GRI Bio Ownership | Who Owns GRI Bio?

GRI Bio Ownership Summary

GRI Bio is owned by 2.28% institutional investors, 0.46% insiders, and 97.26% retail investors. Fidelity Extended Market Index is the top mutual fund, with 0.95% of its assets in GRI Bio shares.

GRI Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	GRI Bio	2.28%	0.46%	97.26%
Sector	Healthcare Stocks	35.58%	11.87%	52.55%
Industry	Biotech Stocks	35.75%	11.83%	52.41%

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	6	500.00%	28,233	24030.77%	2	338712775.00%	5	400.00%	1	-
Dec 31, 2025	1	-	117	-	-	-	1	-	-	-

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Fidelity Extended Market Index	13.76K	0.95%	5.99K
Spartan Extended Market Index Pool F	3.77K	0.26%	3.77K
Fidelity Series Total Market Index	872.00	0.06%	775.00
Spartan Total Market Index Pool G	35.00	0.00%	-

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	-
2025 Q1	-	-

GRI Ownership FAQ

Who Owns GRI Bio?

GRI Bio shareholders are primarily institutional investors at 2.27%, followed by 0.46% insiders and 97.27% retail investors. The average institutional ownership in GRI Bio's industry, Biotech Stocks , is 35.75%, which GRI Bio falls below.

Does Blackrock own GRI Bio?

BlackRock is not among the top 10 institutional shareholders of GRI Bio.

Who is the top mutual fund holder of GRI Bio shares?

Fidelity Extended Market Index is the top mutual fund holder of GRI Bio shares, with 0.95% of its total shares outstanding invested in 13.76K GRI Bio shares.

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