Hydrofarm Holdings Group, Inc. (HYFM) Institutional Ownership

Institutions by Trading Activity

4,663,422Shares Outstanding

429,596Shares held by institutions

$412,584Value of institutional holdings

9.21%Institutional ownership %

-11.42%Shares Changed QoQ

22No. of institutional investors

Hydrofarm Holdings Group, Inc. (NASDAQ:HYFM) has 22 institutional investors that have filed 13F reports for the period ending December 2025.

Their combined ownership stood at 9.2% of outstanding shares in December 2025, down from 14.3% in September 2025.
They decreased total shares held in HYFM by -11.42% quarter over quarter, and investors in Hydrofarm Holdings decreased 54.17% from a year ago.
Of these 22 funds, 5 grew their exposure to Hydrofarm Holdings, 9 cut back, and 8 maintained positions.
In total, institutional investors held 429.6K shares in Hydrofarm Holdings as of December 2025, down by 55.38K shares quarter on quarter, and down 6.83Mn shares year over year.
JNBA Financial Advisors is the top holder of Hydrofarm Holdings as of December 31, 2025, with 2.0K shares representing 0.04% of outstanding stock.
Business Quant data shows the 2 biggest positions in Hydrofarm Holdings as of December 2025 are held by JNBA Financial Advisors (2.0K), North Star Investment Management Corp. (370).

429,596 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	123,586	-64,030	-34.13%	$186,615.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	72,463	-1,300	-1.76%	$109,419.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	72,163	-300	-0.41%	$73,606.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	62,586	14,989	31.49%	$63,848.00
BlackRock, Inc.	31 Dec, 2025	50,465	0	0.00%	$76,202.00
BlackRock, Inc.	31 Dec, 2025	50,465	0	0.00%	$51,474.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	47,597	0	0.00%	$71,886.00
Prentice Capital Management, LP	31 Dec, 2025	45,469	0	0.00%	$46,378.00
Prentice Capital Management, LP	31 Dec, 2025	45,469	-2,980	-6.15%	$68,658.00
VANGUARD CAPITAL MANAGEMENT LLC	31 Dec, 2025	39,683	39,683	0.00%	$40,477.00
DRW Securities, LLC	31 Dec, 2025	38,840	28,093	261.40%	$58,648.00
JANE STREET GROUP, LLC	31 Dec, 2025	22,716	22,716	0.00%	$34,301.00
VANGUARD FIDUCIARY TRUST CO	31 Dec, 2025	18,082	18,082	0.00%	$18,444.00
State Street Corp	31 Dec, 2025	16,015	0	0.00%	$24,183.00
State Street Corp	31 Dec, 2025	16,015	0	0.00%	$16,335.00
XTX Topco Ltd	31 Dec, 2025	11,784	11,784	0.00%	$12,020.00
UBS Group AG	31 Dec, 2025	4,925	-38,235	-88.59%	$7,437.00
Tower Research Capital LLC (TRC)	31 Dec, 2025	3,563	3,330	1,429.18%	$5,380.00
Tower Research Capital LLC (TRC)	31 Dec, 2025	2,911	-652	-18.30%	$2,969.00
JNBA Financial Advisors	31 Dec, 2025	2,000	0	0.00%	$3,020.00

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