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Winton Group Ltd and T. Rowe Price Associates Inc: where the books meet

At Q2 2026, at least 18% of the two 13F books was the same, across 136 stocks both listed, against 30% at Q2 2014. Overlap is the smaller of each shared stock’s two weights, added up: the part of one book that could be swapped for the other’s without a trade.

Overlap by quarter
0%16%31%Q2 2014: 30%, 239 in bothQ3 2014: 30%, 240 in bothQ4 2014: 26%, 236 in bothQ1 2015: 26%, 217 in both15Q2 2015: 25%, 193 in bothQ3 2015: 27%, 199 in bothQ4 2015: 23%, 167 in bothQ1 2016: 24%, 153 in both16Q2 2016: 25%, 151 in bothQ3 2016: 25%, 189 in bothQ4 2016: 23%, 203 in bothQ1 2017: 26%, 191 in both17Q2 2017: 31%, 241 in bothQ3 2017: 30%, 233 in bothQ4 2017: 28%, 227 in bothQ1 2018: 25%, 186 in both18Q2 2018: 24%, 199 in bothQ3 2018: 21%, 193 in bothQ4 2018: 20%, 192 in bothQ1 2019: 19%, 179 in both19Q2 2019: 17%, 177 in bothQ3 2019: 20%, 184 in bothQ4 2019: 14%, 154 in bothQ1 2020: 17%, 170 in both20Q2 2020: 15%, 156 in bothQ3 2020: 14%, 143 in bothQ4 2020: 13%, 142 in bothQ1 2021: 11%, 139 in both21Q2 2021: 12%, 139 in bothQ3 2021: 14%, 145 in bothQ4 2021: 15%, 161 in bothQ1 2022: 16%, 171 in both22Q2 2022: 18%, 174 in bothQ3 2022: 18%, 175 in bothQ4 2022: 18%, 171 in bothQ1 2023: 19%, 182 in both23Q2 2023: 17%, 135 in bothQ3 2023: 16%, 131 in bothQ4 2023: 12%, 116 in bothQ1 2024: 14%, 142 in both24Q2 2024: 14%, 149 in bothQ3 2024: 14%, 126 in bothQ4 2024: 12%, 132 in bothQ1 2025: 15%, 150 in both25Q2 2025: 18%, 170 in bothQ3 2025: 18%, 158 in bothQ4 2025: 17%, 134 in bothQ1 2026: 19%, 153 in both26Q2 2026: 18%, 136 in both
  • Q2 2014: 30%, 239 in both
  • Q3 2014: 30%, 240 in both
  • Q4 2014: 26%, 236 in both
  • Q1 2015: 26%, 217 in both
  • Q2 2015: 25%, 193 in both
  • Q3 2015: 27%, 199 in both
  • Q4 2015: 23%, 167 in both
  • Q1 2016: 24%, 153 in both
  • Q2 2016: 25%, 151 in both
  • Q3 2016: 25%, 189 in both
  • Q4 2016: 23%, 203 in both
  • Q1 2017: 26%, 191 in both
  • Q2 2017: 31%, 241 in both
  • Q3 2017: 30%, 233 in both
  • Q4 2017: 28%, 227 in both
  • Q1 2018: 25%, 186 in both
  • Q2 2018: 24%, 199 in both
  • Q3 2018: 21%, 193 in both
  • Q4 2018: 20%, 192 in both
  • Q1 2019: 19%, 179 in both
  • Q2 2019: 17%, 177 in both
  • Q3 2019: 20%, 184 in both
  • Q4 2019: 14%, 154 in both
  • Q1 2020: 17%, 170 in both
  • Q2 2020: 15%, 156 in both
  • Q3 2020: 14%, 143 in both
  • Q4 2020: 13%, 142 in both
  • Q1 2021: 11%, 139 in both
  • Q2 2021: 12%, 139 in both
  • Q3 2021: 14%, 145 in both
  • Q4 2021: 15%, 161 in both
  • Q1 2022: 16%, 171 in both
  • Q2 2022: 18%, 174 in both
  • Q3 2022: 18%, 175 in both
  • Q4 2022: 18%, 171 in both
  • Q1 2023: 19%, 182 in both
  • Q2 2023: 17%, 135 in both
  • Q3 2023: 16%, 131 in both
  • Q4 2023: 12%, 116 in both
  • Q1 2024: 14%, 142 in both
  • Q2 2024: 14%, 149 in both
  • Q3 2024: 14%, 126 in both
  • Q4 2024: 12%, 132 in both
  • Q1 2025: 15%, 150 in both
  • Q2 2025: 18%, 170 in both
  • Q3 2025: 18%, 158 in both
  • Q4 2025: 17%, 134 in both
  • Q1 2026: 19%, 153 in both
  • Q2 2026: 18%, 136 in both

Only quarters both managers filed. Where either filing has more positions than are read each quarter, a stock both hold below that range is not counted, so the figure is a floor.

What the overlap is made of, Q2 2026

Stocks both listed, by the smaller of the two weights. A weight is the stock’s share of that manager’s reported book, which says how large the position is, not how strongly it is held.

StockWinton Group LtdT. Rowe Price Associates Inc
Carvana Co(CVNA)0.7%New0.6%Added
Nvidia Corp(NVDA)0.5%Trimmed7.4%Trimmed
Kla-tencor Corp(KLAC)1.3%Added0.5%Added
Amazon Com Inc(AMZN)0.5%Added2.6%Trimmed
Broadcom Inc(AVGO)0.5%Added3.1%Trimmed
Visa Inc(V)0.5%Added1.2%Trimmed
Alphabet Inc(GOOGL)0.5%Added3.6%Added
Facebook Inc(META)0.5%Added1.7%Trimmed
Berkshire Hathaway Inc Del(BRK-B)0.5%Trimmed0.5%Trimmed
Booking HLDGS Inc(BKNG)0.7%Added0.5%Added
SanDisk Corp(SNDK)0.5%Added0.4%Added
CSX Corp(CSX)0.9%Added0.3%Trimmed
Crowdstrike HLDGS Inc(CRWD)0.9%New0.3%Added
Citigroup Inc(C)0.4%Added0.3%Trimmed
Ge Vernova Inc(GEV)0.5%Trimmed0.3%Trimmed
Stryker Corp(SYK)0.3%Added0.4%Added
Vertiv Holdings Co(VRT)0.3%New0.3%Added
Howmet Aerospace Inc(HWM)0.3%Trimmed0.4%Trimmed
Schlumberger LTD(SLB)0.5%Added0.3%Added
Shopify Inc(SHOP)0.3%Trimmed0.3%Trimmed

and 116 smaller ones

Moved different ways in Q2 2026

Stocks one manager started or added to while the other trimmed or sold out, between the same two quarter ends. A 13F shows the quarter ends, never when in between anything was bought or sold, or why.

  • Broadcom Inc(AVGO)Winton Group Ltd added; T. Rowe Price Associates Inc trimmed
  • Amazon Com Inc(AMZN)Winton Group Ltd added; T. Rowe Price Associates Inc trimmed
  • Facebook Inc(META)Winton Group Ltd added; T. Rowe Price Associates Inc trimmed
  • Micron Technology Inc(MU)Winton Group Ltd trimmed; T. Rowe Price Associates Inc added
  • Visa Inc(V)Winton Group Ltd added; T. Rowe Price Associates Inc trimmed
  • Amphenol Corp New(APH)Winton Group Ltd trimmed; T. Rowe Price Associates Inc added
  • Taiwan Semiconductor MFG LTD(TSM)Winton Group Ltd trimmed; T. Rowe Price Associates Inc added
  • Bank of America Corporation(BAC)Winton Group Ltd started; T. Rowe Price Associates Inc trimmed
  • CSX Corp(CSX)Winton Group Ltd added; T. Rowe Price Associates Inc trimmed
  • Citigroup Inc(C)Winton Group Ltd added; T. Rowe Price Associates Inc trimmed
  • Goldman Sachs Group Inc(GS)Winton Group Ltd started; T. Rowe Price Associates Inc trimmed
  • Thermo Fisher Scientific Inc(TMO)Winton Group Ltd started; T. Rowe Price Associates Inc trimmed
Winton Group Ltd: the recordT. Rowe Price Associates Inc: the record

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