Janus Henderson Group Ownership | Who Owns Janus Henderson Group?

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Janus Henderson Group Ownership Summary

Janus Henderson Group is owned by 18.59% institutional investors, 0.37% insiders, and 81.04% retail investors. Trian fund management is the largest institutional shareholder, holding 20.97% of JHG shares. iShares Core S&P Mid-Cap ETF is the top mutual fund, with 2.70% of its assets in Janus Henderson Group shares.

JHG Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Janus Henderson Group	18.59%	0.37%	81.04%
Sector	Financial Services Stocks	37.05%	15.59%	47.36%
Industry	Asset Management Stocks	49.15%	11.31%	39.54%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Trian fund management	31.87M	20.97%	$1.64B
Blackrock	15.98M	10.15%	$538.74M
Blackrock funding, inc. /de	14.76M	9.71%	$758.39M
Vanguard group	12.13M	7.98%	$577.13M
State street	4.38M	2.88%	$225.18M
Dimensional fund advisors lp	4.27M	2.81%	$219.26M
Hbk investments l p	4.23M	2.78%	$217.33M
Citadel advisors	3.77M	2.48%	$193.80M
Aqr capital management	3.34M	2.20%	$171.65M
Allianz asset management gmbh	3.20M	2.11%	$164.38M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Trian fund management	31.87M	42.41%	$1.64B
Silchester investors llp	1.56M	26.86%	$218.31M
Harvest management	310.00K	7.71%	$15.92M
Chicago capital management	213.00K	6.81%	$8.22M
Versor investments lp	52.29K	6.58%	$2.69M
13d management	134.65K	5.75%	$5.99M
Water island capital	922.28K	5.29%	$47.38M
Athos capital	311.58K	4.93%	$16.01M
Tig advisors	1.91M	4.53%	$97.92M
P schoenfeld asset management lp	156.30K	4.36%	$8.03M

Top Buyers

Holder	Shares	% Assets	Change
Hbk investments l p	4.23M	2.21%	4.23M
Citadel advisors	3.77M	0.03%	3.61M
Norges bank	2.48M	0.01%	2.48M
Neuberger berman group	2.23M	0.09%	2.20M
Tig advisors	1.91M	4.53%	1.91M

Top Sellers

Holder	Shares	% Assets	Change
Silchester investors llp	1.56M	26.86%	-4.17M
Charles schwab investment management	1.79M	0.01%	-3.55M
Capital research global investors	-	-	-2.77M
Blackrock funding, inc. /de	14.76M	0.01%	-2.61M
Dimensional fund advisors lp	4.27M	0.05%	-2.34M

New Positions

Holder	Shares	% Assets	Change	Value
Hbk investments l p	4.23M	2.21%	4.23M	$217.33M
Norges bank	2.48M	0.01%	2.48M	$117.88M
Tig advisors	1.91M	4.53%	1.91M	$97.92M
Lmr partners llp	873.33K	0.10%	873.33K	$44.86M
Vanguard fiduciary trust	764.75K	0.01%	764.75K	$39.28M

Sold Out

Holder	Change
Harbor investment advisory	-2.00
Svb wealth	-6.00
Turning point benefit group	-6.00
Claris advisors, llc / mo /	-11.00
Financial gravity asset management	-11.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	247	-47.11%	28,263,731	-79.70%	18	0.22%	138	-49.08%	66	-54.79%
Dec 31, 2025	362	-13.81%	86,729,732	-37.93%	57	0.69%	203	-14.35%	118	-11.28%
Sep 30, 2025	336	-12.50%	85,213,573	-36.06%	55	0.74%	183	1.67%	114	-32.94%
Jun 30, 2025	388	-6.05%	141,991,917	-0.74%	92	1.07%	183	-21.46%	171	31.54%
Mar 31, 2025	408	1.24%	143,401,876	-1.19%	92	1.05%	228	4.59%	130	1.56%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Mid-Cap ETF	4.16M	2.70%	-2.10K
Vanguard US Total Market Shares ETF	4.02M	2.55%	2.49K
Vanguard Total Stock Mkt Idx Inv	3.91M	2.54%	20.57K
Schwab US Dividend Equity ETF™	3.82M	2.48%	15.45K
Vanguard Small Cap Index	2.84M	1.84%	-6.29K
iShares Select Dividend ETF	2.82M	1.83%	-
Vanguard Small Cap Value Index Inv	1.82M	1.18%	12.44K
Clark Navigator International Equity/ADR	1.51M	0.97%	588.24K
Vanguard Institutional Extnd Mkt Idx Tr	1.39M	0.90%	14.08K
American Funds SMALLCAP World A	1.20M	0.78%	-2.47M

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 12, 2026	Frank Joshua D.		Sell	$320.61M
May 12, 2026	Baldwin Brian M		Sell	$320.61M
Mar 10, 2026	PODZOROV MEGAN	Chief People Officer	Sell	$84.55K
Feb 27, 2026	CASSIDY WILLIAM B	Chief Technology Officer	Sell	$885.82K
Feb 18, 2026	ROSENBERG MICHELLE	CAO & GENERAL COUNSEL	Sell	$1.08M

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	2
2026 Q1	-	5
2025 Q4	-	-
2025 Q3	-	2
2025 Q2	-	-

JHG Ownership FAQ

Who Owns Janus Henderson Group?

Janus Henderson Group shareholders are primarily institutional investors at 18.59%, followed by 0.37% insiders and 81.04% retail investors. The average institutional ownership in Janus Henderson Group's industry, Asset Management Stocks, is 49.15%, which Janus Henderson Group falls below.

Who owns the most shares of Janus Henderson Group?

Janus Henderson Group’s largest shareholders are Trian fund management (31.87M shares, 20.97%), Blackrock (15.98M shares, 10.15%), and Blackrock funding, inc. /de (14.76M shares, 9.71%). Together, they hold 40.83% of Janus Henderson Group’s total shares outstanding.

Does Blackrock own Janus Henderson Group?

Yes, BlackRock owns 10.15% of Janus Henderson Group, totaling 15.98M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 538.74M$. In the last quarter, BlackRock decreased its holdings by -335K shares, a -2.05% change.

Who is Janus Henderson Group’s biggest shareholder by percentage of total assets invested?

Trian fund management is Janus Henderson Group’s biggest shareholder by percentage of total assets invested, with 42.41% of its assets in 31.87M Janus Henderson Group shares, valued at 1.64B$.

Who is the top mutual fund holder of Janus Henderson Group shares?

iShares Core S&P Mid-Cap ETF is the top mutual fund holder of Janus Henderson Group shares, with 2.70% of its total shares outstanding invested in 4.16M Janus Henderson Group shares.

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