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← AllianceBernstein LP, its record

AllianceBernstein LP and Fidelity (FMR LLC): where the books meet

At Q2 2026, at least 48% of the two 13F books was the same, across 262 stocks both listed, against 44% 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%26%52%Q2 2013: 44%, 262 in bothQ3 2013: 44%, 271 in bothQ4 2013: 45%, 268 in bothQ1 2014: 44%, 275 in both14Q2 2014: 44%, 268 in bothQ3 2014: 44%, 266 in bothQ4 2014: 45%, 263 in bothQ1 2015: 45%, 256 in both15Q2 2015: 45%, 253 in bothQ3 2015: 45%, 263 in bothQ4 2015: 45%, 264 in bothQ1 2016: 45%, 259 in both16Q2 2016: 43%, 265 in bothQ3 2016: 43%, 262 in bothQ4 2016: 43%, 261 in bothQ1 2017: 42%, 256 in both17Q2 2017: 42%, 256 in bothQ3 2017: 43%, 254 in bothQ4 2017: 43%, 244 in bothQ1 2018: 43%, 253 in both18Q2 2018: 44%, 258 in bothQ3 2018: 45%, 258 in bothQ4 2018: 45%, 265 in bothQ1 2019: 44%, 253 in both19Q2 2019: 45%, 261 in bothQ3 2019: 45%, 260 in bothQ4 2019: 46%, 256 in bothQ1 2020: 48%, 257 in both20Q2 2020: 46%, 253 in bothQ3 2020: 46%, 246 in bothQ4 2020: 44%, 238 in bothQ1 2021: 44%, 236 in both21Q2 2021: 44%, 234 in bothQ3 2021: 44%, 234 in bothQ4 2021: 44%, 234 in bothQ1 2022: 44%, 232 in both22Q2 2022: 44%, 240 in bothQ3 2022: 43%, 242 in bothQ4 2022: 42%, 244 in bothQ1 2023: 43%, 242 in both23Q2 2023: 45%, 250 in bothQ3 2023: 46%, 251 in bothQ4 2023: 47%, 251 in bothQ1 2024: 49%, 260 in both24Q2 2024: 50%, 268 in bothQ3 2024: 50%, 259 in bothQ4 2024: 50%, 258 in bothQ1 2025: 50%, 261 in both25Q2 2025: 51%, 260 in bothQ3 2025: 52%, 266 in bothQ4 2025: 52%, 265 in bothQ1 2026: 51%, 263 in both26Q2 2026: 48%, 262 in both
  • Q2 2013: 44%, 262 in both
  • Q3 2013: 44%, 271 in both
  • Q4 2013: 45%, 268 in both
  • Q1 2014: 44%, 275 in both
  • Q2 2014: 44%, 268 in both
  • Q3 2014: 44%, 266 in both
  • Q4 2014: 45%, 263 in both
  • Q1 2015: 45%, 256 in both
  • Q2 2015: 45%, 253 in both
  • Q3 2015: 45%, 263 in both
  • Q4 2015: 45%, 264 in both
  • Q1 2016: 45%, 259 in both
  • Q2 2016: 43%, 265 in both
  • Q3 2016: 43%, 262 in both
  • Q4 2016: 43%, 261 in both
  • Q1 2017: 42%, 256 in both
  • Q2 2017: 42%, 256 in both
  • Q3 2017: 43%, 254 in both
  • Q4 2017: 43%, 244 in both
  • Q1 2018: 43%, 253 in both
  • Q2 2018: 44%, 258 in both
  • Q3 2018: 45%, 258 in both
  • Q4 2018: 45%, 265 in both
  • Q1 2019: 44%, 253 in both
  • Q2 2019: 45%, 261 in both
  • Q3 2019: 45%, 260 in both
  • Q4 2019: 46%, 256 in both
  • Q1 2020: 48%, 257 in both
  • Q2 2020: 46%, 253 in both
  • Q3 2020: 46%, 246 in both
  • Q4 2020: 44%, 238 in both
  • Q1 2021: 44%, 236 in both
  • Q2 2021: 44%, 234 in both
  • Q3 2021: 44%, 234 in both
  • Q4 2021: 44%, 234 in both
  • Q1 2022: 44%, 232 in both
  • Q2 2022: 44%, 240 in both
  • Q3 2022: 43%, 242 in both
  • Q4 2022: 42%, 244 in both
  • Q1 2023: 43%, 242 in both
  • Q2 2023: 45%, 250 in both
  • Q3 2023: 46%, 251 in both
  • Q4 2023: 47%, 251 in both
  • Q1 2024: 49%, 260 in both
  • Q2 2024: 50%, 268 in both
  • Q3 2024: 50%, 259 in both
  • Q4 2024: 50%, 258 in both
  • Q1 2025: 50%, 261 in both
  • Q2 2025: 51%, 260 in both
  • Q3 2025: 52%, 266 in both
  • Q4 2025: 52%, 265 in both
  • Q1 2026: 51%, 263 in both
  • Q2 2026: 48%, 262 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.

StockAllianceBernstein LPFidelity (FMR LLC)
Nvidia Corp(NVDA)5.6%Trimmed8.9%Added
Apple Inc(AAPL)3.6%Added4.1%Added
Microsoft Corp(MSFT)3.2%Trimmed3.0%Trimmed
Amazon.com Inc(AMZN)2.6%Trimmed3.8%Added
Broadcom Inc(AVGO)2.4%Trimmed2.4%Added
Facebook Inc(META)2.3%Trimmed2.3%Trimmed
Alphabet Inc(GOOG)3.5%Trimmed1.9%Added
Eli Lilly & Co(LLY)1.3%Trimmed1.5%Added
Alphabet Inc(GOOGL)1.1%Added3.9%Added
Taiwan Semiconductor Manufacturing Co LT(TSM)0.8%Trimmed1.2%Trimmed
Visa Inc(V)1.8%Trimmed0.6%Trimmed
Exxon Mobil Corp(XOM)0.6%Added0.8%Trimmed
Kla-tencor Corp(KLAC)3.6%Added0.6%Added
General Electric Co(GE)0.5%Added0.8%Trimmed
Unitedhealth Group Inc(UNH)0.7%Added0.5%Added
Bank of America Corp(BAC)0.4%Added0.5%Trimmed
Netflix Inc(NFLX)1.1%Trimmed0.4%Trimmed
Tesla Motors Inc(TSLA)0.4%Added0.7%Added
JPMorgan Chase & Co(JPM)0.5%Added0.4%Trimmed
Micron Technology Inc(MU)0.4%Added1.3%Trimmed

and 242 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.

  • Nvidia Corp(NVDA)AllianceBernstein LP trimmed; Fidelity (FMR LLC) added
  • Amazon.com Inc(AMZN)AllianceBernstein LP trimmed; Fidelity (FMR LLC) added
  • Broadcom Inc(AVGO)AllianceBernstein LP trimmed; Fidelity (FMR LLC) added
  • Alphabet Inc(GOOG)AllianceBernstein LP trimmed; Fidelity (FMR LLC) added
  • Eli Lilly & Co(LLY)AllianceBernstein LP trimmed; Fidelity (FMR LLC) added
  • Micron Technology Inc(MU)AllianceBernstein LP added; Fidelity (FMR LLC) trimmed
  • Exxon Mobil Corp(XOM)AllianceBernstein LP added; Fidelity (FMR LLC) trimmed
  • General Electric Co(GE)AllianceBernstein LP added; Fidelity (FMR LLC) trimmed
  • Marvell Technology Inc(MRVL)AllianceBernstein LP added; Fidelity (FMR LLC) trimmed
  • Lam Research Corp(LRCX)AllianceBernstein LP trimmed; Fidelity (FMR LLC) added
  • Wells Fargo & Co(WFC)AllianceBernstein LP added; Fidelity (FMR LLC) trimmed
  • Amphenol Corp(APH)AllianceBernstein LP added; Fidelity (FMR LLC) trimmed
AllianceBernstein LP: the recordFidelity (FMR LLC): the record

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