ITOT vs SPGM

ITOTAiShares Core S&P Total U.S. Stock Market ETF

SPGMAState Street SPDR Portfolio MSCI Global Stock Market ETF

In short

ITOT The S&P family's answer to total-market indexing: large, mid and small U.S. stocks in one 0.03% wrapper, running since 2004. Same fee as the Vanguard and Schwab giants, a different index rulebook.

SPGM One ticker for the whole investable world. SPGM tracks MSCI's ACWI IMI index, holding roughly 2,900 stocks across developed and emerging markets, and charges 0.09% a year to do it.

Stated mandate

ITOT The fund seeks to track the performance of the S&P Composite 1500, representing U.S. stocks across market capitalizations.

SPGM The fund seeks to track, before fees and expenses, the total return performance of the MSCI ACWI IMI Index.

Why people hold it

• ITOT 0.03% a year, matching the category's biggest names (VTI, SCHB) and sitting below what the typical fund in this group charges.
• One index, no tilts: U.S. stocks across market caps in cap-weight order. The mandate it prints is the mandate it runs.
• Trading since 2004 and now a multi-billion-dollar fund with active daily volume, so spreads are rarely the story.
• Plain 1940 Act fund structure, cash paid out quarterly.

• SPGM 0.09% a year, against a 0.45% median for the index-wrapper funds it competes with. That gap compounds quietly in your favor.
• Roughly 2,900 stocks in one line item: US, developed foreign, emerging. No rebalancing between three regional funds, no home-country blind spot.ssga.com
• Pure replication, done tightly: the fund has stuck close to the MSCI ACWI IMI index it promises, one of the cleaner implementations among the index trackers we cover.ssga.com
• Live since 2012 and now a multi-billion-dollar fund, so it is not a launch-year experiment hunting for assets.

Worth knowing

• ITOT Cap weighting puts the megacaps in the driver's seat; the long tail of smaller names is a thin slice of the basket.
• SPTM tracks the same declared index at the same 0.03% fee, so the pick comes down to platform, spreads and existing tax lots.
• All-equity and all-U.S. by design: no bonds, no foreign stocks in the wrapper.

• SPGM Vanguard's VT covers similar all-world ground for 0.06%. Small gap, but real if fee is your only tiebreaker.
• Owning the world means owning its currencies and its emerging markets. Foreign swings show up in your return, unsmoothed.
• Moderately traded rather than a volume monster, so bid-ask spreads can run wider than the busiest global funds.

Full ITOT profile⁠

Full SPGM profile⁠