Latest Period
Q1 2026
Security Snapshot
Catalyst Bancorp Inc - Common Stock (CLST) Institutional Ownership
CUSIP: 14888L101
13F Institutional Holders and Ownership History from Q4 2021 to Q1 2026
Institutions Reporting
23
Shares (Excl. Options)
1,004,417
Price
$16.56
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- Security type / class
- Equity / Common Stock
- Symbol
- CLST on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 1,004,417
- Total 13F value
- $16,607,746
- Portfolio coverage rank
- 0%
- Share change
- -148,053
- Value change
- -$2,267,526
- Number of holders
- 23
- Shares outstanding
- 4,081,364
- SEC-reported price per share
- $16.56
- Insider filing price
- $16.56
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- CLST - Catalyst Bancorp Inc - Common Stock is tracked under CUSIP 14888L101.
- 23 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 19 to 23 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $18,153,761 to $16,607,746.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 23 institutions filings for Q1 2026.
Security key
14888L101
Latest holder period
Q1 2026
13F holders
23
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
CLST full holder history
Catalyst Bancorp, Inc. SEC filings
Catalyst Bancorp, Inc. company facts
Catalyst Bancorp, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 14888L101:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
CLST
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Catalyst Bancorp, Inc. Employee Stock Ownership Plan | 10% | +2% | $6,564,472 | -$32,051 | 416,792 | -0.49% | Catalyst Bancorp, Inc. Employee Stock Ownership Plan | 31 Dec 2025 |
| Stilwell Joseph | 8.6% | +38% | $5,472,863 | +$1,390,722 | 348,590 | +34% | Stilwell Activist Fund, L.P. | 09 Apr 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.3% | $3,568,614 | 215,496 | Vanguard Capital Management | 31 Mar 2026 | |||
| ALLIANCEBERNSTEIN L.P. | 3.2% | $1,649,573 | 143,691 | AllianceBernstein L.P. | 30 Sep 2024 |
As of 31 Mar 2026, 23 institutional investors reported holding 1,004,417 shares of Catalyst Bancorp Inc - Common Stock (CLST). This represents 25% of the company’s total 4,081,364 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
25%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| STILWELL VALUE LLC | 6.9% | 282,434 | +11% | 2.8% | $4,677,107 |
| GRAHAM CAPITAL WEALTH MANAGEMENT, LLC | 4.8% | 197,285 | +1.1% | 2.9% | $3,267,040 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.7% | 190,140 | 0% | 0% | $3,148,718 |
| BlackRock, Inc. | 1.6% | 65,633 | +1.2% | 0% | $1,086,883 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.85% | 34,489 | -0.15% | 0% | $571,357 |
| ALLIANCEBERNSTEIN L.P. | 0.77% | 31,630 | 0% | $498,173 | |
| Montz Harcus Wealth Management LLC | 0.74% | 30,000 | 0% | 0.2% | $496,800 |
| Kestra Advisory Services, LLC | 0.61% | 25,000 | 0% | $414,000 | |
| VANGUARD FIDUCIARY TRUST CO | 0.59% | 24,216 | 0% | 0% | $401,017 |
| RENAISSANCE TECHNOLOGIES LLC | 0.57% | 23,200 | -0.43% | 0% | $384,192 |
| NewEdge Advisors, LLC | 0.53% | 21,500 | 0% | 0% | $356,040 |
| Summit Financial Wealth Advisors, LLC | 0.45% | 18,200 | 0% | 0.04% | $301,392 |
| WITTENBERG INVESTMENT MANAGEMENT, INC. | 0.33% | 13,669 | 0% | 0.08% | $226,359 |
| CITADEL ADVISORS LLC | 0.32% | 13,001 | 0% | $215,297 | |
| BASSWOOD CAPITAL MANAGEMENT, L.L.C. | 0.28% | 11,246 | 0% | 0.01% | $186,234 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.27% | 10,825 | 0% | $179,262 | |
| RAFFLES ASSOCIATES LP | 0.26% | 10,555 | 0% | 0.15% | $174,791 |
| Vanguard Global Advisers, LLC | 0.03% | 1,140 | 0% | 0% | $18,878 |
| American Capital Advisory, LLC | 0% | 125 | 0% | 0% | $2,070 |
| Golden State Wealth Management, LLC | 0% | 75 | 0% | 0% | $1,242 |
| UBS Group AG | 0% | 47 | +840% | 0% | $778 |
| BNP PARIBAS FINANCIAL MARKETS | 0% | 6 | 0% | 0% | $99 |
| CITIGROUP INC | 0% | 1 | 0% | 0% | $17 |
| BANK OF AMERICA CORP /DE/ | 0% | 0 | -100% | $0 | |
| Murchinson Ltd. | 0% | 0 | -100% | $0 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
18
Latest
Q1 2026
Rows shown
1-18 of 18
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 1,004,417 | $16,607,746 | -$2,267,526 | $16.56 | 23 |
| 2025 Q4 | 1,152,607 | $18,153,761 | +$6,013,361 | $15.75 | 19 |
| 2025 Q3 | 771,452 | $10,155,605 | -$135,298 | $13.15 | 19 |
| 2025 Q2 | 783,915 | $9,712,858 | +$288,735 | $12.39 | 19 |
| 2025 Q1 | 762,962 | $8,888,681 | -$1,448,183 | $11.65 | 20 |
| 2024 Q4 | 886,454 | $10,430,562 | -$450,605 | $11.77 | 22 |
| 2024 Q3 | 927,304 | $10,571,049 | +$671,205 | $11.40 | 18 |
| 2024 Q2 | 886,788 | $10,269,004 | -$350,155 | $11.58 | 17 |
| 2024 Q1 | 927,290 | $10,988,528 | +$703,742 | $11.85 | 19 |
| 2023 Q4 | 871,551 | $9,459,913 | +$86,052 | $10.84 | 18 |
| 2023 Q3 | 863,199 | $10,385,597 | +$73,649 | $12.06 | 15 |
| 2023 Q2 | 857,994 | $9,463,675 | +$126,672 | $11.03 | 14 |
| 2023 Q1 | 846,127 | $9,730,465 | +$721,385 | $11.50 | 15 |
| 2022 Q4 | 783,554 | $9,953,221 | +$153,379 | $12.70 | 17 |
| 2022 Q3 | 770,108 | $9,565,000 | +$263,947 | $12.40 | 12 |
| 2022 Q2 | 748,836 | $10,133,000 | -$71,018 | $13.53 | 11 |
| 2022 Q1 | 742,768 | $10,139,000 | +$563,739 | $13.65 | 12 |
| 2021 Q4 | 712,467 | $9,740,000 | +$9,330,000 | $13.68 | 12 |