US spot Solana ETFs pulled in a record $26.1 million on September 21, led by Bitwise's staking-enabled BSOL. The single-day haul pushed cumulative category inflows past $1.4 billion, with BSOL alone accounting for roughly 80% of that total.
US spot Solana ETFs just logged their strongest single-day performance yet, pulling in $26.1 million in net inflows on September 21. Bitwise's BSOL led the pack with $14.4 million, while Grayscale's GSOL added another $7.8 million. The rest of the field split what was left.
That $26.1 million figure pushed cumulative inflows for the entire Solana ETF category past $1.4 billion, with combined net assets now sitting at roughly $1.74 billion.
BSOL's staking edge keeps compounding
Bitwise launched BSOL on October 28, 2025, and the product has since accumulated over $1.1 billion in cumulative net inflows — approximately 80% of all money that has flowed into US spot Solana ETFs.
BSOL is structured as a staking product, targeting Solana network rewards on behalf of holders. Grayscale, Fidelity, and VanEck have all rolled out their own Solana ETF products, but BSOL's first-mover advantage combined with its staking mechanics has kept it in the lead. Grayscale's GSOL managed a respectable $7.8 million on the same day, still barely half of BSOL's haul.
A multi-week run of inflows
The September 21 figures extended a multi-week stretch of positive inflows into the category. Previous single-day highs had already reached $10.19 million and $33.5 million in prior weeks before the September 21 record.
As a result, BSOL's roughly 80% share of cumulative inflows reflects a concentration that tends to be self-reinforcing: larger asset bases mean tighter spreads, better liquidity, and more visibility on institutional platforms. Grayscale's GSOL has carved out a niche of its own, and its brand recognition from the legacy GBTC trust gives it distribution advantages that most rivals can't match. Fidelity and VanEck bring their own institutional relationships, but none have matched BSOL's staking feature, and BSOL also benefited from a temporary fee waiver designed to attract new investors at launch.
If September continues at this pace, the month could accelerate the category's path toward the $2 billion net asset milestone.
Source: Crypto Briefing
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