Marshall Wace, LLP reported 2,470 positions worth $81.48B for the quarter ended Jun 30, 2026, up 17.7% on the prior quarter. It opened 567 new positions, added to 918, trimmed 968 and exited 541. Its largest holding is Apple Inc. at 3.2% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Trade Value | Weight |
|---|---|---|---|
| COST Costco Wholesale Corp | +910.7K +345.3% | $851.96M | 1.35% |
| ABBV AbbVie Inc. | +2.99M +281,757.9% | $752.27M | 0.924% |
| JPM Jpmorgan Chase & Co | +1.96M +11,481.2% | $641.89M | 0.795% |
| BAC Bank Of America Corp | +10.65M +581.8% | $606.99M | 0.873% |
| MU Micron Technology Inc | +447.3K +49.6% | $516.29M | 1.91% |
| QCOM Qualcomm Inc | +2.46M +10,156.6% | $454.20M | 0.563% |
| AXP American Express Co | +1.30M +1,033.9% | $440.78M | 0.593% |
| TXN Texas Instruments Inc | +1.46M +1,004.6% | $434.54M | 0.586% |
| IBM International Business Machines Corp | +1.41M +491.2% | $397.88M | 0.588% |
| XOM ExxonMobil Holdings Corp | +2.87M +1,042.6% | $392.00M | 0.527% |
| Holding | Change | Trade Value | Weight |
|---|---|---|---|
| NVDA Nvidia Corp | -5.03M -36.8% | $1.01B | 2.12% |
| SNDK Sandisk Corp | -355.4K -62.9% | $808.01M | 0.584% |
| MRVL Marvell Technology, Inc. | -2.49M -80.4% | $741.73M | 0.221% |
| INTC Intel Corp | -4.76M -65.6% | $664.87M | 0.427% |
| MELI Mercadolibre Inc | -309.3K -98.3% | $524.93M | 0.011% |
| AVGO Broadcom Inc. | -1.28M -52.0% | $484.07M | 0.548% |
| GOOG Alphabet Inc. | -1.32M -66.9% | $464.95M | 0.282% |
| APH Amphenol Corp | -4.46M -95.3% | $392.83M | 0.024% |
| AMAT Applied Materials Inc | -539.1K -48.2% | $389.80M | 0.514% |
| PFE Pfizer Inc | -15.28M -95.0% | $367.95M | 0.024% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| LPLA LPL Financial Holdings Inc. | +975.6K | $274.81M | 0.337% |
| HUM Humana Inc | +546.0K | $216.87M | 0.266% |
| RSG Republic Services, Inc. | +919.6K | $195.95M | 0.241% |
| WING Wingstop Inc. | +961.3K | $166.70M | 0.205% |
| BLK BlackRock, Inc. | +128.1K | $123.14M | 0.151% |
| RJF Raymond James Financial Inc | +665.5K | $101.17M | 0.124% |
| COR Cencora, Inc. | +342.2K | $96.83M | 0.119% |
| INIO Innio N.V. | +2.10M | $83.17M | 0.102% |
| TRGP Targa Resources Corp. | +297.7K | $79.83M | 0.098% |
| CPNG Coupang, Inc. | +3.59M | $62.38M | 0.077% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| MRK Merck & Co., Inc. | -2.78M | $334.20M | 0.483% |
| SRE Sempra | -1.36M | $132.03M | 0.191% |
| PODD Insulet Corp | -606.5K | $127.26M | 0.184% |
| RKLB Rocket Lab Corp | -1.88M | $120.82M | 0.175% |
| KMB Kimberly Clark Corp | -1.18M | $114.07M | 0.165% |
| JBL Jabil Inc | -318.8K | $84.69M | 0.122% |
| CHWY Chewy, Inc. | -3.11M | $83.91M | 0.121% |
| WMB Williams Companies, Inc. | -1.03M | $75.11M | 0.109% |
| TIGO Millicom International Cellular Sa | -924.1K | $69.25M | 0.1% |
| CE Celanese Corp | -1.04M | $68.59M | 0.099% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | AAPL Apple Inc. | Technology | 9.08M | $2.63B | 3.23% | +701.2K | +8.4% | Added | 0.06% |
| 2 | AMZN Amazon Com Inc | Consumer Discretionary | 9.51M | $2.27B | 2.78% | +661.4K | +7.5% | Added | 0.09% |
| 3 | AMD Advanced Micro Devices Inc | Technology | 3.90M | $2.26B | 2.78% | +106.2K | +2.8% | Added | 0.24% |
| 4 | NVDA Nvidia Corp | Technology | 8.64M | $1.73B | 2.12% | -5.03M | -36.8% | Reduced | 0.04% |
| 5 | MU Micron Technology Inc | Technology | 1.35M | $1.56B | 1.91% | +447.3K | +49.6% | Added | 0.12% |
| 6 | MSFT Microsoft Corp | Technology | 3.34M | $1.25B | 1.53% | -30.2K | -0.9% | Reduced | 0.04% |
| 7 | COST Costco Wholesale Corp | Consumer Staples | 1.17M | $1.10B | 1.35% | +910.7K | +345.3% | Added | 0.26% |
| 8 | MS Morgan Stanley | Financial Services | 4.65M | $971.79M | 1.19% | +451.6K | +10.8% | Added | 0.3% |
| 9 | TSLA Tesla, Inc. | Consumer Discretionary | 2.19M | $920.45M | 1.13% | +100.8K | +4.8% | Added | 0.06% |
| 10 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Technology | 1.81M | $864.63M | 1.06% | -429.7K | -19.2% | Reduced | 0.03% |
| 11 | GOOGL Alphabet Inc. | Technology | 2.21M | $790.12M | 0.97% | -955.2K | -30.2% | Reduced | 0.04% |
| 12 | HLT Hilton Worldwide Holdings Inc. | Consumer Discretionary | 2.32M | $766.44M | 0.941% | -203.5K | -8.1% | Reduced | 1.02% |
| 13 | UNH Unitedhealth Group Inc | Healthcare | 1.83M | $761.87M | 0.935% | +422.7K | +30.0% | Added | 0.2% |
| 14 | JNJ Johnson & Johnson | Healthcare | 2.99M | $759.25M | 0.932% | +611.7K | +25.7% | Added | 0.12% |
| 15 | ABBV AbbVie Inc. | Healthcare | 2.99M | $752.53M | 0.924% | +2.99M | +281,757.9% | Added | 0.17% |
Tip. Select a row to see that position’s full history at Marshall Wace, Llp.
As of its Q2 2026 13F filing, Marshall Wace, LLP’s five largest positions were Apple Inc. (AAPL) at 3.2%, Amazon Com Inc (AMZN) at 2.8%, Advanced Micro Devices Inc (AMD) at 2.8%, Nvidia Corp (NVDA) at 2.1%, Micron Technology Inc (MU) at 1.9% of the reported portfolio.
Marshall Wace, LLP reported a 13F portfolio worth $81.48B across 2,470 positions for Q2 2026. That is up 17.7% from the previous quarter.
Its largest purchases by value were Costco Wholesale Corp ($851.96M), AbbVie Inc. ($752.27M), Jpmorgan Chase & Co ($641.89M). It opened 567 new positions.
Its largest sales by value were Nvidia Corp ($1.01B), Sandisk Corp ($808.01M), Marvell Technology, Inc. ($741.73M). It exited 541 positions entirely.
From the Form 13F-HR reports Marshall Wace, LLP files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.