Gold’s run from the summer of 2025 into early 2026 pulled fresh attention to physically backed bullion funds, and the three obvious vehicles sit at noticeably different cost levels. SPDR Gold MiniShares Trust (NYSEARCA:GLDM), iShares Gold Trust (NYSEARCA:IAU), and abrdn Physical Gold Shares ETF (NYSEARCA:SGOL) all deliver the same underlying exposure: allocated bars priced off the LBMA spot benchmark. What separates them is the fee structure, the vault jurisdiction, and how easy it is to move size in a single trade.
The setup matters because the macro backdrop has not loosened. Headline CPI is 334.0 in May 2026, placing the index in the 90.9th percentile of its trailing 12-month range. M2 money supply has expanded to $23.05 trillion, up from $21.94 trillion a year earlier. Bullion has responded: GLDM is up 22% over the trailing year, even after a 8% pullback over the past month.
Why a fee tier is the first decision
On a $50,000 position held for three decades, the gap between a 10-basis-point fund and a 25-basis-point fund compounds into thousands of dollars of foregone growth, before any tax drag. All three of these funds are physically backed, taxed as collectibles at the maximum long-term capital gains rate of 28%, and move with spot prices. The investor’s job is to match the fee and structural profile to how the position will actually be used.
GLDM: the cost-optimized core holding
With an annual expense ratio of 0.10%, GLDM is the most affordable physically backed gold ETF available on a US exchange. State Street and the World Gold Council designed this fund for long-term investors frustrated by paying the 0.40% fee on GLD for the exact same London-vaulted bullion. You get the same security, as the bars are stored in an HSBC London vault under strict LBMA standards, mirroring the setup of its larger, more expensive sibling.
Assets sit at roughly $28.46 billion, which is now deep enough that bid-ask spreads are tight for the kind of investor GLDM is built for: someone who parks capital and leaves it. The fund’s lower per-share price, around $79, also makes it convenient for dollar-cost averaging or smaller IRA allocations where round-share math matters.
The tradeoff is liquidity at scale. GLDM trades fine for retail-size orders, but institutions running blocks of millions of shares still default to GLD or IAU. For an individual investor holding a $50,000 crisis allocation, that distinction is academic.
IAU: liquidity and brand at a higher fee
BlackRock’s IAU holds a massive $63.83 billion in assets as of late June 2026, paired with an expense ratio of 0.25%. The fund maintains a clean profile by holding 100% gold bullion, with no other distracting line items. Its real strength is market depth, with average daily volume exceeding 4.2 million shares and narrow intraday spreads that remain stable even during market turbulence.
That liquidity profile is the entire pitch. An active trader rotating in and out of gold around macro prints, or an advisor moving a sizable client position in a single ticket, pays the extra 15 basis points for tighter execution and a longer track record. IAU has been listed since 2005 and has weathered every gold cycle since.
For a buy-and-hold investor with a 20-plus year horizon, that fee differential is hard to justify. Performance reflects fees rather than any structural advantage: IAU returned 22% over the trailing year versus GLDM’s 22%. The gap is small but persistent, and it widens with time.
SGOL: the vault diversification play
The contrarian option here is SGOL, and the real difference lies in where the metal stays, not in what you pay. Its expense ratio sits at 0.17%, splitting the difference between GLDM and IAU. What makes it unique is the physical storage: bars are vaulted primarily in Switzerland with a secondary location in London, moving away from the London-only setup you find with the other major funds.
For anyone holding gold specifically to guard against jurisdictional or counterparty risks, that distinction is the entire reason to own the metal. Keeping your entire supply in one city defeats the purpose of diversifying your safety net. You can pair 60% GLDM with 40% SGOL to split your physical holdings between London and Zurich while keeping your blended fee significantly lower than GLD.
This fund is smaller, with roughly $7.38 billion in assets and a daily trading volume of nearly 2.2 million shares. That volume works perfectly for individual investors and most advisors, though institutional traders will spot wider spreads than IAU during market stress. Its 22% trailing 12-month return remains essentially identical to the rest of the group.
How to choose between the three
- The cost-first long-term holder. GLDM is the default. The 0.10% expense ratio is the lowest on the shelf for physically backed gold, and the HSBC London custody arrangement mirrors GLD. For a $50,000 position held for decades, this is the lowest-friction choice.
- The active trader or block mover. IAU’s depth justifies the higher fee. Anyone trading around Fed meetings, CPI releases, or geopolitical events benefits from the tighter spreads and larger float.
- The investor who wants the gold actually held outside London. SGOL is the only mainstream US-listed option that vaults primarily in Switzerland. Pairing it with GLDM creates a two-jurisdiction custody profile at a blended cost still below most legacy gold funds.
All three vehicles deliver the same exposure to spot gold. The question is whether the priority is the lowest possible holding cost, the deepest possible liquidity, or the bars’ physical location. The answer determines which ticker fits.
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