GRI Bio

GRI · NASDAQ

$1.46+$0.01 (+0.69%)TodayMarket closed ·
Prev close $1.45

Who owns GRI

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 5.7% of GRI’s shares.

  • HRT Financial LP1.6%
  • Vanguard Capital Management, LLC1.2%
  • Geode Capital Management, L.L.C.0.8%
  • Citadel Advisors LLC0.8%
  • Next 6 largest institutions1.4%
  • All other shareholders94.3%
Top institutional holders of GRI
HolderShares% of shares
HRT Financial LP28.78K1.63%
Vanguard Capital Management, LLC21.37K1.21%
Geode Capital Management, L.L.C.13.87K0.78%
Citadel Advisors LLC13.38K0.76%
Morgan Stanley Smith Barney LLC8.74K0.49%
Intracoastal Capital, L.L.C.8.19K0.46%
UBS Switzerland AG4.92K0.28%
Tower Research Capital LLC2.43K0.14%
Barclays Capital Inc.830.00%
BlackRock Institutional Trust Company, N.A.70.00%

Largest mutual fund holders

Top mutual fund holders of GRI
HolderShares% of shares
Vanguard Extended Market Index Fund21.37K1.21%
Fidelity Extended Market Index Fund9.17K0.52%
Fidelity Series Total Market Index Fund8720.05%

Short interest

Settled Sep 30, 2026

Shares short
69.43K
Days to cover
1.00
% of shares outstanding
3.92%
Average daily volume
98.51K
Change since last report
−40.7%

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