Ken Griffin
GHRS icon

Ken Griffin’s GH Research GHRS Stock Holding History

Ken Griffin’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 		$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 $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

Ken Griffin's GHRS Position: Q1 2026 in Review

Ken Griffin 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.

Ken Griffin 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.

  • Ken Griffin held 65,464 shares of GH Research worth $920K as of Q1 2026.
  • Ken Griffin bought 39,206 GH Research shares in Q1 2026, an estimated $602K.
  • GH Research made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #7850 holding.
  • Ken Griffin first reported a position in GH Research in Q2 2021 and has held it in 18 quarters since.
  • Ken Griffin'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.