13 institutions reported holding $151,968 of ISPECIMEN INC (ISPC) in SEC 13F filings for 2026-06-30. Largest institutional holders: UBS Group AG ($84,898), JANE STREET GROUP, LLC ($64,697), IFP Advisors, Inc ($1,515), Tower Research Capital LLC (TRC) ($580), BlackRock, Inc. ($188). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | UBS Group AG | $84,898 | 32,037 | Trimmed |
| 2 | JANE STREET GROUP, LLC | $64,697 | 24,414 | Trimmed |
| 3 | IFP Advisors, Inc | $1,515 | 8,200 | New |
| 4 | Tower Research Capital LLC (TRC) | $580 | 219 | Trimmed |
| 5 | BlackRock, Inc. | $188 | 71 | Trimmed |
| 6 | VANGUARD GROUP INC | $82 | 31 | Trimmed |
| 7 | Caitong International Asset Management Co., Ltd | $5 | 2 | New |
| 8 | SBI Securities Co., Ltd. | $3 | 1 | Trimmed |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $0 | 0 | Exited |
| 10 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 11 | Sachetta, LLC | $0 | 0 | Exited |
| 12 | GILL CAPITAL PARTNERS, LLC | $0 | 0 | Exited |
| 13 | StoneX Group Inc. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30