There is a long list of 303 institutional holders of JHG 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 JHG by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-JHG table below, the initial column indicates the name of each top institutional holder of JHG, with a link to that fund's top holdings. The next columns indicate the amount of JHG stock held by each of the institutional holders of JHG, followed by the JHG 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
Trian Fund Management L.P.	31,867,800	$960,814	12/31/2023
JHG	31,867,800	$960,814	12/31/2023
BlackRock Inc.	16,596,610	$500,388	12/31/2023
JHG	16,596,610	$500,388	12/31/2023
Silchester International Investors LLP	14,888,669	$448,893	12/31/2023
JHG	14,888,669	$448,893	12/31/2023
Vanguard Group Inc.	13,580,920	$409,465	12/31/2023
JHG	13,580,920	$409,465	12/31/2023
Capital Research Global Investors	8,727,807	$263,143	12/31/2023
JHG	8,727,807	$263,143	12/31/2023
Dimensional Fund Advisors LP	7,444,113	$224,442	12/31/2023
JHG	7,444,113	$224,442	12/31/2023
State Street Corp	5,314,655	$160,237	12/31/2023
JHG	5,314,655	$160,237	12/31/2023
Millennium Management LLC	4,020,303	$121,212	12/31/2023
JHG	4,020,303	$121,212	12/31/2023
Charles Schwab Investment Management Inc.	3,446,283	$103,905	12/31/2023
JHG	3,446,283	$103,905	12/31/2023
Ariel Investments LLC	2,845,855	$85,803	12/31/2023
JHG	2,845,855	$85,803	12/31/2023
Geode Capital Management LLC	2,125,475	$64,093	12/31/2023
JHG	2,125,475	$64,093	12/31/2023
Northern Trust Corp	1,998,133	$60,244	12/31/2023
JHG	1,998,133	$60,244	12/31/2023
Citadel Advisors LLC		$58,369	12/31/2023
JHG	1,927,135	$58,103	12/31/2023
Call	11,600	$350	12/31/2023
Put	2,800	$84	12/31/2023
Fisher Asset Management LLC	1,833,592	$55,283	12/31/2023
JHG	1,833,592	$55,283	12/31/2023
Principal Financial Group Inc.	1,791,631	$54,018	12/31/2023
JHG	1,791,631	$54,018	12/31/2023
ARGA Investment Management LP	1,433,606	$47,151	03/31/2024
JHG	1,433,606	$47,151	03/31/2024
Bank of New York Mellon Corp	1,340,960	$40,430	12/31/2023
JHG	1,340,960	$40,430	12/31/2023
Goldman Sachs Group Inc.	1,284,080	$38,715	12/31/2023
JHG	1,284,080	$38,715	12/31/2023
Capital World Investors	1,200,041	$36,181	12/31/2023
JHG	1,200,041	$36,181	12/31/2023
Morgan Stanley	1,177,241	$35,494	12/31/2023
JHG	1,177,241	$35,494	12/31/2023
Allianz Asset Management GmbH	1,154,682	$34,814	12/31/2023
JHG	1,154,682	$34,814	12/31/2023
Great Lakes Advisors LLC		$28,454	12/31/2023
ETF	1,747,494	$20,481	12/31/2023
JHG	264,443	$7,973	12/31/2023
First Trust Advisors LP	879,441	$26,515	12/31/2023
JHG	879,441	$26,515	12/31/2023
Invesco Ltd.	749,323	$22,592	12/31/2023
JHG	749,323	$22,592	12/31/2023
Norges Bank	689,593	$20,791	12/31/2023
JHG	689,593	$20,791	12/31/2023
Fuller & Thaler Asset Management Inc.	620,421	$18,706	12/31/2023
JHG	620,421	$18,706	12/31/2023
Qube Research & Technologies Ltd	524,184	$15,804	12/31/2023
JHG	524,184	$15,804	12/31/2023
Gamco Investors INC. ET AL	492,024	$14,835	12/31/2023
JHG	492,024	$14,835	12/31/2023
JPMorgan Chase & Co.	489,650	$14,763	12/31/2023
JHG	489,650	$14,763	12/31/2023
AQR Capital Management LLC	478,293	$14,421	12/31/2023
JHG	478,293	$14,421	12/31/2023
Arrowstreet Capital Limited Partnership	439,492	$13,251	12/31/2023
JHG	439,492	$13,251	12/31/2023
Brandywine Global Investment Management LLC	438,536	$13,222	12/31/2023
JHG	438,536	$13,222	12/31/2023
Franklin Resources Inc.	438,188	$13,211	12/31/2023
JHG	438,188	$13,211	12/31/2023
Hotchkis & Wiley Capital Management LLC	421,790	$12,717	12/31/2023
JHG	421,790	$12,717	12/31/2023
Rhumbline Advisers	390,591	$11,776	12/31/2023
JHG	390,591	$11,776	12/31/2023
Point72 Asset Management L.P.	356,028	$10,734	12/31/2023
JHG	356,028	$10,734	12/31/2023
Marshall Wace LLP	351,295	$10,592	12/31/2023
JHG	351,295	$10,592	12/31/2023
UBS Asset Management Americas Inc.	348,527	$10,508	12/31/2023
JHG	348,527	$10,508	12/31/2023
Nuveen Asset Management LLC	345,898	$10,429	12/31/2023
JHG	345,898	$10,429	12/31/2023
Legal & General Group Plc	344,518	$10,387	12/31/2023
JHG	344,518	$10,387	12/31/2023
Grantham Mayo Van Otterloo & Co. LLC	306,455	$9,240	12/31/2023
JHG	306,455	$9,240	12/31/2023
Zimmer Partners LP	300,000	$9,045	12/31/2023
JHG	300,000	$9,045	12/31/2023
Nordea Investment Management AB	273,602	$8,290	12/31/2023
JHG	273,602	$8,290	12/31/2023
Kingsview Wealth Management LLC	272,706	$8,222	12/31/2023
JHG	272,706	$8,222	12/31/2023
Swiss National Bank	261,105	$7,872	12/31/2023
JHG	261,105	$7,872	12/31/2023
Credit Suisse AG	260,072	$7,841	12/31/2023
JHG	260,072	$7,841	12/31/2023
Thrivent Financial for Lutherans	257,891	$7,776	12/31/2023
JHG	257,891	$7,776	12/31/2023
California Public Employees Retirement System	256,146	$7,723	12/31/2023
JHG	256,146	$7,723	12/31/2023
Ameriprise Financial Inc.	237,843	$7,171	12/31/2023
JHG	237,843	$7,171	12/31/2023
New York State Common Retirement Fund	229,666	$6,924	12/31/2023
JHG	229,666	$6,924	12/31/2023