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← Acadian Asset Management LLC, its record

Acadian Asset Management LLC and Neuberger Berman Group LLC: where the books meet

At Q2 2026, at least 40% of the two 13F books was the same, across 174 stocks both listed, against 0.0% 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%20%41%Q2 2013: 0.0%, 0 in bothQ3 2013: 10%, 86 in bothQ4 2013: 11%, 81 in bothQ1 2014: 9.0%, 86 in both14Q2 2014: 7.4%, 84 in bothQ3 2014: 8.2%, 82 in bothQ4 2014: 9.6%, 75 in bothQ1 2015: 11%, 80 in both15Q2 2015: 12%, 87 in bothQ3 2015: 11%, 85 in bothQ4 2015: 13%, 89 in bothQ1 2016: 12%, 90 in both16Q2 2016: 13%, 80 in bothQ3 2016: 14%, 88 in bothQ4 2016: 17%, 95 in bothQ1 2017: 18%, 96 in both17Q2 2017: 18%, 108 in bothQ3 2017: 18%, 103 in bothQ4 2017: 17%, 108 in bothQ1 2018: 17%, 120 in both18Q2 2018: 16%, 112 in bothQ3 2018: 17%, 111 in bothQ4 2018: 18%, 126 in bothQ1 2019: 18%, 119 in both19Q2 2019: 17%, 107 in bothQ3 2019: 18%, 116 in bothQ4 2019: 18%, 108 in bothQ1 2020: 21%, 114 in both20Q2 2020: 24%, 127 in bothQ3 2020: 23%, 125 in bothQ4 2020: 22%, 135 in bothQ1 2021: 22%, 132 in both21Q2 2021: 23%, 135 in bothQ3 2021: 21%, 141 in bothQ4 2021: 25%, 142 in bothQ1 2022: 25%, 152 in both22Q2 2022: 25%, 157 in bothQ3 2022: 25%, 149 in bothQ4 2022: 25%, 159 in bothQ1 2023: 24%, 157 in both23Q2 2023: 25%, 140 in bothQ3 2023: 25%, 145 in bothQ4 2023: 25%, 138 in bothQ1 2024: 26%, 141 in both24Q2 2024: 30%, 159 in bothQ3 2024: 29%, 161 in bothQ4 2024: 30%, 157 in bothQ1 2025: 31%, 156 in both25Q2 2025: 36%, 167 in bothQ3 2025: 37%, 175 in bothQ4 2025: 38%, 170 in bothQ1 2026: 39%, 182 in both26Q2 2026: 40%, 174 in both
  • Q2 2013: 0.0%, 0 in both
  • Q3 2013: 10%, 86 in both
  • Q4 2013: 11%, 81 in both
  • Q1 2014: 9.0%, 86 in both
  • Q2 2014: 7.4%, 84 in both
  • Q3 2014: 8.2%, 82 in both
  • Q4 2014: 9.6%, 75 in both
  • Q1 2015: 11%, 80 in both
  • Q2 2015: 12%, 87 in both
  • Q3 2015: 11%, 85 in both
  • Q4 2015: 13%, 89 in both
  • Q1 2016: 12%, 90 in both
  • Q2 2016: 13%, 80 in both
  • Q3 2016: 14%, 88 in both
  • Q4 2016: 17%, 95 in both
  • Q1 2017: 18%, 96 in both
  • Q2 2017: 18%, 108 in both
  • Q3 2017: 18%, 103 in both
  • Q4 2017: 17%, 108 in both
  • Q1 2018: 17%, 120 in both
  • Q2 2018: 16%, 112 in both
  • Q3 2018: 17%, 111 in both
  • Q4 2018: 18%, 126 in both
  • Q1 2019: 18%, 119 in both
  • Q2 2019: 17%, 107 in both
  • Q3 2019: 18%, 116 in both
  • Q4 2019: 18%, 108 in both
  • Q1 2020: 21%, 114 in both
  • Q2 2020: 24%, 127 in both
  • Q3 2020: 23%, 125 in both
  • Q4 2020: 22%, 135 in both
  • Q1 2021: 22%, 132 in both
  • Q2 2021: 23%, 135 in both
  • Q3 2021: 21%, 141 in both
  • Q4 2021: 25%, 142 in both
  • Q1 2022: 25%, 152 in both
  • Q2 2022: 25%, 157 in both
  • Q3 2022: 25%, 149 in both
  • Q4 2022: 25%, 159 in both
  • Q1 2023: 24%, 157 in both
  • Q2 2023: 25%, 140 in both
  • Q3 2023: 25%, 145 in both
  • Q4 2023: 25%, 138 in both
  • Q1 2024: 26%, 141 in both
  • Q2 2024: 30%, 159 in both
  • Q3 2024: 29%, 161 in both
  • Q4 2024: 30%, 157 in both
  • Q1 2025: 31%, 156 in both
  • Q2 2025: 36%, 167 in both
  • Q3 2025: 37%, 175 in both
  • Q4 2025: 38%, 170 in both
  • Q1 2026: 39%, 182 in both
  • Q2 2026: 40%, 174 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.

StockAcadian Asset Management LLCNeuberger Berman Group LLC
Nvidia Corp(NVDA)4.6%Added4.1%Added
Apple Inc(AAPL)5.5%Added3.3%Added
Amazon Com Inc(AMZN)2.4%Added3.1%Added
Alphabet Inc(GOOGL)2.6%Trimmed2.4%Added
Microsoft Corp(MSFT)2.1%Trimmed2.6%Trimmed
Alphabet Inc(GOOG)1.2%Trimmed2.1%Added
Broadcom LTD(AVGO)1.3%Added1.0%Trimmed
Asml Holding N V(ASML)1.2%Trimmed1.0%Added
Facebook Inc(META)1.3%Added0.9%Added
JP Morgan Chase &(JPM)0.9%Trimmed1.7%Added
Eli Lilly & Co(LLY)0.7%Trimmed1.4%Trimmed
Micron Technology Inc(MU)1.6%Trimmed0.7%Trimmed
Berkshire Hathaway Inc Del(BRK-B)0.7%Trimmed0.6%Added
Advanced Micro Devices Inc(AMD)0.7%Added0.6%Trimmed
Applied Matls Inc(AMAT)1.7%Trimmed0.6%Added
Costco WHSL Corp New(COST)1.3%Added0.5%Trimmed
Intel Corp(INTC)0.5%Added0.6%Trimmed
Exxon Mobil Corp(XOM)0.5%Trimmed0.6%Trimmed
Lam Research Corp(LRCX)1.1%Trimmed0.5%Added
Cisco Sys Inc(CSCO)0.8%Added0.4%Trimmed

and 154 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.

  • Alphabet Inc(GOOGL)Acadian Asset Management LLC trimmed; Neuberger Berman Group LLC added
  • Alphabet Inc(GOOG)Acadian Asset Management LLC trimmed; Neuberger Berman Group LLC added
  • JP Morgan Chase &(JPM)Acadian Asset Management LLC trimmed; Neuberger Berman Group LLC added
  • Broadcom LTD(AVGO)Acadian Asset Management LLC added; Neuberger Berman Group LLC trimmed
  • Asml Holding N V(ASML)Acadian Asset Management LLC trimmed; Neuberger Berman Group LLC added
  • Applied Matls Inc(AMAT)Acadian Asset Management LLC trimmed; Neuberger Berman Group LLC added
  • Costco WHSL Corp New(COST)Acadian Asset Management LLC added; Neuberger Berman Group LLC trimmed
  • Johnson & Johnson(JNJ)Acadian Asset Management LLC trimmed; Neuberger Berman Group LLC added
  • Berkshire Hathaway Inc Del(BRK-B)Acadian Asset Management LLC trimmed; Neuberger Berman Group LLC added
  • Intel Corp(INTC)Acadian Asset Management LLC added; Neuberger Berman Group LLC trimmed
  • Pepsico Inc(PEP)Acadian Asset Management LLC added; Neuberger Berman Group LLC trimmed
  • Lam Research Corp(LRCX)Acadian Asset Management LLC trimmed; Neuberger Berman Group LLC added
Acadian Asset Management LLC: the recordNeuberger Berman Group LLC: the record

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