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Vanguard’s blue-chip US inventory exchange-traded fund has develop into the world’s largest, seizing the crown from State Road’s S&P 500 tracker, in an indication of how a race to slash charges is reshaping the business.
Vanguard’s fund, identified by its ticker VOO, held belongings of $631.8bn in early US buying and selling on Tuesday, pushing it forward of the $630.3bn of State Road’s SPY, which was the first-ever US ETF when it launched in 1993, 17 years earlier than VOO.
The Vanguard car’s ascent is a mirrored image of its low charges and the fast progress of ETFs amongst retail traders, who’re much less probably to purchase State Road’s extra institutionally tailor-made car.
“VOO turned on the flows afterburners final yr and caught as much as SPY a lot faster than anticipated,” mentioned Bryan Armour, director of passive methods analysis for North America at Morningstar.
In an indication of VOO’s swift climb, the fund was $182bn behind SPY at first of 2022 and nonetheless $50bn behind as not too long ago as November, when it overtook BlackRock’s iShares Core S&P 500 ETF (IVV) to take the second spot.
Greater than $23bn has flowed into VOO this yr, in contrast with web outflows of $16bn from SPY, in accordance with TMX VettaFi information.
All three main S&P 500 ETFs have benefited from runaway world demand for autos monitoring US equities, which accounted for 60.5 per cent of world inventory market capitalisation on the finish of 2023, the best degree since 1973, in accordance with UBS.
Wall Road shares have additionally posted big features in recent times, notching up returns of greater than 20 per cent each in 2023 and 2024.
Vanguard has surged because of its low charges, charging simply 0.03 per cent yearly. It has additionally benefited from the ever-widening use of ETFs for constructing portfolios. The ETF business as an entire not too long ago handed $10tn.
SPY, which fees 0.0945 per cent, is favoured by extra energetic merchants, since it’s cheaper to commerce and gives larger leverage by derivatives.
“VOO is simply such an inexpensive, useful gizmo,” mentioned Syl Flood, senior product supervisor at Morningstar. “It’s most utilized by long-term traders whereas SPY is extra of a buying and selling software. The cash in Vanguard’s funds is stickier than virtually anyone else’s cash.”
He added that Vanguard’s and BlackRock’s funds had benefited from traders switching cash from actively managed funds to passive ETFs.

“VOO’s minuscule expense ratio, mixed with the Vanguard investor buy-and-hold mentality, is a troublesome mixture to beat — notably with the S&P 500 outperforming almost each different asset class over the previous 15 years,” mentioned Nate Geraci, president of monetary adviser The ETF Retailer.
State Road waged a counteroffensive in 2023 by slashing the charge by itself buy-and-hold SPDR Portfolio S&P 500 ETF (SPLG) to only 0.02 per cent, however up to now it has amassed solely $58bn.
Regardless of SPLG undercutting Vanguard, Armour argued that “inertia helps maintain VOO on the prime of the [flows] listing, and a one foundation level charge distinction does little to quell switching prices. Vanguard additionally advantages from its super distribution community and constant investor base.”
Vanguard can also be the one asset supervisor, so far, permitted by the US Securities and Trade Fee to function the “ETF-as-a-share class” mannequin that it patented, although that patent has now expired.
Beneath this construction, an ETF and a mutual fund can function as separate lessons of an general fund and Vanguard “permits mutual fund share class homeowners to transform into VOO”, a commerce incentivised by the mutual fund arm being barely costlier, at 0.04 per cent.
VOO’s success is an indication of Vanguard’s broader ascendancy within the ETF business. On the finish of December, its $3.2tn of ETF belongings have been a file 76 per cent of market chief BlackRock’s $4.3tn, in accordance with Morningstar, a determine that has climbed steadily from 52 per cent at first of 2018.