MP Materials Ownership | Who Owns MP Materials?

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MP Materials Ownership Summary

MP Materials is owned by 82.83% institutional investors, 16.48% insiders, and 0.69% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 9.03% of MP shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 4.87% of its assets in MP Materials shares.

MP Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MP Materials	82.83%	16.48%	0.69%
Sector	Basic Materials Stocks	52.81%	12.20%	34.99%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	14.79M	9.03%	$491.94M
Hancock prospecting pty	13.86M	8.46%	$461.16M
Vanguard group	12.72M	7.75%	$198.44M
Blackrock	12.07M	6.92%	$153.67M
State street	7.81M	4.48%	$99.47M
Price t rowe associates inc /md/	6.54M	3.98%	$101.99M
Ubs group	5.34M	3.25%	$83.34M
Cooperman leon g	3.24M	1.98%	$107.79M
Morgan stanley	2.74M	1.57%	$34.92M
Victory capital management	2.43M	1.48%	$37.95M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Hancock prospecting pty	13.86M	14.66%	$461.16M
Sicart associates	395.51K	4.60%	$13.16M
Cooperman leon g	3.24M	3.79%	$107.79M
Bernzott capital advisors	426.79K	3.29%	$6.66M
Uscf advisers	800.00	2.62%	$26.62K
Monolith management	174.39K	2.05%	$5.80M
Verity asset management	89.11K	1.42%	$2.96M
Lisanti capital growth	149.63K	1.38%	$4.98M
Philadelphia financial management of san francisco	265.35K	1.04%	$8.83M
Rpg family wealth advisory	106.21K	0.94%	$3.53M

Top Buyers

Holder	Shares	% Assets	Change
Ubs group	5.34M	0.02%	4.33M
Price t rowe associates inc /md/	6.54M	0.01%	2.01M
National bank of canada /fi/	2.01M	0.06%	2.00M
Reaves w h	965.00K	0.71%	965.00K
Bnp paribas arbitrage, snc	954.26K	0.01%	954.26K

Top Sellers

Holder	Shares	% Assets	Change
Sourcerock group	-	-	-1.79M
Driehaus capital management	-	-	-1.40M
State street	7.81M	0.00%	-1.35M
Qvt financial lp	-	-	-1.30M
Baillie gifford	1.48M	0.02%	-1.28M

New Positions

Holder	Shares	% Assets	Change	Value
Reaves w h	965.00K	0.71%	965.00K	$32.11M
Bnp paribas arbitrage, snc	954.26K	0.01%	954.26K	$14.89M
Norges bank	681.89K	0.00%	681.89K	$8.68M
Voloridge investment management	663.40K	0.08%	663.40K	$22.07M
Groupama asset managment	600.00K	0.02%	600.00K	$1.03M

Sold Out

Holder	Change
Tfo-tdc	-1.00
Nelson, van denburg & campbell wealth management group	-2.00
Anfield capital management	-4.00
Claris advisors, llc / mo /	-6.00
Prairieview partners	-7.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	528	20.27%	135,709,603	6.87%	82	1.38%	274	27.44%	159	21.37%
Mar 31, 2025	437	3.07%	126,998,192	3.86%	77	1.40%	213	14.52%	131	-8.39%
Dec 31, 2024	384	-5.19%	113,219,023	8.55%	68	1.71%	169	-	130	-5.80%
Sep 30, 2024	404	-4.27%	104,299,355	-0.99%	63	1.57%	170	-10.99%	138	4.55%
Jun 30, 2024	420	1.94%	105,312,887	1.98%	60	1.78%	190	-8.21%	131	13.91%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	7.95M	4.87%	1.12K
Vanguard Total Stock Mkt Idx Inv	4.69M	2.65%	481.34K
Vanguard US Total Market Shares ETF	3.68M	2.25%	-351.21K
Vanguard Small Cap Index	3.62M	2.04%	420.83K
SPDR® S&P Metals and Mining ETF	2.57M	1.45%	-9.08K
Invesco Small Cap Value A	2.06M	1.16%	-
T. Rowe Price Integrated US SmCapGrEq	1.90M	1.16%	-1.22M
T. Rowe Price Integrated US Sm Gr Eq	1.90M	1.16%	-
Jupiter Merian Glb Eq AbsRet I USD Acc	1.88M	1.15%	1.55M
Vanguard Small Cap Growth Index Inv	2.04M	1.15%	244.22K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 29, 2025	Rosenthal Michael Stuart	Chief Operating Officer	Sell	$1.03M
Aug 29, 2025	Rosenthal Michael Stuart	Chief Operating Officer	Sell	$3.78M
Aug 29, 2025	Rosenthal Michael Stuart	Chief Operating Officer	Sell	$6.00M
Aug 01, 2025	Hoops Elliot Dean	General Counsel and Secretary	Sell	$42.54K
Aug 01, 2025	Hoops Elliot Dean	General Counsel and Secretary	Sell	$13.43K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	8
2025 Q2	-	4
2025 Q1	-	11
2024 Q4	-	9
2024 Q3	1	-

MP Ownership FAQ

Who owns the most shares of MP Materials?

MP Materials’s largest shareholders are Blackrock funding, inc. /de (14.79M shares, 9.03%), Hancock prospecting pty (13.86M shares, 8.46%), and Vanguard group (12.72M shares, 7.75%). Together, they hold 25.23% of MP Materials’s total shares outstanding.

Does Blackrock own MP Materials?

Yes, BlackRock owns 6.92% of MP Materials, totaling 12.07M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 153.67M$. In the last quarter, BlackRock decreased its holdings by -158K shares, a -1.29% change.

Who is MP Materials’s biggest shareholder by percentage of total assets invested?

Hancock prospecting pty is MP Materials’s biggest shareholder by percentage of total assets invested, with 14.66% of its assets in 13.86M MP Materials shares, valued at 461.16M$.

Who is the top mutual fund holder of MP Materials shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of MP Materials shares, with 4.87% of its total shares outstanding invested in 7.95M MP Materials shares.

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