Classover Holdings, Inc. - KIDZ

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
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