MARSHALL WACE LLP
Q2 2026 Form 13-F
LONDON
CIK 0001318757
· CRD 160885
· Exempt reporting adviser
Consolidated report · includes
4 managers
since Q1 2014
$126.7B Reported Value Total
MARSHALL WACE LLP reports under management (AUM).
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Exempt Reporting Adviser
WWW.MWAM.COM
Source: Form ADV filed 2026-05-29
Reported value
$126.7B
Quarter over quarter
+17.8%
Holdings
2,697
Top-10 concentration
37.7%
Filing Structure
Reports holdings for
- Marshall Wace North America L P · File #028-11377 · since Q1 2014
- MARSHALL WACE ASIA Ltd · File #028-14472 · since Q1 2014
- MARSHALL WACE SINGAPORE PTE LTD (not a 13F filer in our records) · File #028-25074 · since Q4 2024
- Marshall Wace Middle East Ltd (not a 13F filer in our records) · File #028-25069 · since Q4 2024
- Lyxor Asset Management Inc. (not a 13F filer in our records) · File #028-18127 · Q3 2018 – Q3 2022 · declared by one filing
Holdings reported by
- Marshall Wace North America L P · Q3 2013 – Q3 2021 · declared by one filing
- MARSHALL WACE ASIA Ltd · Q1 2017 – Q3 2021 · declared by one filing
Key People
Named on the latest Form 13-F filing — not necessarily an owner
Eric Siegel
Operations Manager
Filing Navigation
Coverage begins with the second quarter of 2013. Earlier quarters are not shown while their accuracy is being verified.
13F Metrics
Loading 13F Metrics
Q2 2026 13F record
Q2 2026 13F filing summary
| Period of report | June 30, 2026 |
|---|---|
| Filed | August 13, 2026 |
| Form | 13F-HR |
| Reported value | $126.7B |
| Positions | 2,697 |
| Change in reported value | +26.2% |
| New positions | 687 |
| Exited positions | 649 |
| Position turnover | 39.9% |
| Top-10 concentration | 37.7% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q2 2026 13F
Filed Aug 13, 2026
|
2,697 | $126.7B |
|
Q1 2026 13F
Filed May 15, 2026
|
2,655 | $100.4B |
|
Q4 2025 13F
Filed Feb 13, 2026
|
2,493 | $109.9B |
|
Q3 2025 13F
Filed Nov 13, 2025
|
2,424 | $98.6B |
|
Q2 2025 13F
Filed Aug 13, 2025
|
2,455 | $88.8B |
|
Q1 2025 13F
Filed May 15, 2025
|
2,402 | $78.8B |
|
Q4 2024 13F
Filed Feb 13, 2025
|
2,298 | $83.2B |
|
Q3 2024 13F
Filed Nov 14, 2024
|
2,213 | $82.1B |
|
Q2 2024 13F
Filed Aug 14, 2024
|
2,219 | $74.9B |
|
Q1 2024 13F
Filed May 15, 2024
|
2,049 | $65.7B |
|
Q4 2023 13F
Filed Feb 14, 2024
|
1,750 | $59.0B |
|
Q3 2023 13F
Filed Nov 14, 2023
|
1,759 | $49.4B |
|
Q2 2023 13F
Filed Aug 14, 2023
|
1,911 | $51.2B |
|
Q1 2023 13F
Filed May 15, 2023
|
2,039 | $47.1B |
|
Q4 2022 13F
Filed Feb 14, 2023
|
2,231 | $44.5B |
|
Q3 2022 13F
Filed Nov 14, 2022
|
2,456 | $45.6B |
|
Q2 2022 13F
Filed Aug 15, 2022
|
2,598 | $48.6B |
|
Q1 2022 13F
Filed May 16, 2022
|
2,511 | $52.8B |
|
Q4 2021 13F
Filed Feb 14, 2022
|
3,069 | $54.2B |
|
Q3 2021 13F
Filed Nov 15, 2021
|
2,327 | $24.1B |
31 earlier quarters on file — choose one from the quarter menu above.
Top 20 holdings · Q2 2026
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | IVV ISHARES-S&P 500 | $29.8B | 23.54% |
| 2 | SPYM SPDR PORTFOLIO L | $4.1B | 3.25% |
| 3 | AAPL APPLE INC | $2.6B | 2.07% |
| 4 | AMZN AMAZON.COM INC | $2.3B | 1.79% |
| 5 | AMD ADV MICRO DEVICE | $2.3B | 1.79% |
| 6 | NVDA NVIDIA CORP | $1.7B | 1.36% |
| 7 | MU MICRON TECH | $1.6B | 1.23% |
| 8 | MSFT MICROSOFT CORP | $1.2B | 0.98% |
| 9 | COST COSTCO WHOLESALE | $1.1B | 0.87% |
| 10 | MS MORGAN STANLEY | $971.8M | 0.77% |
| 11 | TSLA TESLA INC | $920.4M | 0.73% |
| 12 | TSM TAIWAN SEMIC-ADR | $864.6M | 0.68% |
| 13 | GOOGL ALPHABET INC-A | $790.1M | 0.62% |
| 14 | HLT HILTON WORLDWIDE | $766.4M | 0.6% |
| 15 | UNH UNITEDHEALTH GRP | $761.9M | 0.6% |
| 16 | JNJ JOHNSON&JOHNSON | $759.3M | 0.6% |
| 17 | ABBV ABBVIE INC | $752.5M | 0.59% |
| 18 | BAC BANK OF AMERICA | $711.3M | 0.56% |
| 19 | KO COCA-COLA CO/THE | $669.7M | 0.53% |
| 20 | JPM JP MORGAN CHASE | $647.5M | 0.51% |
Values as reported on the Q2 2026 Form 13F. Every position is in the holdings table below.