American Century Companies
JBIO

American Century Companies’s Jade Biosciences JBIO Stock Holding History

American Century Companies’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 		$469K Buy
+33,369
New +$483K ﹤0.01% 2531
2024
Q2 		– Sell
-204
Closed -$211K – 2882
2024
Q1 		$211K Buy
+204
New +$156K ﹤0.01% 2752

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

American Century Companies's JBIO Position: Q1 2026 in Review

American Century Companies opened a new position in Jade Biosciences (JBIO) in Q1 2026: 33,369 shares worth $469K. The stake represents ﹤0.01% of the portfolio and ranks #2531 among its holdings. This is a return to the name: American Century Companies previously reported a position in JBIO as recently as Q1 2024.

American Century Companies first reported a position in JBIO in Q1 2024 and has held it in 2 quarters since. 120 funds tracked by Wall St. Rank hold JBIO as of Q1 2026.

  • American Century Companies held 33,369 shares of Jade Biosciences worth $469K as of Q1 2026.
  • Jade Biosciences was a new American Century Companies position in Q1 2026.
  • Jade Biosciences made up ﹤0.01% of American Century Companies's portfolio in Q1 2026, its #2531 holding.
  • American Century Companies first reported a position in Jade Biosciences in Q1 2024 and has held it in 2 quarters since.
  • 120 funds tracked by Wall St. Rank held Jade Biosciences as of Q1 2026.

Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.