HolderBook

C3IS INC (CISSXXXX)

Institutional ownership reported to the SEC as of Q4 2024, across 3 quarters.

5
Reporting holders
$230.4K
Reported value
0.0%
Held as options
+0
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
TOWERVIEW LLC$185.5K325,0000.13%3q+364.3%+$145.6K
UBS Group AG$28.1K49,2060.00%3q+21.5%+$5.0K
RENAISSANCE TECHNOLOGIES LLC$16.8K29,4230.00%newNEW
ACADIAN ASSET MANAGEMENT LLC$2340,6330.00%3q-58.4%
Estabrook Capital Management$11190.00%3qHELD
GROUP ONE TRADING LLC$110.00%3qHELD

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q4 20245$230.4K403,6491200.0%
Q3 20245$140.1K122,9141200.0%
Q2 20246$61.8K44,4646000.0%