Eisler Capital Management Ltd and Marshall Wace LLP: where the books meet
At Q3 2025, at least 16% of the two 13F books was the same, across 61 stocks both listed, against 1.8% at Q1 2021. 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.
- Q1 2021: 1.8%, 30 in both
- Q2 2021: 2.7%, 33 in both
- Q3 2021: 5.6%, 63 in both
- Q4 2021: 6.0%, 47 in both
- Q1 2022: 5.6%, 67 in both
- Q2 2022: 5.3%, 54 in both
- Q3 2022: 5.7%, 51 in both
- Q4 2022: 4.4%, 22 in both
- Q1 2023: 4.9%, 51 in both
- Q2 2023: 3.2%, 59 in both
- Q3 2023: 9.4%, 76 in both
- Q4 2023: 4.6%, 97 in both
- Q1 2024: 3.1%, 75 in both
- Q2 2024: 1.2%, 49 in both
- Q3 2024: 0.8%, 38 in both
- Q4 2024: 7.7%, 64 in both
- Q1 2025: 12%, 92 in both
- Q2 2025: 8.5%, 75 in both
- Q3 2025: 16%, 61 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, Q3 2025
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 | Eisler Capital Management Ltd | Marshall Wace LLP |
|---|---|---|
| iShares Trust(IVV) | 15%Added | 19%Added |
| Amazon Com Inc(AMZN) | under 0.1%Added | 2.4%Trimmed |
| Microsoft Corp(MSFT) | under 0.1%Added | 3.4%Added |
| Salesforce Com Inc(CRM) | under 0.1%Added | 0.2%Trimmed |
| Ferrari NV(RACE) | under 0.1%Added | 0.3%Trimmed |
| iShares Trust(TLT) | under 0.1%Added | under 0.1%Added |
| iShares Inc(EWZ) | under 0.1%Added | under 0.1%Added |
| 35909d109 | under 0.1%Trimmed | under 0.1%Added |
| Lilly Eli & Co(LLY) | under 0.1%Added | 0.1%Trimmed |
| Ross Stores Inc(ROST) | under 0.1%Added | 0.3%Added |
| Coca Cola Co(KO) | under 0.1%Added | under 0.1%Trimmed |
| Schwab Charles Corp(SCHW) | under 0.1%Trimmed | 0.2%Trimmed |
| Intuitive Surgic(ISRG) | under 0.1%Added | 0.2%Added |
| Exxon Mobil Corp(XOM) | under 0.1%Trimmed | 0.2%Added |
| Costco WHSL Corp New(COST) | under 0.1%Added | under 0.1%Trimmed |
| Servicenow Inc(NOW) | under 0.1%Added | 0.2%Added |
| 530307305(LBRDK) | under 0.1%Trimmed | under 0.1%Added |
| Palantir Techn-a(PLTR) | under 0.1%Added | 0.4%Trimmed |
| Texas Instrs Inc(TXN) | under 0.1%Added | 0.3%New |
| Union Pac Corp(UNP) | under 0.1%Trimmed | under 0.1%Trimmed |
and 41 smaller ones
Moved different ways in Q3 2025
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.
- Amazon Com Inc(AMZN)Eisler Capital Management Ltd added; Marshall Wace LLP trimmed
- Walmart Inc(WMT)Eisler Capital Management Ltd trimmed; Marshall Wace LLP added
- Boeing Co(BA)Eisler Capital Management Ltd trimmed; Marshall Wace LLP added
- Palantir Techn-a(PLTR)Eisler Capital Management Ltd added; Marshall Wace LLP trimmed
- Ferrari NV(RACE)Eisler Capital Management Ltd added; Marshall Wace LLP trimmed
- T-mobile US Inc(TMUS)Eisler Capital Management Ltd added; Marshall Wace LLP trimmed
- McDonald's Corp(MCD)Eisler Capital Management Ltd trimmed; Marshall Wace LLP started
- Salesforce Com Inc(CRM)Eisler Capital Management Ltd added; Marshall Wace LLP trimmed
- Regeneron Pharm(REGN)Eisler Capital Management Ltd trimmed; Marshall Wace LLP added
- Pinterest Inc(PINS)Eisler Capital Management Ltd added; Marshall Wace LLP trimmed
- Exxon Mobil Corp(XOM)Eisler Capital Management Ltd trimmed; Marshall Wace LLP added
- Southern Co(SO)Eisler Capital Management Ltd added; Marshall Wace LLP trimmed
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