ATHENS, J3
C3IS INC.CISS— Latest position per institution from SEC 13F filings
15
Institutional holders
1.06M
Total shares held
287.64K
Estimated value
118.17K
Avg. position size
L1 GLOBAL MANAGER PTY LTD
CIK 1878742
Shares
861.26K
Value
198.09K
Filed
Dec 31, 2025
WEXFORD CAPITAL LP
CIK 1048462
Shares
112.01K
Value
25.76K
Filed
Dec 31, 2025
CITADEL ADVISORS LLC
CIK 1423053
Shares
47.63K
Value
10.96K
Filed
Dec 31, 2025
SASSICAIA CAPITAL ADVISERS LLC
CIK 1692751
Shares
19.64K
Value
4.52K
Filed
Dec 31, 2025
TOWERVIEW LLC
CIK 1166573
Shares
14.30K
Value
46.89K
Filed
Jun 30, 2025
UBS GROUP AG
CIK 1610520
Shares
6.13K
Value
1.41K
Filed
Dec 31, 2025
FNY INVESTMENT ADVISERS, LLC
CIK 1742998
Shares
2.50K
Value
5.00
Filed
Sep 30, 2025
SBI SECURITIES CO., LTD.
CIK 1851815
Shares
4.00
Value
13.00
Filed
Jun 30, 2025
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 752798
Shares
0.00
Value
0.00
Filed
Jun 30, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | L1 GLOBAL MANAGER PTY LTD | 1878742 | 861.26K | 198.09K | Dec 31, 2025 |
| 2 | WEXFORD CAPITAL LP | 1048462 | 112.01K | 25.76K | Dec 31, 2025 |
| 3 | CITADEL ADVISORS LLC | 1423053 | 47.63K | 10.96K | Dec 31, 2025 |
| 4 | SASSICAIA CAPITAL ADVISERS LLC | 1692751 | 19.64K | 4.52K | Dec 31, 2025 |
| 5 | TOWERVIEW LLC | 1166573 | 14.30K | 46.89K | Jun 30, 2025 |
| 6 | UBS GROUP AG | 1610520 | 6.13K | 1.41K | Dec 31, 2025 |
| 7 | FNY INVESTMENT ADVISERS, LLC | 1742998 | 2.50K | 5.00 | Sep 30, 2025 |
| 8 | SBI SECURITIES CO., LTD. | 1851815 | 4.00 | 13.00 | Jun 30, 2025 |
| 9 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 752798 | 0.00 | 0.00 | Jun 30, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.