EcoR1 Capital’s CG Oncology CGON Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$106M Buy
1,494,300
+392,300
+36% +$25.6M 5.16% 4
2026
Q1
$74.6M Buy
1,102,000
+330,000
+43% +$18.7M 3.17% 8
2025
Q4
$32.1M Buy
+772,000
New +$31.9M 1.45% 14

Other funds holding CGON

EcoR1 Capital's CGON Position: Q2 2026 in Review

EcoR1 Capital increased its CG Oncology (CGON) stake by 36% in Q2 2026, buying an estimated $25.6M and bringing the position to 1,494,300 shares worth $106M. The position accounts for 5.16% of the portfolio, ranked #4.

EcoR1 Capital first reported a position in CGON in Q4 2025 and has held it in 3 quarters since. 227 funds tracked by Wall St. Rank hold CGON as of Q2 2026.

  • EcoR1 Capital held 1,494,300 shares of CG Oncology worth $106M as of Q2 2026.
  • EcoR1 Capital bought 392,300 CG Oncology shares in Q2 2026, an estimated $25.6M.
  • CG Oncology made up 5.16% of EcoR1 Capital's portfolio in Q2 2026, its #4 holding.
  • EcoR1 Capital first reported a position in CG Oncology in Q4 2025 and has held it in 3 quarters since.
  • 227 funds tracked by Wall St. Rank held CG Oncology as of Q2 2026.

Based on EcoR1 Capital's 13F filing for Q2 2026, filed 14 Aug 2026.