Ken Griffin
HDRN

Ken Griffin’s Hadron Energy HDRN Stock Holding History

Ken Griffin’s Portfolio HDRN Stock Details HDRN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$605K Sell
56,804
-697,496
-92% -$7.39M ﹤0.01% 8830
2025
Q4 		$7.95M Buy
+754,300
New +$8.04M ﹤0.01% 3564

Other funds holding HDRN

MC
Meteora Capital Boca Raton, Florida $1.36B AUM 20.06% 1-Year Est. Return
TCM
Tenor Capital Management New York $6.49B AUM 3% 1-Year Est. Return
WRBC
W.R. Berkley Corp Greenwich, Connecticut $1.86B AUM 14.44% 1-Year Est. Return
HCM
Highbridge Capital Management New York $3.09B AUM 31.21% 1-Year Est. Return
MSU
Mizuho Securities USA New York $6.2B AUM 35.46% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 26.7% 1-Year Est. Return
AC
Aristeia Capital Greenwich, Connecticut $4.82B AUM 24.91% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
YCM
Yakira Capital Management Westport, Connecticut $342M AUM 26.95% 1-Year Est. Return

Ken Griffin's HDRN Position: Q1 2026 in Review

Ken Griffin reduced its Hadron Energy (HDRN) stake by 92% in Q1 2026, selling an estimated $7.39M and leaving 56,804 shares worth $605K. The position accounts for ﹤0.01% of the portfolio, ranked #8830.

Ken Griffin first reported a position in HDRN in Q4 2025 and has held it in 2 quarters since. The position peaked at $7.95M in Q4 2025. 36 funds tracked by Wall St. Rank hold HDRN as of Q1 2026.

  • Ken Griffin held 56,804 shares of Hadron Energy worth $605K as of Q1 2026.
  • Ken Griffin sold 697,496 Hadron Energy shares in Q1 2026, an estimated $7.39M.
  • Hadron Energy made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #8830 holding.
  • Ken Griffin first reported a position in Hadron Energy in Q4 2025 and has held it in 2 quarters since.
  • Ken Griffin's Hadron Energy position peaked at $7.95M in Q4 2025.
  • 36 funds tracked by Wall St. Rank held Hadron Energy as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.