Catalyst Bancorp, Inc. - Common Stock, Par Value $0.01 Per Share (CLST) Institutional Ownership

13F Institutional Holders and Ownership History from Q4 2021 to Q4 2025

Type / Class
Equity / Common Stock, Par Value $0.01 Per Share
Symbol
CLST on Nasdaq
Shares outstanding
4,086,195
Price per share
$15.70
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
1,152,607
Total reported value
$18,153,761
% of total 13F portfolios
0%
Share change
+381,155
Value change
+$6,013,361
Number of holders
19
Price from insider filings
$15.70
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Catalyst Bancorp, Inc. - Common Stock, Par Value $0.01 Per Share (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 6.3% +22% $3,642,726 +$616,804 260,009 +20% Stilwell Activist Fund, L.P. 08 Jan 2026
ALLIANCEBERNSTEIN L.P. 3.2% $1,649,573 143,691 AllianceBernstein L.P. 30 Sep 2024

As of 31 Dec 2025, 19 institutional investors reported holding 1,152,607 shares of Catalyst Bancorp, Inc. - Common Stock, Par Value $0.01 Per Share (CLST). This represents 28% of the company’s total 4,086,195 outstanding shares.

Top 21 Institutional Shareholders

The largest institutional shareholders of Catalyst Bancorp, Inc. - Common Stock, Par Value $0.01 Per Share (CLST) together control 28% 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
Murchinson Ltd. 6.3% 259,067 2.5% $4,080,305
STILWELL VALUE LLC 6.2% 254,697 +117% 2.2% $4,011,478
VANGUARD GROUP INC 5.3% 215,633 -1.9% 0% $3,396,220
GRAHAM CAPITAL WEALTH MANAGEMENT, LLC 4.8% 195,126 -0.58% 2.8% $3,073,234
BlackRock, Inc. 1.6% 64,853 -0.74% 0% $1,021,436
GEODE CAPITAL MANAGEMENT, LLC 0.85% 34,540 -3.2% 0% $544,204
Montz Harcus Wealth Management LLC 0.73% 30,000 0% 0.19% $472,500
RENAISSANCE TECHNOLOGIES LLC 0.57% 23,300 +2.2% 0% $366,975
NewEdge Advisors, LLC 0.53% 21,500 0% 0% $338,625
Summit Financial Wealth Advisors, LLC 0.45% 18,200 0% 0.04% $286,650
WITTENBERG INVESTMENT MANAGEMENT, INC. 0.33% 13,669 0% 0.08% $215,287
BASSWOOD CAPITAL MANAGEMENT, L.L.C. 0.28% 11,246 0% 0.01% $177,125
RAFFLES ASSOCIATES LP 0.26% 10,555 0% 0.12% $166,241
American Capital Advisory, LLC 0% 125 0% 0% $1,969
Golden State Wealth Management, LLC 0% 75 0% 0% $1,181
BANK OF AMERICA CORP /DE/ 0% 9 -36% 0% $142
BNP PARIBAS FINANCIAL MARKETS 0% 6 0% 0% $94
UBS Group AG 0% 5 -100% 0% $79
CITIGROUP INC 0% 1 0% $16
BARCLAYS PLC 0% 0 -100% $0
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0% 0 -100% $0

Institutional Holders of Catalyst Bancorp, Inc. - Common Stock, Par Value $0.01 Per Share (CLST) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
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