GRI
GRI Bio (GRI)
NASDAQ
$2.05+$0.04 (+2.19%)
Price as of Jun 03, 2026 6:27 PM EDT
  • $3.6M
    Market Cap
  • -94.68%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
GEODE CAPITAL MANAGEMENT, LLC
20.52%
18,438
+18,438 (+100.00%)
Mar 31, 2026
UBS GROUP AG
9.71%
8,722
+8,722 (+100.00%)
Mar 31, 2026
TOWER RESEARCH CAPITAL LLC (TRC)
1.18%
1,060
+1,060 (+100.00%)
Mar 31, 2026
BLACKROCK, INC.
0.008%
7
+7 (+100.00%)
Mar 31, 2026
SBI SECURITIES CO., LTD.
0.004%
4
-113 (-2,825.00%)
Mar 31, 2026
DANSKE BANK A/S
0.002%
2
+2 (+100.00%)
Mar 31, 2026

Current Ownership Distribution

  • Insiders663,981 (50.10%)
  • Mutual Funds633,204 (47.77%)
  • Institutions28,233 (2.13%)
  • Other0 (0.00%)

Insider Transactions

  • 50.10% (663,981)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Rongen Roelof
Award
Sep 18, 2025
$0.00
23,605
$0.00
23,605
Baker David Charles
Award
Sep 18, 2025
$0.00
23,605
$0.00
23,605
SIMPSON CAMILLA V
Award
Sep 18, 2025
$0.00
23,605
$0.00
23,605
Hertz Walter Marc
Chief Executive Officer
Award
Sep 18, 2025
$0.00
103,067
$0.00
103,067
Szekeres David Leslie
Award
Sep 18, 2025
$0.00
39,897
$0.00
39,897
Chaturvedi Vipin
Chief Scientific Officer
Award
Sep 18, 2025
$0.00
43,222
$0.00
43,222
Baker David Charles
Award
Aug 26, 2025
$0.00
5,994
$0.00
5,994
Rongen Roelof
Award
Aug 26, 2025
$0.00
5,994
$0.00
5,994
Kelly Leanne M.
Chief Financial Officer
Award
Aug 26, 2025
$0.00
11,854
$0.00
11,854
Chaturvedi Vipin
Chief Scientific Officer
Award
Aug 26, 2025
$0.00
11,854
$0.00
11,854
Szekeres David Leslie
Award
Aug 26, 2025
$0.00
10,276
$0.00
10,276
SIMPSON CAMILLA V
Award
Aug 26, 2025
$0.00
5,994
$0.00
5,994
Hertz Walter Marc
Chief Executive Officer
Award
Aug 26, 2025
$0.00
26,688
$0.00
26,688
Rongen Roelof
Award
Aug 13, 2025
$0.00
4,527
$0.00
4,527
Rongen Roelof
Award
Jan 23, 2025
$20,774.65
30,297
$0.69
30,297
Rongen Roelof
Award
Jan 23, 2025
$20,774.65
30,297
$0.69
30,297
Baker David Charles
Award
Jan 23, 2025
$20,774.65
30,297
$0.69
30,297
Baker David Charles
Award
Jan 23, 2025
$20,774.65
30,297
$0.69
30,297
SIMPSON CAMILLA V
Award
Jan 23, 2025
$20,774.65
30,297
$0.69
30,297
SIMPSON CAMILLA V
Award
Jan 23, 2025
$20,774.65
30,297
$0.69
30,297
Szekeres David Leslie
Award
Jan 23, 2025
$35,613.20
51,937
$0.69
51,937
Chaturvedi Vipin
Chief Scientific Officer
Award
Jan 23, 2025
$29,703.84
43,319
$0.69
43,319
Hertz Walter Marc
Chief Executive Officer
Award
Jan 23, 2025
$88,955.86
129,730
$0.69
129,730
Kelly Leanne M.
Chief Financial Officer
Award
Jan 23, 2025
$29,703.84
43,319
$0.69
43,319
Kelly Leanne M.
Chief Financial Officer
Award
Jan 23, 2025
$29,703.84
43,319
$0.69
43,319
Hertz Walter Marc
Chief Executive Officer
Award
Jan 23, 2025
$88,955.86
129,730
$0.69
129,730