There is a long list of 175 institutional holders of HA 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 HA by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-HA table below, the initial column indicates the name of each top institutional holder of HA, with a link to that fund's top holdings. The next columns indicate the amount of HA stock held by each of the institutional holders of HA, followed by the HA 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
BlackRock Inc.	4,961,117	$70,448	12/31/2023
HA	4,961,117	$70,448	12/31/2023
Vanguard Group Inc.	2,720,323	$38,629	12/31/2023
HA	2,720,323	$38,629	12/31/2023
Magnetar Financial LLC	2,392,800	$33,978	12/31/2023
HA	2,392,800	$33,978	12/31/2023
Morgan Stanley	2,110,108	$29,964	12/31/2023
HA	2,110,108	$29,964	12/31/2023
Millennium Management LLC		$21,597	12/31/2023
HA	1,498,261	$21,275	12/31/2023
Call	22,700	$322	12/31/2023
Par Capital Management Inc.	1,520,000	$21,584	12/31/2023
HA	1,520,000	$21,584	12/31/2023
CNH Partners LLC	1,445,838	$20,531	12/31/2023
HA	1,445,838	$20,531	12/31/2023
Cyrus Capital Partners L.P.	1,377,727	$19,564	12/31/2023
HA	1,377,727	$19,564	12/31/2023
Alliancebernstein L.P.	1,158,994	$16,458	12/31/2023
HA	1,158,994	$16,458	12/31/2023
Geode Capital Management LLC	1,133,541	$16,098	12/31/2023
HA	1,133,541	$16,098	12/31/2023
State Street Corp	1,080,095	$15,337	12/31/2023
HA	1,080,095	$15,337	12/31/2023
Alpine Associates Management Inc.	1,053,800	$14,964	12/31/2023
HA	1,053,800	$14,964	12/31/2023
Jane Street Group LLC		$14,089	12/31/2023
HA	837,052	$11,886	12/31/2023
Call	224,700	$3,191	12/31/2023
Put	69,600	$988	12/31/2023
Dimensional Fund Advisors LP	989,632	$14,054	12/31/2023
HA	989,632	$14,054	12/31/2023
Third Avenue Management LLC	815,579	$11,581	12/31/2023
HA	815,579	$11,581	12/31/2023
Woodline Partners LP		$9,216	12/31/2023
HA	849,046	$12,056	12/31/2023
Put	200,000	$2,840	12/31/2023
Nuveen Asset Management LLC	632,594	$8,983	12/31/2023
HA	632,594	$8,983	12/31/2023
Water Island Capital LLC	560,086	$7,953	12/31/2023
HA	560,086	$7,953	12/31/2023
Northern Trust Corp	463,476	$6,581	12/31/2023
HA	463,476	$6,581	12/31/2023
WS Management Lllp	450,000	$6,390	12/31/2023
HA	450,000	$6,390	12/31/2023
Donald Smith & CO. Inc.	374,630	$5,320	12/31/2023
HA	374,630	$5,320	12/31/2023
Charles Schwab Investment Management Inc.	373,491	$5,304	12/31/2023
HA	373,491	$5,304	12/31/2023
Cubist Systematic Strategies LLC		$4,979	12/31/2023
HA	373,329	$5,301	12/31/2023
Put	100,700	$1,430	12/31/2023
Call	78,000	$1,108	12/31/2023
Canada Pension Plan Investment Board	345,600	$4,908	12/31/2023
HA	345,600	$4,908	12/31/2023
Voloridge Investment Management LLC	343,018	$4,871	12/31/2023
HA	343,018	$4,871	12/31/2023
HRT Financial LP	333,379	$4,733	12/31/2023
HA	333,379	$4,733	12/31/2023
Man Group plc	290,709	$4,128	12/31/2023
HA	290,709	$4,128	12/31/2023
Rhumbline Advisers	249,159	$3,538	12/31/2023
HA	249,159	$3,538	12/31/2023
Citadel Advisors LLC		$3,510	12/31/2023
Call	184,000	$2,613	12/31/2023
HA	163,836	$2,326	12/31/2023
Put	100,600	$1,429	12/31/2023
FMR LLC	240,708	$3,418	12/31/2023
HA	240,708	$3,418	12/31/2023
Barclays PLC	235,726	$3,347	12/31/2023
HA	235,726	$3,347	12/31/2023
Bank of New York Mellon Corp	213,822	$3,036	12/31/2023
HA	213,822	$3,036	12/31/2023
Goldman Sachs Group Inc.	204,582	$2,905	12/31/2023
HA	204,582	$2,905	12/31/2023
Needham Investment Management LLC	200,000	$2,840	12/31/2023
HA	200,000	$2,840	12/31/2023
Hsbc Holdings PLC	195,979	$2,806	12/31/2023
HA	195,979	$2,806	12/31/2023
Soros Fund Management LLC	158,035	$2,244	12/31/2023
HA	158,035	$2,244	12/31/2023
Balyasny Asset Management LLC	150,838	$2,142	12/31/2023
HA	150,838	$2,142	12/31/2023
Schonfeld Strategic Advisors LLC		$2,091	12/31/2023
HA	222,237	$3,156	12/31/2023
Put	75,000	$1,065	12/31/2023
Readystate Asset Management LP	135,237	$1,920	12/31/2023
HA	135,237	$1,920	12/31/2023
UBS Group AG		$1,899	12/31/2023
HA	171,183	$2,431	12/31/2023
Put	37,500	$532	12/31/2023
Bank of America Corp DE	132,367	$1,880	12/31/2023
HA	132,367	$1,880	12/31/2023
Group One Trading L.P.		$1,811	12/31/2023
HA	248,627	$3,531	12/31/2023
Put	241,800	$3,434	12/31/2023
Call	120,700	$1,714	12/31/2023
Quinn Opportunity Partners LLC		$1,777	12/31/2023
HA	81,071	$1,151	12/31/2023
Call	44,100	$626	12/31/2023
Tudor Investment Corp Et Al	100,927	$1,433	12/31/2023
HA	100,927	$1,433	12/31/2023
Centiva Capital LP		$1,397	12/31/2023
HA	60,064	$853	12/31/2023
Call	50,000	$710	12/31/2023
Put	11,700	$166	12/31/2023
Walleye Capital LLC		$1,387	12/31/2023
Call	136,000	$1,931	12/31/2023
Put	38,300	$544	12/31/2023
Susquehanna Portfolio Strategies LLC	96,846	$1,375	12/31/2023
HA	96,846	$1,375	12/31/2023
Invesco Ltd.	84,046	$1,193	12/31/2023
HA	84,046	$1,193	12/31/2023
Qube Research & Technologies Ltd	78,154	$1,110	12/31/2023
HA	78,154	$1,110	12/31/2023
Landscape Capital Management L.L.C.	76,464	$1,086	12/31/2023
HA	76,464	$1,086	12/31/2023