Jade Biosciences Ownership | Who Owns Jade Biosciences?

Jade Biosciences Ownership Summary

Jade Biosciences is owned by 40.23% institutional investors, 1.12% insiders, and 58.65% retail investors. Fmr is the largest institutional shareholder, holding 22.59% of JBIO shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.87% of its assets in Jade Biosciences shares.

JBIO Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Jade Biosciences	40.23%	1.12%	58.65%
Sector	Healthcare Stocks	35.78%	11.87%	52.36%
Industry	Biotech Stocks	36.05%	11.82%	52.13%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Fmr	7.09M	22.59%	$99.55M
Fairmount funds management	4.55M	14.52%	$63.98M
Ra capital management	3.67M	11.71%	$51.58M
Bellevue group	3.50M	11.17%	$49.20M
Vr adviser	3.22M	10.27%	$45.25M
Janus henderson group	3.11M	9.90%	$43.56M
Blackrock funding, inc. /de	2.31M	7.38%	$32.51M
Vanguard group	2.10M	5.29%	$32.34M
Baker bros. advisors lp	1.64M	5.23%	$23.06M
Versant venture management	1.53M	4.87%	$21.44M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Versant venture management	1.53M	15.16%	$21.44M
Avidity partners management lp	1.40M	7.73%	$34.18M
Fairmount funds management	4.55M	4.62%	$63.98M
Acorn capital advisors	786.76K	3.14%	$11.05M
Great point partners	964.46K	3.11%	$13.55M
Vr adviser	3.22M	1.69%	$45.25M
Samsara biocapital	968.80K	1.32%	$13.61M
Bellevue group	3.50M	1.17%	$49.20M
Foresite capital management vi	320.00K	0.98%	$4.50M
Opaleye management	427.61K	0.79%	$6.01M

Top Buyers

Holder	Shares	% Assets	Change
Janus henderson group	3.11M	0.02%	3.11M
Acorn capital advisors	786.76K	3.14%	786.76K
Balyasny asset management	402.49K	0.01%	402.49K
Vanguard group	2.10M	0.00%	369.02K
Foresite capital management vi	320.00K	0.98%	320.00K

Top Sellers

Holder	Shares	% Assets	Change
Deep track capital, lp	-	-	-2.28M
Frazier life sciences management	-	-	-1.41M
Rtw investments, lp	573.21K	0.08%	-876.07K
Blackrock funding, inc. /de	2.31M	0.00%	-556.36K
Orbimed advisors	185.01K	0.05%	-346.15K

New Positions

Holder	Shares	% Assets	Change	Value
Janus henderson group	3.11M	0.02%	3.11M	$43.56M
Acorn capital advisors	786.76K	3.14%	786.76K	$11.05M
Balyasny asset management	402.49K	0.01%	402.49K	$5.65M
Foresite capital management vi	320.00K	0.98%	320.00K	$4.50M
Vanguard fiduciary trust	219.50K	0.00%	219.50K	$3.08M

Sold Out

Holder	Change
Principal securities	-5.00
Glenmede investment management, lp	-53.00
Aster capital management (difc)	-95.00
Strs ohio	-900.00
Amalgamated bank	-1.45K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	62	-41.51%	12,616,762	-73.20%	40	0.28%	32	-59.49%	21	61.54%
Dec 31, 2025	75	-1.32%	20,804,363	-34.20%	52	0.82%	55	77.42%	10	-54.55%
Sep 30, 2025	29	-59.15%	6,448,004	-79.55%	22	0.18%	9	-87.14%	14	-
Jun 30, 2025	32	-	6,707,208	-	134,144	-	32	-	-	-

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	1.42M	2.87%	30.00K
Fidelity Growth Compy Commingled Pl S	1.38M	2.80%	967.00
Polar Capital Biotech S Inc	1.07M	2.17%	1.07M
Fidelity Growth Company Fund	1.01M	2.05%	-
Fidelity Advisor Biotechnology I	894.34K	1.81%	-
iShares Russell 2000 ETF	775.08K	1.57%	7.18K
Fidelity Stock Selector Small Cap	693.70K	1.41%	-
Fidelity Select Health Care	640.00K	1.30%	240.00K
Fidelity Small Cap Growth	516.01K	1.05%	-
Fidelity Series Small Cap Opps	495.80K	1.01%	-5.60K

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 16, 2025	Frohlich Tom	Chief Executive Officer	Buy	$44.40K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	-
2026 Q1	-	-
2025 Q4	-	-
2025 Q3	-	-
2025 Q2	1	-

JBIO Ownership FAQ

Who Owns Jade Biosciences?

Jade Biosciences shareholders are primarily institutional investors at 40.23%, followed by 1.12% insiders and 58.65% retail investors. The average institutional ownership in Jade Biosciences's industry, Biotech Stocks , is 36.05%, which Jade Biosciences exceeds.

Who owns the most shares of Jade Biosciences?

Jade Biosciences’s largest shareholders are Fmr (7.09M shares, 22.59%), Fairmount funds management (4.55M shares, 14.52%), and Ra capital management (3.67M shares, 11.71%). Together, they hold 48.82% of Jade Biosciences’s total shares outstanding.

Does Blackrock own Jade Biosciences?

BlackRock is not among the top 10 institutional shareholders of Jade Biosciences.

Who is Jade Biosciences’s biggest shareholder by percentage of total assets invested?

Versant venture management is Jade Biosciences’s biggest shareholder by percentage of total assets invested, with 15.16% of its assets in 1.53M Jade Biosciences shares, valued at 21.44M$.

Who is the top mutual fund holder of Jade Biosciences shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Jade Biosciences shares, with 2.87% of its total shares outstanding invested in 1.42M Jade Biosciences shares.

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