SUMMIT SECURITIES GROUP LLC

Broker-Dealer

Position in CISS — C3is Inc.

CIK 1531593 NEW YORK, NY

Position in CISS

as of Mar 31, 2026 · filed Apr 30, 2026 Compact

Position Value

$1,247

New position

Shares Held

1,508

first reported quarter

Ownership

0.102%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#3

of 3 holders

Holding Since

Mar 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Mar 31, 2026

SUMMIT SECURITIES GROUP LLC holds $1,029,390 across 4 Marine Shipping names. CISS ranks #4 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ZIM	ZIM Integrated Shipping Services Ltd.	29,300	$772,055
2	SBLK	Star Bulk Carriers Corp.	8,400	$192,948
3	GNK	Genco Shipping & Trading Ltd	2,800	$63,140
4	CISS	C3is Inc. This page	1,508	$1,247

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,247	1,508	—	Shares	Sole	2026-04-30
No filing history on record for this holder in this stock.