Marshall Wace
Paul Marshall & Ian Wace (founders)
Latest 13F filed Aug 13, 2026 for the quarter ending Jun 30, 2026 · $126.70B across 3103 positions · view on SEC EDGAR
Top holdings
From the 13F filed Aug 13, 2026. Bars show each position's share of the reported book.
| # | Holding | Value | % of book | Shares |
|---|---|---|---|---|
| 1 | ISHARES-S&P 500 | $29.83B | 39,828,525 | |
| 2 | SPDR PORTFOLIO L | $4.12B | 46,869,324 | |
| 3 | APPLE INC | $2.63B | 9,084,303 | |
| 4 | AMAZON.COM INC | $2.27B | 9,514,151 | |
| 5 | ADV MICRO DEVICE | $2.26B | 3,898,210 | |
| 6 | NVIDIA CORP | $1.73B | 8,637,159 | |
| 7 | MICRON TECH | $1.56B | 1,348,718 | |
| 8 | MICROSOFT CORP | $1.25B | 3,340,231 | |
| 9 | COSTCO WHOLESALE | $1.10B | 1,174,466 | |
| 10 | MORGAN STANLEY | $971.8M | 4,648,847 | |
| 11 | TESLA INC | $920.4M | 2,188,456 | |
| 12 | TAIWAN SEMIC-ADR | $864.6M | 1,810,476 | |
| 13 | ALPHABET INC-A | $790.1M | 2,210,932 | |
| 14 | HILTON WORLDWIDE | $766.4M | 2,319,322 | |
| 15 | UNITEDHEALTH GRP | $761.9M | 1,833,046 | |
| 16 | JOHNSON&JOHNSON | $759.3M | 2,989,537 | |
| 17 | ABBVIE INC | $752.5M | 2,990,512 | |
| 18 | BANK OF AMERICA | $711.3M | 12,483,467 | |
| 19 | COCA-COLA CO/THE | $669.7M | 8,240,650 | |
| 20 | JP MORGAN CHASE | $647.5M | 1,978,070 | |
| 21 | MARKET VECTORS SPUT | $507.5M | 773,800 | |
| 22 | ABBOTT LABS | $502.9M | 5,542,438 | |
| 23 | META PLATFORMS-A | $502.2M | 891,552 | |
| 24 | CME GROUP INC | $494.9M | 2,241,304 | |
| 25 | BLOOM ENERGY C-A | $490.1M | 1,618,954 |
Showing top 25 of 3103 reported positions. Put/Call tags mark options positions.
Latest-quarter moves
From the most recent 13F vs. the prior quarter
- ISHARES PHLX SOX (Put)$298.5M
- LPL FINANCIAL HO$274.8M
- HUMANA INC$216.9M
- REPUBLIC SVCS$196.0M
- ISHARES PHLX SOX (Call)$188.1M
- WINGSTOP INC$166.7M
- INVESCO S&P 500$149.7M
- ISHARES-S&P 500 (Call)$134.8M
- BLACKROCK INC$123.1M
- RAYMOND JAMES$101.2M
- CADENCE DESIGN (Put)$97.6M
- CENCORA INC$96.8M
- ISHARES-S&P 500$29.83B
- APPLE INC$2.63B
- AMAZON.COM INC$2.27B
- ADV MICRO DEVICE$2.26B
- MICRON TECH$1.56B
- COSTCO WHOLESALE$1.10B
- MORGAN STANLEY$971.8M
- TESLA INC$920.4M
- UNITEDHEALTH GRP$761.9M
- JOHNSON&JOHNSON$759.3M
- ABBVIE INC$752.5M
- BANK OF AMERICA$711.3M
- SPDR PORTFOLIO L$4.12B
- NVIDIA CORP$1.73B
- MICROSOFT CORP$1.25B
- TAIWAN SEMIC-ADR$864.6M
- ALPHABET INC-A$790.1M
- HILTON WORLDWIDE$766.4M
- META PLATFORMS-A$502.2M
- SANDISK CORP$475.7M
- BROADCOM INC$446.5M
- CHEVRON CORP$420.3M
- APPLIED MATERIAL$418.7M
- ELI LILLY & CO$401.4M
- MERCK & CO$334.2M
- SEMPRA$132.0M
- INSULET CORP$127.3M
- ROCKET LAB CORP$120.8M
- KIMBERLY-CLARK$114.1M
- COMM SERV SELECT (Put)$110.7M
- SPDR-MATERIALS$107.3M
- SPDR GOLD TRUST (Call)$89.5M
- JABIL INC$84.7M
- CHEWY INC- CL A$83.9M
- WILLIAMS COS INC$75.1M
- MILLICOM INTL$69.3M
Recent SEC filings
Past 3 months
Questions people ask
What did Marshall Wace own in its latest 13F?
The 13F filed Aug 13, 2026 for the quarter ending Jun 30, 2026 listed 3103 positions worth $126.70B. The largest was ISHARES-S&P 500 at $29.83B, 23.5% of the reported portfolio.
When did Marshall Wace last file a 13F?
On Aug 13, 2026, covering the quarter that ended Jun 30, 2026. The next one is due within 45 days of the next quarter end, so the positions here can be up to 45 days old on the day they are published.
What did Marshall Wace buy and sell last quarter?
Compared with the prior 13F, the latest filing shows 783 new positions, 1081 positions added to, 1184 trimmed and 810 sold out entirely. Each is listed above with its size.
Does this page show everything Marshall Wace owns?
No. A 13F covers long positions in US-listed stocks, certain options and convertible notes. It leaves out short positions, cash, bonds, private holdings and shares listed outside the US, so the total here is not the fund's full size.
Data from SEC EDGAR filings. 13Fs are quarterly and lag by up to 45 days, cover only US-listed long positions and certain options, and exclude shorts and non-US holdings. Not investment advice.