Gov. JB Pritzker’s (D-IL) decision to pour millions into Lt. Gov. Juliana Stratton’s (D-IL) Senate bid has become an early test of his political strength ahead of a potential 2028 presidential run, particularly after he waded into a high-profile clash with one of the Democratic Party’s most influential blocs.
Pritzker’s $5 million investment in Stratton put him at odds with the Congressional Black Caucus, which backed Rep. Robin Kelly (D-IL) in the Illinois Democratic primary to replace Sen. Dick Durbin (D-IL), who is retiring.
The outcome of the race, and whether Pritzker’s preferred candidate secures the candidacy, is now viewed as a measure of how much sway his money carries beyond his own electoral success.
The CBC has long been viewed as a kingmaker in the Democratic Party, especially in primaries involving black candidates, making the split a notable risk for a governor weighing a national campaign.
In response to Pritzker’s hefty donation, Rep. Yvette Clark (D-NY), who is chairman of the CBC, said the governor’s actions could have an enduring effect on his political profile.
“Governor Pritzker’s effort to tip the scales in the Illinois’ U.S. Senate race is beyond frustrating for the Congressional Black Caucus,” Clark said in a statement provided to the Washington Examiner. “A sitting governor shouldn’t be heavy-handing the race. Quite frankly, his behavior in this race won’t soon be forgotten by any of us.”
Illinois state Sen. Steve McClure (R-IL) said Pritzker’s financial influence has reshaped politics in the state.
“There seems to be a tremendous amount of money flowing from Gov. Pritzker to every Democratic position across the state,” McClure said. “His dominance politically right now is all based around the fact he has more money than any governor has ever had in the history of our state.”
That dominance, he added, creates an “amount of not just power, but influence that’s probably unparalleled anywhere else in the country right now.”
But whether that influence translates into decisive political wins, particularly in primaries, remains an open question.
Brian Gaines, a political science professor at the University of Illinois, described Pritzker’s involvement in the Senate race as a revealing test case, noting that his financial backing came relatively late in a race where early voting plays a significant role.
“If he was serious about wanting Stratton to win… he probably should have been sooner,” Gaines said.
Gaines added that Pritzker’s approach leaves him politically insulated regardless of the outcome.
“If she wins, he’ll take the credit. If she loses, he’ll try to duck the blame,” he said.
Still, the decision to back Stratton against a CBC-supported candidate underscores the potential risks of relying heavily on personal wealth in intraparty contests. The CBC’s endorsement of Kelly reflects broader support within parts of the Democratic coalition, raising the stakes of Pritzker’s intervention.
A billionaire playbook and its limits
Pritzker, a billionaire heir to the Hyatt hotel fortune, has long relied on self-funding to fuel his political rise, including tens of millions of dollars in his gubernatorial campaigns and continued spending on Democrat candidates nationwide.
That approach has helped him quickly build influence, but has also raised questions about whether he has developed the kind of national donor network typically required in a crowded presidential primary field.
Gaines suggested that while self-funding is no longer unusual in modern politics, it may not be decisive in a national contest.
“The fact that Pritzker has got money already and he doesn’t have to raise it … I don’t think it will have the same implication,” Gaines said.
At the same time, Pritzker lacks the national profile of several potential 2028 rivals, including governors and senators who have spent years building donor coalitions and national constituencies.
His recent efforts to raise his profile, often through high-profile clashes with Republicans, have yet to fully translate into broad name recognition.
A crowded, costly primary
The Illinois Senate race itself has revealed the limits of even significant financial backing. The contest has largely centered on three candidates: Stratton, the sitting lieutenant governor, Kelly, and Rep. Raja Krishnamoorthi (D-IL), who amassed the largest war chest in the race.
Krishnamoorthi, widely seen as a well-funded, policy-focused contender, has outspent rivals and positioned himself as a pragmatic Democrat, while Kelly has leaned on her support among key Democratic constituencies. Stratton, meanwhile, has run as a continuation of Pritzker’s governing coalition.
Gaines noted that the race’s dynamics shifted over time, narrowing the field. “It became clear … that it’s probably a two-person race,” he said.
Ideologically, the candidates occupy overlapping lanes within the Democratic Party, with no clear far-left or centrist divide — a factor that has made money and endorsements even more critical in shaping the outcome.
Early test for 2028
Beyond Illinois, it raises a larger question about Pritzker’s prospective presidential ambitions: whether a billionaire candidate, who can self-fund, can also build the coalition required to win a national primary.
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Even so, McClure cautioned that heavy involvement in primaries can create lasting divisions.
“Anytime you get involved in a contested primary, there is backlash from the supporters of other candidates,” he said.