Portolan Capital Management’s Core Natural Resources Inc CNR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$24.8M Buy
237,036
+106,794
+82% +$10.2M 1.32% 24
2025
Q4
$11.5M Buy
+130,242
New +$11.1M 0.62% 57

Other funds holding CNR

Portolan Capital Management's CNR Position: Q1 2026 in Review

Portolan Capital Management increased its Core Natural Resources Inc (CNR) stake by 82% in Q1 2026, buying an estimated $10.2M and bringing the position to 237,036 shares worth $24.8M. The position accounts for 1.32% of the portfolio, ranked #24.

Portolan Capital Management first reported a position in CNR in Q4 2025 and has held it in 2 quarters since. 380 funds tracked by Wall St. Rank hold CNR as of Q1 2026.

  • Portolan Capital Management held 237,036 shares of Core Natural Resources Inc worth $24.8M as of Q1 2026.
  • Portolan Capital Management bought 106,794 Core Natural Resources Inc shares in Q1 2026, an estimated $10.2M.
  • Core Natural Resources Inc made up 1.32% of Portolan Capital Management's portfolio in Q1 2026, its #24 holding.
  • Portolan Capital Management first reported a position in Core Natural Resources Inc in Q4 2025 and has held it in 2 quarters since.
  • 380 funds tracked by Wall St. Rank held Core Natural Resources Inc as of Q1 2026.

Based on Portolan Capital Management's 13F filing for Q1 2026, filed 15 May 2026.