Who Owns CLASSOVER HLDGS INC (KIDZW)? -- Institutional Holders (2026-03-31)
38 institutions reported holding $448,773 of CLASSOVER HLDGS INC (KIDZW) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($269,386), HIGHBRIDGE CAPITAL MANAGEMENT LLC ($21,324), ARISTEIA CAPITAL, L.L.C. ($16,817), Harraden Circle Investments, LLC ($14,883), Calamos Advisors LLC ($12,375). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $269,386 | 87,463 | New |
| 2 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $21,324 | 1.6M | Trimmed |
| 3 | ARISTEIA CAPITAL, L.L.C. | $16,817 | 1.1M | Hold |
| 4 | Harraden Circle Investments, LLC | $14,883 | 4,832 | New |
| 5 | Calamos Advisors LLC | $12,375 | 750,000 | Hold |
| 6 | Polar Asset Management Partners Inc. | $11,710 | 785,874 | Hold |
| 7 | Saba Capital Management, L.P. | $10,419 | 699,290 | Hold |
| 8 | D. E. Shaw & Co., Inc. | $9,488 | 575,000 | Hold |
| 9 | TORONTO DOMINION BANK | $8,463 | 528,924 | Hold |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | $8,270 | 2,685 | New |
| 11 | Davidson Kempner Capital Management LP | $8,250 | 500,000 | Hold |
| 12 | Altshuler Shaham Ltd | $8,208 | 497,457 | Hold |
| 13 | Clear Street Group Inc. | $8,096 | 490,687 | Trimmed |
| 14 | UBS Group AG | $6,579 | 2,136 | Added |
| 15 | LMR Partners LLP | $4,125 | 250,000 | Hold |
| 16 | VANGUARD FIDUCIARY TRUST CO | $3,967 | 1,288 | New |
| 17 | MILLENNIUM MANAGEMENT LLC | $3,424 | 207,500 | Hold |
| 18 | MMCAP International Inc. SPC | $3,094 | 187,500 | Hold |
| 19 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $2,913 | 176,533 | Hold |
| 20 | VR Advisory Services Ltd | $2,475 | 150,000 | Hold |
| 21 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $2,038 | 123,531 | Hold |
| 22 | JPMORGAN CHASE & CO | $1,995 | 150,000 | Hold |
| 23 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1,805 | 109,424 | Added |
| 24 | Greenland Capital Management LP | $1,650 | 100,000 | Hold |
| 25 | SIMPLEX TRADING, LLC | $1,540 | 500 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31