Marshall Wace, LLP holds a diversified book of 2681 stocks worth $93.4B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Ste STR SPDR PT S&P 500 ETF and trimmed Ishares Core S&P 500 ETF. Their largest long position is Ishares Core S&P 500 ETF at 18% of the equity book. They also disclosed $5.2B in put options (a bearish bet) and $1.8B in call options (bullish), shown separately below and excluded from the equity book.
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Use Arkolith to show MARSHALL WACE, LLP's latest holdings, largest changes, and filing provenance.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
75% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Ishares-S&P 500 ETP | $17.2B | 26.28M | 18.4% | ▼−19% Reduced · −6.2M sh | |
| 2 | SPDR Portfolio L ETP | $3.8B | 49.65M | 4.1% | ▲New New position | |
| 3 | Nvidia Corp COMMON STOCK | $2.4B | 13.66M | 2.6% | ▼−5.5% Reduced · −794K sh | |
| 4 | Apple Inc COMMON STOCK | $2.1B | 8.38M | 2.3% | ▲+26% Added · +1.7M sh | |
| 5 | Amazon.com Inc COMMON STOCK | $1.8B | 8.85M | 2.0% | ▼−26% Reduced · −3.1M sh | |
| 6 | Microsoft Corp COMMON STOCK | $1.2B | 3.37M | 1.3% | ▼−10% Reduced · −380K sh | |
| 7 | Alphabet Inc-A COMMON STOCK | $910.4M | 3.17M | 1.0% | ▼−7.9% Reduced · −272K sh | |
| 8 | Chevron Corp COMMON STOCK | $863.7M | 4.17M | 0.9% | ▲+225% Added · +2.9M sh | |
| 9 | Tesla Inc COMMON STOCK | $776.1M | 2.09M | 0.8% | ▲+9.5% Added · +181K sh | |
| 10 | Adv Micro Device COMMON STOCK | $771.4M | 3.79M | 0.8% | ▼−20% Reduced · −950K sh | |
| 11 | Hilton Worldwide COMMON STOCK | $767.1M | 2.52M | 0.8% | ▲+30% Added · +577K sh | |
| 12 | Broadcom Inc COMMON STOCK | $762.4M | 2.46M | 0.8% | ▼−26% Reduced · −886K sh | |
| 13 | Taiwan Semic-ADR ADR | $757.1M | 2.24M | 0.8% | ▲+31% Added · +533K sh | |
| 14 | Morgan Stanley COMMON STOCK | $690.7M | 4.20M | 0.7% | ▲+142% Added · +2.5M sh | |
| 15 | Johnson&johnson COMMON STOCK | $581.2M | 2.38M | 0.6% | ▼−35% Reduced · −1.3M sh | |
| 16 | Alphabet Inc-C COMMON STOCK | $564.0M | 1.97M | 0.6% | ▼−28% Reduced · −750K sh | |
| 17 | Meta Platforms-A COMMON STOCK | $553.8M | 968.1K | 0.6% | ▼−37% Reduced · −570K sh | |
| 18 | Circle Internet COMMON STOCK | $553.4M | 5.80M | 0.6% | ▼−42% Reduced · −4.2M sh | |
| 19 | Mercadolibre Inc COMMON STOCK | $543.9M | 314.6K | 0.6% | ▲+0.9% Added · +3K sh | |
| 20 | Eli Lilly & Co COMMON STOCK | $529.9M | 576.2K | 0.6% | ▼−52% Reduced · −632K sh | |
| 21 | T-Mobile US Inc COMMON STOCK | $497.7M | 2.37M | 0.5% | ▲+227% Added · +1.6M sh | |
| 22 | Pfizer Inc COMMON STOCK | $451.6M | 16.08M | 0.5% | ▲+27% Added · +3.4M sh | |
| 23 | Palantir Techn-A COMMON STOCK | $432.6M | 2.96M | 0.5% | ▲+32% Added · +709K sh | |
| 24 | Coca-Cola Co COMMON STOCK | $425.4M | 5.59M | 0.5% | ▼−47% Reduced · −5.0M sh | |
| 25 | Airbnb Inc-A COMMON STOCK | $383.1M | 3.03M | 0.4% | ▲14× Added · +2.8M sh | |
| 26 | Applied Material COMMON STOCK | $382.2M | 1.12M | 0.4% | ▲+3.9% Added · +42K sh | |
| 27 | Unitedhealth Grp COMMON STOCK | $381.6M | 1.41M | 0.4% | ▼−17% Reduced · −294K sh | |
| 28 | Ross Stores Inc COMMON STOCK | $366.7M | 1.69M | 0.4% | ▲+36% Added · +448K sh | |
| 29 | Alnylam Pharmace COMMON STOCK | $363.7M | 1.10M | 0.4% | ▲+100% Added · +549K sh | |
| 30 | Sandisk Corp COMMON STOCK | $358.7M | 564.6K | 0.4% | ▼−44% Reduced · −439K sh | |
| 31 | Marriott Intl-A COMMON STOCK | $338.3M | 1.03M | 0.4% | ▲23× Added · +989K sh | |
| 32 | Reddit Inc-A COMMON STOCK | $335.9M | 2.49M | 0.4% | ▲+110% Added · +1.3M sh | |
| 33 | Merck & Co COMMON STOCK | $334.2M | 2.78M | 0.4% | ▼−30% Reduced · −1.2M sh | |
| 34 | Netflix Inc COMMON STOCK | $322.2M | 3.35M | 0.3% | ▲+197% Added · +2.2M sh | |
| 35 | Gilead Sciences COMMON STOCK | $322.0M | 2.31M | 0.3% | ▲+191% Added · +1.5M sh | |
| 36 | Intel Corp COMMON STOCK | $320.2M | 7.26M | 0.3% | ▼−40% Reduced · −4.9M sh | |
| 37 | Casey's General COMMON STOCK | $313.2M | 430.4K | 0.3% | ▲+355% Added · +336K sh | |
| 38 | Marvell Technolo COMMON STOCK | $306.6M | 3.10M | 0.3% | ▲+116% Added · +1.7M sh | |
| 39 | Five Below COMMON STOCK | $304.8M | 1.33M | 0.3% | ▼−25% Reduced · −451K sh | |
| 40 | SLB Ltd COMMON STOCK | $304.6M | 5.93M | 0.3% | ▲+423% Added · +4.8M sh | |
| 41 | Micron Tech COMMON STOCK | $304.5M | 901.4K | 0.3% | ▲+25% Added · +179K sh | |
| 42 | Shopify Inc - A COMMON STOCK | $301.5M | 2.54M | 0.3% | ▲+34% Added · +642K sh | |
| 43 | Accenture PLC-A COMMON STOCK | $299.6M | 1.51M | 0.3% | ▲64× Added · +1.5M sh | |
| 44 | Analog Devices COMMON STOCK | $298.7M | 938.8K | 0.3% | ▲405× Added · +936K sh | |
| 45 | Amphenol Corp-A COMMON STOCK | $295.3M | 2.34M | 0.3% | ▲+375% Added · +1.8M sh | |
| 46 | ASML Holding-NY NY REG SHRS | $291.3M | 220.6K | 0.3% | ▲+296% Added · +165K sh | |
| 47 | Capital One Fina COMMON STOCK | $283.2M | 1.55M | 0.3% | ▲+24% Added · +299K sh | |
| 48 | Dollar General C COMMON STOCK | $264.6M | 2.23M | 0.3% | ▲+32% Added · +543K sh | |
| 49 | Walmart Inc COMMON STOCK | $263.2M | 2.12M | 0.3% | ▼−76% Reduced · −6.8M sh | |
| 50 | Costco Wholesale COMMON STOCK | $262.8M | 263.7K | 0.3% | ▼−48% Reduced · −248K sh |
Put / call positions from the 13F — totals include every disclosed option leg
| Type | Underlying | Notional value | Underlying shares |
|---|---|---|---|
| PUT · bearish | ISHARES SILVER TRUSTSLV | $408.2M | 6.0M |
| PUT · bearish | SPDR GOLD SHARESGLD | $366.1M | 851K |
| PUT · bearish | SS HEALTH CARE SELECT SECTORXLV | $275.7M | 1.9M |
| PUT · bearish | MICROSOFT CORPMSFT | $222.9M | 602K |
| PUT · bearish | VANECK GOLD MINERS ETFGDX | $187.9M | 2.0M |
| CALL · bullish | INVESCO QQQ TRUST SERIES 1QQQ | $180.8M | 313K |
| PUT · bearish | COINBASE GLOBAL INC -CLASS ACOIN | $179.2M | 1.0M |
| PUT · bearish | NETFLIX INCNFLX | $159.5M | 1.7M |
| PUT · bearish | ISHARES MSCI SOUTH KOREA ETFEWY | $158.3M | 1.3M |
| CALL · bullish | ISHARES EXPANDED TECH-SOFTWAIGV | $128.7M | 1.6M |
| CALL · bullish | ISHARES MSCI SOUTH KOREA ETFEWY | $126.3M | 1.0M |
| PUT · bearish | CITIGROUP INCC | $112.8M | 995K |
| PUT · bearish | ADVANCED MICRO DEVICESAMD | $112.6M | 554K |
| PUT · bearish | SS COMM SELECT SECTOR SPDRXLC | $110.7M | 999K |
| PUT · bearish | VANECK SEMICONDUCTOR ETFSMH | $108.3M | 282K |
| PUT · bearish | WALT DISNEY CO/THEDIS | $100.4M | 1.0M |
| PUT · bearish | SS SPDR S&P 500 ETF TRUST-USSPY | $93.5M | 144K |
| CALL · bullish | SPDR GOLD SHARESGLD | $89.5M | 208K |
| CALL · bullish | ISHARES SILVER TRUSTSLV | $87.8M | 1.3M |
| PUT · bearish | NIKE INC -CL BNKE | $87.3M | 1.7M |
| PUT · bearish | INVESCO QQQ TRUST SERIES 1QQQ | $79.9M | 139K |
| CALL · bullish | ISHARES MSCI BRAZIL ETFEWZ | $78.0M | 2.0M |
| CALL · bullish | ORACLE CORPORCL | $76.7M | 521K |
| PUT · bearish | PALANTIR TECHNOLOGIES INC-APLTR | $76.4M | 522K |
| PUT · bearish | ELI LILLY & COLLY | $76.0M | 83K |
13F filers disclose option positions at the market value of the underlying the contracts reference, not the premium paid. A put is a bearish bet (it gains if the stock falls); a call is bullish. “Underlying shares” is the share count the contracts control, not a share holding. These legs are excluded from the equity book, weighting, concentration and sector figures above. Showing the largest 25 of 449 option legs.
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 6,623 | $100.4B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 13, 2026 | 6,074 | $109.9B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 13, 2025 | 5,977 | $98.6B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 13, 2025 | 5,574 | $88.8B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 15, 2025 | 5,394 | $78.8B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 13, 2025 | 5,477 | $83.2B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 3,720 | $82.1B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 14, 2024 | 3,628 | $74.9B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 15, 2024 | 3,335 | $65.7B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Feb 14, 2024 | 3,054 | $59.0B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Nov 14, 2023 | 3,017 | $49.4B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Aug 14, 2023 | 3,400 | $51.2B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 15, 2023 | 3,527 | $47.1B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 14, 2023 | 3,758 | $44.5B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 14, 2022 | 4,319 | $45.6B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 15, 2022 | 5,734 | $48.6B | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 16, 2022 | 4,649 | $52.8B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 14, 2022 | 5,264 | $54.2B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 15, 2021 | 3,395 | $24.1B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 25, 2021 | 2,977 | $22.1B | 13F-HR/A |
| Q1 2021 | Mar 31, 2021 | May 17, 2021 | 2,807 | $21.8B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Feb 16, 2021 | 1,952 | $18.5B | 13F-HR |
| Q3 2020 | Sep 30, 2020 | Nov 16, 2020 | 1,642 | $15.6B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.