CSS LLC’s MP Materials MP Stock Holding History

CSS LLC’s Portfolio MP Stock Details MP Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-6,983	Closed	-$353K	–	1117
2025 Q4	$353K	Sell	6,983 -720	-9%	-$45.7K	0.02%	643
2025 Q3	$517K	Buy	+7,703	New	+$485K	0.02%	524
2025 Q1	–	Sell	-55,700	Closed	-$1.29M	–	1034
2024 Q4	$869K	Buy	+55,700	New	+$1.03M	0.04%	379
2021 Q4	–	Sell	-5,706	Closed	-$184K	–	1290
2021 Q3	$184K	Sell	5,706 -157	-3%	-$5.46K	0.01%	893
2021 Q2	$216K	Sell	5,863 -21,813	-79%	-$678K	0.01%	837
2021 Q1	$995K	Buy	27,676 +23,000	+492%	+$850K	0.04%	392
2020 Q4	$150K	Buy	+4,676	New	+$90.5K	0.01%	668

Other funds holding MP

Hancock Prospecting West Perth, Australia $3.33B AUM 65.96% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

CSS LLC's MP Position: Q1 2026 in Review

CSS LLC sold out of MP Materials (MP) in Q1 2026, closing a stake of 6,983 shares — an estimated $353K sold.

CSS LLC first reported a position in MP in Q4 2020 and held it in 7 quarters. The position peaked at $995K in Q1 2021. 710 funds tracked by Wall St. Rank hold MP as of Q1 2026.

CSS LLC reported no remaining MP Materials position as of Q1 2026 after selling out during the quarter.
CSS LLC sold 6,983 MP Materials shares in Q1 2026, an estimated $353K.
CSS LLC first reported a position in MP Materials in Q4 2020 and held it in 7 quarters.
CSS LLC's MP Materials position peaked at $995K in Q1 2021.
710 funds tracked by Wall St. Rank held MP Materials as of Q1 2026.

Based on CSS LLC's 13F filing for Q1 2026, filed 15 May 2026.