Citadel Advisors
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Citadel Advisors’s GH Research GHRS Stock Holding History

Citadel Advisors’s Portfolio GHRS Stock Details GHRS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-12,300
Closed -$156K – 13431
2025
Q4 		$156K Buy
+12,300
New +$168K ﹤0.01% 11268
2025
Q2 		– Sell
-5,000
Closed -$55.1K – 13435
2025
Q1 		$55.1K Buy
+5,000
New +$55.9K ﹤0.01% 12210
2024
Q4 		– Sell
-2,800
Closed -$18.7K – 14832
2024
Q3 		$18.7K Sell
2,800
-400
-13% -$4.1K ﹤0.01% 12825
2024
Q2 		$37.3K Buy
3,200
+3,000
+1,500% +$36K ﹤0.01% 12053
2024
Q1 		$2.13K Buy
+200
New +$1.59K ﹤0.01% 14040

Other funds holding GHRS

LCM
Lynx1 Capital Management San Juan, Puerto Rico $633M AUM 173.22% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $69.7B AUM 40.86% 1-Year Est. Return
TCA
Troluce Capital Advisors Dorado, Puerto Rico $1.63B AUM 37.23% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
JFG
Jefferies Financial Group New York $14.6B AUM 40.95% 1-Year Est. Return

Citadel Advisors's GHRS Position: Q1 2026 in Review

Citadel Advisors increased its GH Research (GHRS) stake by 149% in Q1 2026, buying an estimated $602K and bringing the position to 65,464 shares worth $920K. The position accounts for ﹤0.01% of the portfolio, ranked #7850.

Citadel Advisors first reported a position in GHRS in Q2 2021 and has held it in 18 quarters since. The position peaked at $29.8M in Q4 2021. 54 funds tracked by Wall St. Rank hold GHRS as of Q1 2026.

  • Citadel Advisors held 65,464 shares of GH Research worth $920K as of Q1 2026.
  • Citadel Advisors bought 39,206 GH Research shares in Q1 2026, an estimated $602K.
  • GH Research made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #7850 holding.
  • Citadel Advisors first reported a position in GH Research in Q2 2021 and has held it in 18 quarters since.
  • Citadel Advisors's GH Research position peaked at $29.8M in Q4 2021.
  • 54 funds tracked by Wall St. Rank held GH Research as of Q1 2026.

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