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.
Q4 2025 vs. Q3 2025
How the institutions holding iSpecimen Inc. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Q4 2025 | Change |
|---|---|---|---|
| Holders | 12 | 11 | −1 |
| Shares | 343.1K | 126.7K | −216.4K (−63.1%) |
| Value | $443.0K | $32.9K | −$410.0K (−92.6%) |
New holders (3)
Institutions that held iSpecimen Inc. at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Susquehanna International Group, LLP | 15,063 | $3.92K | 0.00% |
| Jump Financial, LLC | 10,473 | $2.72K | 0.00% |
| UBS Group AG | 6,445 | $1.68K | 0.00% |
Sold out (4)
Institutions that held iSpecimen Inc. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Renaissance Technologies LLC | 153,457 | $198.0K |
| Virtu Financial LLC | 63,257 | $82.0K |
| Scientech Research LLC | 29,488 | $38.0K |
| FMR LLC | 300 | $387 |