3 institutions reported holding $5.0M of TURTLE BEACH CORP (HEAR) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($2.9M), SIMPLEX TRADING, LLC ($1.4M), IMC-Chicago, LLC ($684,750). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $2.9M | 235,100 | Added |
| 2 | SIMPLEX TRADING, LLC | $1.4M | 109,700 | Added |
| 3 | IMC-Chicago, LLC | $684,750 | 55,000 | Added |
Source: SEC Form 13F filings · as of 2026-06-30