Security key
19058X207
CoastalSouth Bancshares, Inc. - Voting Common Stock, $1.00 par value per share (COSO)
CUSIP: 19058X207
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Voting Common Stock, $1.00 par value per share
- Total 13F shares
- 7,309,418
- Total 13F value
- $179,213,823
- Share change
- +185,436
- SEC-reported price per share
- $24.59
- Number of holders
- 82
- Value change
- +$5,119,763
- Number of buys
- 56
- Number of sells
- 16
- Shares outstanding
- 12,042,250
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
82
Top holders
10
COSO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
CoastalSouth Bancshares, Inc. SEC filings
CoastalSouth Bancshares, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 19058X207
Recent filing periods:
Ownership snapshot
Top reported holders of COSO - CoastalSouth Bancshares, Inc. - Voting Common Stock, $1.00 par value per share (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
Fourthstone LLC
Disclosed value leader
Fourthstone LLC
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 9.2%
13D/G row: Fourthstone LLC
Showing 1-6 of 15 holder rows.
Quick read
Fourthstone LLC leads the comparable SEC ownership view at 9.2%.
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 Fourthstone LLC's linked filing trail.
Comparable ownership
Top 5
Fourthstone LLC
9.2%
EJF Capital LP
1.6%
Boris Gutin
0.15%
John Simon Fraser
0.11%
Patriot Financial Partners GP II,...
6%
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 |
|---|---|---|---|---|---|
| Fourthstone LLC |
13D/G
13F
Company
|
9.2%
|
$28,172,902
1,100,504 shares
|
+$3,602,099 | 31 Mar 2026 |
| EJF Capital LP |
13F
13D/G
Company
|
1.6%
from 13D/G
|
$21,626,476
930,171 shares
|
— | 31 Dec 2025 |
| Boris Gutin |
3/4/5
Director
|
0.15%
|
$393,106
18,284 shares
|
— | 02 Jul 2025 |
| John Simon Fraser |
3/4/5
Director
|
0.11%
|
$320,106
12,866 shares
|
— | 26 Feb 2026 |
| Patriot Financial Partners GP II, L.P. |
13F
Company
|
6%
|
$16,721,656
719,211 shares
|
— | 31 Dec 2025 |
| ALLIANCEBERNSTEIN L.P. |
13F
Company
|
3.5%
|
$9,874,740
424,720 shares
|
— | 31 Dec 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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
82
Shares
7,309,418
Rows available
82
| 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 Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
66
Q1 2026 holders
82
Holder diff
16
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend