Looking at the universe of stocks we cover at Dividend Channel, on 8/29/25, Trustmark Corp (Symbol: TRMK), SmartStop Self Storage REIT Inc (Symbol: SMA), and StepStone Group Inc (Symbol: STEP) will all trade ex-dividend for their respective upcoming dividends. Trustmark Corp will pay its quarterly dividend of $0.24 on 9/15/25, SmartStop Self Storage REIT Inc will pay its monthly dividend of $0.1359 on 9/3/25, and StepStone Group Inc will pay its quarterly dividend of $0.28 on 9/15/25. As a percentage of TRMK's recent stock price of $40.60, this dividend works out to approximately 0.59%, so look for shares of Trustmark Corp to trade 0.59% lower — all else being equal — when TRMK shares open for trading on 8/29/25. Similarly, investors should look for SMA to open 0.38% lower in price and for STEP to open 0.45% lower, all else being equal.
Below are dividend history charts for TRMK, SMA, and STEP, showing historical dividends prior to the most recent ones declared.
Trustmark Corp (Symbol: TRMK):
SmartStop Self Storage REIT Inc (Symbol: SMA):

StepStone Group Inc (Symbol: STEP):

In general, dividends are not always predictable, following the ups and downs of company profits over time. Therefore, a good first due diligence step in forming an expectation of annual yield going forward, is looking at the history above, for a sense of stability over time. This can help in judging whether the most recent dividends from these companies are likely to continue. If they do continue, the current estimated yields on annualized basis would be 2.36% for Trustmark Corp, 4.51% for SmartStop Self Storage REIT Inc, and 1.79% for StepStone Group Inc.
In Wednesday trading, Trustmark Corp shares are currently up about 1.1%, SmartStop Self Storage REIT Inc shares are off about 0.6%, and StepStone Group Inc shares are up about 1.9% on the day.
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Also see:
Institutional Holders of QQXT
Funds Holding SUBK
WDC Options Chain
The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.