Classover Holdings Inc. - 30KIDZWPreferred / convertible
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 23 institutions reported holding Classover Holdings Inc. - 30 (KIDZW) in their 13F filings, down 1 from Q1 2026. 1 opened new positions and 2 sold out. The largest holders were Aristeia Capital, L.L.C. ($16K), Polar Asset Management Partners Inc. ($11K) and Calamos Advisors LLC ($10K). 2 famous investors held it, including David E. Shaw ( of D. E. Shaw & Co.'s portfolio) and Ken Griffin ( of Citadel Advisors's portfolio).
- Company
- Classover Holdings Inc. - 30
- Filed as
- KIDZ AI INC (Q2 2026)
- CUSIP
- 182744110
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $50 |
| Exits | 2 | $340 |
All 13F filers, Q1 2026 → Q2 2026: 3,852 shares bought and 52,932 shares sold, net −49,080 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 23 holders
| Aristeia Capital, L.L.C. | — | No change | 1,128,651 | $16K |
| Polar Asset Management Partners Inc. | — | No change | 785,874 | $11K |
| Calamos Advisors LLC | — | No change | 750,000 | $10K |
| Saba Capital Management, L.P. | — | No change | 699,290 | $9K |
| D. E. Shaw & Co. | — | No change | 575,000 | $8K |
| Altshuler Shaham Ltd | — | No change | 497,457 | $7K |
| Toronto Dominion Bank | — | Reduce -0.0% | 528,766 | $7K |
| Davidson Kempner Capital Management LP | — | No change | 500,000 | $6K |
| Clear Street Group Inc. | — | Reduce -0.0% | 490,487 | $6K |
| LMR Partners LLP | — | No change | 250,000 | $3K |
| MMCAP International Inc. SPC | — | No change | 187,500 | $2K |
| Adage Capital Partners Gp, L.L.C. | — | No change | 176,533 | $2K |
| VR Advisory Services Ltd | — | No change | 150,000 | $2K |
| Rivernorth Capital Management, LLC | — | No change | 123,531 | $2K |
| Greenland Capital Management LP | — | No change | 100,000 | $1K |
| Susquehanna International Group, LLP | — | Reduce -17.4% | 90,342 | $1K |
| TENOR CAPITAL MANAGEMENT Co., L.P. | — | No change | 75,000 | $945 |
| Whitebox Advisors LLC | — | No change | 46,500 | $586 |
| Citadel Advisors | — | Reduce -1.7% | 29,080 | $413 |
| OMERS ADMINISTRATION Corp | — | No change | 25,000 | $345 |
| Ancora Advisors LLC | — | No change | 5,800 | $73 |
| UBS Group AG | — | New | 3,852 | $50 |
| Flow Traders U.S. LLC | — | No change | 19,133 | $0 |
"% of holder's portfolio" is KIDZW's weight in each manager's 13F, not the share of Classover Holdings Inc. - 30 the manager owns.