Security key
500688106
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 341,624,965
- Total 13F value
- $310,785,907
- Share change
- -55,594,304
- Put/Call ratio
- 45%
- SEC-reported price per share
- $0.91
- Number of holders
- 207
- Value change
- -$58,814,526
- Number of buys
- 80
- Number of sells
- 139
- Shares outstanding
- 591,553,691
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
207
Top holders
10
KOS full security history
Ownership snapshot
Full 13F holder table
Kosmos Energy Ltd. SEC filings
Kosmos Energy Ltd. company facts
Broader feeds
Ownership snapshot
Top reported holders of KOS - Kosmos Energy Ltd. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
cobas asset management, s...
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G
13F
Lead comparable stake: 5.2%
13D/G row: cobas asset management, sgiic, s.a.
Showing 1-6 of 15 holder rows.
Quick read
cobas asset management, sgiic, s.a. leads the comparable SEC ownership view at 5.2%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens cobas asset management, sgiic, s.a.'s linked filing trail.
Comparable ownership
Top 5
cobas asset management, sgiic, s.a.
5.2%
HOTCHKIS & WILEY CAPITAL MANAGEME...
4.4%
AMERICAN CENTURY INVESTMENT MANAG...
2.4%
FMR LLC
2.1%
BlackRock Portfolio Management LLC
1.7%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| cobas asset management, sgiic, s.a. |
13D/G
|
5.2%
|
$42,620,828
24,779,551 shares
|
$0 | 10 Apr 2025 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC |
13D/G
13F
Hotchkis and Wiley Capital Management, LLC · Company
|
4.4%
|
$45,390,842
21,210,674 shares
|
-$9,237,154 | 30 Jun 2025 |
| AMERICAN CENTURY INVESTMENT MANAGEMENT INC |
13D/G
|
2.4%
|
$14,012,882
11,300,711 shares
|
-$27,416,815 | 31 Dec 2025 |
| FMR LLC |
13D/G
13F
Company
|
2.1%
|
$16,907,343
9,829,851 shares
|
$0 | 29 Nov 2024 |
| BlackRock Portfolio Management LLC |
13D/G
|
1.7%
|
$7,523,689
8,291,480 shares
|
-$19,976,061 | 31 Dec 2025 |
| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. |
13D/G
13F
Company
|
0.84%
|
$6,933,604
4,031,165 shares
|
-$36,259,955 | 31 Mar 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
207
Shares
341,624,965
Rows available
207
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
232
Q4 2025 holders
207
Holder diff
-25
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|