Hydrofarm Holdings GroupHYFM
13F holders, Q1 2026 (March 31)20holders −1
2new positions
5sold out
1famous investor
$1.02avg. 13F price*
At the end of Q1 2026, 20 institutions reported holding Hydrofarm Holdings Group Inc. (HYFM) in their 13F filings, down 1 from Q4 2025. 2 opened new positions and 5 sold out. The largest holders were Renaissance Technologies ($74K), Geode Capital Management, LLC ($64K) and BlackRock, Inc. ($51K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Hydrofarm Holdings Group Inc.
- CUSIP
- 44888K407
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $12K |
| Exits | 5 | $93K |
All 13F filers, Q4 2025 → Q1 2026: 26,803 shares bought and 67,018 shares sold, net −40,215 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 20 holders
| Renaissance Technologies | 0.00% | Reduce -0.4% | 72,163 | $74K |
| Geode Capital Management, LLC | 0.00% | Add +31.5% | 62,586 | $64K |
| BlackRock, Inc. | 0.00% | No change | 50,465 | $51K |
| Vanguard Capital Management LLC | 0.00% | — | 39,683 | $40K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 18,082 | $18K |
| State Street Corp. | 0.00% | No change | 16,015 | $16K |
| XTX Topco Ltd | 0.00% | New | 11,784 | $12K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -18.3% | 2,911 | $3K |
| JNBA Financial Advisors | 0.00% | No change | 2,000 | $2K |
| Vanguard Global Advisers, LLC | 0.00% | — | 1,269 | $1K |
| UBS Group AG | 0.00% | Reduce -80.5% | 962 | $981 |
| North Star Investment Management Corp. | 0.00% | No change | 370 | $377 |
| Group One Trading LLC | 0.00% | No change | 338 | $345 |
| BNP Paribas Financial Markets | 0.00% | Add +11.2% | 228 | $233 |
| Osaic Holdings, Inc. | 0.00% | Reduce -11.9% | 221 | $224 |
| Hurley Capital, LLC | 0.00% | No change | 103 | $105 |
| Morgan Stanley | 0.00% | Reduce -65.5% | 90 | $92 |
| Jones Financial Companies LLLP | 0.00% | Reduce -2.6% | 75 | $76 |
| Advisory Services Network, LLC | 0.00% | New | 7 | $7 |
| Royal Bank of Canada | 0.00% | No change | 8 | $0 |
"% of holder's portfolio" is HYFM's weight in each manager's 13F, not the share of Hydrofarm Holdings Group Inc. the manager owns.