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 Q2	$665K	Buy	47,330 +1,996	+4%	+$41.6K	﹤0.01%	2572
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 $2.3T AUM 54.33% 1-Year Est. Return

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

VR Adviser New York $3.3B AUM 525.74% 1-Year Est. Return

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 New York $6.73T AUM 46.02% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

AllianceBernstein's JBIO Position: Q2 2026 in Review

AllianceBernstein increased its Jade Biosciences (JBIO) stake by 4.4% in Q2 2026, buying an estimated $41.6K and bringing the position to 47,330 shares worth $665K. The position accounts for ﹤0.01% of the portfolio, ranked #2572.

AllianceBernstein first reported a position in JBIO in Q2 2023 and has held it in 13 quarters since. The position peaked at $700K in Q1 2026. 154 funds tracked by Wall St. Rank hold JBIO as of Q2 2026.

AllianceBernstein held 47,330 shares of Jade Biosciences worth $665K as of Q2 2026.
AllianceBernstein bought 1,996 Jade Biosciences shares in Q2 2026, an estimated $41.6K.
Jade Biosciences made up ﹤0.01% of AllianceBernstein's portfolio in Q2 2026, its #2572 holding.
AllianceBernstein first reported a position in Jade Biosciences in Q2 2023 and has held it in 13 quarters since.
AllianceBernstein's Jade Biosciences position peaked at $700K in Q1 2026.
154 funds tracked by Wall St. Rank held Jade Biosciences as of Q2 2026.

Based on AllianceBernstein's 13F filing for Q2 2026, filed 14 Aug 2026.