX US Equities Exchange EDGX 0.54 0.00 0.60 3.25 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 94.22 1.98 2.84 0.97 Citadel Securities LLC CDRG 33.94 49.67 47.88 9.25 0.76 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 25.44 0.00 0.00 0.00 94.30 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 18.37 26.53 27.82 4.85 1.19 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).] JANE STREET CAPITAL, LLC JNST 11.18 16.53 14.79 2.58 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).] G1 Execution Services, LLC ETMM 2.00 2.96 2.34 0.46 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 1.93 2.84 3.22 0.46 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 1.93 0.00 0.44 31.08 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 1.41 1.47 1.46 0.23 1.53 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).] New York Stock Exchange NYSE 1.30 0.00 0.88 20.84 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 0.87 0.00 1.17 13.71 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 79.36 2.34 17.11 1.19 Citadel Securities LLC CDRG 44.56 44.68 56.36 41.36 82.14 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).] Susquehanna Capital Group SUSQ 35.79 41.14 34.55 20.27 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 7.24 1.82 3.64 24.75 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).] Dash Financial Technologies LLC DASH 6.70 6.26 1.82 8.64 3.57 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).] Morgan Stanley & Company LLC MSCO 5.72 6.10 3.64 4.98 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).] 2021 11 100.00 92.97 1.04 5.30 0.69 Citadel Securities LLC CDRG 36.67 49.90 43.09 10.01 1.48 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 26.23 16.57 5.96 1.68 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 14.71 0.00 0.00 0.00 95.36 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 12.87 17.52 14.92 4.08 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 5.34 0.00 17.13 36.37 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 5.33 0.00 3.87 37.13 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 2.01 2.71 2.21 0.80 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).] Two Sigma Securities, LLC SOHO 1.67 2.31 1.10 0.31 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 1.04 1.34 1.10 0.24 0.42 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).] Cboe EDGX US Equities Exchange EDGX 0.70 0.00 0.00 4.92 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 94.05 1.35 3.81 0.78 Citadel Securities LLC CDRG 33.38 49.59 42.77 8.86 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 24.87 0.00 0.00 0.00 94.43 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 17.50 25.69 26.53 5.39 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).] JANE STREET CAPITAL, LLC JNST 11.94 17.83 20.00 2.86 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 2.54 0.00 2.18 31.13 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 2.66 2.57 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).] Two Sigma Securities, LLC SOHO 1.67 2.51 1.58 0.30 0.05 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 1.66 0.00 0.40 20.39 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).] UBS Securities, LLC UBSS 1.36 1.73 1.58 0.14 0.84 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 1.33 0.00 2.18 16.21 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).] 100.00 76.39 3.85 16.28 3.47 Citadel Securities LLC CDRG 47.70 45.98 49.12 46.91 89.00 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).] Susquehanna Capital Group SUSQ 34.26 40.34 33.33 17.10 7.00 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).] Dash Financial Technologies LLC DASH 6.34 5.41 6.14 10.10 4.00 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 5.95 1.96 3.51 21.66 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 5.72 6.32 7.02 4.23 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).] Interactive Brokers LLC IBKR 0.03 0.00 0.88 0.00 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 12 100.00 93.51 1.07 4.03 1.40 Citadel Securities LLC CDRG 35.76 46.68 43.09 8.94 3.57 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).] VIRTU Americas, LLC NITE 20.88 26.97 20.74 5.47 3.60 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 14.93 19.81 17.02 3.69 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).] National Financial Services LLC XSTM 13.31 0.00 0.00 0.00 91.76 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 4.77 0.00 5.85 38.36 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).] NASDAQ Execution Services, LLC NSDQ 4.74 0.00 5.85 38.14 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 2.49 3.28 5.32 0.60 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 1.29 1.70 1.06 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 1.22 1.56 1.06 0.15 0.41 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).] Cboe EDGX US Equities Exchange EDGX 0.50 0.00 0.00 4.06 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).] 100.00 95.47 1.13 2.62 0.77 Citadel Securities LLC CDRG 31.77 46.17 41.67 8.66 0.35 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 25.58 0.00 0.00 0.00 95.34 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 18.66 26.65 29.27 4.53 1.33 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 13.32 19.49 17.31 2.76 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).] G1 Execution Services, LLC ETMM 2.32 3.39 4.27 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).] NASDAQ Execution Services, LLC NSDQ 1.90 0.00 2.56 34.10 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).] UBS Securities, LLC UBSS 1.71 2.38 1.07 0.22 0.36 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 1.31 1.92 1.71 0.19 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).] NYSE Arca ARCA 1.16 0.00 0.85 21.04 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).] New York Stock Exchange NYSE 0.76 0.00 1.07 13.68 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).] 100.00 66.89 5.79 24.38 2.94 Citadel Securities LLC CDRG 50.72 51.66 48.57 46.64 82.86 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 28.56 34.86 37.86 16.14 17.14 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).] Wolverine Execution Services LLC WEXX 8.21 2.19 1.43 21.32 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).] Dash Financial Technologies LLC DASH 7.76 6.46 2.86 11.66 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 4.75 4.83 9.29 4.24 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).]