Security Snapshot

Catalyst Bancorp Inc - Common Stock (CLST) Institutional Ownership

CUSIP: 14888L101

13F Institutional Holders and Ownership History from Q4 2021 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

21

Shares (Excl. Options)

964,717

Price

$16.56

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Type / Class
Equity / Common Stock
Symbol
CLST on Nasdaq
Shares outstanding
4,081,364
Price per share
$16.56
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
964,717
Total reported value
$15,950,314
% of total 13F portfolios
0%
Share change
-148,053
Value change
-$2,267,526
Number of holders
21
Price from insider filings
$16.56
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Key facts

  • CLST - Catalyst Bancorp Inc - Common Stock is tracked under CUSIP 14888L101.
  • 21 institutions reported positions in Q1 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 19 to 21 between Q4 2025 and Q1 2026.
  • Reported value moved from $18,153,761 to $15,950,314.

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

Latest holder context comes from 21 institutions filings for Q1 2026.

Open SEC Evidence

Security key

14888L101

Latest holder period

Q1 2026

13F holders

21

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

Latest 13F filings Latest 13D/G filings All securities

Significant Owners of Catalyst Bancorp Inc - Common Stock (CLST) based on Schedule 13D/G filings

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, 21 institutional investors reported holding 964,717 shares of Catalyst Bancorp Inc - Common Stock (CLST). This represents 24% of the company’s total 4,081,364 outstanding shares.

Top 24 Institutional Shareholders

The largest institutional shareholders of Catalyst Bancorp Inc - Common Stock (CLST) together control 24% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

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
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
Murchinson Ltd. 0% 0 -100% $0
BANK OF AMERICA CORP /DE/ 0% 0 -100% $0
NewEdge Advisors, LLC 0.53% 21,500 0% $21,500

Institutional Holders of Catalyst Bancorp Inc - Common Stock (CLST) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 964,717 $15,950,314 -$2,267,526 $16.56 21
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
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