iSpecimen Inc.
ISPC- Exchange
- Nasdaq
- Industry
- Services-Commercial Physical & Biological Research
- SEC CIK
- 0001558569
No open-market purchases or sales by iSpecimen Inc. insiders were filed in the last 90 days; 8 institutions reported holding it in 13F filings for Q2 2026, worth $152.0K in total; no superinvestor holds it.
Q3 2025 vs. Q2 2025
How the institutions holding iSpecimen Inc. changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 9 | 12 | +3 |
| Shares | 67.4K | 343.1K | +275.7K (+408.8%) |
| Value | $66.1K | $443.0K | +$376.9K (+570.4%) |
New holders (6)
Institutions that held iSpecimen Inc. at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Renaissance Technologies LLC | 153,457 | $198.0K | 0.00% |
| Virtu Financial LLC | 63,257 | $82.0K | 0.00% |
| Scientech Research LLC | 29,488 | $38.0K | 0.01% |
| Vanguard Group Inc | 29,407 | $37.9K | 0.00% |
| Jane Street Group, LLC | 20,257 | $26.1K | 0.00% |
| FMR LLC | 300 | $387 | 0.00% |
Sold out (3)
Institutions that held iSpecimen Inc. at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Citadel Advisors LLC | 19,464 | $19.1K |
| UBS Group AG | 14,030 | $13.8K |
| XTX Topco Ltd | 10,084 | $9.88K |