Maseco Llp
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$3.19B
Q ending 2026-03-31
Prior quarter
$2.30B
Q ending 2025-12-31
Change
+38.8% QoQ
Positions
391
reported holdings
Largest positions
Top 100 of 391 reported positions by value, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Dimensional Etf Trust | DFUS | Shares | $530.9M | 7.5M |
| Vanguard Scottsdale Fds | VGIT | Shares | $386.5M | 6.5M |
| American Centy Etf Tr | AVUS | Shares | $259.9M | 2.3M |
| Dimensional Etf Trust | DFGP | Shares | $207.9M | 3.9M |
| American Centy Etf Tr | AVDE | Shares | $166.2M | 2.0M |
| Dimensional Etf Trust | DFIC | Shares | $112.6M | 3.2M |
| Dimensional Etf Trust | DFUV | Shares | $97.9M | 2.0M |
| Dimensional Etf Trust | DFSB | Shares | $96.0M | 1.9M |
| American Centy Etf Tr | AVSU | Shares | $95.6M | 1.3M |
| American Centy Etf Tr | AVEM | Shares | $93.5M | 1.2M |
| American Centy Etf Tr | AVSF | Shares | $91.6M | 2.0M |
| Dimensional Etf Trust | DFAI | Shares | $88.3M | 2.3M |
| Dimensional Etf Trust | DFSU | Shares | $83.3M | 2.0M |
| Dimensional Etf Trust | DFAU | Shares | $82.9M | 1.8M |
| Dimensional Etf Trust | DFAC | Shares | $82.1M | 2.1M |
| Ishares Tr | STIP | Shares | $80.1M | 775K |
| Dimensional Etf Trust | DFEM | Shares | $77.5M | 2.2M |
| Dimensional Etf Trust | DFIV | Shares | $53.7M | 1.0M |
| American Centy Etf Tr | AVSD | Shares | $51.7M | 702K |
| Dimensional Etf Trust | DFAE | Shares | $47.4M | 1.4M |
| Dimensional Etf Trust | DFSI | Shares | $41.8M | 988K |
| Dimensional Etf Trust | DFGR | Shares | $41.3M | 1.6M |
| Ishares Tr | SHV | Shares | $36.7M | 333K |
| Dimensional Etf Trust | DFSD | Shares | $35.4M | 739K |
| American Centy Etf Tr | AVSE | Shares | $29.0M | 435K |
| Vanguard Scottsdale Fds | VGSH | Shares | $26.0M | 444K |
| Dimensional Etf Trust | DFSE | Shares | $24.9M | 588K |
| Vanguard Index Fds | VOO | Shares | $21.3M | 36K |
| Dimensional Etf Trust | DFAS | Shares | $20.5M | 288K |
| Ishares Tr | IVV | Shares | $10.6M | 16K |
| Dimensional Etf Trust | DFAW | Shares | $10.4M | 142K |
| State Str Spdr S&P 500 Etf T | SPY | Shares | $7.1M | 11K |
| Vanguard Index Fds | VTI | Shares | $5.5M | 17K |
| Manager Directed Portfolios | VGSR | Shares | $5.2M | 501K |
| Alphabet Inc | GOOG | Shares | $4.5M | 16K |
| Vanguard Whitehall Fds | VYM | Shares | $4.2M | 29K |
| Jpmorgan Chase & Co | JPM | Shares | $4.0M | 14K |
| Ishares Inc | LEMB | Shares | $4.0M | 97K |
| Ishares Tr | SGOV | Shares | $3.9M | 39K |
| Ishares Tr | IGSB | Shares | $3.0M | 57K |
| Ishares Tr | USHY | Shares | $2.6M | 72K |
| Ishares Tr | IEFA | Shares | $2.5M | 28K |
| Schwab Strategic Tr | FNDX | Shares | $2.2M | 80K |
| Vanguard Intl Equity Index F | VWO | Shares | $2.2M | 41K |
| Vaneck Etf Trust | GDX | Shares | $2.2M | 24K |
| Vanguard Whitehall Fds | VYMI | Shares | $2.2M | 23K |
| Vanguard Tax-Managed Fds | VEA | Shares | $2.1M | 33K |
| Apple Inc | AAPL | Shares | $1.9M | 7K |
| Spdr Series Trust | SPYX | Shares | $1.8M | 34K |
| Vanguard Index Fds | VV | Shares | $1.8M | 6K |
| Ishares Tr | ACWI | Shares | $1.7M | 12K |
| Vanguard Bd Index Fds | BSV | Shares | $1.7M | 22K |
| Vanguard Malvern Fds | VTIP | Shares | $1.6M | 32K |
| Vanguard Index Fds | VTV | Shares | $1.6M | 8K |
| Astrazeneca Plc | Shares | $1.4M | 7K | |
| Ishares Tr | IWF | Shares | $1.4M | 3K |
| Abbvie Inc | ABBV | Shares | $1.2M | 5K |
| Berkshire Hathaway Inc Del | BRK/B | Shares | $1.2M | 2K |
| Microsoft Corp | MSFT | Shares | $1.2M | 3K |
| Schwab Strategic Tr | FNDF | Shares | $1.1M | 23K |
| Vanguard Star Fds | VXUS | Shares | $1.1M | 14K |
| Vanguard Index Fds | VNQ | Shares | $1.0M | 11K |
| Dimensional Etf Trust | DFAX | Shares | $957K | 28K |
| Vanguard Index Fds | VUG | Shares | $942K | 2K |
| Ishares Inc | IEMG | Shares | $729K | 10K |
| Merck & Co Inc | MRK | Shares | $724K | 6K |
| Vanguard Intl Equity Index F | VGK | Shares | $723K | 9K |
| Meta Platforms Inc | META | Shares | $702K | 1K |
| Ishares Tr | SHY | Shares | $651K | 8K |
| Dimensional Etf Trust | DFAT | Shares | $633K | 10K |
| Ishares Tr | IEI | Shares | $632K | 5K |
| Vanguard Intl Equity Index F | VPL | Shares | $628K | 6K |
| Spdr Index Shs Fds | EFAX | Shares | $611K | 12K |
| Ishares Tr | AGG | Shares | $609K | 6K |
| First Tr Exchange Traded Fd | RDVY | Shares | $605K | 9K |
| Pepsico Inc | PEP | Shares | $600K | 4K |
| Ishares Tr | IJR | Shares | $591K | 5K |
| Sunbelt Rentals Holdings Inc | SUNB | Shares | $556K | 9K |
| Dimensional Etf Trust | DCOR | Shares | $511K | 7K |
| Abbott Laboratories | ABT | Shares | $494K | 5K |
| First Tr Exchange Trad Fd Vi | FTGC | Shares | $490K | 17K |
| Ishares Tr | IWM | Shares | $438K | 2K |
| Invesco Exchange Traded Fd T | RSP | Shares | $427K | 2K |
| Vanguard Index Fds | VXF | Shares | $416K | 2K |
| Vanguard Scottsdale Fds | VCIT | Shares | $392K | 5K |
| Coca Cola Co | KO | Shares | $378K | 5K |
| Mcdonalds Corp | MCD | Shares | $375K | 1K |
| Vanguard Scottsdale Fds | VTWO | Shares | $371K | 4K |
| Schwab Strategic Tr | SCHC | Shares | $369K | 8K |
| Vanguard Index Fds | VOE | Shares | $363K | 2K |
| Dimensional Etf Trust | DUSB | Shares | $337K | 7K |
| Alphabet Inc | GOOGL | Shares | $319K | 1K |
| Nvidia Corporation | NVDA | Shares | $318K | 2K |
| Moodys Corp | MCO | Shares | $301K | 690 |
| Ishares Tr | IWD | Shares | $291K | 1K |
| Vanguard Intl Equity Index F | VT | Shares | $274K | 2K |
| Johnson & Johnson | JNJ | Shares | $261K | 1K |
| Vanguard Index Fds | VB | Shares | $258K | 987 |
| Walmart Inc | WMT | Shares | $244K | 2K |
| Vanguard Intl Equity Index F | VEU | Shares | $234K | 3K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.