There is a long list of 675 institutional holders of JKHY 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 JKHY by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-JKHY table below, the initial column indicates the name of each top institutional holder of JKHY, with a link to that fund's top holdings. The next columns indicate the amount of JKHY stock held by each of the institutional holders of JKHY, followed by the JKHY 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
Vanguard Group Inc.	8,648,977	$1,413,329	12/31/2023
JKHY	8,648,977	$1,413,329	12/31/2023
BlackRock Inc.	6,201,802	$1,013,436	12/31/2023
JKHY	6,201,802	$1,013,436	12/31/2023
APG Asset Management N.V.	3,917,774	$640,203	12/31/2023
JKHY	3,917,774	$640,203	12/31/2023
Kayne Anderson Rudnick Investment Management LLC	3,742,457	$611,555	12/31/2023
JKHY	3,742,457	$611,555	12/31/2023
Morgan Stanley	3,277,086	$535,509	12/31/2023
JKHY	3,277,086	$535,509	12/31/2023
State Street Corp	3,158,111	$516,067	12/31/2023
JKHY	3,158,111	$516,067	12/31/2023
CIBC Private Wealth Group LLC	1,942,887	$317,487	12/31/2023
JKHY	1,942,887	$317,487	12/31/2023
Geode Capital Management LLC	1,861,062	$303,771	12/31/2023
JKHY	1,861,062	$303,771	12/31/2023
JPMorgan Chase & Co.	1,607,623	$262,702	12/31/2023
JKHY	1,607,623	$262,702	12/31/2023
Wells Fargo & Company MN	1,329,119	$217,191	12/31/2023
JKHY	1,329,119	$217,191	12/31/2023
Amundi	1,053,950	$176,195	12/31/2023
JKHY	1,053,950	$176,195	12/31/2023
Invesco Ltd.	1,042,713	$170,390	12/31/2023
JKHY	1,042,713	$170,390	12/31/2023
Envestnet Asset Management Inc.	1,005,953	$164,383	12/31/2023
JKHY	1,005,953	$164,383	12/31/2023
Northern Trust Corp	775,516	$126,727	12/31/2023
JKHY	775,516	$126,727	12/31/2023
Handelsbanken Fonder AB	764,600	$124,943	12/31/2023
JKHY	764,600	$124,943	12/31/2023
Goldman Sachs Group Inc.	705,582	$115,299	12/31/2023
JKHY	705,582	$115,299	12/31/2023
Neuberger Berman Group LLC	681,759	$111,406	12/31/2023
JKHY	681,759	$111,406	12/31/2023
Bank of New York Mellon Corp	678,567	$110,885	12/31/2023
JKHY	678,567	$110,885	12/31/2023
Legal & General Group Plc	601,374	$98,270	12/31/2023
JKHY	601,374	$98,270	12/31/2023
Mitsubishi UFJ Kokusai Asset Management Co. Ltd.	595,311	$97,292	12/31/2023
JKHY	595,311	$97,292	12/31/2023
Charles Schwab Investment Management Inc.	592,849	$96,877	12/31/2023
JKHY	592,849	$96,877	12/31/2023
Balyasny Asset Management LLC	565,659	$92,434	12/31/2023
JKHY	565,659	$92,434	12/31/2023
Raymond James & Associates	556,162	$90,882	12/31/2023
JKHY	556,162	$90,882	12/31/2023
TD Asset Management Inc.	544,781	$89,023	12/31/2023
JKHY	544,781	$89,023	12/31/2023
Nordea Investment Management AB	509,905	$83,288	12/31/2023
JKHY	509,905	$83,288	12/31/2023
Baird Financial Group Inc.	484,504	$79,173	12/31/2023
JKHY	484,504	$79,173	12/31/2023
Dimensional Fund Advisors LP	475,382	$77,684	12/31/2023
JKHY	475,382	$77,684	12/31/2023
Millennium Management LLC		$77,448	12/31/2023
JKHY	471,348	$77,023	12/31/2023
Call	6,400	$1,046	12/31/2023
Put	3,800	$621	12/31/2023
American Capital Management Inc.	468,789	$76,605	12/31/2023
JKHY	468,789	$76,605	12/31/2023
California Public Employees Retirement System	465,501	$76,068	12/31/2023
JKHY	465,501	$76,068	12/31/2023
Stifel Financial Corp	459,811	$75,141	12/31/2023
JKHY	459,811	$75,141	12/31/2023
UBS Asset Management Americas Inc.	426,354	$69,671	12/31/2023
JKHY	426,354	$69,671	12/31/2023
Bank Julius Baer & Co. Ltd Zurich	405,675	$66,291	12/31/2023
JKHY	405,675	$66,291	12/31/2023
Tandem Investment Advisors Inc.	398,464	$65,113	12/31/2023
JKHY	398,464	$65,113	12/31/2023
Citadel Advisors LLC		$64,851	12/31/2023
JKHY	382,459	$62,498	12/31/2023
Call	33,500	$5,474	12/31/2023
Put	19,100	$3,121	12/31/2023
Allspring Global Investments Holdings LLC	356,819	$58,308	12/31/2023
JKHY	356,819	$58,308	12/31/2023
Assenagon Asset Management S.A.	347,018	$56,706	12/31/2023
JKHY	347,018	$56,706	12/31/2023
APG Asset Management US Inc.	333,837	$54,552	12/31/2023
JKHY	333,837	$54,552	12/31/2023
Mackenzie Financial Corp	330,161	$53,952	12/31/2023
JKHY	330,161	$53,952	12/31/2023
Marshall Wace LLP	311,618	$50,921	12/31/2023
JKHY	311,618	$50,921	12/31/2023
Deutsche Bank AG	295,867	$48,348	12/31/2023
JKHY	295,867	$48,348	12/31/2023
Epoch Investment Partners Inc.	291,514	$47,636	12/31/2023
JKHY	291,514	$47,636	12/31/2023
Two Sigma Advisers LP	277,400	$45,330	12/31/2023
JKHY	277,400	$45,330	12/31/2023
Schwartz Investment Counsel Inc.	266,350	$43,524	12/31/2023
JKHY	266,350	$43,524	12/31/2023
Walker Asset Management LLC	246,353	$42,799	03/31/2024
JKHY	246,353	$42,799	03/31/2024
Aviva PLC	252,705	$41,295	12/31/2023
JKHY	252,705	$41,295	12/31/2023
Nuveen Asset Management LLC	244,378	$39,934	12/31/2023
JKHY	244,378	$39,934	12/31/2023
London Co. of Virginia	242,833	$39,681	12/31/2023
JKHY	242,833	$39,681	12/31/2023
Jupiter Asset Management Ltd.	235,126	$38,422	12/31/2023
JKHY	235,126	$38,422	12/31/2023
Swiss National Bank	227,200	$37,127	12/31/2023
JKHY	227,200	$37,127	12/31/2023