Marshall Wace
MARSHALL WACE, LLP · CIK 0001318757 · LONDON, X0 · Quarter end: 2026-06-30 · Filed on: 2026-08-13 · Open the SEC source ↗Quantitative
Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$126.70B
2026 Q2
Positions
3,103
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
37.7%
Est. Net Flow (Q)
—
2026 Q2
Top Holdings
IVV
ISHARES-S&P 500
23.5%
SPYM
SPDR PORTFOLIO L
3.3%
AAPL
APPLE INC
2.1%
AMZN
AMAZON.COM INC
1.8%
AMD
ADV MICRO DEVICE
1.8%
NVDA
NVIDIA CORP
1.4%
MU
MICRON TECH
1.2%
MSFT
MICROSOFT CORP
1.0%
New / Increased
No prior quarter data
Reduced / Exited
No prior quarter data
Read the 2026-Q2 quarterly report · 13F Filing Calendar
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.