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The company

Hydrofarm Holdings Group, Inc.

HYFM · Nasdaq

IndustrialsDistributors & WholesaleNot moving yet

HYFM stood above a rising 150-day average in 0 of the last 52 weekly readings. It is 21.7% below that average now. Distributors & Wholesale: 40% of its 78 stocks in an uptrend (+10 points in four weeks); Industrials: 27% (−4 points in four weeks).

SEC filings

Statistics

Rotation: Not moving yet
Weeks in an uptrend: out for 52
Industry in uptrend: 40% +10 in 4 wk
Insider buys, 12 months: $0
Insider sales, 12 months: $9,108
Officials’ trades on record: 0
Institutions holding: 21 (+1)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 0 of 52 weeks.

17 Apr – 16 Oct

Distributors & Wholesale: A minority of its stocks are in an uptrend and the share has climbed sharply over four weeks. Industrials: A minority of its stocks are in an uptrend and the share has been slipping.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

No member of Congress or official has disclosed a trade in it.

Insiders

Buy orders, 12 months0

Sale orders, 12 months3

Buyers · sellers0 · 2

Who	Did	Shares	Traded
Kevin Patrick O'BrienChief Financial Officer	sold	1,150at $1.51	6 Jan 2026filed 8 Jan 2026

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders21+1 on the quarter

New · exited3 · 2

Reported value$258K

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
RENAISSANCE TECHNOLOGIES LLCreduced · filed 13 Aug 2026	70,363$60K	-1,800−2.5%
BlackRock, Inc.unchanged · filed 7 Aug 2026	50,465$43K	00.0%
VANGUARD CAPITAL MANAGEMENT LLCunchanged · filed 13 Aug 2026	39,683$34K	00.0%
GEODE CAPITAL MANAGEMENT, LLCreduced · filed 12 Aug 2026	33,658$29K	-28,928−46.2%
CITADEL ADVISORS LLCnew · filed 14 Aug 2026	23,985$20K	+23,985
VANGUARD FIDUCIARY TRUST COunchanged · filed 13 Aug 2026	18,082$15K	00.0%
STATE STREET CORPunchanged · filed 7 Aug 2026	16,015$14K	00.0%
Prentice Capital Management, LPreduced · filed 14 Aug 2026	14,736$13K	-30,733−67.6%
Compass Ion Advisors, LLCnew · filed 12 Aug 2026	10,753$9,137	+10,753
SUSQUEHANNA INTERNATIONAL GROUP, LLPnew · filed 14 Aug 2026	10,613$9,018	+10,613