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← PDT Partners LLC, its record

PDT Partners LLC and Winton Group Ltd: where the books meet

At Q2 2026, at least 10% of the two 13F books was the same, across 89 stocks both listed, against 23% at Q2 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%13%25%Q2 2014: 23%, 177 in bothQ3 2014: 25%, 215 in bothQ4 2014: 12%, 123 in bothQ1 2015: 21%, 154 in both15Q2 2015: 21%, 146 in bothQ3 2015: 21%, 147 in bothQ4 2015: 13%, 50 in bothQ1 2016: 14%, 62 in both16Q2 2016: 17%, 60 in bothQ3 2016: 15%, 70 in bothQ4 2016: 15%, 87 in bothQ1 2017: 15%, 71 in both17Q2 2017: 15%, 78 in bothQ3 2017: 16%, 78 in bothQ4 2017: 14%, 74 in bothQ1 2018: 12%, 88 in both18Q2 2018: 11%, 68 in bothQ3 2018: 12%, 72 in bothQ4 2018: 12%, 81 in bothQ1 2019: 13%, 64 in both19Q2 2019: 10%, 61 in bothQ3 2019: 10%, 70 in bothQ4 2019: 9.3%, 96 in bothQ1 2020: 9.7%, 100 in both20Q2 2020: 12%, 114 in bothQ3 2020: 13%, 120 in bothQ4 2020: 10%, 94 in bothQ1 2021: 8.7%, 94 in both21Q2 2021: 6.6%, 73 in bothQ3 2021: 8.2%, 91 in bothQ4 2021: 11%, 90 in bothQ1 2022: 8.7%, 73 in both22Q2 2022: 9.0%, 78 in bothQ3 2022: 9.2%, 88 in bothQ4 2022: 9.6%, 82 in bothQ1 2023: 10%, 91 in both23Q2 2023: 7.2%, 95 in bothQ3 2023: 7.7%, 104 in bothQ4 2023: 7.5%, 88 in bothQ1 2024: 8.9%, 102 in both24Q2 2024: 8.3%, 92 in bothQ3 2024: 12%, 101 in bothQ4 2024: 9.8%, 103 in bothQ1 2025: 11%, 105 in both25Q2 2025: 11%, 100 in bothQ3 2025: 10%, 97 in bothQ4 2025: 9.4%, 85 in bothQ1 2026: 12%, 89 in both26Q2 2026: 10%, 89 in both
  • Q2 2014: 23%, 177 in both
  • Q3 2014: 25%, 215 in both
  • Q4 2014: 12%, 123 in both
  • Q1 2015: 21%, 154 in both
  • Q2 2015: 21%, 146 in both
  • Q3 2015: 21%, 147 in both
  • Q4 2015: 13%, 50 in both
  • Q1 2016: 14%, 62 in both
  • Q2 2016: 17%, 60 in both
  • Q3 2016: 15%, 70 in both
  • Q4 2016: 15%, 87 in both
  • Q1 2017: 15%, 71 in both
  • Q2 2017: 15%, 78 in both
  • Q3 2017: 16%, 78 in both
  • Q4 2017: 14%, 74 in both
  • Q1 2018: 12%, 88 in both
  • Q2 2018: 11%, 68 in both
  • Q3 2018: 12%, 72 in both
  • Q4 2018: 12%, 81 in both
  • Q1 2019: 13%, 64 in both
  • Q2 2019: 10%, 61 in both
  • Q3 2019: 10%, 70 in both
  • Q4 2019: 9.3%, 96 in both
  • Q1 2020: 9.7%, 100 in both
  • Q2 2020: 12%, 114 in both
  • Q3 2020: 13%, 120 in both
  • Q4 2020: 10%, 94 in both
  • Q1 2021: 8.7%, 94 in both
  • Q2 2021: 6.6%, 73 in both
  • Q3 2021: 8.2%, 91 in both
  • Q4 2021: 11%, 90 in both
  • Q1 2022: 8.7%, 73 in both
  • Q2 2022: 9.0%, 78 in both
  • Q3 2022: 9.2%, 88 in both
  • Q4 2022: 9.6%, 82 in both
  • Q1 2023: 10%, 91 in both
  • Q2 2023: 7.2%, 95 in both
  • Q3 2023: 7.7%, 104 in both
  • Q4 2023: 7.5%, 88 in both
  • Q1 2024: 8.9%, 102 in both
  • Q2 2024: 8.3%, 92 in both
  • Q3 2024: 12%, 101 in both
  • Q4 2024: 9.8%, 103 in both
  • Q1 2025: 11%, 105 in both
  • Q2 2025: 11%, 100 in both
  • Q3 2025: 10%, 97 in both
  • Q4 2025: 9.4%, 85 in both
  • Q1 2026: 12%, 89 in both
  • Q2 2026: 10%, 89 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.

StockPDT Partners LLCWinton Group Ltd
Solstice Advanced Matls Inc(SOLS)0.8%Added1.4%Added
Cme Group Inc(CME)0.7%Held0.9%Added
Stifel Finl Corp(SF)0.8%Added0.7%Added
Nvidia Corp(NVDA)0.9%Held0.5%Trimmed
Humana Inc(HUM)0.8%Trimmed0.5%New
Jabil Circuit Inc(JBL)0.8%Added0.4%New
Broadcom Inc(AVGO)0.3%Trimmed0.5%Added
Howmet Aerospace Inc(HWM)0.5%Trimmed0.3%Trimmed
829933100(SIRI)0.6%Trimmed0.3%Added
Seagate Technology Hldngs PL(STX)1.0%New0.3%Added
Lyondellbasell Industries N(LYB)0.6%Added0.2%Added
Fortrea HLDGS Inc(FTRE)0.3%Trimmed0.2%Added
Paycom Software Inc(PAYC)0.5%Trimmed0.2%Added
Dominos Pizza Inc(DPZ)0.7%Added0.2%Added
M & T BK Corp(MTB)0.3%Added0.2%Added
Expedia Inc Del(EXPE)0.2%Trimmed0.2%Added
Medline Inc(MDLN)0.2%New0.5%Added
68622v106(OGN)0.2%Trimmed0.2%New
Southwest Airls Co(LUV)0.9%Added0.2%Added
00182c103(ANIP)0.2%Held0.1%New

and 69 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.

  • MKS Instrument Inc(MKSI)PDT Partners LLC trimmed; Winton Group Ltd added
  • Delek US HLDGS Inc New(DK)PDT Partners LLC trimmed; Winton Group Ltd added
  • Broadcom Inc(AVGO)PDT Partners LLC trimmed; Winton Group Ltd added
  • Humana Inc(HUM)PDT Partners LLC trimmed; Winton Group Ltd started
  • Dicks Sporting Goods Inc(DKS)PDT Partners LLC sold out; Winton Group Ltd added
  • 829933100(SIRI)PDT Partners LLC trimmed; Winton Group Ltd added
  • Cardinal Health Inc(CAH)PDT Partners LLC trimmed; Winton Group Ltd added
  • Vertiv Holdings Co(VRT)PDT Partners LLC sold out; Winton Group Ltd started
  • Five Below Inc(FIVE)PDT Partners LLC sold out; Winton Group Ltd added
  • Core Natural Resources Inc(CNR)PDT Partners LLC trimmed; Winton Group Ltd added
  • Arcus Biosciences Inc(RCUS)PDT Partners LLC trimmed; Winton Group Ltd added
  • Macys Inc(M)PDT Partners LLC added; Winton Group Ltd trimmed
PDT Partners LLC: the recordWinton Group Ltd: the record

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