DOUG MILLS/Doug Mills/The New York TimesFormer President Donald Trump, a Republican presidential candidate, speaks at his caucus watch party in Des Moines, Iowa, on Jan. 15, 2024.
Andrew Harnik/APSupporters arrive before Republican presidential candidate former President Donald Trump speaks at a caucus night party in Des Moines, Iowa, Jan. 15, 2024.
Andrew Harnik/APSupporters arrive before Republican presidential candidate former President Donald Trump speaks at a caucus night party in Des Moines, Iowa, Jan. 15, 2024.
Pablo Martinez Monsivais/APSupporters cheer before Republican presidential candidate former President Donald Trump speaks at a caucus night party in Des Moines, Iowa, Jan. 15, 2024.
Pablo Martinez Monsivais/APRep. Matt Gaetz arrives before Republican presidential candidate former President Donald Trump speaks at a caucus night party in Des Moines, Iowa, Jan. 15, 2024.
Andrew Harnik/APSusie Wiles watches as Republican presidential candidate former President Donald Trump speaks at a caucus night party in Des Moines, Iowa, Jan. 15, 2024.
Andrew Harnik/APSupporters arrive before Republican presidential candidate former President Donald Trump speaks at a caucus night party in Des Moines, Iowa, Jan. 15, 2024.
Michelle Gutierrez/APRepublican presidential candidate former President Donald Trump speaks to caucusgoers, Jan. 15, 2024, at Horizon Events Center in Clive, Iowa.
Andrew Harnik/APSupporters arrive before Republican presidential candidate former President Donald Trump speaks at a caucus night party in Des Moines, Iowa, Jan. 15, 2024.
DOUG MILLS/Doug Mills/The New York TimesFormer President Donald Trump, a Republican presidential candidate, speaks to caucusgoers at the Horizon Event Center in Clive, Iowa, on Jan. 15, 2024.
Andrew Harnik/APRepublican presidential candidate former President Donald Trump speaks at a caucus site at Horizon Events Center, in Clive, Iowa, Jan. 15, 2024.
Charlie Neibergall/APRepublican presidential candidate Florida Gov. Ron DeSantis speaks to supporters during a caucus night party, Jan. 15, 2024, in West Des Moines, Iowa.
Charlie Neibergall/APA supporter waits for Republican presidential candidate Florida Gov. Ron DeSantis to arrive during a caucus night party, Jan. 15, 2024, in West Des Moines, Iowa.
Charlie Neibergall/APSupports wait for Republican presidential candidate Florida Gov. Ron DeSantis to walk out to speak during a caucus night party, Jan. 15, 2024, in West Des Moines, Iowa.
Meg Kinnard/APNikki Haley gives a speech to caucusgoers at a caucus site on Jan. 15, 2024, in Des Moines, Iowa.
Cody Scanlan/APFormer U.N. Ambassador Nikki Haley visits with caucus-goers during a morning visit Jan. 15, 2024, at Drake Diner in Des Moines, Iowa.
Geoff Stellfox/APIsaac Hammond of Grinnell braves the sub-zero weather for caucus night on Jan. 15, 2024, in Malcolm, Iowa.
Andrew Harnik/APKari Lake, center left, gestures as she talks at Hotel Fort Des Moines in Des Moines, Iowa, Jan. 15, 2024.
Geoff Stellfox/APCaucus goers sign in before a Republican caucus at Stutsman's Agricultural Products and Services in Hills, Iowa on Jan. 15, 2024.
Carolyn Kaster/APVoters recite the Pledge of Allegiance at a caucus site at Franklin Junior High in Des Moines, Iowa, Jan. 15, 2024.
Carolyn Kaster/APCaucus voters signs in at precinct 32 at Franklin Junior High in Des Moines, Iowa, Jan. 15, 2024.
Nikos Frazier/APCaucus voters sign in at East Side Christian Church, Jan. 15, 2024, in Council Bluffs, Iowa.
Abbie Parr/APVoters wait to caucus at the Marriott Hotel in West Des Moines, Iowa, Jan. 15, 2024.
Carolyn Kaster/APA caucus voter signs in at precinct 32 at Franklin Junior High in Des Moines, Iowa, Jan. 15, 2024.
Geoff Stellfox/APCommunity members arrive at a Republican caucus at Stutsman's Agricultural Products and Services in Hills, Iowa on Jan. 15, 2024.
Nikos Frazier/APCaucus voters line at East Side Christian Church, Jan. 15, 2024, in Council Bluffs, Iowa.
Nikos Frazier/APCaucus voters walk into East Side Christian Church, Jan. 15, 2024, in Council Bluffs, Iowa.
Gina Ferazzi/Gina Ferazzi/Los Angeles Times/TNSIcicles hang from a skywalk window as a snow plow clears streets downtown as severe freezing temperatures and snow have gripped Iowa during Iowa Caucus week on Jan. 14, 2024 in Des Moines, Iowa.
Carolyn Kaster/APDonald Trump Jr. participates in an interview as he visits a caucus site at Franklin Junior High in Des Moines, Iowa, Jan. 15, 2024.
HAIYUN JIANG/Haiyun Jiang/ The New York TimesThe stage is set for the watch party for former President Donald Trump, a Republican presidential candidate, on Caucus Day in Des Moines, Iowa, January 15, 2024.
HAIYUN JIANG/Haiyun Jiang/The New York TimesFormer President Donald Trump, a candidate for the Republican presidential nomination, appears at a campaign rally in Indianola, Iowa, on Jan. 14, 2024, one day before the Iowa Caucuses.
HAIYUN JIANG/Haiyun Jiang/The New York TimesA stack of campaign flyers is set oiut before the start of a campaign rally for former President Donald Trump, a candidate for the Republican nomination, in Indianola, Iowa, on Jan. 14, 2024.
Abbie Parr/APThe stage is in place for a caucus night watch party for Republican presidential candidate former UN Ambassador Nikki Haley in West Des Moines, Iowa, Jan. 15, 2024.
Meg Kinnard/APGOP presidential hopeful Nikki Haley speaks to supporters gathered for one of her final stops ahead of Iowa's Republican caucus on Monday, Jan. 15, 2024, in Newton, Iowa.
Nick Rohlman/APRepublican presidential candidate Florida Gov. Ron DeSantis, right, greets supporters following a campaign event at Jerseys Pub and Grub in Cedar Rapids, Iowa, Jan. 15, 2024.
Nikos Frazier/APRepublican presidential candidate Florida Gov. Ron DeSantis speaks at a campaign event, Jan. 15, 2024, at Thunderbowl in Council Bluffs, Iowa.
Savannah Blake/APRepublican presidential candidate Vivek Ramaswamy speaks during a "Commit to Caucus" rally at Lion Bridge Brewing in Cedar Rapids, Iowa, Jan. 15, 2024.
MAANSI SRIVASTAVA/Maansi Srivastava/ The New York TimesVivek Ramaswamy, a Republican presidential candidate, with his wife, Apoorva, during a campaign event on Caucus Day in Urbandale, Iowa, January 15, 2024.
Savannah Blake/APRepublican presidential candidate Vivek Ramaswamy speaks to a crowd about what he would accomplish if he were elected president during a "Commit to Caucus" rally at Lion Bridge Brewing in Cedar Rapids, Iowa, Jan. 15, 2024.
MAANSI SRIVASTAVA/Maansi Srivastava/The New York TimesVivek Ramaswamy, a Republican presidential candidate, speaks to caucusgoers at the Horizon Event Center in Clive, Iowa, on Jan. 15, 2024.
DOUG MILLS/Doug Mills/The New York Times
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Former President Donald Trump, a Republican presidential candidate, speaks at his caucus watch party in Des Moines, Iowa, on Jan. 15, 2024.
ExpandBy Bill Barrow | Associated Press
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Biotech entrepreneur Vivek Ramaswamy said Monday that he is suspending his 2024 Republican presidential campaign after a disappointing finish in Iowa’s leadoff caucuses.
Ramaswamy, 38, endorsed his rival, former President Donald Trump. He has previously called Trump the “best president of the 21st century” even as he tried to convince Republican voters that they should opt for “fresh legs” and “take our America First agenda to the next level.”
The wealthy political outsider also modeled his own bid on Trump’s run, campaigning as a fast-talking, headline-grabbing populist who relentlessly needled opponents.