GS
CNR

Guy Spier’s Core Natural Resources Inc CNR Stock Holding History

Guy Spier’s Portfolio CNR Stock Details CNR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-10,740
Closed -$897K – 14
2025
Q3 		$897K Hold
10,740
– – 0.28% 14
2025
Q2 		$749K Hold
10,740
– – 0.24% 14
2025
Q1 		$828K Buy
+10,740
New +$907K 0.28% 14

Other funds holding CNR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
DCM
DME Capital Management New York $3.91B AUM 36.1% 1-Year Est. Return
FFL
Flat Footed LLC Wilson, Wyoming $1.31B AUM 86.49% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Guy Spier's CNR Position: Q4 2025 in Review

Guy Spier sold out of Core Natural Resources Inc (CNR) in Q4 2025, closing a stake of 10,740 shares — an estimated $897K sold.

Guy Spier first reported a position in CNR in Q1 2025 and held it in 3 quarters. The position peaked at $897K in Q3 2025. 341 funds tracked by Wall St. Rank hold CNR as of Q4 2025.

  • Guy Spier reported no remaining Core Natural Resources Inc position as of Q4 2025 after selling out during the quarter.
  • Guy Spier sold 10,740 Core Natural Resources Inc shares in Q4 2025, an estimated $897K.
  • Guy Spier first reported a position in Core Natural Resources Inc in Q1 2025 and held it in 3 quarters.
  • Guy Spier's Core Natural Resources Inc position peaked at $897K in Q3 2025.
  • 341 funds tracked by Wall St. Rank held Core Natural Resources Inc as of Q4 2025.

Based on Aquamarine Zurich's 13F filing for Q4 2025, filed 15 Jan 2026.