A detailed history of Rossby Financial, Lcc transactions in Mp Materials Corp. stock. As of the latest transaction made, Rossby Financial, Lcc holds 5,750 shares of MP stock, worth $337,180. This represents 0.13% of its overall portfolio holdings.

Number of Shares
5,750
Previous 7,850 26.75%
Holding current value
$337,180
Previous $261 Million 48.9%
% of portfolio
0.13%
Previous 0.1%

Shares

2 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 10, 2025

SELL
$30.03 - $77.13 $63,063 - $161,973
-2,100 Reduced 26.75%
5,750 $389 Million
Q2 2025

Aug 01, 2025

BUY
$18.77 - $37.74 $147,344 - $296,259
7,850 New
7,850 $261 Million

Others Institutions Holding MP

About MP Materials Corp.


  • Ticker MP
  • Exchange NYSE
  • Sector Basic Materials
  • Industry Other Industrial Metals & Mining
  • Shares Outstandng 177,534,000
  • Market Cap $10.4B
  • Description
  • MP Materials Corp. owns and operates rare earth mining and processing facilities. It owns and operates the Mountain Pass Rare Earth mine located in the Western Hemisphere. The company holds the mineral rights to the Mountain Pass mine and surrounding areas, as well as intellectual property rights related to the processing and development of rare...
More about MP
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