# HYDROFARM HLDGS GROUP INC COM

HYDROFARM HLDGS GROUP INC COM is a security (CUSIP 44888K407) tracked across SEC portfolio filings. 19 institutional managers reported $411K on Form 13F as of 2026-06-30; 2 registered fund positions totaling $41K via N-PORT as of 2026-05-29.

## Summary

- Issuer: HYDROFARM HLDGS GROUP INC
- Class: COM
- CUSIP: 44888K407
- Asset category: EC
- 13F holders: 19
- 13F value: $411K
- 13F period: 2026-06-30
- N-PORT fund positions: 2
- N-PORT value: $41K
- N-PORT report: 2026-05-29

## Top institutional holders (Form 13F)

_Showing 15 of 19 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $187K | 123,586 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $74K | 72,163 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $64K | 62,586 |
| BlackRock, Inc. | New York, NY | $51K | 50,465 |
| STATE STREET CORP | BOSTON, MA | $16K | 16,015 |
| XTX Topco Ltd | LONDON, X0 | $12K | 11,784 |
| Tower Research Capital LLC (TRC) | NEW YORK, NY | $3K | 2,911 |
| [JNBA Financial Advisors](https://search.stillhousedata.com/firm/106550) | BLOOMINGTON, MN | $2K | 2,000 |
| UBS Group AG | Zurich, V8 | $981 | 962 |
| [GROUP ONE TRADING, L.P.](https://search.stillhousedata.com/firm/37484) | CHICAGO, IL | $345 | 338 |
| North Star Investment Management Corp. | CHICAGO, IL | $314 | 370 |
| BNP PARIBAS ARBITRAGE, SNC | PARIS, I0 | $233 | 228 |
| OSAIC HOLDINGS, INC. | PHOENIX, AZ | $224 | 221 |
| [Hurley Capital, LLC](https://search.stillhousedata.com/firm/130051) | NEW YORK, NY | $105 | 103 |
| MORGAN STANLEY | NEW YORK, NY | $92 | 90 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $40K | 0.00% |
| Guggenheim Active Allocation Fund | Guggenheim Active Allocation Fund | $45 | 0.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/44888K407.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.