Classover Holdings, Inc. - KIDZ
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC | History | Added to | 546,969 | 97 | 0.0% | 0.0% | 1 | +472,469 | 634.19% | Q4 2025 | Feb 17, 2026 |
| Harraden Circle Investments, LLC | History | No change | 241,621 | 43 | 0.01% | 0.06% | 2 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| VANGUARD GROUP INC | History | No change | 198,581 | 35 | 0.0% | 0.0% | 3 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 122,351 | 21 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| Limestone Investment Advisors LP | History | New | 97,500 | 17 | 0.0% | — | 5 | +97,500 | New | Q4 2025 | Feb 17, 2026 |
| Sandia Investment Management LP | History | No change | 90,000 | 16 | 0.04% | 0.32% | 6 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| PERISCOPE CAPITAL INC. | History | No change | 90,000 | 10 | 0.0% | 0.01% | 7 | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| JANE STREET GROUP, LLC | History | New | 50,042 | 8 | 0.0% | — | 8 | +50,042 | New | Q4 2025 | Feb 12, 2026 |
| Virtu Financial LLC | History | Added to | 38,143 | 7 | 0.0% | 0.0% | 10 | +16,182 | 73.69% | Q4 2025 | Feb 23, 2026 |
| STATE STREET CORP | History | No change | 43,300 | 7 | 0.0% | 0.0% | 9 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| BlackRock, Inc. | History | No change | 43,426 | 7 | 0.0% | 0.0% | 11 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | History | New | 26,701 | 4 | 0.0% | — | 12 | +26,701 | New | Q4 2025 | Feb 11, 2026 |
| TWO SIGMA SECURITIES, LLC | History | Added to | 23,481 | 4 | 0.0% | 0.0% | 13 | +8,369 | 55.38% | Q4 2025 | Feb 17, 2026 |
| HRT FINANCIAL LP | History | New | 20,357 | 3 | 0.0% | — | 14 | +20,357 | New | Q4 2025 | Feb 12, 2026 |
| XTX Topco Ltd | History | Added to | 19,053 | 3 | 0.0% | 0.0% | 15 | +3,119 | 19.57% | Q4 2025 | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 13,433 | 2 | 0.0% | 0.0% | 16 | -46,767 | -77.69% | Q4 2025 | Feb 17, 2026 |
| UBS Group AG | History | Reduced | 9,706 | 1 | 0.0% | 0.0% | 18 | -12,939 | -57.14% | Q4 2025 | Jan 29, 2026 |
| NORTHERN TRUST CORP | History | No change | 11,113 | 1 | 0.0% | 0.0% | 17 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| CANTOR FITZGERALD, L. P. | History | Closed out | 0 | 0 | — | 0.0% | — | -300,000 | -100.0% | Q3 2025 | Feb 17, 2026 |
| Polar Asset Management Partners Inc. | History | New | 237,500 | 0 | — | — | — | +237,500 | New | Q4 2025 | Feb 17, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 71 | 0 | — | 0.0% | — | -3,789 | -98.16% | Q4 2025 | Feb 11, 2026 |
| GROUP ONE TRADING LLC | History | Reduced | 2,207 | 0 | — | 0.0% | — | -1,729 | -43.93% | Q4 2025 | Feb 12, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 5,188 | 0 | — | 0.0% | — | +1,457 | 39.05% | Q4 2025 | Feb 17, 2026 |
| SBI Securities Co., Ltd. | History | Closed out | 0 | 0 | — | — | — | -200 | -100.0% | Q3 2025 | Nov 05, 2025 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 142 | 0 | — | — | — | +32 | 29.09% | Q4 2025 | Feb 17, 2026 |
| FNY Investment Advisers, LLC | History | Closed out | 0 | 0 | — | — | — | -9 | -100.0% | Q3 2025 | Dec 15, 2025 |
| Caitong International Asset Management Co., Ltd | History | Added to | 2 | 0 | — | — | — | +1 | 100.0% | Q4 2025 | Mar 03, 2026 |
| WOLVERINE ASSET MANAGEMENT LLC | History | No change | 490 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 02, 2026 |