DOSSIER · 13F Holders · Q2 2026
HYFM

HYDROFARM HLDGS GROUP INC

22 institutions still hold HYDROFARM HLDGS GROUP INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 44888K407·22 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$245K
visible holders
Holders
22
filers reporting
Concentration
24.40%
RENAISSANCE TECHNOLOGIES LLC #1
top holder share
AI Holders Summary · Q2 2026

22 institutions reported HYFM in Q2 2026. RENAISSANCE TECHNOLOGIES LLC leads at 24.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$60K70K0.00%Q2 2026
02
BlackRock, Inc.
CIK 0002012383
$43K50K0.00%Q2 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$34K40K0.00%Q2 2026
04
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$29K34K0.00%Q2 2026
05
CITADEL ADVISORS LLC
CIK 0001423053
$20K24K0.00%Q2 2026
06
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$15K18K0.00%Q2 2026
07
STATE STREET CORP
CIK 0000093751
$14K16K0.00%Q2 2026
08
Compass Ion Advisors, LLC
CIK 0001621100
$9K11K0.00%Q2 2026
09
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$9K11K0.00%Q2 2026
10
Tower Research Capital LLC (TRC)
CIK 0001533421
$5K5K0.00%Q2 2026
11
UBS Group AG
CIK 0001610520
$4K4K0.00%Q2 2026
12
JNBA Financial Advisors
CIK 0001569118
$2K2K0.00%Q2 2026
13
Vanguard Global Advisers, LLC
CIK 0001811242· Index
$1K1K0.00%Q2 2026
14
OSAIC HOLDINGS, INC.
CIK 0001677044
$4265030.00%Q2 2026
15
North Star Investment Management Corp.
CIK 0001342857
$3143700.00%Q2 2026
16
GROUP ONE TRADING LLC
CIK 0000932540
$2873380.00%Q2 2026
17
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$1681980.00%Q2 2026
18
Hurley Capital, LLC
CIK 0001632844
$881030.00%Q2 2026
19
MORGAN STANLEY
CIK 0000895421
$77900.00%Q2 2026
20
JONES FINANCIAL COMPANIES LLLP
CIK 0000815917
$59750.00%Q2 2026
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Insiders at HYDROFARM HLDGS GROUP INC
Denis MelisaPersofsky RenahChung PatrickYetter Richard ChristopherO'Brien Kevin PatrickParker Mark SToler William DouglasLindeman Bruce John