Marshall Wace LLP 13F, Q4 2025

Marshall Wace · quarter ending 31 December 2025 · filed 13 February 2026 · SEC CIK 1318757

$103.81B
Filed US book
2,517
Positions
21.4%
Largest position

Common stock only: shares the fund reported owning at the quarter end, valued as filed. The filing also lists 382 put and call lines, reported at the value of the underlying shares; they are not ownership and are not in these totals.

Largest positions, Q4 2025

The 25 largest of 2,517 positions. Weights are against the whole filed book. Changes are in shares held, against the Q3 2025 filing.

CompanyTickerValue% of bookvs Q3 2025
ISHARES-S&P 500IVV$22.23B21.4%+18% shares
VANGUARD S&P 500VOO$2.87B2.8%new
AMAZON.COM INCAMZN$2.77B2.7%+13% shares
NVIDIA CORPNVDA$2.70B2.6%+17% shares
MICROSOFT CORPMSFT$1.81B1.8%-42% shares
APPLE INCAAPL$1.81B1.7%-38% shares
ELI LILLY & COLLY$1.30B1.3%+641% shares
BROADCOM INCAVGO$1.16B1.1%+106% shares
ALPHABET INC-AGOOGL$1.08B1.0%+49% shares
ADV MICRO DEVICEAMD$1.02B1.0%-7% shares
META PLATFORMS-AMETA$1.02B1.0%unchanged
WALMART INCWMT$990.33M0.9%+17% shares
TESLA INCTSLA$857.63M0.8%+5% shares
ALPHABET INC-CGOOG$852.42M0.8%+39% shares
CIRCLE INTERNETCRCL$791.31M0.8%+24% shares
JOHNSON&JOHNSONJNJ$759.15M0.7%+2% shares
COCA-COLA CO/THEKO$743.91M0.7%+1207% shares
DOORDASH INC-ADASH$680.97M0.7%+48% shares
MERCADOLIBRE INCMELI$628.08M0.6%+170% shares
BRISTOL-MYER SQBBMY$584.94M0.6%+607% shares
UNITEDHEALTH GRPUNH$562.55M0.5%+677% shares
HILTON WORLDWIDEHLT$558.92M0.5%+90% shares
THERMO FISHERTMO$552.70M0.5%+89% shares
UBER TECHNOLOGIEUBER$546.92M0.5%+281% shares
NU HOLDINGS LT-A$526.92M0.5%+8% shares

What changed since Q3 2025

Against the Q3 2025 filing, Marshall Wace LLP opened 710 new positions, added to 866, trimmed 872, left 69 unchanged and exited 641. Every position is compared, matched on its CUSIP; a change of 2% or less in shares counts as unchanged.

New positions

and 702 more

Exited

  • ARESwas $145.92M
  • MPWRwas $121.66M
  • MCOwas $105.70M
  • SPYMwas $92.34M
  • THCwas $90.26M
  • ZTSwas $86.97M
  • YUMwas $86.94M
  • RMDwas $85.13M

and 633 more

Added to

and 858 more

Trimmed

  • MSFT-42%$1.81B
  • AAPL-38%$1.81B
  • AMD-7%$1.02B
  • USB-28%$374.46M
  • AFRM-3%$322.56M
  • MS-41%$307.81M
  • COF-43%$303.68M
  • BSX-70%$281.97M

and 864 more

Other quarters

Source: SEC Form 13F-HR, accession 0001318757-26-000003, 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.