They're not the biggest political contributions in the state's history, but they're up there.
Microsoft co-founder Paul Allen says he has written a million-dollar check for a gun-control initiative.
And Seattle venture capitalist Nick Hanauer says he's doing the same.
My statement on a gun safety initiative in my home state of Washington:
Initiative 1639 is a reasonable and necessary measure that will improve the safety of our schools and our communities, which is why I have contributed a million dollars to the campaign. 1/2
— Paul Allen (@PaulGAllen) May 21, 2018
The proposed ballot measure would raise the minimum age, as well as require safety training and background checks, to buy a military-style rifle in Washington state.
Other billionaires and businesses have spent more heavily to influence Washington voters.
The biggest single pulse of money into a Washington state election came seven years ago, when Costco wrote a check for nearly $9 million in its successful push to privatize liquor sales.