Classover Holdings Inc. - 30KIDZWPreferred / convertible

13F holders, Q4 2025 (December 31)
25holders −5
2new positions
6sold out
3famous investors
$0.01avg. 13F price*

At the end of Q4 2025, 25 institutions reported holding Classover Holdings Inc. - 30 (KIDZW) in their 13F filings, down 5 from Q3 2025. 2 opened new positions and 6 sold out. The largest holders were Aristeia Capital, L.L.C. ($14K), Polar Asset Management Partners Inc. ($9K) and Calamos Advisors LLC ($9K). 3 famous investors held it, including David E. Shaw ( of D. E. Shaw & Co.'s portfolio), Steve Cohen ( of Point72 Asset Management'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

0102030 Q2 2025: 29Q2 2025Q3 2025: 30Q3 2025Q4 2025: 25Q4 2025Q1 2026: 24Q1 2026Q2 2026: 23Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions2$4K
Exits6$46K

All 13F filers, Q3 2025 → Q4 2025: 302,756 shares bought and 593,351 shares sold, net −290,595 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 25 holders
Aristeia Capital, L.L.C. — No change 1,128,651 $14K
Polar Asset Management Partners Inc. — No change 785,874 $9K
Calamos Advisors LLC — No change 750,000 $9K
Saba Capital Management, L.P. — No change 699,290 $8K
D. E. Shaw & Co. — No change 575,000 $7K
Toronto Dominion Bank — No change 528,924 $6K
Davidson Kempner Capital Management LP — No change 500,000 $6K
Altshuler Shaham Ltd — Reduce -1.5% 497,457 $6K
Clear Street Group Inc. — Add +0.0% 490,987 $6K
LMR Partners LLP — No change 250,000 $3K
Point72 Asset Management — New 243,000 $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 $1K
Greenland Capital Management LP — No change 100,000 $1K
TENOR CAPITAL MANAGEMENT Co., L.P. — No change 75,000 $900
Susquehanna International Group, LLP — New 57,837 $694
Whitebox Advisors LLC — No change 46,500 $558
Citadel Advisors — Add +4.1% 30,730 $369
OMERS ADMINISTRATION Corp — No change 25,000 $300
StoneX Group Inc. — No change 20,624 $247
Ancora Advisors LLC — Reduce -3.3% 5,800 $70
UBS Group AG — Add +52.1% 1,749 $21
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.