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Rubico Inc

CUSIP: Y1250N107 | 6 institutional holders

Quarters

Q3 2025
CompareDetailedHistoricalFundsOptionsShort Interest13D/13GPeersTargetingTrading SummaryProfile

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
13D/AFamily Trading Inc.
with Evangelos J. Pistiolis
1,465,3593.3%UnchangedNov 12, 2025No 13F filer matched
13D/AFamily Trading Inc.

Institutional Holders — Q3 2025

Sabby Management, LLC20,835
0.1% of portfolio›$44.2K
Walleye Capital LLC19,977
0.0% of portfolio›$42.4K
Federation des caisses Desjardins du Quebec352
0.0% of portfolio›$746
Tower Research Capital LLC (TRC)75
0.0% of portfolio›$159
SBI Securities Co., Ltd.15
0.0% of portfolio›$32
UBS Group AG10
0.0% of portfolio›$21
StyleTurnoverLocationFiled
Sabby Management, LLC
20,835$44.2K0.1%GrowthVery HighMiami Beach, FL2025-11-14
Walleye Capital LLC
19,977$42.4K0.0%CoreVery HighNew York, NY2025-11-14
Federation des caisses Desjardins du Quebec
352$7460.0%ValueMediumLevis, Austria2025-11-14
Tower Research Capital LLC (TRC)
75$1590.0%GARPVery HighNew York, NY2025-11-14
SBI Securities Co., Ltd.
15$320.0%GrowthLowTokyo, Mexico2025-11-05
UBS Group AG
10$210.0%CoreMediumZurich, Switzerland2025-11-13
1,465,359
3.3% of class · Nov 12, 2025Unchanged
with Evangelos J. Pistiolis
No 13F filer matched