GRI Bio
8 hedge funds and large institutions have $277K invested in GRI Bio in 2025 Q3 according to their latest regulatory filings, with 3 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and closing their positions.
993% more capital invested
Capital invested by funds: $25.3K → $277K (+$252K)
60% more funds holding
Funds holding: 5 → 8 (+3)
0.16% more ownership
Funds ownership: 0.03% → 0.19% (+0.16%)
0% more repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 1
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DS
DRW Securities
Chicago,
Illinois
|
+$166K |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$28.1K |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
+$20.4K |
| 4 |
TRCT
Tower Research Capital (TRC)
New York
|
+$324 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$25.5K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
DS
1
DRW Securities
Chicago,
Illinois
| $207K | +$166K | +3,593 | New |
|
|
2
Vanguard Group
Malvern,
Pennsylvania
| $35K | +$28.1K | +607 | New |
|
|
3
Geode Capital Management
Boston,
Massachusetts
| $25.5K | +$20.4K | +442 | New |
|
|
TRCT
4
Tower Research Capital (TRC)
New York
| $8.29K | +$324 | +7 | +5% |
|
5
BlackRock
New York
| $435 | – | – | – |
|
|
SS
6
SBI Securities
Tokyo,
Japan
| $241 | – | – | – |
|
|
7
UBS Group
Zurich,
Switzerland
| $56 | -$25.5K | -551 | -100% |
|
8
Bank of America
Charlotte,
North Carolina
| $45 | – | – | – |
|
GRI Hedge Fund Activity: Q3 2025 in Review
8 of the 7,629 institutional investors tracked by Wall St. Rank reported a position in GRI Bio (GRI) for Q3 2025, worth a combined $277K — up 993% from $25.3K a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new GRI positions and 0 closed out — a net gain of 3 holders — while 1 added to existing stakes and 1 trimmed.
The largest buyer was DRW Securities, opening a new position worth an estimated $166K. The largest seller was UBS Group, cutting an estimated $25.5K.
- 8 institutional investors held GRI Bio (GRI) as of Q3 2025, up from 5 in Q2 2025.
- Funds reported $277K of GRI Bio stock for Q3 2025, up 993% quarter-over-quarter.
- 3 funds opened new GRI Bio positions in Q3 2025 and 0 closed out, a net change of +3 holders.
- The largest GRI Bio buyer in Q3 2025 was DRW Securities, an estimated $166K added.
- The largest GRI Bio seller in Q3 2025 was UBS Group, an estimated $25.5K sold.
Based on aggregated 13F filings for Q3 2025.