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← Farallon Capital Management LLC, its record

Farallon Capital Management LLC and Janus Henderson Group Ltd: where the books meet

At Q2 2026, at least 11% of the two 13F books was the same, across 30 stocks both listed, against 11% 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%9%19%Q2 2013: 11%, 26 in bothQ3 2013: 16%, 28 in bothQ4 2013: 15%, 27 in bothQ1 2014: 13%, 25 in both14Q2 2014: 12%, 25 in bothQ3 2014: 9.9%, 24 in bothQ4 2014: 9.3%, 24 in bothQ1 2015: 8.2%, 29 in both15Q2 2015: 9.0%, 37 in bothQ3 2015: 6.2%, 27 in bothQ4 2015: 5.4%, 20 in bothQ1 2016: 7.1%, 22 in both16Q2 2016: 7.8%, 20 in bothQ3 2016: 7.6%, 19 in bothQ4 2016: 9.8%, 25 in bothQ1 2017: 13%, 20 in both17Q2 2017: 10%, 28 in bothQ3 2017: 9.1%, 26 in bothQ4 2017: 8.6%, 25 in bothQ1 2018: 8.0%, 26 in both18Q2 2018: 8.5%, 27 in bothQ3 2018: 8.4%, 27 in bothQ4 2018: 9.0%, 24 in bothQ1 2019: 9.5%, 27 in both19Q2 2019: 7.9%, 28 in bothQ3 2019: 9.3%, 25 in bothQ4 2019: 12%, 31 in bothQ1 2020: 13%, 34 in both20Q2 2020: 16%, 37 in bothQ3 2020: 17%, 42 in bothQ4 2020: 16%, 43 in bothQ1 2021: 16%, 42 in both21Q2 2021: 15%, 39 in bothQ3 2021: 16%, 43 in bothQ4 2021: 17%, 41 in bothQ1 2022: 16%, 42 in both22Q2 2022: 15%, 43 in bothQ3 2022: 14%, 46 in bothQ4 2022: 15%, 40 in bothQ1 2023: 15%, 42 in both23Q2 2023: 14%, 42 in bothQ3 2023: 15%, 47 in bothQ4 2023: 14%, 51 in bothQ1 2024: 13%, 51 in both24Q2 2024: 12%, 53 in bothQ3 2024: 13%, 51 in bothQ4 2024: 12%, 51 in bothQ1 2025: 13%, 51 in both25Q2 2025: 15%, 54 in bothQ3 2025: 14%, 55 in bothQ4 2025: 16%, 64 in bothQ1 2026: 19%, 64 in both26Q2 2026: 11%, 30 in both
  • Q2 2013: 11%, 26 in both
  • Q3 2013: 16%, 28 in both
  • Q4 2013: 15%, 27 in both
  • Q1 2014: 13%, 25 in both
  • Q2 2014: 12%, 25 in both
  • Q3 2014: 9.9%, 24 in both
  • Q4 2014: 9.3%, 24 in both
  • Q1 2015: 8.2%, 29 in both
  • Q2 2015: 9.0%, 37 in both
  • Q3 2015: 6.2%, 27 in both
  • Q4 2015: 5.4%, 20 in both
  • Q1 2016: 7.1%, 22 in both
  • Q2 2016: 7.8%, 20 in both
  • Q3 2016: 7.6%, 19 in both
  • Q4 2016: 9.8%, 25 in both
  • Q1 2017: 13%, 20 in both
  • Q2 2017: 10%, 28 in both
  • Q3 2017: 9.1%, 26 in both
  • Q4 2017: 8.6%, 25 in both
  • Q1 2018: 8.0%, 26 in both
  • Q2 2018: 8.5%, 27 in both
  • Q3 2018: 8.4%, 27 in both
  • Q4 2018: 9.0%, 24 in both
  • Q1 2019: 9.5%, 27 in both
  • Q2 2019: 7.9%, 28 in both
  • Q3 2019: 9.3%, 25 in both
  • Q4 2019: 12%, 31 in both
  • Q1 2020: 13%, 34 in both
  • Q2 2020: 16%, 37 in both
  • Q3 2020: 17%, 42 in both
  • Q4 2020: 16%, 43 in both
  • Q1 2021: 16%, 42 in both
  • Q2 2021: 15%, 39 in both
  • Q3 2021: 16%, 43 in both
  • Q4 2021: 17%, 41 in both
  • Q1 2022: 16%, 42 in both
  • Q2 2022: 15%, 43 in both
  • Q3 2022: 14%, 46 in both
  • Q4 2022: 15%, 40 in both
  • Q1 2023: 15%, 42 in both
  • Q2 2023: 14%, 42 in both
  • Q3 2023: 15%, 47 in both
  • Q4 2023: 14%, 51 in both
  • Q1 2024: 13%, 51 in both
  • Q2 2024: 12%, 53 in both
  • Q3 2024: 13%, 51 in both
  • Q4 2024: 12%, 51 in both
  • Q1 2025: 13%, 51 in both
  • Q2 2025: 15%, 54 in both
  • Q3 2025: 14%, 55 in both
  • Q4 2025: 16%, 64 in both
  • Q1 2026: 19%, 64 in both
  • Q2 2026: 11%, 30 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.

StockFarallon Capital Management LLCJanus Henderson Group Ltd
Amazon Com Inc(AMZN)2.9%Trimmed2.4%Trimmed
Broadcom Inc(AVGO)2.0%Trimmed3.0%Added
Microsoft Corp(MSFT)1.9%Trimmed2.8%Trimmed
Unitedhealth Group Inc(UNH)2.4%Trimmed0.8%Added
Revolution Medicines Inc(RVMD)12%Trimmed0.8%Added
Astrazeneca PLC(AZN)0.5%Added0.9%Trimmed
Johnson & Johnson(JNJ)0.5%Added0.8%Trimmed
Bridgebio Pharma Inc(BBIO)3.7%Added0.4%Added
Aramark(ARMK)1.0%Trimmed0.4%Added
Boston Scientific Corp(BSX)2.1%Added0.3%Added
Lantheus HLDGS Inc(LNTH)2.9%Held0.2%Added
66987v109(NVS)0.3%New0.1%Trimmed
Thermo Fisher Scientific Inc(TMO)2.4%Added0.1%Added
Merck & Co Inc(MRK)0.1%Trimmed0.2%Added
Protagonist Therapeutics Inc(PTGX)3.6%Held0.1%Trimmed
Abivax SA(ABVX)under 0.1%Added0.1%Added
Crinetics Pharmaceuticals In(CRNX)1.6%Addedunder 0.1%Added
Tango Therapeutics Inc(TNGX)1.8%Addedunder 0.1%Added
Roivant Sciences LTD(ROIV)2.3%Addedunder 0.1%Added
Synopsys Inc(SNPS)1.7%Trimmedunder 0.1%Added

and 10 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(GOOG)Farallon Capital Management LLC sold out; Janus Henderson Group Ltd added
  • Broadcom Inc(AVGO)Farallon Capital Management LLC trimmed; Janus Henderson Group Ltd added
  • Revolution Medicines Inc(RVMD)Farallon Capital Management LLC trimmed; Janus Henderson Group Ltd added
  • Astrazeneca PLC(AZN)Farallon Capital Management LLC added; Janus Henderson Group Ltd trimmed
  • Unitedhealth Group Inc(UNH)Farallon Capital Management LLC trimmed; Janus Henderson Group Ltd added
  • Johnson & Johnson(JNJ)Farallon Capital Management LLC added; Janus Henderson Group Ltd trimmed
  • Vaxcyte Inc(PCVX)Farallon Capital Management LLC sold out; Janus Henderson Group Ltd added
  • Aramark(ARMK)Farallon Capital Management LLC trimmed; Janus Henderson Group Ltd added
  • Disney Walt Co(DIS)Farallon Capital Management LLC sold out; Janus Henderson Group Ltd added
  • Merck & Co Inc(MRK)Farallon Capital Management LLC trimmed; Janus Henderson Group Ltd added
  • Schwab Charles Corp New(SCHW)Farallon Capital Management LLC sold out; Janus Henderson Group Ltd added
  • Synopsys Inc(SNPS)Farallon Capital Management LLC trimmed; Janus Henderson Group Ltd added
Farallon Capital Management LLC: the recordJanus Henderson Group Ltd: the record

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