XT
JBIO

XTX Topco’s Jade Biosciences JBIO Stock Holding History

XTX Topco’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
2026
Q1 		$1.1M Buy
78,108
+49,287
+171% +$714K 0.02% 1334
2025
Q4 		$445K Sell
28,821
-11,476
-28% -$135K 0.01% 1711
2025
Q3 		$348K Buy
40,297
+14,545
+56% +$119K 0.02% 1396
2025
Q2 		$257K Buy
25,752
+25,217
+4,713% +$858K 0.01% 1537
2025
Q1 		$47K Sell
535
-143
-21% -$12.6K ﹤0.01% 2006
2024
Q4 		$62.9K Buy
+678
New +$58.4K 0.01% 1858
2024
Q3 		– Sell
-604
Closed -$35.1K – 2081
2024
Q2 		$35.1K Buy
+604
New +$401K ﹤0.01% 1545

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 $5.72T AUM 30.48% 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

XTX Topco's JBIO Position: Q1 2026 in Review

XTX Topco increased its Jade Biosciences (JBIO) stake by 171% in Q1 2026, buying an estimated $714K and bringing the position to 78,108 shares worth $1.1M. The position accounts for 0.02% of the portfolio, ranked #1334.

XTX Topco first reported a position in JBIO in Q2 2024 and has held it in 7 quarters since. 120 funds tracked by Wall St. Rank hold JBIO as of Q1 2026.

  • XTX Topco held 78,108 shares of Jade Biosciences worth $1.1M as of Q1 2026.
  • XTX Topco bought 49,287 Jade Biosciences shares in Q1 2026, an estimated $714K.
  • Jade Biosciences made up 0.02% of XTX Topco's portfolio in Q1 2026, its #1334 holding.
  • XTX Topco first reported a position in Jade Biosciences in Q2 2024 and has held it in 7 quarters since.
  • 120 funds tracked by Wall St. Rank held Jade Biosciences as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.