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Diamondhead Holdings A -Cw28 (UHGWW)

Q4 2025 vs Q1 2026

Comparing institutional holders between quarters

Quarters

Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile
Stonebridge Wealth Management, LLC
DECREASED
Shares1,387,899 from 3,438,275
Change-2,050,376 (-60%)
Value$253.3K (-$881.0K)
Filed 2026-04-17
Alpine Global Management, LLC
NEW
Shares950,000
Change+950,000
Value$173.4K
Filed 2026-05-15
Greenland Capital Management LP
UNCHANGED
Shares650,000 from 650,000
Change0 (0%)
Value$118.6K (-$37.6K)
Filed 2026-05-15
D. E. Shaw & Co., Inc.
UNCHANGED
Shares439,789 from 439,789
Change0 (0%)
Value$80.3K (-$60.4K)
Filed 2026-05-15
Periscope Capital Inc.
NEW
Shares300,000
Change+300,000
Value$54.8K
Filed 2026-05-14
Davidson Kempner Capital Management LP
NEW
Shares190,592
Change+190,592
Value$34.8K
Filed 2026-08-14
GTS Securities LLC
NEW
Shares146,008
Change+146,008
Value$26.6K
Filed 2026-05-15
Healthcare of Ontario Pension Plan Trust Fund
UNCHANGED
Shares119,171 from 119,171
Change0 (0%)
Value$21.7K (-$16.4K)
Filed 2026-05-14
LMR Partners LLP
NEW
Shares73,510
Change+73,510
Value$13.4K
Filed 2026-05-15
Susquehanna International Group, LLP
NEW
Shares71,119
Change+71,119
Value$13.0K
Filed 2026-05-15
Tenor Capital Management Co., L.P.
UNCHANGED
Shares45,976 from 45,976
Change0 (0%)
Value$8.4K (-$6.8K)
Filed 2026-05-15
Saba Capital Management, L.P.A
NEW
Shares45,810
Change+45,810
Value$8.4K
Filed 2026-05-15
Luxor Capital Group, LP
UNCHANGED
Shares38,949 from 38,949
Change0 (0%)
Value$7.1K (-$5.4K)
Filed 2026-05-15
Calamos Advisors LLC
UNCHANGED
Shares25,000 from 25,000
Change0 (0%)
Value$4.6K (-$2.6K)
Filed 2026-05-04
Two Sigma Securities, LLC
NEW
Shares12,971
Change+12,971
Value$2.4K
Filed 2026-05-15
Virtu Financial LLC
NEW
Shares12,097
Change+12,097
Value$2
Filed 2026-05-14
UBS Group AG
NEW
Shares5,571
Change+5,571
Value$1.0K
Filed 2026-05-05
Clear Street Group Inc.
UNCHANGED
Shares5,155 from 5,155
Change0 (0%)
Value$941 (-$760)
Filed 2026-05-15
Toronto Dominion Bank
NEW
Shares5,000
Change+5,000
Value$915
Filed 2026-05-15
Vestcor Inc
UNCHANGED
Shares4,499 from 4,499
Change0 (0%)
Value$1 ($0)
Filed 2026-05-12
Status
Stonebridge Wealth Management, LLC
DECREASED1,387,8993,438,275-2,050,376-60%$1.1M$253.3K-$881.0K2026-04-17
Alpine Global Management, LLC
NEW950,000—+950,000——$173.4K—2026-05-15
Greenland Capital Management LP
UNCHANGED650,000650,00000%$156.2K$118.6K-$37.6K2026-05-15
D. E. Shaw & Co., Inc.
UNCHANGED439,789439,78900%$140.7K$80.3K-$60.4K2026-05-15
Periscope Capital Inc.
NEW300,000—+300,000——$54.8K—2026-05-14
Davidson Kempner Capital Management LP
NEW190,592—+190,592——$34.8K—2026-08-14
GTS Securities LLC
NEW146,008—+146,008——$26.6K—2026-05-15
Healthcare of Ontario Pension Plan Trust Fund
UNCHANGED119,171119,17100%$38.1K$21.7K-$16.4K2026-05-14
LMR Partners LLP
NEW73,510—+73,510——$13.4K—2026-05-15
Susquehanna International Group, LLP
NEW71,119—+71,119——$13.0K—2026-05-15
Tenor Capital Management Co., L.P.
UNCHANGED45,97645,97600%$15.2K$8.4K-$6.8K2026-05-15
Saba Capital Management, L.P.A
NEW45,810—+45,810——$8.4K—2026-05-15
Luxor Capital Group, LP
UNCHANGED38,94938,94900%$12.5K$7.1K-$5.4K2026-05-15
Calamos Advisors LLC
UNCHANGED25,00025,00000%$7.1K$4.6K-$2.6K2026-05-04
Two Sigma Securities, LLC
NEW12,971—+12,971——$2.4K—2026-05-15
Virtu Financial LLC
NEW12,097—+12,097——$2—2026-05-14
UBS Group AG
NEW5,571—+5,571——$1.0K—2026-05-05
Clear Street Group Inc.
UNCHANGED5,1555,15500%$1.7K$941-$7602026-05-15
Toronto Dominion Bank
NEW5,000—+5,000——$915—2026-05-15
Vestcor Inc
UNCHANGED4,4994,49900%$1$1$02026-05-12
Showing 20 of 20 institutions