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← D. E. Shaw & Co., its record

D. E. Shaw & Co. and Fidelity (FMR LLC): where the books meet

At Q2 2026, at least 26% of the two 13F books was the same, across 168 stocks both listed, against 27% at Q2 2013. 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%15%30%Q2 2013: 27%, 187 in bothQ3 2013: 23%, 168 in bothQ4 2013: 22%, 166 in bothQ1 2014: 24%, 184 in both14Q2 2014: 21%, 172 in bothQ3 2014: 21%, 171 in bothQ4 2014: 20%, 171 in bothQ1 2015: 22%, 182 in both15Q2 2015: 22%, 193 in bothQ3 2015: 25%, 196 in bothQ4 2015: 23%, 188 in bothQ1 2016: 23%, 184 in both16Q2 2016: 26%, 188 in bothQ3 2016: 25%, 182 in bothQ4 2016: 24%, 181 in bothQ1 2017: 25%, 187 in both17Q2 2017: 26%, 189 in bothQ3 2017: 26%, 178 in bothQ4 2017: 25%, 176 in bothQ1 2018: 26%, 202 in both18Q2 2018: 26%, 195 in bothQ3 2018: 24%, 183 in bothQ4 2018: 23%, 184 in bothQ1 2019: 24%, 184 in both19Q2 2019: 25%, 185 in bothQ3 2019: 26%, 187 in bothQ4 2019: 25%, 175 in bothQ1 2020: 30%, 198 in both20Q2 2020: 28%, 177 in bothQ3 2020: 27%, 174 in bothQ4 2020: 24%, 164 in bothQ1 2021: 25%, 162 in both21Q2 2021: 23%, 148 in bothQ3 2021: 21%, 153 in bothQ4 2021: 20%, 141 in bothQ1 2022: 21%, 158 in both22Q2 2022: 22%, 164 in bothQ3 2022: 23%, 158 in bothQ4 2022: 21%, 154 in bothQ1 2023: 22%, 156 in both23Q2 2023: 24%, 152 in bothQ3 2023: 24%, 147 in bothQ4 2023: 23%, 139 in bothQ1 2024: 26%, 165 in both24Q2 2024: 24%, 157 in bothQ3 2024: 23%, 159 in bothQ4 2024: 23%, 155 in bothQ1 2025: 24%, 166 in both25Q2 2025: 24%, 161 in bothQ3 2025: 24%, 145 in bothQ4 2025: 24%, 163 in bothQ1 2026: 26%, 159 in both26Q2 2026: 26%, 168 in both
  • Q2 2013: 27%, 187 in both
  • Q3 2013: 23%, 168 in both
  • Q4 2013: 22%, 166 in both
  • Q1 2014: 24%, 184 in both
  • Q2 2014: 21%, 172 in both
  • Q3 2014: 21%, 171 in both
  • Q4 2014: 20%, 171 in both
  • Q1 2015: 22%, 182 in both
  • Q2 2015: 22%, 193 in both
  • Q3 2015: 25%, 196 in both
  • Q4 2015: 23%, 188 in both
  • Q1 2016: 23%, 184 in both
  • Q2 2016: 26%, 188 in both
  • Q3 2016: 25%, 182 in both
  • Q4 2016: 24%, 181 in both
  • Q1 2017: 25%, 187 in both
  • Q2 2017: 26%, 189 in both
  • Q3 2017: 26%, 178 in both
  • Q4 2017: 25%, 176 in both
  • Q1 2018: 26%, 202 in both
  • Q2 2018: 26%, 195 in both
  • Q3 2018: 24%, 183 in both
  • Q4 2018: 23%, 184 in both
  • Q1 2019: 24%, 184 in both
  • Q2 2019: 25%, 185 in both
  • Q3 2019: 26%, 187 in both
  • Q4 2019: 25%, 175 in both
  • Q1 2020: 30%, 198 in both
  • Q2 2020: 28%, 177 in both
  • Q3 2020: 27%, 174 in both
  • Q4 2020: 24%, 164 in both
  • Q1 2021: 25%, 162 in both
  • Q2 2021: 23%, 148 in both
  • Q3 2021: 21%, 153 in both
  • Q4 2021: 20%, 141 in both
  • Q1 2022: 21%, 158 in both
  • Q2 2022: 22%, 164 in both
  • Q3 2022: 23%, 158 in both
  • Q4 2022: 21%, 154 in both
  • Q1 2023: 22%, 156 in both
  • Q2 2023: 24%, 152 in both
  • Q3 2023: 24%, 147 in both
  • Q4 2023: 23%, 139 in both
  • Q1 2024: 26%, 165 in both
  • Q2 2024: 24%, 157 in both
  • Q3 2024: 23%, 159 in both
  • Q4 2024: 23%, 155 in both
  • Q1 2025: 24%, 166 in both
  • Q2 2025: 24%, 161 in both
  • Q3 2025: 24%, 145 in both
  • Q4 2025: 24%, 163 in both
  • Q1 2026: 26%, 159 in both
  • Q2 2026: 26%, 168 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.

StockD. E. Shaw & Co.Fidelity (FMR LLC)
Nvidia Corp(NVDA)1.9%Added8.9%Added
Alphabet Inc(GOOGL)1.3%Added3.9%Added
Amazon Com Inc(AMZN)1.2%Added3.8%Added
Alphabet Inc(GOOG)1.1%Added1.9%Added
Facebook Inc(META)0.9%Added2.3%Trimmed
Apple Inc(AAPL)0.8%Trimmed4.1%Added
Tesla MTRS Inc(TSLA)0.9%Trimmed0.7%Added
Advanced Micro Devices Inc(AMD)0.9%Trimmed0.6%Added
Microsoft Corp(MSFT)0.6%Trimmed3.0%Trimmed
SanDisk Corp(SNDK)0.6%Trimmed0.8%Trimmed
Western Digital Corp(WDC)0.6%Trimmed0.7%Trimmed
Intel Corp(INTC)0.6%Trimmed0.6%Added
Broadcom Inc(AVGO)0.5%Trimmed2.4%Added
Mastercard Inc(MA)0.5%Added0.5%Trimmed
Space Exploration Techn Corp(SPCX)0.4%New2.2%New
Micron Technology Inc(MU)0.4%Trimmed1.3%Trimmed
Visa Inc(V)0.4%Added0.6%Trimmed
Marvell Technology Inc(MRVL)0.4%Added0.7%Trimmed
Seagate Technology Hldngs PL(STX)0.6%Added0.3%Trimmed
Wells Fargo & Co New(WFC)0.3%Added0.5%Trimmed

and 148 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.

  • Apple Inc(AAPL)D. E. Shaw & Co. trimmed; Fidelity (FMR LLC) added
  • Broadcom Inc(AVGO)D. E. Shaw & Co. trimmed; Fidelity (FMR LLC) added
  • Facebook Inc(META)D. E. Shaw & Co. added; Fidelity (FMR LLC) trimmed
  • Lilly Eli & Co(LLY)D. E. Shaw & Co. trimmed; Fidelity (FMR LLC) added
  • Marvell Technology Inc(MRVL)D. E. Shaw & Co. added; Fidelity (FMR LLC) trimmed
  • Tesla MTRS Inc(TSLA)D. E. Shaw & Co. trimmed; Fidelity (FMR LLC) added
  • Advanced Micro Devices Inc(AMD)D. E. Shaw & Co. trimmed; Fidelity (FMR LLC) added
  • Visa Inc(V)D. E. Shaw & Co. added; Fidelity (FMR LLC) trimmed
  • Lam Research Corp(LRCX)D. E. Shaw & Co. trimmed; Fidelity (FMR LLC) added
  • Intel Corp(INTC)D. E. Shaw & Co. trimmed; Fidelity (FMR LLC) added
  • Wells Fargo & Co New(WFC)D. E. Shaw & Co. added; Fidelity (FMR LLC) trimmed
  • Mastercard Inc(MA)D. E. Shaw & Co. added; Fidelity (FMR LLC) trimmed
D. E. Shaw & Co.: the recordFidelity (FMR LLC): the record

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