ISPC — ISPECIMEN INC
As of Q2 2026, 2 SEC-registered investment managers reported holding ISPC (ISPECIMEN INC) in their latest 13F filings, with a combined reported value of $85.09K across 32.11K shares. That is -92.4% by share count (-388.03K shares) versus the previous quarter, while reported value moved +29.0%. Ownership is concentrated: the five largest holders account for 100.0% of reported value and the top ten for 100.0%.
Compared with the prior quarter, 2 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
ISPC is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Renaissance Technologies history | Q3 2025 | 153.46K | $197.96K | 0.00% | New |
| UBS Group AG history | Q2 2026 | 32.04K | $84.90K | 0.00% | Reduce |
| Geode Capital Management history | Q1 2026 | 313.10K | $49.16K | 0.00% | Add |
| Morgan Stanley history | Q2 2023 | 8.00K | $11.44K | 0.00% | Hold |
| Millennium Management history | Q1 2024 | 44.06K | $10.22K | 0.00% | Add |
| Citigroup Inc history | Q1 2022 | 1.75K | $9.00K | 0.00% | New |
| Citadel Advisors history | Q1 2026 | 50.47K | $7.92K | 0.00% | New |
| Vanguard Group history | Q4 2025 | 29.41K | $7.65K | 0.00% | Hold |
| Northern Trust Corp history | Q2 2024 | 13.80K | $4.27K | 0.00% | Hold |
| Fidelity Management & Research (FMR) history | Q3 2025 | 300 | $387 | 0.00% | New |
| BlackRock Inc history | Q2 2026 | 71 | $188 | 0.00% | Reduce |
| Bank of America Corp history | Q4 2025 | 83 | $22 | 0.00% | Add |
| Wells Fargo & Co history | Q1 2024 | 42 | $10 | 0.00% | Add |
| JPMorgan Chase & Co history | Q3 2023 | 5 | $3 | 0.00% | New |
New Positions (Q2 2026)
No fund opened a new position this quarter.
Fully Exited (vs previous quarter)
- Geode Capital Management sold 313.10K sh · $49.16K
- Citadel Advisors sold 50.47K sh · $7.92K
Fund Position History — shares by quarter (top 14 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UBS Group AG | — | — | 572 | 2.35K | 5.28K | — | — | — | 104 | 13 | — | — | 1.47K | 10.97K | 21.71K | 14.03K | — | 6.45K | 53.74K | 32.04K |
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 2.83K | 2.83K | 2.83K | 2.83K | 2.83K | 2.83K | 2.83K | 71 |
| Citadel Advisors | 12.76K | — | — | 19.80K | — | — | — | 23.17K | — | 38.81K | — | 25.50K | — | — | — | 19.46K | — | — | 50.47K | — |
| Fidelity Management & Research (FMR) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 300 | — | — | — |
| Renaissance Technologies | — | — | — | — | — | — | — | 14.90K | — | 10.69K | 10.00K | — | — | — | — | — | 153.46K | — | — | — |
| Bank of America Corp | — | 2 | — | 1.05K | 919 | 12 | — | — | — | — | — | 43 | 59 | 7 | 7 | 22 | 45 | 83 | — | — |
| Geode Capital Management | — | 13.32K | 21.60K | 23.34K | 21.60K | 21.60K | 21.60K | 21.60K | 38.50K | 38.50K | 38.50K | 38.50K | — | — | 10.73K | 14.81K | 41.69K | 41.59K | 313.10K | — |
| Vanguard Group | — | 90.76K | 36.09K | 61.46K | 163.70K | 163.70K | 162.90K | 162.90K | 150.60K | 134.10K | 76.56K | 35.99K | — | — | — | — | 29.41K | 29.41K | — | — |
| Morgan Stanley | — | 4 | 5.00K | 5.00K | 8.00K | 8.00K | 8.00K | 8.00K | — | — | — | — | — | — | — | — | — | — | — | — |
| JPMorgan Chase & Co | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — |
| Citigroup Inc | — | — | 1.75K | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Millennium Management | 27.68K | — | — | — | — | — | — | — | — | 21.49K | 44.06K | — | — | — | — | — | — | — | — | — |
| Northern Trust Corp | — | — | — | — | — | — | 13.80K | 13.80K | 13.80K | 13.80K | 13.80K | 13.80K | — | — | — | — | — | — | — | — |
| Wells Fargo & Co | 15 | 15 | 26 | 28 | 41 | 41 | 43 | 45 | 39 | 41 | 42 | — | — | — | — | — | — | — | — | — |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details