Security key
44888K209
HYDROFARM HOLDINGS GROUP, INC. - Common Stock, $0.0001 par value (HYFM)
CUSIP: 44888K209
Q4 2023 13F Holders as of 31 Dec 2023
- Security type / class
- Equity / Common Stock, $0.0001 par value
- Total 13F shares
- 9,754,091
- Total 13F value
- $8,972,482
- Share change
- -426,172
- Put/Call ratio
- 1.7%
- SEC-reported price per share
- $0.92
- Number of holders
- 57
- Value change
- -$550,804
- Number of buys
- 16
- Number of sells
- 32
- Shares outstanding
- 4,632,653
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2023
Institutions
57
Top holders
10
HYFM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
HYDROFARM HOLDINGS GROUP, INC. SEC filings
HYDROFARM HOLDINGS GROUP, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 44888K209
Recent filing periods:
Ownership snapshot
Top reported holders of HYFM - HYDROFARM HOLDINGS GROUP, INC. - Common Stock, $0.0001 par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
30 Sep 2023
13F
Lead comparable stake: 34%
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 34%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD GROUP INC's linked filing trail.
Comparable ownership
Top 5
VANGUARD GROUP INC
34%
Texas Capital Bank Wealth Managem...
29%
T. Rowe Price Investment Manageme...
17%
RENAISSANCE TECHNOLOGIES LLC
14%
BlackRock Finance, Inc.
13%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
34%
|
$1,937,619
1,588,212 shares
|
— | 30 Sep 2023 |
| Texas Capital Bank Wealth Management Services Inc |
13F
Company
|
29%
|
$1,611,045
1,320,529 shares
|
— | 30 Sep 2023 |
| T. Rowe Price Investment Management, Inc. |
13F
Company
|
17%
|
$944,000
773,466 shares
|
— | 30 Sep 2023 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
14%
|
$767,000
628,900 shares
|
— | 30 Sep 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
13%
|
$752,054
616,438 shares
|
— | 30 Sep 2023 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
12%
|
$665,978
545,884 shares
|
— | 30 Sep 2023 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
57
Shares
9,754,091
Rows available
57
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2023 vs Q4 2025 Across Filers
Q4 2025 holders
1
Q4 2023 holders
57
Holder diff
56
| Investor | Q4 2025 Shares | Q4 2023 Shares | Share Diff | Share Chg % | Q4 2025 value | Q4 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend