23 institutions reported holding $269,542 of HYDROFARM HLDGS GROUP INC (HYFM) in SEC 13F filings for 2026-06-30. Largest institutional holders: RENAISSANCE TECHNOLOGIES LLC ($59,788), VANGUARD GROUP INC ($50,180), BlackRock, Inc. ($42,880), GEODE CAPITAL MANAGEMENT, LLC ($28,608), CITADEL ADVISORS LLC ($20,380). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RENAISSANCE TECHNOLOGIES LLC | $59,788 | 70,363 | Trimmed |
| 2 | VANGUARD GROUP INC | $50,180 | 59,034 | Hold |
| 3 | BlackRock, Inc. | $42,880 | 50,465 | Hold |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $28,608 | 33,658 | Trimmed |
| 5 | CITADEL ADVISORS LLC | $20,380 | 23,985 | New |
| 6 | STATE STREET CORP | $13,608 | 16,015 | Hold |
| 7 | Prentice Capital Management, LP | $12,521 | 14,736 | Trimmed |
| 8 | Virtu Financial LLC | $12,000 | 14,696 | New |
| 9 | Compass Ion Advisors, LLC | $9,137 | 10,753 | New |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $9,018 | 10,613 | New |
| 11 | Tower Research Capital LLC (TRC) | $4,622 | 5,439 | Added |
| 12 | UBS Group AG | $3,681 | 4,331 | Added |
| 13 | JNBA Financial Advisors | $1,700 | 2,000 | Hold |
| 14 | OSAIC HOLDINGS, INC. | $426 | 503 | Added |
| 15 | North Star Investment Management Corp. | $314 | 370 | Hold |
| 16 | GROUP ONE TRADING LLC | $287 | 338 | Hold |
| 17 | BNP PARIBAS FINANCIAL MARKETS | $168 | 198 | Trimmed |
| 18 | Hurley Capital, LLC | $88 | 103 | Hold |
| 19 | MORGAN STANLEY | $77 | 90 | Hold |
| 20 | JONES FINANCIAL COMPANIES LLLP | $59 | 75 | Hold |
| 21 | Royal Bank of Canada | $0 | 8 | Hold |
| 22 | Advisory Services Network, LLC | $0 | 0 | Exited |
| 23 | XTX Topco Ltd | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30