Ken Griffin
JBIO

Ken Griffin’s Jade Biosciences JBIO Stock Holding History

Ken Griffin’s Portfolio JBIO Stock Details JBIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-66
Closed -$5.77K – 12501
2025
Q1 		$5.77K Sell
66
-3,291
-98% -$289K ﹤0.01% 13792
2024
Q4 		$311K Buy
3,357
+1,971
+142% +$170K ﹤0.01% 9573
2024
Q3 		$101K Buy
1,386
+1,069
+337% +$69K ﹤0.01% 11095
2024
Q2 		$18.4K Buy
+317
New +$210K ﹤0.01% 12714

Other funds holding JBIO

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
FFM
Fairmount Funds Management West Conshohocken, Pennsylvania $1.38B AUM 407.79% 1-Year Est. Return
APM
Avidity Partners Management Dallas, Texas $936M AUM 195% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return
VA
VR Adviser New York $2.68B AUM 422.73% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return

Ken Griffin's JBIO Position: Q1 2026 in Review

Ken Griffin increased its Jade Biosciences (JBIO) stake by 281% in Q1 2026, buying an estimated $1.46M and bringing the position to 137,222 shares worth $1.93M. The position accounts for ﹤0.01% of the portfolio, ranked #6137.

Ken Griffin first reported a position in JBIO in Q2 2021 and has held it in 12 quarters since. The position peaked at $45.8M in Q4 2022. 120 funds tracked by Wall St. Rank hold JBIO as of Q1 2026.

  • Ken Griffin held 137,222 shares of Jade Biosciences worth $1.93M as of Q1 2026.
  • Ken Griffin bought 101,167 Jade Biosciences shares in Q1 2026, an estimated $1.46M.
  • Jade Biosciences made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #6137 holding.
  • Ken Griffin first reported a position in Jade Biosciences in Q2 2021 and has held it in 12 quarters since.
  • Ken Griffin's Jade Biosciences position peaked at $45.8M in Q4 2022.
  • 120 funds tracked by Wall St. Rank held Jade Biosciences as of Q1 2026.

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