iSpecimen Inc. - ISPC
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 313,098 | 49 | 0.0% | 0.0% | 1 | +271,504 | 652.75% | Q1 2026 | May 15, 2026 |
| UBS Group AG | History | Added to | 53,744 | 8 | 0.0% | 0.0% | 3 | +47,299 | 733.89% | Q1 2026 | May 05, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 55,631 | 8 | 0.0% | 0.0% | 2 | +41,538 | 294.74% | Q1 2026 | May 12, 2026 |
| CITADEL ADVISORS LLC | History | New | 50,471 | 7 | 0.0% | — | 5 | +50,471 | New | Q1 2026 | May 15, 2026 |
| VANGUARD GROUP INC | History | No change | 29,407 | 7 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 28,170 | 4 | 0.0% | — | 6 | +28,170 | New | Q1 2026 | May 08, 2026 |
| StoneX Group Inc. | History | New | 19,710 | 3 | 0.0% | — | 7 | +19,710 | New | Q1 2026 | May 14, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 6,651 | 1 | 0.0% | 0.0% | 8 | -13 | -0.2% | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -15,063 | -100.0% | Q1 2026 | May 15, 2026 |
| Jump Financial, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,473 | -100.0% | Q1 2026 | May 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 1,237 | 0 | — | — | — | +1,237 | New | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | — | — | -83 | -100.0% | Q1 2026 | May 15, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 19 | 0 | — | — | — | +15 | 375.0% | Q1 2026 | Apr 27, 2026 |
| GILL CAPITAL PARTNERS, LLC | History | New | 15 | 0 | — | — | — | +15 | New | Q1 2026 | Apr 13, 2026 |
| Sachetta, LLC | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 01, 2026 |
| BlackRock, Inc. | History | No change | 2,827 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 13, 2026 |