D. E. Shaw & Co. and Woodline Partners LP: where the books meet
At Q2 2026, at least 26% of the two 13F books was the same, across 158 stocks both listed, against 7.0% at Q4 2019. 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.
- Q4 2019: 7.0%, 39 in both
- Q1 2020: 7.4%, 39 in both
- Q2 2020: 6.5%, 41 in both
- Q3 2020: 8.8%, 41 in both
- Q4 2020: 6.6%, 39 in both
- Q1 2021: 7.4%, 46 in both
- Q2 2021: 8.1%, 44 in both
- Q3 2021: 11%, 58 in both
- Q4 2021: 10%, 62 in both
- Q1 2022: 8.7%, 62 in both
- Q2 2022: 8.7%, 63 in both
- Q3 2022: 9.8%, 71 in both
- Q4 2022: 8.6%, 65 in both
- Q1 2023: 11%, 70 in both
- Q2 2023: 12%, 80 in both
- Q3 2023: 11%, 82 in both
- Q4 2023: 9.4%, 68 in both
- Q1 2024: 12%, 85 in both
- Q2 2024: 10%, 77 in both
- Q3 2024: 9.8%, 83 in both
- Q4 2024: 20%, 125 in both
- Q1 2025: 21%, 127 in both
- Q2 2025: 22%, 130 in both
- Q3 2025: 22%, 126 in both
- Q4 2025: 23%, 141 in both
- Q1 2026: 26%, 139 in both
- Q2 2026: 26%, 158 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.
| Stock | D. E. Shaw & Co. | Woodline Partners LP |
|---|---|---|
| Nvidia Corp(NVDA) | 1.9%Added | 3.3%Added |
| Amazon Com Inc(AMZN) | 1.2%Added | 1.8%Trimmed |
| Alphabet Inc(GOOGL) | 1.3%Added | 1.2%Trimmed |
| Alphabet Inc(GOOG) | 1.1%Added | 1.1%Added |
| Facebook Inc(META) | 0.9%Added | 1.4%Added |
| Tesla MTRS Inc(TSLA) | 0.9%Trimmed | 0.8%Added |
| Apple Inc(AAPL) | 0.8%Trimmed | 2.9%Added |
| Microsoft Corp(MSFT) | 0.6%Trimmed | 1.9%Added |
| Advanced Micro Devices Inc(AMD) | 0.9%Trimmed | 0.6%Trimmed |
| Home Depot Inc(HD) | 0.7%Added | 0.5%Added |
| Broadcom Inc(AVGO) | 0.5%Trimmed | 1.4%Added |
| Intel Corp(INTC) | 0.6%Trimmed | 0.5%Added |
| Berkshire Hathaway Inc Del(BRK-B) | 0.5%Added | 0.6%Added |
| Micron Technology Inc(MU) | 0.4%Trimmed | 1.0%Trimmed |
| Costco WHSL Corp New(COST) | 0.4%Trimmed | 0.4%Added |
| Visa Inc(V) | 0.4%Added | 0.4%Added |
| Fortinet Inc(FTNT) | 0.4%Added | 0.4%Added |
| Lilly Eli & Co(LLY) | 0.3%Trimmed | 0.9%Added |
| Mastercard Inc(MA) | 0.5%Added | 0.3%Added |
| General MTRS Co(GM) | 0.6%Added | 0.3%Added |
and 138 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)D. E. Shaw & Co. added; Woodline Partners LP trimmed
- Amazon Com Inc(AMZN)D. E. Shaw & Co. added; Woodline Partners LP trimmed
- Tesla MTRS Inc(TSLA)D. E. Shaw & Co. trimmed; Woodline Partners LP added
- Apple Inc(AAPL)D. E. Shaw & Co. trimmed; Woodline Partners LP added
- Microsoft Corp(MSFT)D. E. Shaw & Co. trimmed; Woodline Partners LP added
- Seagate Technology Hldngs PL(STX)D. E. Shaw & Co. added; Woodline Partners LP trimmed
- SanDisk Corp(SNDK)D. E. Shaw & Co. trimmed; Woodline Partners LP added
- Western Digital Corp(WDC)D. E. Shaw & Co. trimmed; Woodline Partners LP added
- Intel Corp(INTC)D. E. Shaw & Co. trimmed; Woodline Partners LP added
- Broadcom Inc(AVGO)D. E. Shaw & Co. trimmed; Woodline Partners LP added
- Costco WHSL Corp New(COST)D. E. Shaw & Co. trimmed; Woodline Partners LP added
- 3M Co(MMM)D. E. Shaw & Co. trimmed; Woodline Partners LP added
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