account_balance
Investment manager · 13F filer · SEC CIK 1318757
Marshall Wace, LLP
Reported value$119Bas of Jun 30, 2026
Positions2,719 685 new, 647 sold out
Top 10 weight40.3%IVV alone is 25%
FiledAug 1344 days after quarter end
Portfolio · as of Jun 30, 2026
Where the money is
New or addedTrimmedHeld
IVVIshares-s&p 500
25.2%Added +52%
SPYMSPDR Portfolio L
3.5%Trimmed −6%
AAPLApple Inc
2.2%Added +8%
AMZNAmazon.com Inc
1.9%Added +7%
AMDAdv Micro Device
1.9%Added +3%
NVDANvidia Corp
1.5%Trimmed −37%
MUMicron Tech
1.3%Added +50%
MSFTMicrosoft Corp
1.1%
COSTCostco Wholesale
0.9%Added +345%
MSMorgan Stanley
0.8%Added +11%
TSLATesla Inc
0.8%Added +5%
TSM0.7%IVVIshares-s&p 500
25.2%Added +52%
SPYM3.5%
AAPL2.2%AMZN1.9%AMD1.9%NVDA1.5%MU1.3%MSFT1.1%COST0.9%MSTSLATSMBoxes show the top 12 stocks, sized against each other. The bar above shows how much of the fund they are. 13F only covers US-listed stocks, so foreign holdings and short positions are missing.
Show the top 12 as a list
IVV Ishares-s&p 500 25.2% Added +52%
SPYM SPDR Portfolio L 3.5% Trimmed −6%
AAPL Apple Inc 2.2% Added +8%AMZN Amazon.com Inc 1.9% Added +7%AMD Adv Micro Device 1.9% Added +3%NVDA Nvidia Corp 1.5% Trimmed −37%MU Micron Tech 1.3% Added +50%MSFT Microsoft Corp 1.1% HeldCOST Costco Wholesale 0.9% Added +345%MS Morgan Stanley 0.8% Added +11%TSLA Tesla Inc 0.8% Added +5%TSM Taiwan Semic-adr 0.7% Trimmed −19%What changed