SEC 13F Intelligence

MP MATERIALS CORP

CUSIP 553368901

Mp Materials Corp has 1 institutional holders in Filings Flow’s 13F database, together reporting 78.5K shares worth $4M as of Q1 2026. The largest reported holders are Imc-Chicago, LLC, Group One Trading LLC, and Simplex Trading, LLC.

Institutional Holders
1
Q1 2026
Reported Value
$4M
Ticker
unmapped
private placement or foreign
Quarters Tracked
2

Ownership Trend

Institutional holders
Q4 ’25: 1Q4 ’25Q1 ’26: 1Q1 ’26filingsflow.com
Total reported value
Q4 ’25: $2MQ4 ’25Q1 ’26: $4MQ1 ’26filingsflow.com

Holders

··Mixed quarters
Manager% of PortfolioValueSharesQuarter
IMC-Chicago, LLC$278.4B AUM0.02%$52M1.07MQ1 2026
GROUP ONE TRADING LLC$52.2B AUM0.06%$29M598.0KQ1 2026
SIMPLEX TRADING, LLC$149.1B AUM0.01%$21M442.8KQ1 2026
JPMORGAN CHASE & CO$1.56T AUM0.00%$5M100.0KQ1 2026
HRT FINANCIAL LP$40.1B AUM0.01%$4M78.5KQ1 2026
OnyxPoint Global Management LP$424M AUM0.88%$4M77.1KQ1 2026
THOMIST CAPITAL MANAGEMENT, LP$371M AUM0.26%$965,20020.0KQ1 2026
Brooklands Fund Management Ltd$89M AUM0.20%$162,750750Q3 2025OLDER
ZAZOVE ASSOCIATES LLC$1.2B AUM0.00%$4,9201.2KQ2 2025OLDER
SG Americas Securities, LLC$92.9B AUM0.00%$1,00013.0KQ4 2025OLDER
CONCOURSE FINANCIAL GROUP SECURITIES, INC.$0 AUM$00Q2 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.