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← Wellington Management Group LLP, its record

Wellington Management Group LLP and Janus Henderson Group Ltd: where the books meet

At Q2 2026, at least 46% of the two 13F books was the same, across 222 stocks both listed, against 33% 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%23%47%Q2 2013: 33%, 254 in bothQ3 2013: 34%, 247 in bothQ4 2013: 33%, 249 in bothQ1 2014: 32%, 260 in both14Q2 2014: 32%, 257 in bothQ3 2014: 33%, 259 in bothQ4 2014: 30%, 247 in bothQ1 2015: 30%, 245 in both15Q2 2015: 29%, 239 in bothQ3 2015: 30%, 238 in bothQ4 2015: 30%, 242 in bothQ1 2016: 31%, 240 in both16Q2 2016: 30%, 253 in bothQ3 2016: 30%, 255 in bothQ4 2016: 31%, 253 in bothQ1 2017: 31%, 253 in both17Q2 2017: 34%, 236 in bothQ3 2017: 35%, 236 in bothQ4 2017: 34%, 232 in bothQ1 2018: 34%, 233 in both18Q2 2018: 35%, 236 in bothQ3 2018: 35%, 227 in bothQ4 2018: 35%, 238 in bothQ1 2019: 35%, 231 in both19Q2 2019: 35%, 230 in bothQ3 2019: 35%, 234 in bothQ4 2019: 36%, 233 in bothQ1 2020: 39%, 238 in both20Q2 2020: 41%, 243 in bothQ3 2020: 41%, 235 in bothQ4 2020: 40%, 234 in bothQ1 2021: 39%, 234 in both21Q2 2021: 39%, 214 in bothQ3 2021: 39%, 218 in bothQ4 2021: 39%, 218 in bothQ1 2022: 40%, 230 in both22Q2 2022: 40%, 221 in bothQ3 2022: 41%, 221 in bothQ4 2022: 42%, 224 in bothQ1 2023: 42%, 222 in both23Q2 2023: 44%, 232 in bothQ3 2023: 44%, 222 in bothQ4 2023: 44%, 221 in bothQ1 2024: 44%, 227 in both24Q2 2024: 45%, 223 in bothQ3 2024: 44%, 212 in bothQ4 2024: 45%, 223 in bothQ1 2025: 44%, 222 in both25Q2 2025: 46%, 229 in bothQ3 2025: 45%, 225 in bothQ4 2025: 45%, 214 in bothQ1 2026: 47%, 224 in both26Q2 2026: 46%, 222 in both
  • Q2 2013: 33%, 254 in both
  • Q3 2013: 34%, 247 in both
  • Q4 2013: 33%, 249 in both
  • Q1 2014: 32%, 260 in both
  • Q2 2014: 32%, 257 in both
  • Q3 2014: 33%, 259 in both
  • Q4 2014: 30%, 247 in both
  • Q1 2015: 30%, 245 in both
  • Q2 2015: 29%, 239 in both
  • Q3 2015: 30%, 238 in both
  • Q4 2015: 30%, 242 in both
  • Q1 2016: 31%, 240 in both
  • Q2 2016: 30%, 253 in both
  • Q3 2016: 30%, 255 in both
  • Q4 2016: 31%, 253 in both
  • Q1 2017: 31%, 253 in both
  • Q2 2017: 34%, 236 in both
  • Q3 2017: 35%, 236 in both
  • Q4 2017: 34%, 232 in both
  • Q1 2018: 34%, 233 in both
  • Q2 2018: 35%, 236 in both
  • Q3 2018: 35%, 227 in both
  • Q4 2018: 35%, 238 in both
  • Q1 2019: 35%, 231 in both
  • Q2 2019: 35%, 230 in both
  • Q3 2019: 35%, 234 in both
  • Q4 2019: 36%, 233 in both
  • Q1 2020: 39%, 238 in both
  • Q2 2020: 41%, 243 in both
  • Q3 2020: 41%, 235 in both
  • Q4 2020: 40%, 234 in both
  • Q1 2021: 39%, 234 in both
  • Q2 2021: 39%, 214 in both
  • Q3 2021: 39%, 218 in both
  • Q4 2021: 39%, 218 in both
  • Q1 2022: 40%, 230 in both
  • Q2 2022: 40%, 221 in both
  • Q3 2022: 41%, 221 in both
  • Q4 2022: 42%, 224 in both
  • Q1 2023: 42%, 222 in both
  • Q2 2023: 44%, 232 in both
  • Q3 2023: 44%, 222 in both
  • Q4 2023: 44%, 221 in both
  • Q1 2024: 44%, 227 in both
  • Q2 2024: 45%, 223 in both
  • Q3 2024: 44%, 212 in both
  • Q4 2024: 45%, 223 in both
  • Q1 2025: 44%, 222 in both
  • Q2 2025: 46%, 229 in both
  • Q3 2025: 45%, 225 in both
  • Q4 2025: 45%, 214 in both
  • Q1 2026: 47%, 224 in both
  • Q2 2026: 46%, 222 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.

StockWellington Management Group LLPJanus Henderson Group Ltd
Nvidia Corp(NVDA)4.2%Trimmed6.6%Trimmed
Broadcom Inc(AVGO)3.4%Added3.0%Added
Microsoft Corp(MSFT)3.1%Trimmed2.8%Trimmed
Amazon Com Inc(AMZN)2.3%Trimmed2.4%Trimmed
Apple Inc(AAPL)3.0%Trimmed2.2%Trimmed
Lilly Eli & Co(LLY)2.3%Trimmed1.9%Trimmed
Alphabet Inc(GOOG)1.0%Added4.3%Added
Micron Technologyinc(MU)1.0%Added1.4%Trimmed
Astrazeneca PLC(AZN)0.9%Added0.9%Trimmed
Advanced Micro Devices Inc(AMD)0.9%Added0.8%Added
Mastercard Inc(MA)1.1%Trimmed0.8%Trimmed
Johnson & Johnson(JNJ)1.0%Added0.8%Trimmed
Kla-tencor Corp(KLAC)0.8%Added1.4%Added
Unitedhealth Group Inc(UNH)0.8%Added0.8%Added
Facebook Inc(META)0.7%Trimmed1.2%Trimmed
Visa Inc(V)0.6%Trimmed0.6%Trimmed
Danaher Corp Del(DHR)0.5%Added0.6%Added
Taiwan Semiconductor MFG LTD(TSM)0.5%Trimmed1.6%Added
Amphenol Corp New(APH)0.5%Added0.7%Trimmed
Flextronics Intl LTD(FLEX)0.5%Trimmed0.9%Trimmed

and 202 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.

  • Micron Technologyinc(MU)Wellington Management Group LLP added; Janus Henderson Group Ltd trimmed
  • Johnson & Johnson(JNJ)Wellington Management Group LLP added; Janus Henderson Group Ltd trimmed
  • Astrazeneca PLC(AZN)Wellington Management Group LLP added; Janus Henderson Group Ltd trimmed
  • Tesla MTRS Inc(TSLA)Wellington Management Group LLP added; Janus Henderson Group Ltd trimmed
  • Sempra Energy(SRE)Wellington Management Group LLP trimmed; Janus Henderson Group Ltd added
  • Taiwan Semiconductor MFG LTD(TSM)Wellington Management Group LLP trimmed; Janus Henderson Group Ltd added
  • Anthem Inc(ELV)Wellington Management Group LLP added; Janus Henderson Group Ltd trimmed
  • Philip Morris Intl Inc(PM)Wellington Management Group LLP added; Janus Henderson Group Ltd trimmed
  • Amphenol Corp New(APH)Wellington Management Group LLP added; Janus Henderson Group Ltd trimmed
  • Eaton Corp PLC(ETN)Wellington Management Group LLP added; Janus Henderson Group Ltd trimmed
  • Bank of America Corporation(BAC)Wellington Management Group LLP trimmed; Janus Henderson Group Ltd added
  • Linde PLC(LIN)Wellington Management Group LLP trimmed; Janus Henderson Group Ltd added
Wellington Management Group LLP: the recordJanus Henderson Group Ltd: the record

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