Marshall Wace portfolio

Paul Marshall · MARSHALL WACE, LLP · CIK 0001318757

Latest 13F for the quarter ended Jun 30, 2026, filed Aug 13, 2026, compared with the quarter ended Mar 31, 2026.

Reported 13F value$126.7B

Holdings3,103

Top 10 concentration37.7%

New positions784

Added to1,081

Reduced1,183

Closed811

What changed in Q2 2026

Estimated trade value from reported units and period-end values

New positions

LPLA+$274.8MLPL FINANCIAL HO · New · now 0.22%

Added to

IVV+$10.1BISHARES-S&P 500 · +51.5% · now 23.54%
COST+$852.0MCOSTCO WHOLESALE · +345.3% · now 0.87%
ABBV+$752.3MABBVIE INC · +281757.9% · now 0.59%
JPM+$641.9MJP MORGAN CHASE · +11481.2% · now 0.51%
BAC+$607.0MBANK OF AMERICA · +581.9% · now 0.56%

Reduced

NVDA−$1.0BNVIDIA CORP · -36.8% · now 1.36%
SNDK−$808.0MSANDISK CORP · -62.9% · now 0.38%
MRVL−$741.7MMARVELL TECHNOLO · -80.4% · now 0.14%
INTC−$664.9MINTEL CORP · -65.6% · now 0.27%
MELI−$524.9MMERCADOLIBRE INC · -98.3% · now 0.01%

Closed

MRK−$334.2MMERCK & CO · Exited

Holdings, Q2 2026

3,103 positions by reported value · includes 384 option positions

Marshall Wace holdings, Q2 2026
Holding	Portfolio weight	Reported value	Shares / units	Change vs prior quarter
FOXAFOX CORP - A · COMMON STOCK	0.15%	$183.9M	3,525,505	+7111.2%
BTSGBRIGHTSPRING HEA · COMMON STOCK	0.15%	$183.8M	2,636,177	-0.7%
PSXPHILLIPS 66 · COMMON STOCK	0.15%	$183.7M	1,086,732	+40.8%
IRINGERSOLL-RAND I · COMMON STOCK	0.14%	$182.1M	2,221,079	+241.1%
CRCLCIRCLE INTERNET · COMMON STOCK

Source: SEC Form 13F filings (latest filing on sec.gov). Information and analytics, not investment advice. Holdings are reported as of the quarter end, not live positions; reported 13F value covers securities listed on Form 13F and is not the fund's total assets under management.