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
Q2 		$2.31M Buy
85,952
+20,488
+31% +$428K ﹤0.01% 6242
2026
Q1 		$920K Buy
65,464
+39,206
+149% +$602K ﹤0.01% 7850
2025
Q4 		$333K Sell
26,258
-68,144
-72% -$928K ﹤0.01% 9905
2025
Q3 		$1.35M Buy
+94,402
New +$1.32M ﹤0.01% 6888
2025
Q2 		– Sell
-15,586
Closed -$172K – 13436
2025
Q1 		$172K Buy
+15,586
New +$174K ﹤0.01% 10666
2024
Q4 		– Sell
-215,717
Closed -$1.44M – 14833
2024
Q3 		$1.44M Buy
215,717
+58,225
+37% +$597K ﹤0.01% 6137
2024
Q2 		$1.84M Buy
157,492
+145,284
+1,190% +$1.74M ﹤0.01% 5479
2024
Q1 		$130K Sell
12,208
-85,026
-87% -$675K ﹤0.01% 10975
2023
Q4 		$564K Sell
97,234
-70,687
-42% -$499K ﹤0.01% 7831
2023
Q3 		$1.69M Buy
167,921
+23,350
+16% +$270K ﹤0.01% 5532
2023
Q2 		$1.72M Buy
144,571
+13
+0% +$133 ﹤0.01% 5433
2023
Q1 		$1.16M Sell
144,558
-1,136,561
-89% -$10.4M ﹤0.01% 6463
2022
Q4 		$12.4M Sell
1,281,119
-6,983
-0.5% -$75.5K ﹤0.01% 2517
2022
Q3 		$15M Sell
1,288,102
-15,368
-1% -$194K ﹤0.01% 2224
2022
Q2 		$13M Buy
1,303,470
+27,738
+2% +$361K ﹤0.01% 2347
2022
Q1 		$23.3M Hold
1,275,732
– – ﹤0.01% 1812
2021
Q4 		$29.8M Sell
1,275,732
-36,914
-3% -$811K 0.01% 1608
2021
Q3 		$28.3M Buy
1,312,646
+28,856
+2% +$587K 0.01% 1625
2021
Q2 		$27.1M Buy
+1,283,790
New +$26.2M 0.01% 1722

Other funds holding GHRS

LCM
Lynx1 Capital Management San Juan, Puerto Rico $866M AUM 231.68% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
FCMV
Foresite Capital Management VI Larkspur, California $643M AUM 343.43% 1-Year Est. Return
JFG
Jefferies Financial Group New York $15.2B AUM 55.75% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Citadel Advisors's GHRS Position: Q2 2026 in Review

Citadel Advisors increased its GH Research (GHRS) stake by 31% in Q2 2026, buying an estimated $428K and bringing the position to 85,952 shares worth $2.31M. The position accounts for ﹤0.01% of the portfolio, ranked #6242.

Citadel Advisors first reported a position in GHRS in Q2 2021 and has held it in 19 quarters since. The position peaked at $29.8M in Q4 2021. 63 funds tracked by Wall St. Rank hold GHRS as of Q2 2026.

  • Citadel Advisors held 85,952 shares of GH Research worth $2.31M as of Q2 2026.
  • Citadel Advisors bought 20,488 GH Research shares in Q2 2026, an estimated $428K.
  • GH Research made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #6242 holding.
  • Citadel Advisors first reported a position in GH Research in Q2 2021 and has held it in 19 quarters since.
  • Citadel Advisors's GH Research position peaked at $29.8M in Q4 2021.
  • 63 funds tracked by Wall St. Rank held GH Research as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.