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← Davidson Kempner Capital Management LP, its record

Davidson Kempner Capital Management LP and Wellington Management Group LLP: where the books meet

At Q2 2026, at least 8.8% of the two 13F books was the same, across 45 stocks both listed, against 9.0% at Q1 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%5%11%Q1 2014: 9.0%, 43 in both14Q2 2014: 4.9%, 29 in bothQ3 2014: 4.8%, 30 in bothQ4 2014: 4.4%, 19 in bothQ1 2015: 4.2%, 20 in both15Q2 2015: 4.1%, 28 in bothQ3 2015: 4.2%, 27 in bothQ4 2015: 5.1%, 21 in bothQ1 2016: 3.3%, 19 in both16Q2 2016: 3.4%, 27 in bothQ3 2016: 4.0%, 30 in bothQ4 2016: 6.1%, 28 in bothQ1 2017: 0.4%, 4 in both17Q2 2017: 2.3%, 23 in bothQ3 2017: 1.7%, 19 in bothQ4 2017: 2.6%, 20 in bothQ1 2018: 2.7%, 24 in both18Q2 2018: 2.9%, 22 in bothQ3 2018: 2.3%, 15 in bothQ4 2018: 2.6%, 17 in bothQ1 2019: 2.0%, 17 in both19Q2 2019: 2.2%, 16 in bothQ3 2019: 2.1%, 25 in bothQ4 2019: 3.6%, 26 in bothQ1 2020: 5.8%, 37 in both20Q2 2020: 8.9%, 37 in bothQ3 2020: 8.5%, 38 in bothQ4 2020: 7.7%, 34 in bothQ1 2021: 7.6%, 41 in both21Q2 2021: 8.5%, 48 in bothQ3 2021: 7.4%, 32 in bothQ4 2021: 7.1%, 31 in bothQ1 2022: 6.8%, 31 in both22Q2 2022: 6.3%, 35 in bothQ3 2022: 4.6%, 32 in bothQ4 2022: 5.5%, 30 in bothQ1 2023: 7.1%, 40 in both23Q2 2023: 8.6%, 42 in bothQ3 2023: 6.3%, 40 in bothQ4 2023: 7.2%, 31 in bothQ1 2024: 7.9%, 35 in both24Q2 2024: 8.6%, 41 in bothQ3 2024: 9.2%, 39 in bothQ4 2024: 11%, 40 in bothQ1 2025: 8.9%, 48 in both25Q2 2025: 10.0%, 42 in bothQ3 2025: 9.3%, 40 in bothQ4 2025: 6.4%, 32 in bothQ1 2026: 8.0%, 51 in both26Q2 2026: 8.8%, 45 in both
  • Q1 2014: 9.0%, 43 in both
  • Q2 2014: 4.9%, 29 in both
  • Q3 2014: 4.8%, 30 in both
  • Q4 2014: 4.4%, 19 in both
  • Q1 2015: 4.2%, 20 in both
  • Q2 2015: 4.1%, 28 in both
  • Q3 2015: 4.2%, 27 in both
  • Q4 2015: 5.1%, 21 in both
  • Q1 2016: 3.3%, 19 in both
  • Q2 2016: 3.4%, 27 in both
  • Q3 2016: 4.0%, 30 in both
  • Q4 2016: 6.1%, 28 in both
  • Q1 2017: 0.4%, 4 in both
  • Q2 2017: 2.3%, 23 in both
  • Q3 2017: 1.7%, 19 in both
  • Q4 2017: 2.6%, 20 in both
  • Q1 2018: 2.7%, 24 in both
  • Q2 2018: 2.9%, 22 in both
  • Q3 2018: 2.3%, 15 in both
  • Q4 2018: 2.6%, 17 in both
  • Q1 2019: 2.0%, 17 in both
  • Q2 2019: 2.2%, 16 in both
  • Q3 2019: 2.1%, 25 in both
  • Q4 2019: 3.6%, 26 in both
  • Q1 2020: 5.8%, 37 in both
  • Q2 2020: 8.9%, 37 in both
  • Q3 2020: 8.5%, 38 in both
  • Q4 2020: 7.7%, 34 in both
  • Q1 2021: 7.6%, 41 in both
  • Q2 2021: 8.5%, 48 in both
  • Q3 2021: 7.4%, 32 in both
  • Q4 2021: 7.1%, 31 in both
  • Q1 2022: 6.8%, 31 in both
  • Q2 2022: 6.3%, 35 in both
  • Q3 2022: 4.6%, 32 in both
  • Q4 2022: 5.5%, 30 in both
  • Q1 2023: 7.1%, 40 in both
  • Q2 2023: 8.6%, 42 in both
  • Q3 2023: 6.3%, 40 in both
  • Q4 2023: 7.2%, 31 in both
  • Q1 2024: 7.9%, 35 in both
  • Q2 2024: 8.6%, 41 in both
  • Q3 2024: 9.2%, 39 in both
  • Q4 2024: 11%, 40 in both
  • Q1 2025: 8.9%, 48 in both
  • Q2 2025: 10.0%, 42 in both
  • Q3 2025: 9.3%, 40 in both
  • Q4 2025: 6.4%, 32 in both
  • Q1 2026: 8.0%, 51 in both
  • Q2 2026: 8.8%, 45 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.

StockDavidson Kempner Capital Management LPWellington Management Group LLP
Micron Technology Inc(MU)0.8%Added1.0%Added
Facebook Inc(META)0.8%Added0.7%Trimmed
Cardinal Health Inc(CAH)0.5%Added0.6%Added
Unitedhealth Group Inc(UNH)0.5%Added0.8%Added
Amazon Com Inc(AMZN)0.5%Added2.3%Trimmed
Seagate Technology Hldngs PL(STX)0.7%Trimmed0.4%Added
Linde PLC(LIN)0.4%Added0.4%Trimmed
Nvidia Corporation(NVDA)0.4%Trimmed4.2%Trimmed
Alphabet Inc(GOOGL)0.4%New2.7%Trimmed
Asml Holding N V(ASML)0.6%Added0.3%Added
CVS Health Corp(CVS)0.3%Added0.6%Added
Edwards Lifesciences Corp(EW)0.3%Added0.3%Trimmed
T-mobile US Inc(TMUS)0.8%Trimmed0.2%Trimmed
Spotify Technology S A(SPOT)0.4%New0.2%Trimmed
Crown Castle Intl Corp New(CCI)0.3%Added0.2%Trimmed
Snowflake Inc(SNOW)0.3%Added0.2%Trimmed
Amerisourcebergen Corp(COR)0.2%New0.2%Added
Johnson CTLS Intl PLC(JCI)0.6%Added0.2%Trimmed
James Hardie Inds PLC(JHX)0.2%Trimmed0.2%Trimmed
Space Exploration Techn Corp(SPCX)2.4%New0.2%New

and 25 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)Davidson Kempner Capital Management LP started; Wellington Management Group LLP trimmed
  • Amazon Com Inc(AMZN)Davidson Kempner Capital Management LP added; Wellington Management Group LLP trimmed
  • Facebook Inc(META)Davidson Kempner Capital Management LP added; Wellington Management Group LLP trimmed
  • Disney Walt Co(DIS)Davidson Kempner Capital Management LP sold out; Wellington Management Group LLP added
  • Linde PLC(LIN)Davidson Kempner Capital Management LP added; Wellington Management Group LLP trimmed
  • Seagate Technology Hldngs PL(STX)Davidson Kempner Capital Management LP trimmed; Wellington Management Group LLP added
  • Edwards Lifesciences Corp(EW)Davidson Kempner Capital Management LP added; Wellington Management Group LLP trimmed
  • Spotify Technology S A(SPOT)Davidson Kempner Capital Management LP started; Wellington Management Group LLP trimmed
  • Crown Castle Intl Corp New(CCI)Davidson Kempner Capital Management LP added; Wellington Management Group LLP trimmed
  • Snowflake Inc(SNOW)Davidson Kempner Capital Management LP added; Wellington Management Group LLP trimmed
  • Johnson CTLS Intl PLC(JCI)Davidson Kempner Capital Management LP added; Wellington Management Group LLP trimmed
  • Doordash Inc(DASH)Davidson Kempner Capital Management LP added; Wellington Management Group LLP trimmed
Davidson Kempner Capital Management LP: the recordWellington Management Group LLP: the record

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