Hydrofarm Holdings Group, Inc.
HYFM • NASDAQ
Hydrofarm Holdings Group, Inc. is a agricultural - machinery company in the industrials sector on NASDAQ, led by B. John Lindeman, with a market cap of $9.7M. As of Q3 2025, 14% of shares are held by 27 institutional investors, with VANGUARD GROUP INC as the largest holder at 4.03%.
Chief Executive Officer and Principal Executive OfficerB. John Lindeman
Market Cap$9.7M
Agricultural - Machinery
Industrials
Employees369.0
Websitehydrofarm.com
Country
United States of America
Overview
Overview of institutional ownership in HYFM as of Q3 2025 with a market cap of $15.3M
All Institutions
- Institutions
- 27
- Value Held
- $2.2M
- Shares Held
- 668.8K
- Avg Position
- $81.5K
- Median Position
- $4.7K
Hedge Funds
- Hedge Funds
- 3
- Value Held
- $461.6K
- Shares Held
- 140.3K
- Avg Position
- $153.9K
- Median Position
- $159.4K
Ownership Breakdown
Based on market cap of $15.3M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in HYFM as of Q3 2025
| Institution | Position Value |
|---|---|
 VANGUARD GROUP INC Institution | $617.3K 0.00% of portfolio |
$434.5K 0.04% of portfolio | |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $242.7K 0.00% of portfolio |
B BlackRock, Inc. Institution | $166.0K 0.00% of portfolio |
P Prentice Capital Management, LP Hedge Fund•Long/Short | $159.4K 0.24% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $156.6K 0.00% of portfolio |
 UBS Group AG Institution | $142.0K 0.00% of portfolio |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $110.9K 0.00% of portfolio |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $59.5K 0.00% of portfolio |
 STATE STREET CORP Institution | $52.7K 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for HYFM in Q3 2025
- Traded
- +$72.9K
- Buyers
- 8
- Sellers
- 10
- Total Bought
- +$112.6K
- Total Sold
- −$39.6K
- Avg Position
- $75.9K
Biggest Buyers
| Institution | Net Bought |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$59.5K +18.1K shares |
D DRW Securities, LLC Institution | +$35.4K +10.7K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | +$15.9K +4.8K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$1.3K +400.0 shares |
J JONES FINANCIAL COMPANIES LLLP Institution | +$216.2 +75.0 shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | +$171.1 +52.0 shares |
 BARCLAYS PLC Institution | +$98.0 +30.0 shares |
A Advisory Services Network, LLC RIA/Wealth | +$23.0 +7.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
C Cedar Mountain Advisors, LLC RIA/Wealth | −$26.4K −7.1K shares |
UBS Group AG Institution | −$6.6K −2.0K shares |
 MORGAN STANLEY RIA/Wealth | −$2.9K −882.0 shares |
G GROUP ONE TRADING, L.P. Institution | −$2.8K −865.0 shares |
T Tower Research Capital LLC Institution | −$385.1 −117.0 shares |
P Prentice Capital Management, LP Hedge Fund•Long/Short | −$233.6 −71.0 shares |
B BNP PARIBAS ARBITRAGE, SA Institution | −$187.5 −57.0 shares |
 RAYMOND JAMES FINANCIAL INC RIA/Wealth | −$86.0 −23.0 shares |
A Advisor Group Holdings, Inc. Institution | −$49.5 −12.0 shares |
 BANK OF AMERICA CORP /DE/ Institution | −$16.5 −5.0 shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited HYFM in Q3 2025
- New Positions
- 1
- New Value
- $35.4K
- Exited Positions
- 2
- Exited Value
- $26.5K
New Positions
| Institution | Position Value |
|---|---|
D DRW Securities, LLC Institution | $35.4K 10.7K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
C Cedar Mountain Advisors, LLC RIA/Wealth | $26.4K 7.1K shares |
RAYMOND JAMES FINANCIAL INC RIA/Wealth | $86.0 23.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in HYFM as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with HYFM as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
P Prentice Capital Management, LP Hedge Fund•Long/Short | 0.24% $159.4K |
0.04% $434.5K | |
D DRW Securities, LLC Institution | 0.00% $35.4K |
 JNBA Financial Advisors RIA/Wealth | 0.00% $6.6K |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | 0.00% $242.7K |
 Hurley Capital, LLC RIA/Wealth | 0.00% $339.0 |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | 0.00% $110.9K |
 North Star Investment Management Corp. RIA/Wealth | 0.00% $1.2K |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | 0.00% $59.5K |
G GROUP ONE TRADING, L.P. Institution | 0.00% $1.1K |
Hedge Fund Spotlight
Discover hedge funds investing in HYFM
CITADEL ADVISORS LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerKenneth Cordele Griffin
- Portfolio Value
- $122.08B
- Positions
- 5,531
- Last Reported
- Q3 2025
Sector Allocation
Position in Hydrofarm Holdings Group, Inc.
- Market Value
- $59.5K
- Shares Held
- 18.1K
- Portfolio Weight
- 0.00%
- Owned Since
- 2025-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $2.1B | 1.68% | |
Semiconductors Technology | $1.8B | 1.50% | |
Internet Content & Information Communication Services | $1.4B | 1.18% |
