IspecimenISPC
13F holders, Q3 2025 (September 30)12holders +3
6new positions
3sold out
1famous investor
$1.29avg. 13F price*
At the end of Q3 2025, 12 institutions reported holding Ispecimen Inc. (ISPC) in their 13F filings, up 3 from Q2 2025. 6 opened new positions and 3 sold out. The largest holders were Renaissance Technologies ($198K), Virtu Financial LLC ($82K) and Geode Capital Management, LLC ($54K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Ispecimen Inc.
- CUSIP
- 45032V207
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $382K |
| Exits | 3 | $43K |
All 13F filers, Q2 2025 → Q3 2025: 323,070 shares bought and 47,410 shares sold, net +275,660 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 12 holders
| Renaissance Technologies | 0.00% | New | 153,457 | $198K |
| Virtu Financial LLC | 0.00% | New | 63,257 | $82K |
| Geode Capital Management, LLC | 0.00% | Add +181.5% | 41,690 | $54K |
| Scientech Research LLC | 0.01% | New | 29,488 | $38K |
| Vanguard Group Inc. | 0.00% | New | 29,407 | $38K |
| Jane Street Group, LLC | 0.00% | New | 20,257 | $26K |
| BlackRock, Inc. | 0.00% | No change | 2,827 | $4K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -61.9% | 2,357 | $3K |
| FMR LLC | 0.00% | New | 300 | $387 |
| Bank of America Corp. | 0.00% | Add +104.5% | 45 | $58 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -42.9% | 4 | $5 |
| Sachetta, LLC | 0.00% | No change | 2 | $3 |
"% of holder's portfolio" is ISPC's weight in each manager's 13F, not the share of Ispecimen Inc. the manager owns.