TSTXX Mutual Fund — BlackRock Liquidity Funds T-Fund Institutional Shares

BlackRock Liquidity Funds T-Fund Institutional Shares (TSTXX)

Updated October 16, 2026.

TSTXX is a low-cost Mutual Fund. its distribution rate is 3.70%, its trailing-12-month yield is 3.63%, its expense ratio is 0.1668%. Total return is 19.7% over the past 5.7 years, 94.7 points behind SPY at 114.4%.

BlackRock Liquidity Funds T-Fund Institutional Shares is a money market mutual fund that invests in short-term, high-quality fixed-income securities to provide liquidity and stability. The fund currently carries a high distribution rate and distributes income monthly. With no publicly stated expense ratio, it caters to institutional investors and those seeking regular income with minimal principal volatility.

TSTXX performance versus SPY

Price and return data through 2026-10-16.

Total return is 19.7% over the past 5.7 years, 94.7 points behind SPY at 114.4%. Over the past year its total return — price change plus distributions reinvested — is 3.4%.

TSTXX key facts

Issuer

BlackRock

Asset type

Mutual Fund

Asset class

Fixed Income

Expense ratio

0.1668%

Distribution rate

3.70%

Distribution frequency

Monthly

Trailing yield

3.63%

Last close

$1.00 (as of 2026-10-16)

NAV

$1.00 as of 2026-09-30; source eodhd (stale)

Premium / discount

N/A (price 2026-10-16, NAV 2026-09-30) (NAV stale)

AUM

$94,417,690,624

Average volume

0.0

Dividend

$0.00302

Ex-dividend date

09/30/2026

Payment date

09/30/2026

Beta

0.0051

How Dividend Vision calculates yield and returns

Distribution rate (3.70%) uses calculation basis unavailable. Issuer rates can use a different denominator and date, including ex-date NAV. Trailing-12-month yield (3.63%) is the sum of split-adjusted cash distributions with ex-dates in the last 12 months, divided by the published price. It lags a recent raise or cut. Total return uses split-adjusted close with distributions reinvested on the ex-dividend date (a modeling convention, not the cash-settlement date) from the first stored bar on or after inception through the latest bar, compared with the same window on the benchmark. That is the security's total return, not your personal gain/loss.

Yield and safety methodology · Distribution rate methodology · Distribution Safety Score methodology

Sources and review

Primary sources: BlackRock; prices and distributions from Dividend Vision, derived from vendor EOD data.

Reviewed by Bert Sweet, CEO and Co-owner of Dividend Vision. Methodology: Distribution Safety Score.

TSTXX risks and drawbacks

TSTXX's current distribution rate is moderate, not a high-yield payout — the strategy is dividend quality more than maximum income. Total return has trailed SPY over the available window.

Who may consider TSTXX — and who may not

TSTXX may suit someone looking for low-cost broad dividend exposure, moderate current income with a quality tilt. It is a weaker fit for investors hunting double-digit covered-call yields; investors whose main goal is matching SPY total return. This is educational context, not a recommendation to buy or sell.

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Tagged: Mutual Fund.

Frequently asked questions

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