GRI | GRI Bio | Owners

S&P 500$7,666.45
+0.19%
2m
DOW 30$50,926.56
+0.04%
2m
NASDAQ 100$30,501.56
+0.31%
2m
Russell 2000$279.02
+0.41%
2m
Russell 1000$416.97
+0.20%
2m
S&P 400$3,633.16
+1.03%
2m
S&P 600$1,665.65
+0.65%
2m

GRI Bio (GRI)

NASDAQ

$2.02+$0.06 (+3.06%)

Price as of Oct 02, 2026 6:02 PM EDT

$4.3M
Market Cap
-96.45%
1-Year Change
Biotechnology
Industry

Top Holders

Institutional

Mutual Funds

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
HRT FINANCIAL LP	1.32%	28,784	+28,784 (+100.00%)	Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC	0.98%	21,368	+21,368 (+100.00%)	Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC	0.63%	13,869	-4,569 (-32.94%)	Jun 30, 2026
CITADEL ADVISORS LLC	0.61%	13,376	+13,376 (+100.00%)	Jun 30, 2026
MORGAN STANLEY	0.40%	8,737	+8,737 (+100.00%)	Jun 30, 2026
UBS GROUP AG	0.23%	4,920	-3,802 (-77.28%)	Jun 30, 2026
TOWER RESEARCH CAPITAL LLC (TRC)	0.11%	2,434	+1,374 (+56.45%)	Jun 30, 2026

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
VANGUARD INDEX FUNDS	1.70%	37,078	0 (0.00%)	Jun 30, 2026
FIDELITY CONCORD STREET TRUST	0.68%	14,868	0 (0.00%)	Jul 31, 2026

Current Ownership Distribution

Mutual Funds714,886 (32.70%)
Other685,431 (31.35%)
Insiders663,981 (30.37%)
Institutions121,817 (5.57%)

Insider Transactions

30.37% (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
Hertz Walter Marc Chief Executive Officer	Award	Jan 23, 2025	$88,955.86	129,730	$0.69	129,730
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
Rongen Roelof	Award	Jan 23, 2025	$20,774.65	30,297	$0.69	30,297
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