Institutional 13F data

Marshall Wace, LLP 13F

See 2,673 stock and ETF positions for Q1 2026, including 1,790 new or increased positions and 1,435 reductions or exits, with the original SEC filing. Put and call options are excluded.

13F filing follow-along calculator

If KRW 1,000,000 followed the new and increased positions

Checking current prices and calculating the KRW 1,000,000 result.

Marshall Wace, LLP 13F top holdings

Q1 2026 · 2,673 stock & ETF positions · Filed 2026-05-14 · Data updated 2026-07-07

View original SEC filings ↗

Ranked by quarter-end stock and ETF value reported on Form 13F. Put and call options are excluded. These are not current market values or execution prices.

Reported stock & ETF value: $97.31B
Top 10 concentration: 32.8%

IVVISHARES-S&P 500

Reported value: $17.17B
Portfolio weight: 17.10%

Quarterly change: decreased -19.0%

SPYMSPDR PORTFOLIO L

Reported value: $3.8B
Portfolio weight: 3.78%

Quarterly change: new position

#3NVDANVIDIA CORP

Reported value: $2.38B
Portfolio weight: 2.57%

Quarterly change: decreased -5.5%

#4AAPLAPPLE INC

Reported value: $2.13B
Portfolio weight: 2.29%

Quarterly change: increased +25.9%

#5AMZNAMAZON.COM INC

Reported value: $1.84B
Portfolio weight: 1.99%

Quarterly change: decreased -26.2%

#6MSFTMICROSOFT CORP

Reported value: $1.25B
Portfolio weight: 1.35%

Quarterly change: decreased -10.1%

#7GOOGLALPHABET INC-A

Reported value: $914.41M
Portfolio weight: 0.91%

Quarterly change: decreased -16.5%

#8CVXCHEVRON CORP

Reported value: $863.74M
Portfolio weight: 0.86%

Quarterly change: increased +224.5%

#9TSLATESLA INC

Reported value: $776.09M
Portfolio weight: 0.84%

Quarterly change: increased +9.5%

#10AMDADV MICRO DEVICE

Reported value: $771.4M
Portfolio weight: 0.83%

Quarterly change: decreased -20.0%

#11

HLTHILTON WORLDWIDE

Reported value: $767.16M
Portfolio weight: 0.76%

Quarterly change: increased +29.6%

#12AVGOBROADCOM INC

Reported value: $762.43M
Portfolio weight: 0.82%

Quarterly change: decreased -26.4%

Largest new or increased positions

SPYMSPDR PORTFOLIO L

Reported value: $3.8B
Portfolio weight: 3.78%

Quarterly change: new position

#2AAPLAPPLE INC

Reported value: $2.13B
Portfolio weight: 2.29%

Quarterly change: increased +25.9%

#3CVXCHEVRON CORP

Reported value: $863.74M
Portfolio weight: 0.86%

Quarterly change: increased +224.5%

#4TSLATESLA INC

Reported value: $776.09M
Portfolio weight: 0.84%

Quarterly change: increased +9.5%

HLTHILTON WORLDWIDE

Reported value: $767.16M
Portfolio weight: 0.76%

Quarterly change: increased +29.6%

#6TSMTAIWAN SEMIC-ADR

Reported value: $757.06M
Portfolio weight: 0.82%

Quarterly change: increased +31.2%

MSMORGAN STANLEY

Reported value: $690.74M
Portfolio weight: 0.69%

Quarterly change: increased +142.1%

#8MELIMERCADOLIBRE INC

Reported value: $544.63M
Portfolio weight: 0.54%

Quarterly change: increased +1.0%

Latest 13F filing snapshot

Reporting period: 2026-03-31
Filed: 2026-05-14
Stock & ETF positions: 2,673
New or increased: 1,790
Reduced or exited: 1,435
Unchanged: 23

Top reported buys

MQEVCTMCIABSI

Counts cover unique stock and ETF positions and exclude put and call options, so they can differ from the SEC information-table row count. Form 13F reports quarter-end holdings and does not reveal every trade date or execution price.

View original SEC filings ↗