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Hydrofarm Holdings Group Inc (HYFM)

CUSIP: 44888K407 | NYSE | Industrials · Farm & Heavy Construction Machinery | Micro Cap | 40 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptionsShort Interest13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13GDG Capital Management, LLC
with DG Value Partners II Master Fund, LP
1,337,4569.9%New 5%+ stakeOct 27, 2026Not yet in a 13F
13DDumont Global LP

Institutional Holders — Q3 2026

Geode Capital Management, LLC48,125
0.0% of portfolio›$46.2K
Compass Ion Advisors, LLC10,753
0.0% of portfolio›$10.3K
UBS Group AG6,716
0.0% of portfolio›$6.4K
Citigroup Inc1,506
0.0% of portfolio›$1.4K
North Star Investment Management Corp.370
0.0% of portfolio›$355
Group One Trading LLC338
0.0% of portfolio›$324
Hurley Capital, LLC103
0.0% of portfolio›$99
Barclays PLC1
0.0% of portfolio›$1
StyleTurnoverLocationFiled
Geode Capital Management, LLC
48,125$46.2K0.0%IndexVery LowBoston, MA2026-11-06
Compass Ion Advisors, LLC
10,753$10.3K0.0%ETFVery LowConshohocken, PA2026-10-23
UBS Group AG
6,716$6.4K0.0%CoreMediumZurich, Switzerland2026-11-10
Citigroup Inc
1,506$1.4K0.0%CoreMediumNew York, NY2026-11-04
North Star Investment Management Corp.
370$3550.0%ValueLowChicago, IL2026-10-27
Group One Trading LLC
338$3240.0%ValueVery HighChicago, IL2026-11-10
Hurley Capital, LLC
103$990.0%ETFLowNew York, NY2026-11-05
Barclays PLC
1$10.0%GrowthMediumLondon, United Kingdom2026-11-06
305,000
6.5%
New 5%+ stake
Oct 1, 2025
Not yet in a 13F
13GDG Capital Management, LLC1,337,456
9.9% of class · Oct 27, 2026New 5%+ stake
with DG Value Partners II Master Fund, LP
Not yet in a 13F
13DDumont Global LP305,000
6.5% of class · Oct 1, 2025New 5%+ stake
Not yet in a 13F