There is a long list of 130 institutional holders of ULCC within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of ULCC by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-ULCC table below, the initial column indicates the name of each top institutional holder of ULCC, with a link to that fund's top holdings. The next columns indicate the amount of ULCC stock held by each of the institutional holders of ULCC, followed by the ULCC position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Indigo Partners LLC	178,834,034	$976,434	12/31/2023
ULCC	178,834,034	$976,434	12/31/2023
Ancient Art L.P.	8,661,321	$47,291	12/31/2023
ULCC	8,661,321	$47,291	12/31/2023
U S Global Investors Inc.	4,866,466	$39,467	03/31/2024
ULCC	4,866,466	$39,467	03/31/2024
Vanguard Group Inc.	4,055,487	$22,143	12/31/2023
ULCC	4,055,487	$22,143	12/31/2023
BlackRock Inc.	3,089,918	$16,871	12/31/2023
ULCC	3,089,918	$16,871	12/31/2023
Millennium Management LLC	2,304,780	$12,584	12/31/2023
ULCC	2,304,780	$12,584	12/31/2023
Par Capital Management Inc.	1,756,100	$9,588	12/31/2023
ULCC	1,756,100	$9,588	12/31/2023
Towle & Co.	1,419,958	$7,753	12/31/2023
ULCC	1,419,958	$7,753	12/31/2023
Russell Investments Group Ltd.	994,874	$5,432	12/31/2023
ULCC	994,874	$5,432	12/31/2023
Geode Capital Management LLC	950,088	$5,188	12/31/2023
ULCC	950,088	$5,188	12/31/2023
State Street Corp	939,723	$5,131	12/31/2023
ULCC	939,723	$5,131	12/31/2023
Morgan Stanley	926,546	$5,059	12/31/2023
ULCC	926,546	$5,059	12/31/2023
Schonfeld Strategic Advisors LLC	880,831	$4,809	12/31/2023
ULCC	880,831	$4,809	12/31/2023
Bank of America Corp DE	618,935	$3,379	12/31/2023
ULCC	618,935	$3,379	12/31/2023
Peregrine Capital Management LLC	608,425	$3,322	12/31/2023
ULCC	608,425	$3,322	12/31/2023
Goldman Sachs Group Inc.	607,919	$3,319	12/31/2023
ULCC	607,919	$3,319	12/31/2023
Covalis Capital LLP	559,384	$3,054	12/31/2023
ULCC	559,384	$3,054	12/31/2023
Lombard Odier Asset Management USA Corp		$2,789	12/31/2023
Call	500,000	$2,730	12/31/2023
ULCC	10,800	$59	12/31/2023
Jade Capital Advisors LLC	500,000	$2,730	12/31/2023
ULCC	500,000	$2,730	12/31/2023
Boston Partners	380,799	$2,079	12/31/2023
ULCC	380,799	$2,079	12/31/2023
Northern Trust Corp	369,538	$2,018	12/31/2023
ULCC	369,538	$2,018	12/31/2023
Squarepoint Ops LLC	363,511	$1,985	12/31/2023
ULCC	363,511	$1,985	12/31/2023
Marshall Wace LLP	347,638	$1,898	12/31/2023
ULCC	347,638	$1,898	12/31/2023
PDT Partners LLC	332,645	$1,816	12/31/2023
ULCC	332,645	$1,816	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	332,123	$1,813	12/31/2023
ULCC	332,123	$1,813	12/31/2023
Charles Schwab Investment Management Inc.	294,915	$1,610	12/31/2023
ULCC	294,915	$1,610	12/31/2023
Dimensional Fund Advisors LP	288,120	$1,574	12/31/2023
ULCC	288,120	$1,574	12/31/2023
Jane Street Group LLC		$1,564	12/31/2023
ULCC	264,914	$1,446	12/31/2023
Call	21,700	$118	12/31/2023
Susquehanna Portfolio Strategies LLC	261,659	$1,429	12/31/2023
ULCC	261,659	$1,429	12/31/2023
SkyView Investment Advisors LLC	237,021	$1,294	12/31/2023
ULCC	237,021	$1,294	12/31/2023
State of Wisconsin Investment Board	234,935	$1,283	12/31/2023
ULCC	234,935	$1,283	12/31/2023
Verition Fund Management LLC		$1,218	12/31/2023
ULCC	183,172	$1,000	12/31/2023
Call	40,000	$218	12/31/2023
Susquehanna International Group LLP		$1,213	12/31/2023
Call	218,600	$1,194	12/31/2023
ULCC	48,676	$266	12/31/2023
Put	45,200	$247	12/31/2023
Mountain Capital Investment Advisors Inc	147,789	$1,199	03/31/2024
ULCC	147,789	$1,199	03/31/2024
Sei Investments Co.	219,670	$1,199	12/31/2023
ULCC	219,670	$1,199	12/31/2023
FMR LLC	179,843	$982	12/31/2023
ULCC	179,843	$982	12/31/2023
Resources Investment Advisors LLC.	160,178	$875	12/31/2023
ULCC	160,178	$875	12/31/2023
Rhumbline Advisers	156,697	$856	12/31/2023
ULCC	156,697	$856	12/31/2023
Bank of New York Mellon Corp	104,986	$851	03/31/2024
ULCC	104,986	$851	03/31/2024
Group One Trading L.P.		$770	12/31/2023
ULCC	143,209	$782	12/31/2023
Put	2,400	$13	12/31/2023
Call	200	$1	12/31/2023
Balyasny Asset Management LLC	140,976	$770	12/31/2023
ULCC	140,976	$770	12/31/2023
Creative Planning	130,595	$713	12/31/2023
ULCC	130,595	$713	12/31/2023
Nuveen Asset Management LLC	121,326	$662	12/31/2023
ULCC	121,326	$662	12/31/2023
Global Endowment Management LP	115,017	$628	12/31/2023
ULCC	115,017	$628	12/31/2023
Wealthsource Partners LLC	113,711	$621	12/31/2023
ULCC	113,711	$621	12/31/2023
Primecap Management Co. CA	113,200	$618	12/31/2023
ULCC	113,200	$618	12/31/2023
Mutual Advisors LLC	107,960	$589	12/31/2023
ULCC	107,960	$589	12/31/2023
Mariner LLC	86,846	$474	12/31/2023
ULCC	86,846	$474	12/31/2023
Swiss National Bank	86,900	$474	12/31/2023
ULCC	86,900	$474	12/31/2023
Alliancebernstein L.P.	74,590	$407	12/31/2023
ULCC	74,590	$407	12/31/2023