AllianceBernstein’s Jade Biosciences JBIO Stock Holding History

AllianceBernstein’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	$700K	Hold	45,334	–	–	﹤0.01%	2490
2025 Q4	$700K	Buy	45,334 +33,280	+276%	+$390K	﹤0.01%	2499
2025 Q3	$104K	Hold	12,054	–	–	﹤0.01%	3175
2025 Q2	$120K	Buy	12,054 +10,057	+504%	+$342K	﹤0.01%	3145
2025 Q1	$175K	Hold	1,997	–	–	﹤0.01%	2961
2024 Q4	$185K	Hold	1,997	–	–	﹤0.01%	3035
2024 Q3	$146K	Hold	1,997	–	–	﹤0.01%	3083
2024 Q2	$116K	Buy	1,997 +1,623	+434%	+$1.08M	﹤0.01%	3106
2024 Q1	$387K	Hold	374	–	–	﹤0.01%	2698
2023 Q4	$296K	Buy	374 +18	+5%	+$9.17K	﹤0.01%	2851
2023 Q3	$169K	Buy	356 +21	+6%	+$11.4K	﹤0.01%	2994
2023 Q2	$201K	Buy	+335	New	+$214K	﹤0.01%	2982

Other funds holding JBIO

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

Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return

VR Adviser New York $2.68B AUM 422.73% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

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

AllianceBernstein's JBIO Position: Q1 2026 in Review

AllianceBernstein held its Jade Biosciences (JBIO) position steady in Q1 2026 at 45,334 shares worth $700K. The position accounts for ﹤0.01% of the portfolio, ranked #2490.

AllianceBernstein first reported a position in JBIO in Q2 2023 and has held it in 12 quarters since. 120 funds tracked by Wall St. Rank hold JBIO as of Q1 2026.

AllianceBernstein held 45,334 shares of Jade Biosciences worth $700K as of Q1 2026.
AllianceBernstein left its Jade Biosciences share count unchanged in Q1 2026.
Jade Biosciences made up ﹤0.01% of AllianceBernstein's portfolio in Q1 2026, its #2490 holding.
AllianceBernstein first reported a position in Jade Biosciences in Q2 2023 and has held it in 12 quarters since.
120 funds tracked by Wall St. Rank held Jade Biosciences as of Q1 2026.

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