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Equibles

Tower Research Capital LLC (TRC)

Position in GRI — GRI Bio, Inc.

CIK 1533421 NEW YORK, NY
Back to GRI Full portfolio

Position in GRI

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$4,308
+$1,881 QoQ
Shares Held
2,434
+129.6% QoQ
Ownership
0.111%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#7
of 11 holders
Holding Since
Jun 2021
20 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in GRI Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Tower Research Capital LLC (TRC) holds $49,731,131 across 466 Biotechnology names. GRI ranks #373 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ARGX
Argenx SE
 4,547 $4,218,570
2 BBIO
BridgeBio Pharma, Inc.
 38,206 $2,845,582
3 ARWR
Arrowhead Pharmaceuticals, Inc.
 34,537 $2,815,110
4 VRTX
Vertex Pharmaceuticals Inc / Ma
 4,292 $2,131,964
5 MDGL
Madrigal Pharmaceuticals, Inc.
 3,927 $2,108,602
6 AXSM
Axsome Therapeutics, Inc.
 6,437 $1,575,584
7 INSM
INSMED Inc
 10,927 $1,165,036
8 ROIV
Roivant Sciences Ltd.
 32,746 $1,158,880

All Filings in GRI

Export CSV
13 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,308 2,434
2026-03-31 $2,427 1,060
2025-12-31 $704 2,854
2025-09-30 $8,288 4,024
2025-06-30 $4,945 3,834
2025-03-31 $4,073 1,273
2024-12-31 $2,889 3,490
2024-09-30 $1,611 4,464
2024-06-30 $591 308
2024-03-31 $4,580 6,027
2023-12-31 $2,482 6,447
2023-09-30 $11,518 7,431
2023-06-30 $11,184 2,577