Diameter Capital Partners’s James Hardie Industries JHX Stock Holding History

Diameter Capital Partners’s Portfolio JHX Stock Details JHX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$30.7M	Buy	1,172,112 +1,122,112	+2,244%	+$24.7M	2.47%	10
2026 Q1	$947K	Sell	50,000 -950,000	-95%	-$21.4M	0.09%	28
2025 Q4	$20.8M	Buy	1,000,000 +600,000	+150%	+$12M	1.9%	13
2025 Q3	$7.68M	Buy	+400,000	New	+$9.58M	0.47%	32

Other funds holding JHX

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

DCP

D1 Capital Partners New York $34.8B AUM 11.34% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

SPC

Slate Path Capital New York $7.22B AUM 110.75% 1-Year Est. Return

HCC

Hill City Capital Boston, Massachusetts $4.28B AUM 80.76% 1-Year Est. Return

Diameter Capital Partners's JHX Position: Q2 2026 in Review

Diameter Capital Partners increased its James Hardie Industries (JHX) stake by 2,244% in Q2 2026, buying an estimated $24.7M and bringing the position to 1,172,112 shares worth $30.7M. The position accounts for 2.47% of the portfolio, ranked #10.

Diameter Capital Partners first reported a position in JHX in Q3 2025 and has held it in 4 quarters since. 342 funds tracked by Wall St. Rank hold JHX as of Q2 2026.

Diameter Capital Partners held 1,172,112 shares of James Hardie Industries worth $30.7M as of Q2 2026.
Diameter Capital Partners bought 1,122,112 James Hardie Industries shares in Q2 2026, an estimated $24.7M.
James Hardie Industries made up 2.47% of Diameter Capital Partners's portfolio in Q2 2026, its #10 holding.
Diameter Capital Partners first reported a position in James Hardie Industries in Q3 2025 and has held it in 4 quarters since.
342 funds tracked by Wall St. Rank held James Hardie Industries as of Q2 2026.

Based on Diameter Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.