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Classover Holdings Inc (KIDZ)

Q4 2025 vs Q1 2026

Comparing institutional holders between quarters

Quarters

Q1 2026Q4 2025Q3 2025Q2 2025
CompareDetailedHistoricalFundsOptionsShort Interest13D/13GPeersTargetingTrading SummaryProfile
Citadel Advisors LLC
CLOSED
Shares0 from 483,969
Change-483,969 (-100%)
Value$0 (-$86.1K)
Filed 2026-05-15
Harraden Circle Investments, LLC
CLOSED
Shares0 from 241,621
Change-241,621 (-100%)
Value$0 (-$43.0K)
Filed 2026-05-15
Polar Asset Management Partners Inc.
CLOSED
Shares0 from 237,500
Change-237,500 (-100%)
Value$0 ($0)
Filed 2026-05-15
Geode Capital Management, LLC
CLOSED
Shares0 from 122,351
Change-122,351 (-100%)
Value$0 (-$21.8K)
Filed 2026-05-15
Limestone Investment Advisors LP
CLOSED
Shares0 from 97,500
Change-97,500 (-100%)
Value$0 (-$17.4K)
Filed 2026-05-15
Periscope Capital Inc.
CLOSED
Shares0 from 90,000
Change-90,000 (-100%)
Value$0 (-$10.8K)
Filed 2026-05-14
Jane Street Group, LLC
CLOSED
Shares0 from 50,042
Change-50,042 (-100%)
Value$0 (-$8.9K)
Filed 2026-05-12
BlackRock, Inc.
CLOSED
Shares0 from 43,426
Change-43,426 (-100%)
Value$0 (-$7.7K)
Filed 2026-05-13
State Street Corp
CLOSED
Shares0 from 43,300
Change-43,300 (-100%)
Value$0 (-$7.7K)
Filed 2026-05-15
Virtu Financial LLC
CLOSED
Shares0 from 38,143
Change-38,143 (-100%)
Value$0 (-$7)
Filed 2026-05-14
Highbridge Capital Management LLC
CLOSED
Shares0 from 26,701
Change-26,701 (-100%)
Value$0 (-$4.8K)
Filed 2026-05-15
Two Sigma Securities, LLC
CLOSED
Shares0 from 23,481
Change-23,481 (-100%)
Value$0 (-$4.2K)
Filed 2026-05-15
HRT Financial LP
CLOSED
Shares0 from 20,357
Change-20,357 (-100%)
Value$0 (-$3)
Filed 2026-05-14
XTX Topco Ltd
CLOSED
Shares0 from 19,053
Change-19,053 (-100%)
Value$0 (-$3.4K)
Filed 2026-05-15
Susquehanna International Group, LLP
CLOSED
Shares0 from 13,433
Change-13,433 (-100%)
Value$0 (-$2.4K)
Filed 2026-05-15
Northern Trust Corp
CLOSED
Shares0 from 11,113
Change-11,113 (-100%)
Value$0 (-$2.0K)
Filed 2026-05-14
UBS Group AG
CLOSED
Shares0 from 9,706
Change-9,706 (-100%)
Value$0 (-$1.7K)
Filed 2026-05-05
Tower Research Capital LLC (TRC)
CLOSED
Shares0 from 5,188
Change-5,188 (-100%)
Value$0 (-$923)
Filed 2026-05-15
Group One Trading LLC
CLOSED
Shares0 from 2,207
Change-2,207 (-100%)
Value$0 (-$393)
Filed 2026-05-13
Wolverine Asset Management LLC
CLOSED
Shares0 from 490
Change-490 (-100%)
Value$0 (-$87)
Filed 2026-05-04
Bank of America Corp
CLOSED
Shares0 from 142
Change-142 (-100%)
Value$0 (-$25)
Filed 2026-05-18
Simplex Trading, LLC
CLOSED
Shares0 from 71
Change-71 (-100%)
Value$0 (-$12)
Filed 2026-05-14
Caitong International Asset Management Co., Ltd
CLOSED
Shares0 from 1
Change-1 (-100%)
Value$0 ($0)
Filed 2026-05-11
Vanguard Group Inc
DECREASED
Shares0 from 198,581
Change-198,581 (-100%)
Value$0 (-$35.3K)
Filed 2026-05-14
Sandia Investment Management LP
N/A
Shares— from 90,000
Change-90,000 (-100%)
Value—
Status
Citadel Advisors LLC
CLOSED0483,969-483,969-100%$86.1K$0-$86.1K2026-05-15
Harraden Circle Investments, LLC
CLOSED0241,621-241,621-100%$43.0K$0-$43.0K2026-05-15
Polar Asset Management Partners Inc.
CLOSED0237,500-237,500-100%$0$0$02026-05-15
Geode Capital Management, LLC
CLOSED0122,351-122,351-100%$21.8K$0-$21.8K2026-05-15
Limestone Investment Advisors LP
CLOSED097,500-97,500-100%$17.4K$0-$17.4K2026-05-15
Periscope Capital Inc.
CLOSED090,000-90,000-100%$10.8K$0-$10.8K2026-05-14
Jane Street Group, LLC
CLOSED050,042-50,042-100%$8.9K$0-$8.9K2026-05-12
BlackRock, Inc.
CLOSED043,426-43,426-100%$7.7K$0-$7.7K2026-05-13
State Street Corp
CLOSED043,300-43,300-100%$7.7K$0-$7.7K2026-05-15
Virtu Financial LLC
CLOSED038,143-38,143-100%$7$0-$72026-05-14
Highbridge Capital Management LLC
CLOSED026,701-26,701-100%$4.8K$0-$4.8K2026-05-15
Two Sigma Securities, LLC
CLOSED023,481-23,481-100%$4.2K$0-$4.2K2026-05-15
HRT Financial LP
CLOSED020,357-20,357-100%$3$0-$32026-05-14
XTX Topco Ltd
CLOSED019,053-19,053-100%$3.4K$0-$3.4K2026-05-15
Susquehanna International Group, LLP
CLOSED013,433-13,433-100%$2.4K$0-$2.4K2026-05-15
Northern Trust Corp
CLOSED011,113-11,113-100%$2.0K$0-$2.0K2026-05-14
UBS Group AG
CLOSED09,706-9,706-100%$1.7K$0-$1.7K2026-05-05
Tower Research Capital LLC (TRC)
CLOSED05,188-5,188-100%$923$0-$9232026-05-15
Group One Trading LLC
CLOSED02,207-2,207-100%$393$0-$3932026-05-13
Wolverine Asset Management LLC
CLOSED0490-490-100%$87$0-$872026-05-04
Bank of America Corp
CLOSED0142-142-100%$25$0-$252026-05-18
Simplex Trading, LLC
CLOSED071-71-100%$12$0-$122026-05-14
Caitong International Asset Management Co., Ltd
CLOSED01-1-100%$0$0$02026-05-11
Vanguard Group Inc
DECREASED0198,581-198,581-100%$35.3K$0-$35.3K2026-05-14
Sandia Investment Management LP
N/A—90,000-90,000-100%$16.2K———
Showing 25 of 25 institutions