Adage Capital Partners
JBIO

Adage Capital Partners’s Jade Biosciences JBIO Stock Holding History

Adage Capital Partners’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
Q2 		$42.5M Buy
+1,910,812
New +$39.9M 0.06% 318
2022
Q4 		– Sell
-2,286
Closed -$1.33M – 984
2022
Q3 		$1.33M Sell
2,286
-571
-20% -$381K ﹤0.01% 879
2022
Q2 		$1.56M Hold
2,857
– – ﹤0.01% 894
2022
Q1 		$1.83M Buy
+2,857
New +$1.11M ﹤0.01% 904

Other funds holding JBIO

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
FFM
Fairmount Funds Management West Conshohocken, Pennsylvania $1.51B AUM 546.08% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
VA
VR Adviser New York $3.3B AUM 525.74% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.75B AUM 68.58% 1-Year Est. Return
PBA
Paradigm Biocapital Advisors New York $5.34B AUM 380.18% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Adage Capital Partners's JBIO Position: Q2 2026 in Review

Adage Capital Partners opened a new position in Jade Biosciences (JBIO) in Q2 2026: 1,910,812 shares worth $42.5M. The stake represents 0.06% of the portfolio and ranks #318 among its holdings. This is a return to the name: Adage Capital Partners previously reported a position in JBIO as recently as Q3 2022.

Adage Capital Partners first reported a position in JBIO in Q1 2022 and has held it in 4 quarters since. 154 funds tracked by Wall St. Rank hold JBIO as of Q2 2026.

  • Adage Capital Partners held 1,910,812 shares of Jade Biosciences worth $42.5M as of Q2 2026.
  • Jade Biosciences was a new Adage Capital Partners position in Q2 2026.
  • Jade Biosciences made up 0.06% of Adage Capital Partners's portfolio in Q2 2026, its #318 holding.
  • Adage Capital Partners first reported a position in Jade Biosciences in Q1 2022 and has held it in 4 quarters since.
  • 154 funds tracked by Wall St. Rank held Jade Biosciences as of Q2 2026.

Based on Adage Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.