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Spacsphere Acquisition Corp

CUSIP: G8T088109 | 45 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026
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Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13GW. R. Berkley Corporation1,119,3646.4%New 5%+ stakeSep 30, 2026No 13F filer matched
13G/AWolverine Holdings, LLC954,2975.2%New 5%+ stakeSep 30, 2026

Institutional Holders — Q3 2026

Mizuho Securities USA LLC1,257,763
0.2% of portfolio›$12.6M
Wolverine Asset Management LLC954,297
0.1% of portfolio›$9.7M
StoneX Group Inc.197,834
0.1% of portfolio›$2.0M
Periscope Capital Inc.50,000
0.1% of portfolio›$506.5K
Geode Capital Management, LLC29,628
0.0% of portfolio›$300.7K
TrueMark Investments, LLC24,596
0.0% of portfolio›$249.6K
Tuttle Capital Management, LLC20,000
0.1% of portfolio›$203.0K
StyleTurnoverLocationFiled
Mizuho Securities USA LLC
1,257,763$12.6M0.2%CoreHighNew York, NY2026-11-09
Wolverine Asset Management LLC
954,297$9.7M0.1%Deep ValueVery HighChicago, IL2026-11-02
StoneX Group Inc.
197,834$2.0M0.1%ETFMediumNew York, NY2026-11-03
Periscope Capital Inc.
50,000$506.5K0.1%GARPHighToronto, Australia2026-11-06
Geode Capital Management, LLC
29,628$300.7K0.0%IndexVery LowBoston, MA2026-11-06
TrueMark Investments, LLC
24,596$249.6K0.0%YieldHighChicago, IL2026-11-05
Tuttle Capital Management, LLC
20,000$203.0K0.1%GrowthHighRiverside, CT2026-10-21
No 13F filer matched
13G/AKarpus Management, Inc.1,199,7675.0%Newly reportedAug 31, 20261,248,875 sh (Jun 30, 2026)
13GMizuho Financial Group Inc1,012,5675.5%New 5%+ stakeJun 30, 2026Not yet in a 13F
13GW. R. Berkley Corporation1,119,364
6.4% of class · Sep 30, 2026New 5%+ stake
No 13F filer matched
13G/AWolverine Holdings, LLC954,297
5.2% of class · Sep 30, 2026New 5%+ stake
No 13F filer matched
13G/AKarpus Management, Inc.1,199,767
5.0% of class · Aug 31, 2026Newly reported
1,248,875 sh (Jun 30, 2026)
13GMizuho Financial Group Inc1,012,567
5.5% of class · Jun 30, 2026New 5%+ stake
Not yet in a 13F