Sen. Ted Cruz Rafael (Ted) Edward CruzThe Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy Murkowski: Supreme Court nominee should not be taken up before election Battle lines drawn on precedent in Supreme Court fight MORE (R-Texas) is still opposed to the latest ObamaCare repeal legislation despite the changes that have been made to the bill, according to a Cruz aide.

Cruz's position further endangers the Republican ObamaCare repeal effort, which appears to be on the brink of failure.

The Texan is the third senator to publicly oppose the bill, sponsored by Sens. Lindsey Graham Lindsey Olin GrahamGraham: GOP will confirm Trump's Supreme Court nominee before the election Fox's Napolitano: Supreme Court confirmation hearings will be 'World War III of political battles' Grassley, Ernst pledge to 'evaluate' Trump's Supreme Court nominee MORE (R-S.C.) and Bill Cassidy William (Bill) Morgan CassidyCoushatta tribe begins long road to recovery after Hurricane Laura Senators offer disaster tax relief bill Bottom line MORE (R-La.). Senate Republicans can only lose two votes and still pass the bill; Sens. Rand Paul Randal (Rand) Howard PaulSecond GOP senator to quarantine after exposure to coronavirus GOP senator to quarantine after coronavirus exposure The Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill MORE (R-Ky.) and John McCain John Sidney McCainBiden's six best bets in 2016 Trump states Replacing Justice Ginsburg could depend on Arizona's next senator The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy MORE (R-Ariz.) are already opposed.

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Cruz on Sunday said he wants to get to "yes," but is not there yet.

"Right now they don't have my vote, and I don't think they have [Sen.] Mike Lee Michael (Mike) Shumway LeeMcConnell shores up GOP support for coronavirus package McConnell tries to unify GOP Davis: The Hall of Shame for GOP senators who remain silent on Donald Trump MORE's [R-Utah] either," Cruz said.

On Monday, senior Cruz aides said the senator's position hasn't changed.

Cruz wants to get to "yes," but is not there yet, they said.

The bill “needs to lower costs for consumers, and we are going to keep pushing for that.”

According to aides, Cruz is interested in making changes to how insurers comply with “Title One” of ObamaCare, similar to an amendment he introduced to the repeal bill over the summer.

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However, Cassidy on Monday said the the most recent version of the bill is the final one, aside from corrections to drafting errors.

The updated version of the repeal bill, released publicly Monday morning, includes more conservative regulatory policies designed to win over key holdouts.

Both Cruz and Sen. Mike Lee (R-Utah) have sounded optimistic about the Cassidy-Graham legislation, but have held back their full support.