Delisting riskPopularity #4,869
Hydrofarm (HYFM)
Manufacturer-distributor of hydroponic and controlled-environment agriculture supplies.
$0.9852
vs last close+0.01 (+0.54%)
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13F · 13D/G · Form 4
| Institutions | 6.29% | 303.0K shares | |
|---|---|---|---|
| 21 holders · as of Jun 30, 2026 | |||
| Insiders | 30.27% | 1.46M shares | |
| 11 holders · as of Aug 11, 2026 | |||
| Other | 63.44% | 3.06M shares | |
| remainder | |||
4.82M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
21 holders · 303.0K shares · 4 new positions · 7 increased · 3 reduced · 2 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Renaissance Technologies LLC | 70.4K | 1.46% | −1.8K | Aug 13, 2026 |
| BlackRock, Inc. | 50.5K | 1.05% | 0 | Aug 7, 2026 |
| Vanguard Capital Management LLC | 39.7K | 0.82% | 0 | Aug 13, 2026 |
| Geode Capital Management, LLC | 33.7K | 0.70% | −28.9K | Aug 12, 2026 |
| Citadel Advisors LLC | 24.0K | 0.50% | +24.0Knew | Sep 2, 2026 |
| Vanguard Fiduciary Trust Co | 18.1K | 0.38% | 0 | Aug 13, 2026 |
| State Street Corp | 16.0K | 0.33% | 0 | Aug 7, 2026 |
| Virtu Financial LLC | 14.7K | 0.30% | +14.7Knew | Aug 13, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Bogaczyk Janusz Michal | 9.80% | 454.0K | 13G | Mar 25, 2025 |
| Dumont Master Fund LPincl. Christopher Richard Yetter, Dumont Global LP +1 more | 6.55% | 305.0K | 13D | Oct 14, 2025 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jan 6, 2026 | Kevin Patrick O'Brienofficer: Chief Financial Officer | Sale | 1,150 | $1.51 | 13,222 |
| Dec 5, 2025 | Melisa Denisdirector | Sale | 120 | $1.92 | 58,423 |
| Dec 4, 2025 | Melisa Denisdirector | Sale | 2,875 | $1.88 | 58,543 |
House and Senate disclosures
Not reported.