Hydrofarm Holdings
HYFM
27 hedge funds and large institutions have $2.2M invested in Hydrofarm Holdings in 2025 Q3 according to their latest regulatory filings, with 4 funds opening new positions, 4 increasing their positions, 8 reducing their positions, and 2 closing their positions.
100% more first-time investments, than exits
New positions opened: 4 | Existing positions closed: 2
8% more funds holding
Funds holding: 25 → 27 (+2)
0.45% more ownership
Funds ownership: 13.91% → 14.36% (+0.45%)
9% less capital invested
Capital invested by funds: $2.41M → $2.2M (-$214K)
50% less repeat investments, than reductions
Existing positions increased: 4 | Existing positions reduced: 8
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$71.6K |
| 2 |
DS
DRW Securities
Chicago,
Illinois
|
+$42.6K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$19.2K |
| 4 |
Renaissance Technologies
New York
|
+$1.58K |
| 5 |
Jones Financial Companies
Des Peres,
Missouri
|
+$297 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CMA
Cedar Mountain Advisors
Lake Oswego,
Oregon
|
-$26.4K |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$7.9K |
| 3 |
Morgan Stanley
New York
|
-$3.5K |
| 4 |
Group One Trading
Chicago,
Illinois
|
-$3.43K |
| 5 |
TRCT
Tower Research Capital (TRC)
New York
|
-$464 |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
SIS
26
Sound Income Strategies
Ft Lauderdale,
Florida
| $10 | – | – | – |
|
|
SS
27
SBI Securities
Tokyo,
Japan
| $3 | – | – | – |
|
|
CMA
28
Cedar Mountain Advisors
Lake Oswego,
Oregon
| – | -$26.4K | -7,051 | Closed |
|
29
Raymond James Financial
St Petersburg,
Florida
| – | -$86 | -23 | Closed |
|
HYFM Hedge Fund Activity: Q3 2025 in Review
27 of the 7,622 institutional investors tracked by Wall St. Rank reported a position in Hydrofarm Holdings (HYFM) for Q3 2025, worth a combined $2.2M — down 8.9% from $2.41M a quarter earlier.
Buyers outnumbered sellers: 4 funds opened new HYFM positions and 2 closed out — a net gain of 2 holders — while 4 added to existing stakes and 8 trimmed.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $71.6K. The largest seller was Cedar Mountain Advisors, exiting entirely with an estimated $26.4K sold.
- 27 institutional investors held Hydrofarm Holdings (HYFM) as of Q3 2025, up from 25 in Q2 2025.
- Funds reported $2.2M of Hydrofarm Holdings stock for Q3 2025, down 8.9% quarter-over-quarter.
- 4 funds opened new Hydrofarm Holdings positions in Q3 2025 and 2 closed out, a net change of +2 holders.
- The largest Hydrofarm Holdings buyer in Q3 2025 was Citadel Advisors, an estimated $71.6K added.
- The largest Hydrofarm Holdings seller in Q3 2025 was Cedar Mountain Advisors, an estimated $26.4K sold.
Based on aggregated 13F filings for Q3 2025.