C3is (CISS.US) Shareholders - Institutional Holders, Major Shareholders & Insiders | Longbridge

© 2026 Longbridge｜Terms of Service Privacy Policy

Shareholder Type

Public and others77.97%
Institutions14.51%
VC/PE firms7.49%
Individuals & Insiders0.02%
Private companies<0.01%

Major Shareholders

Major Shareholders Latest
Shareholder
Alta Partners LLC	8.71%	1.14M	--	+1.14M	07/28/2026
Heights Capital Management, Inc.	7.49%	980.00K	--	+980.00K	07/27/2026
Ascent Partners Fund LLC	3.84%	502.81K	--	+502.81K	08/04/2026
The Lind Partners, LLC	1.42%	185.48K	--	+185.48K	06/28/2026
TowerView LLC	0.38%	50.00K	0.38%	+50.00K	06/30/2026
Hudson River Trading LLC	0.08%	10.93K	--	+10.93K	03/31/2026
Evergreen Capital Management LLC	0.03%	3.96K	3.19%	+928.00	03/31/2026
Shamir Capital	0.02%	3.04K	3.20%	+0	12/11/2025
Tsiakmakis Athanasios	0.02%	2.86K	1.15%	+1.75K	01/09/2026
Ayrton Capital LLC	0.01%	1.86K	1.96%	+0	12/31/2025
Arethusa Properties Ltd.	<0.01%	517.00	0.09%	+0	07/28/2026
Harry VafiasNon-Executive Chairman	<0.01%	236.00	0.03%	+70.00	07/28/2026
Caitong International Asset Management Co., Limited	<0.01%	2.00	--	+2.00	06/30/2026
Flawless Management,Inc	<0.01%	1.00	<0.01%	+0	07/28/2026
Summit Securities Group LLC	0.00%	0.00	0.04%	-215.00	06/30/2026
Sterne Agee Asset Management, Inc.	0.00%	0.00	0.28%	-1.49K	06/30/2026