Classover Holdings Inc. - 30KIDZWPreferred / convertible
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 24 institutions reported holding Classover Holdings Inc. - 30 (KIDZW) in their 13F filings, down 1 from Q4 2025. 1 opened new positions and 2 sold out. The largest holders were Aristeia Capital, L.L.C. ($17K), Calamos Advisors LLC ($12K) and Polar Asset Management Partners Inc. ($12K). 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
- CUSIP
- 182744110
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $0 |
| Exits | 2 | $3K |
All 13F filers, Q4 2025 → Q1 2026: 63,955 shares bought and 246,199 shares sold, net −182,244 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 24 holders
| Aristeia Capital, L.L.C. | — | No change | 1,128,651 | $17K |
| Calamos Advisors LLC | — | No change | 750,000 | $12K |
| Polar Asset Management Partners Inc. | — | No change | 785,874 | $12K |
| Saba Capital Management, L.P. | — | No change | 699,290 | $10K |
| D. E. Shaw & Co. | — | No change | 575,000 | $9K |
| Toronto Dominion Bank | — | No change | 528,924 | $8K |
| Davidson Kempner Capital Management LP | — | No change | 500,000 | $8K |
| Altshuler Shaham Ltd | — | No change | 497,457 | $8K |
| Clear Street Group Inc. | — | Reduce -0.1% | 490,687 | $8K |
| LMR Partners LLP | — | No change | 250,000 | $4K |
| MMCAP International Inc. SPC | — | No change | 187,500 | $3K |
| Adage Capital Partners Gp, L.L.C. | — | No change | 176,533 | $3K |
| VR Advisory Services Ltd | — | No change | 150,000 | $2K |
| Rivernorth Capital Management, LLC | — | No change | 123,531 | $2K |
| Susquehanna International Group, LLP | — | Add +89.2% | 109,424 | $2K |
| Greenland Capital Management LP | — | No change | 100,000 | $2K |
| TENOR CAPITAL MANAGEMENT Co., L.P. | — | No change | 75,000 | $1K |
| Whitebox Advisors LLC | — | No change | 46,500 | $767 |
| Citadel Advisors | — | Reduce -3.7% | 29,580 | $488 |
| OMERS ADMINISTRATION Corp | — | No change | 25,000 | $412 |
| StoneX Group Inc. | — | No change | 20,624 | $340 |
| Ancora Advisors LLC | — | No change | 5,800 | $96 |
| Flow Traders U.S. LLC | — | No change | 19,133 | $0 |
| HRT Financial LP | — | New | 12,368 | $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.