Stock Ownership/MP

MP MATERIALS CORP (MP): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MP · Materials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
22
13F filers
Aggregate Value
$769.4M
Across holders
Last Price
$57.42
2026-08-24
Sector
Materials
GICS
Quarterly fund activity10 increased11 reduced6 exited
Full exits: ADAGE CAPITAL PARTNERS GP, L.L.C., MILLENNIUM MANAGEMENT LLC, FRED ALGER MANAGEMENT, LLC, Squarepoint Ops LLC, Magnetar Financial LLC, SOROS FUND MANAGEMENT LLC
Institutional Holders of MP
↗
22 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
SHAW D E & CO INC
CIK 0001009207
Hedge Fund5.83M$326.5M42.4%0.2%Added+$203.8MQ2 2026
CAXTON ASSOCIATES LLP
CIK 0002051323
Hedge Fund1.99M$111.6M14.5%2.1%Added+$111.2MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund1.74M$97.2M12.6%0.1%Added+$88.3MQ2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLC
CIK 0001556921
Hedge Fund1.25M$69.8M9.1%0.3%Added+$40.3MQ2 2026
Rokos Capital Management LLP
CIK 0001666335
Hedge Fund478K$26.8M3.5%0.1%Reduced$-4.1MQ2 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund446K$25.0M3.2%0.1%Added+$18.9MQ2 2026
BAILLIE GIFFORD & CO
CIK 0001088875
Institutional Manager357K$20.0M2.6%0.0%Reduced+$3.4MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund334K$18.7M2.4%0.0%Added+$17.3MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund296K$16.6M2.2%0.0%Added+$1.0MQ2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund279K$15.6M2.0%0.0%Unchanged+$0Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$326.5M· 42.4% of total· 0.2% port· 5.83M sh· +$203.8M QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$111.6M· 14.5% of total· 2.1% port· 1.99M sh· +$111.2M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$97.2M· 12.6% of total· 0.1% port· 1.74M sh· +$88.3M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCAdded
Hedge Fund
$69.8M· 9.1% of total· 0.3% port· 1.25M sh· +$40.3M QoQ· Q2 2026
Rokos Capital Management LLPReduced
Hedge Fund
$26.8M· 3.5% of total· 0.1% port· 478K sh· $-4.1M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$25.0M· 3.2% of total· 0.1% port· 446K sh· +$18.9M QoQ· Q2 2026
BAILLIE GIFFORD & COReduced
Institutional Manager
$20.0M· 2.6% of total· 0.0% port· 357K sh· +$3.4M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$18.7M· 2.4% of total· 0.0% port· 334K sh· +$17.3M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$16.6M· 2.2% of total· 0.0% port· 296K sh· +$1.0M QoQ· Q2 2026
Woodline Partners LPUnchanged
Hedge Fund
$15.6M· 2.0% of total· 0.0% port· 279K sh· +$0 QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$12.9M· 1.7% of total· 0.0% port· 230K sh· +$498K QoQ· Q2 2026
Clearbridge Investments, LLCReduced
Hedge Fund
$8.7M· 1.1% of total· 0.0% port· 155K sh· $-8K QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$8.0M· 1.0% of total· 0.0% port· 143K sh· $-20.4M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$6.9M· 0.9% of total· 0.0% port· 122K sh· $-120.5M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$1.6M· 0.2% of total· 0.0% port· 29K sh· $-5.0M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$1.4M· 0.2% of total· 0.0% port· 24K sh· — QoQ· Q2 2026
Holocene Advisors, LPReduced
Hedge Fund
$1.0M· 0.1% of total· 0.0% port· 18K sh· $-1.5M QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$574K· 0.1% of total· 0.0% port· 10K sh· $-3.3M QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCReduced
Hedge Fund
$265K· 0.0% of total· 0.0% port· 5K sh· $-2.0M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$253K· 0.0% of total· 0.0% port· 5K sh· — QoQ· Q2 2026
Ancora Advisors, LLCReduced
Hedge Fund
$111K· 0.0% of total· 0.0% port· 2K sh· $-5K QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$51K· 0.0% of total· 0.0% port· 911 sh· $-2.5M QoQ· Q2 2026
1–10 of 22
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