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← Man Group PLC, its record

Man Group PLC and Marshall Wace LLP: where the books meet

At Q2 2026, at least 27% of the two 13F books was the same, across 185 stocks both listed, against 17% at Q1 2018. 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%32%Q1 2018: 17%, 142 in both18Q2 2018: 20%, 175 in bothQ3 2018: 17%, 155 in bothQ4 2018: 18%, 144 in bothQ1 2019: 18%, 154 in both19Q2 2019: 18%, 150 in bothQ3 2019: 21%, 157 in bothQ4 2019: 21%, 167 in bothQ1 2020: 23%, 166 in both20Q2 2020: 24%, 165 in bothQ3 2020: 27%, 192 in bothQ4 2020: 21%, 161 in bothQ1 2021: 20%, 155 in both21Q2 2021: 21%, 165 in bothQ3 2021: 18%, 142 in bothQ4 2021: 28%, 177 in bothQ1 2022: 25%, 166 in both22Q2 2022: 27%, 177 in bothQ3 2022: 25%, 169 in bothQ4 2022: 26%, 179 in bothQ1 2023: 26%, 165 in both23Q2 2023: 30%, 192 in bothQ3 2023: 31%, 203 in bothQ4 2023: 28%, 181 in bothQ1 2024: 28%, 195 in both24Q2 2024: 32%, 189 in bothQ3 2024: 29%, 196 in bothQ4 2024: 30%, 203 in bothQ1 2025: 28%, 190 in both25Q2 2025: 31%, 194 in bothQ3 2025: 30%, 192 in bothQ4 2025: 31%, 207 in bothQ1 2026: 27%, 192 in both26Q2 2026: 27%, 185 in both
  • Q1 2018: 17%, 142 in both
  • Q2 2018: 20%, 175 in both
  • Q3 2018: 17%, 155 in both
  • Q4 2018: 18%, 144 in both
  • Q1 2019: 18%, 154 in both
  • Q2 2019: 18%, 150 in both
  • Q3 2019: 21%, 157 in both
  • Q4 2019: 21%, 167 in both
  • Q1 2020: 23%, 166 in both
  • Q2 2020: 24%, 165 in both
  • Q3 2020: 27%, 192 in both
  • Q4 2020: 21%, 161 in both
  • Q1 2021: 20%, 155 in both
  • Q2 2021: 21%, 165 in both
  • Q3 2021: 18%, 142 in both
  • Q4 2021: 28%, 177 in both
  • Q1 2022: 25%, 166 in both
  • Q2 2022: 27%, 177 in both
  • Q3 2022: 25%, 169 in both
  • Q4 2022: 26%, 179 in both
  • Q1 2023: 26%, 165 in both
  • Q2 2023: 30%, 192 in both
  • Q3 2023: 31%, 203 in both
  • Q4 2023: 28%, 181 in both
  • Q1 2024: 28%, 195 in both
  • Q2 2024: 32%, 189 in both
  • Q3 2024: 29%, 196 in both
  • Q4 2024: 30%, 203 in both
  • Q1 2025: 28%, 190 in both
  • Q2 2025: 31%, 194 in both
  • Q3 2025: 30%, 192 in both
  • Q4 2025: 31%, 207 in both
  • Q1 2026: 27%, 192 in both
  • Q2 2026: 27%, 185 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.

StockMan Group PLCMarshall Wace LLP
Apple Inc(AAPL)3.0%Added2.1%Added
Amazon Com Inc(AMZN)1.7%Added1.8%Added
Nvidia Corp(NVDA)3.5%Added1.4%Trimmed
Microsoft Corp(MSFT)1.6%Trimmed1.0%Trimmed
Micron Technology Inc(MU)0.9%Trimmed1.2%Added
Advanced Micro Devices Inc(AMD)0.7%Trimmed1.8%Added
Taiwan Semiconductor MFG LTD(TSM)0.8%Trimmed0.7%Trimmed
Costco WHSL Corp New(COST)0.7%Added0.9%Added
Alphabet Inc(GOOGL)1.4%Trimmed0.6%Trimmed
Abbvie Inc(ABBV)0.7%Trimmed0.6%Added
Bank Amer Corp(BAC)0.5%Added0.6%Added
JPMorgan Chase & Co(JPM)0.6%Trimmed0.5%Added
Tesla Inc(TSLA)0.4%Trimmed0.7%Added
Facebook Inc(META)0.8%Trimmed0.4%Trimmed
Broadcom Inc(AVGO)1.3%Trimmed0.4%Trimmed
Applied Matls Inc(AMAT)0.5%Trimmed0.3%Trimmed
Lilly Eli & Co(LLY)0.8%Trimmed0.3%Trimmed
Uber Technologies Inc(UBER)0.3%Added0.3%Added
Chevron Corp(CVX)0.3%Added0.3%Trimmed
T Mobile US Inc(TMUS)0.4%Added0.3%Trimmed

and 165 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.

  • Advanced Micro Devices Inc(AMD)Man Group PLC trimmed; Marshall Wace LLP added
  • Nvidia Corp(NVDA)Man Group PLC added; Marshall Wace LLP trimmed
  • Micron Technology Inc(MU)Man Group PLC trimmed; Marshall Wace LLP added
  • Morgan Stanley(MS)Man Group PLC trimmed; Marshall Wace LLP added
  • Tesla Inc(TSLA)Man Group PLC trimmed; Marshall Wace LLP added
  • Abbvie Inc(ABBV)Man Group PLC trimmed; Marshall Wace LLP added
  • JPMorgan Chase & Co(JPM)Man Group PLC trimmed; Marshall Wace LLP added
  • Bloom Energy C-a(BE)Man Group PLC trimmed; Marshall Wace LLP added
  • American Express Co(AXP)Man Group PLC trimmed; Marshall Wace LLP added
  • Qualcomm Inc(QCOM)Man Group PLC trimmed; Marshall Wace LLP added
  • Monster Beverage Corp New(MNST)Man Group PLC trimmed; Marshall Wace LLP added
  • Chevron Corp(CVX)Man Group PLC added; Marshall Wace LLP trimmed
Man Group PLC: the recordMarshall Wace LLP: the record

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