7 institutions reported holding $46,000 of TDH HLDGS INC (PETZ) in SEC 13F filings for 2026-03-31. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($16,548), RENAISSANCE TECHNOLOGIES LLC ($15,006), CITADEL ADVISORS LLC ($14,078), UBS Group AG ($262), GROUP ONE TRADING LLC ($62). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $16,548 | 13,790 | Trimmed |
| 2 | RENAISSANCE TECHNOLOGIES LLC | $15,006 | 12,300 | Trimmed |
| 3 | CITADEL ADVISORS LLC | $14,078 | 11,732 | Trimmed |
| 4 | UBS Group AG | $262 | 215 | Trimmed |
| 5 | GROUP ONE TRADING LLC | $62 | 52 | Hold |
| 6 | SBI Securities Co., Ltd. | $44 | 36 | Hold |
| 7 | Royal Bank of Canada | $0 | 245 | Added |
Source: SEC Form 13F filings · as of 2026-03-31