Adage Capital Partners’s Janus Henderson JHG Stock Holding History

Adage Capital Partners’s Portfolio JHG Stock Details JHG Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-70,000	Closed	-$3.33M	–	1019
2025 Q4	$3.33M	Buy	+70,000	New	+$3.1M	0.01%	803

Other funds holding JHG

TFM

Trian Fund Management New York $4.23B AUM 31.93% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Allianz Asset Management Munich, Germany $112B AUM 36.28% 1-Year Est. Return

Adage Capital Partners's JHG Position: Q1 2026 in Review

Adage Capital Partners sold out of Janus Henderson (JHG) in Q1 2026, closing a stake of 70,000 shares — an estimated $3.33M sold.

Adage Capital Partners first reported a position in JHG in Q4 2025 and held it in 1 quarter. The position peaked at $3.33M in Q4 2025. 491 funds tracked by Wall St. Rank hold JHG as of Q1 2026.

Adage Capital Partners reported no remaining Janus Henderson position as of Q1 2026 after selling out during the quarter.
Adage Capital Partners sold 70,000 Janus Henderson shares in Q1 2026, an estimated $3.33M.
Adage Capital Partners first reported a position in Janus Henderson in Q4 2025 and held it in 1 quarter.
Adage Capital Partners's Janus Henderson position peaked at $3.33M in Q4 2025.
491 funds tracked by Wall St. Rank held Janus Henderson as of Q1 2026.

Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.