Institutional Ownership
Hydrofarm Hldgs Group Inc
CUSIP 44888K407COMHYFMQ1 2026
13D / 13G Filings
1
Schedule 13D/13G on record
Beneficial Filers
1
Distinct reporting persons
Largest Stake
6.5%
Max % of class reported
Institutional Holders
17
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
1 filings · latest Oct 14, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Oct 14, 2025 | Dumont Global LP | 13D | 6.5% | — | SEC |
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies LLC | 72.2K | $73.6K |
| 2 | Geode Capital Management, LLC | 62.6K | $63.8K |
| 3 | Blackrock, Inc. | 50.5K | $51.5K |
| 4 | State Street Corp | 16.0K | $16.3K |
| 5 | Xtx Topco Ltd | 11.8K | $12.0K |
| 6 | Tower Research Capital LLC (Trc) | 2.9K | $3.0K |
| 7 | Jnba Financial Advisors | 2.0K | $2.0K |
| 8 | Ubs Group AG | 962 | $981 |
| 9 | North Star Investment Management Corp. | 370 | $377 |
| 10 | Group One Trading LLC | 338 | $345 |