Marshall Wace LLP 13F, Q1 2026
Marshall Wace · quarter ending 31 March 2026 · filed 15 May 2026 · SEC CIK 1318757
Common stock only: shares the fund reported owning at the quarter end, valued as filed. The filing also lists 449 put and call lines, reported at the value of the underlying shares; they are not ownership and are not in these totals.
Largest positions, Q1 2026
The 25 largest of 2,680 positions. Weights are against the whole filed book. Changes are in shares held, against the Q4 2025 filing.
| Company | Ticker | Value | % of book | vs Q4 2025 |
|---|---|---|---|---|
| ISHARES-S&P 500 | IVV | $17.17B | 18.4% | -19% shares |
| SPDR PORTFOLIO L | SPYM | $3.80B | 4.1% | new |
| NVIDIA CORP | NVDA | $2.38B | 2.5% | -6% shares |
| APPLE INC | AAPL | $2.13B | 2.3% | +26% shares |
| AMAZON.COM INC | AMZN | $1.84B | 2.0% | -26% shares |
| MICROSOFT CORP | MSFT | $1.25B | 1.3% | -10% shares |
| ALPHABET INC-A | GOOGL | $910.44M | 1.0% | -8% shares |
| CHEVRON CORP | CVX | $863.74M | 0.9% | +225% shares |
| TESLA INC | TSLA | $776.09M | 0.8% | +10% shares |
| ADV MICRO DEVICE | AMD | $771.40M | 0.8% | -20% shares |
| HILTON WORLDWIDE | HLT | $767.13M | 0.8% | +30% shares |
| BROADCOM INC | AVGO | $762.43M | 0.8% | -26% shares |
| TAIWAN SEMIC-ADR | TSM | $757.06M | 0.8% | +31% shares |
| MORGAN STANLEY | MS | $690.74M | 0.7% | +142% shares |
| JOHNSON&JOHNSON | JNJ | $581.23M | 0.6% | -35% shares |
| ALPHABET INC-C | GOOG | $564.05M | 0.6% | -28% shares |
| META PLATFORMS-A | META | $553.85M | 0.6% | -37% shares |
| CIRCLE INTERNET | CRCL | $553.41M | 0.6% | -42% shares |
| MERCADOLIBRE INC | MELI | $543.94M | 0.6% | unchanged |
| ELI LILLY & CO | LLY | $529.95M | 0.6% | -52% shares |
| T-MOBILE US INC | TMUS | $497.67M | 0.5% | +227% shares |
| PFIZER INC | PFE | $451.60M | 0.5% | +27% shares |
| PALANTIR TECHN-A | PLTR | $432.60M | 0.5% | +32% shares |
| COCA-COLA CO/THE | KO | $425.43M | 0.5% | -47% shares |
| AIRBNB INC-A | ABNB | $383.10M | 0.4% | +1310% shares |
What changed since Q4 2025
Against the Q4 2025 filing, Marshall Wace LLP opened 753 new positions, added to 1,029, trimmed 836, left 62 unchanged and exited 590. Every position is compared, matched on its CUSIP; a change of 2% or less in shares counts as unchanged.
New positions
and 745 more
Exited
- VOOwas $2.87B
- SCHWwas $286.34M
- ELwas $217.39M
- DEUTSCHE BANK-RGwas $214.36M
- CPNGwas $203.84M
- MDBwas $201.24M
- IBITwas $171.18M
- CCJwas $160.34M
and 582 more
Other quarters
Source: SEC Form 13F-HR, accession 0001318757-26-000005, filed by MARSHALL WACE, LLP. Values are as filed and cover US-listed positions only; a 13F does not show short positions or holdings outside the US. A 13F may be filed up to 45 days after the quarter ends, so the fund may have traded since. Educational information, not financial advice.