13F value (AUM)
$126.7B
Marshall Wace
MARSHALL WACE, LLP
$126.7B
13F long value · 2026-Q2Positions3103
CategoryAsset Manager
Quarters tracked9
▲ #90 of 581 by 13F value
Size rank 9/10
103 NEW247 ADD552 2×+496 TRIM284 NEAR EXIT108 EXIT
Snapshot
Marshall Wace's 13F portfolio at a glance — size, concentration and this quarter's activity.
Positions
3103 (289 unmapped)
Top 100 weight
63.9%
Quarters tracked
9
Latest 13F filed
Aug 13, 2026
New positions
103
Exits / near-exits
392
13F value by quarter
Total reported long value each quarter — fund flows plus market moves.
Top holdings — 2026-Q2
The fund's largest reported positions (PUT/CALL rows are option positions, reported separately). The 100 shown cover 63.9% of the portfolio.
| Ticker | Issuer | Weight | Value | Shares | Since 2026-Q2 |
|---|---|---|---|---|---|
| IVV | ISHARES-S&P 500 | 23.5% | $29.8B | 39.8M | — |
| SPYM | SPDR PORTFOLIO L | 3.3% | $4.1B | 46.9M | -4.2% |
| AAPL | APPLE INC | 2.1% | $2.6B | 9.1M | +15.0% |
| AMZN | AMAZON.COM INC | 1.8% | $2.3B | 9.5M | +5.3% |
| AMD | ADV MICRO DEVICE | 1.8% | $2.3B | 3.9M | +9.2% |
| NVDA | NVIDIA CORP | 1.4% | $1.7B | 8.6M | +18.2% |
| MU | MICRON TECH | 1.2% | $1.6B | 1.3M | -54.6% |
| MSFT | MICROSOFT CORP | 1.0% | $1.2B | 3.3M | +38.0% |
| COST | COSTCO WHOLESALE | 0.9% | $1.1B | 1.2M | -2.4% |
| MS | MORGAN STANLEY | 0.8% | $971.8M | 4.6M | -9.0% |
| TSLA | TESLA INC | 0.7% | $920.4M | 2.2M | -11.7% |
| TSM | TAIWAN SEMIC-ADR | 0.7% | $864.6M | 1.8M | -15.2% |
| GOOGL | ALPHABET INC-A | 0.6% | $790.1M | 2.2M | -3.9% |
| HLT | HILTON WORLDWIDE | 0.6% | $766.4M | 2.3M | +0.6% |
| UNH | UNITEDHEALTH GRP | 0.6% | $761.9M | 1.8M | -11.5% |
Option positions — 2026-Q2
$6.0B across 196 put positions vs $2.2B across 188 call positions — put/call ratio 2.77. Values are notional — the market value of the shares the options reference.
| Type | Ticker | Issuer | Underlying shares | Notional value | % of 13F value |
|---|---|---|---|---|---|
| PUT | SMH | MARKET VECTORS S | 773.8K | $507.5M | 0.4% |
| PUT | SOXX | ISHARES PHLX SOX | 465.8K | $298.5M | 0.2% |
| PUT | SLV | ISHARES SILVER T | 5.4M | $289.9M | 0.2% |
| PUT | MSFT | MICROSOFT CORP | 713.7K | $266.2M | 0.2% |
| PUT | SPY | SPDR S&P 500 ETF | 353.5K | $264.0M | 0.2% |
| PUT | QQQ | INVESCO QQQ TRUS | 323.1K | $237.9M | 0.2% |
| CALL | QQQ | INVESCO QQQ TRUS | 295.7K | $217.8M | 0.2% |
| PUT | — | XP INC - CLASS A | 1.6M | $202.0M | 0.2% |
| PUT | MU | MICRON TECH | 172.9K | $199.6M | 0.2% |
| CALL | SOXX | ISHARES PHLX SOX | 293.5K | $188.1M | 0.1% |
Quarterly changes — 2026-Q2
What Marshall Wace opened, added, trimmed and exited this quarter, largest dollar moves first.
| Action | Ticker | Issuer | Prev shares | Curr shares | Change | Value Δ |
|---|---|---|---|---|---|---|
| ADD | IVV | ISHARES-S&P 500 | 26.3M | 39.8M | +51.5% | +$12.7B |
| ADD | MU | MICRON TECH | 901.4K | 1.3M | +49.6% | +$1.3B |
| 2×+ | COST | COSTCO WHOLESALE | 263.7K | 1.2M | +345.3% | +$835.9M |
| 2×+ | ABBV | ABBVIE INC | 1.1K | 3.0M | +281757.9% | +$752.3M |
| TRIM | NVDA | NVIDIA CORP | 13.7M | 8.6M | -36.8% | -$654.2M |
| 2×+ | JPM | JP MORGAN CHASE | 17.1K | 2.0M | +11481.2% | +$642.5M |
| 2×+ | BAC | BANK OF AMERICA | 1.8M | 12.5M | +581.8% | +$622.1M |
| NEAR EXIT | MELI | MERCADOLIBRE INC | 314.6K | 5.3K | -98.3% | -$534.9M |
| 2×+ | QCOM | QUALCOMM INC | 24.2K | 2.5M | +10156.6% | +$455.6M |
| 2×+ | TXN | TEXAS INSTRUMENT | 145.1K | 1.6M | +1004.6% | +$449.6M |
Conviction over time
Portfolio weight of the current top long holdings, quarter by quarter — rising weight = growing conviction.