CLST · Catalyst Bancorp, Inc. · Shareholders & Ownership

$17.50 -0.40 (-2.23%) At close · Nov 6

Market Cap

$70.59M

4.03M

Volume · Nov 6 8409 Avg daily vol (3M) 3746

Every disclosed holder of CLST in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns CLST

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	24	1,225,331	30.38%	Yes
Insiders (Forms 3, 4, 5)	10	378,163	9.37%	Yes
13D/G-only blocks	1	416,791	10.33%	Yes
Remaining	—	2,013,506	49.92%	Rest
Registered funds (N-PORT, not summed)	9	230,897	5.72%	No

Shares outstanding: 4,033,791, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of CLST

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	Catalyst Bancorp, Inc. Employee Stock Ownership Plan 13G CIK 1910868 · Pension or benefit plan · Dec 31, 2025 Rule 13d-1(b), qualified institution	416,791	10.33%	-2,036	Dec 31, 2025	Rule 13d-1(b), qualified institution
2	STILWELL JOSEPH 13D CIK 1113303 · Unknown · Aug 27, 2026 Item 4 purpose: Control or board seats, Strategic alternatives not summed	364,085	9.03%	+15,495	Aug 27, 2026	not summed
3	STILWELL VALUE LLC 13F CIK 1397076 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	364,085	9.03%	+81,651	Jun 30, 2026	carried, not yet filed for the newest quarter
4	GRAHAM CAPITAL WEALTH MANAGEMENT, LLC 13F CIK 1907528 · Registered investment adviser · Sep 30, 2026	194,527	4.82%	-1,412	Sep 30, 2026
5	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	189,486	4.70%	-654	Jun 30, 2026	carried, not yet filed for the newest quarter
6	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	146,142	3.62%	-1,800	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
7	Knott David M Jr 13F CIK 1892770 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	114,000	2.83%	+114,000	Jun 30, 2026	carried, not yet filed for the newest quarter
8	Zanco Joseph B Insider CIK 1318329 · Sep 1, 2026 EVP & Chief Financial Officer, issuer-wide	85,513	2.12%	-1,048	Sep 1, 2026	EVP & Chief Financial Officer, issuer-wide
9	Kleiser Kirk E. Insider CIK 1885818 · Nov 4, 2026 Director, issuer-wide	72,690	1.80%	+2,233	Nov 4, 2026	Director, issuer-wide
10	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	68,797	1.71%	+3,164	Jun 30, 2026	carried, not yet filed for the newest quarter
10.1	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	12,001	0.30%	+2,927	Jun 30, 2026	iShares Trust, not summed
11	ALLIANCEBERNSTEIN L.P. 13F CIK 1109448 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	61,066	1.51%	+29,436	Jun 30, 2026	carried, not yet filed for the newest quarter
12	Bellard Ted D. Insider CIK 1884982 · Jun 10, 2026 Director, issuer-wide	45,402	1.13%	+1,058	Jun 10, 2026	Director, issuer-wide
13	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	41,544	1.03%	-135	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
14	Scruggins Matthew L. Insider CIK 1885817 · Jun 10, 2026 Director, issuer-wide	35,912	0.89%	+1,058	Jun 10, 2026	Director, issuer-wide
15	Lafleur Frederick R. Insider CIK 1885822 · Jun 10, 2026 Director, issuer-wide	35,580	0.88%	+1,058	Jun 10, 2026	Director, issuer-wide
16	LeBouef Craig C. Insider CIK 1885821 · Jun 10, 2026 Director, issuer-wide	35,580	0.88%	+1,058	Jun 10, 2026	Director, issuer-wide
17	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Sep 30, 2026	34,270	0.85%	-301	Sep 30, 2026
18	Kidder Todd A. Insider CIK 1885824 · Jun 11, 2026 Director, issuer-wide	30,580	0.76%	+1,058	Jun 11, 2026	Director, issuer-wide
19	Montz Harcus Wealth Management LLC 13F CIK 1918613 · Registered investment adviser · Sep 30, 2026	30,000	0.74%	0	Sep 30, 2026
20	Kestra Advisory Services, LLC 13F CIK 1830819 · Unknown · Sep 30, 2026	25,000	0.62%	0	Sep 30, 2026
21	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	24,351	0.60%	+135	Jun 30, 2026	carried, not yet filed for the newest quarter
22	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	23,100	0.57%	-100	Jun 30, 2026	carried, not yet filed for the newest quarter
23	SUSQUEHANNA INTERNATIONAL GROUP, LLP 13F CIK 1446194 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	23,078	0.57%	+12,253	Jun 30, 2026	carried, not yet filed for the newest quarter
24	Ledet Don P Insider CIK 2001460 · Jun 10, 2026 CHIEF RISK OFFICER, issuer-wide	14,857	0.37%	+2,017	Jun 10, 2026	CHIEF RISK OFFICER, issuer-wide
25	Fidelity Extended Market Index Fund Fund S000006021 · Registered fund · Aug 31, 2026 Fidelity Concord Street Trust, not summed	14,762	0.37%	+1,262	Aug 31, 2026	Fidelity Concord Street Trust, not summed
26	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	14,582	0.36%	+1,581	Jun 30, 2026	carried, not yet filed for the newest quarter
27	Quebedeaux Amanda B. Insider CIK 1885819 · Sep 1, 2026 Chief Operations Officer, issuer-wide	13,861	0.34%	-684	Sep 1, 2026	Chief Operations Officer, issuer-wide
28	Summit Financial Wealth Advisors, LLC 13F CIK 1632283 · Registered investment adviser · Sep 30, 2026	13,600	0.34%	0	Sep 30, 2026
29	NewEdge Advisors, LLC 13F CIK 1633516 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	11,500	0.29%	-10,000	Jun 30, 2026	carried, not yet filed for the newest quarter
30	BASSWOOD CAPITAL MANAGEMENT, L.L.C. 13F CIK 1085393 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	11,246	0.28%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
31	WITTENBERG INVESTMENT MANAGEMENT, INC. 13F CIK 1697790 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	10,669	0.26%	-3,000	Jun 30, 2026	carried, not yet filed for the newest quarter
32	RAFFLES ASSOCIATES LP 13F CIK 1169581 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	10,555	0.26%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
33	Bourque Jacques L.J. Insider CIK 1911094 · Sep 1, 2026 CHIEF FINANCIAL OFFICER, issuer-wide	8,188	0.20%	-228	Sep 1, 2026	CHIEF FINANCIAL OFFICER, issuer-wide
34	Fidelity Total Market Index Fund Fund S000006026 · Registered fund · Aug 31, 2026 Fidelity Concord Street Trust, not summed	7,088	0.18%	-6	Aug 31, 2026	Fidelity Concord Street Trust, not summed
35	Fidelity Series Total Market Index Fund Fund S000065248 · Registered fund · Aug 31, 2026 Fidelity Concord Street Trust, not summed	4,810	0.12%	-349	Aug 31, 2026	Fidelity Concord Street Trust, not summed
36	Schwab Total Stock Market Index Fund Fund S000005913 · Registered fund · Jul 31, 2026 SCHWAB CAPITAL TRUST, not summed	1,959	0.05%	0	Jul 31, 2026	SCHWAB CAPITAL TRUST, not summed
37	VANGUARD BALANCED INDEX FUND Fund S000002560 · Registered fund · Jun 30, 2026 VANGUARD VALLEY FORGE FUNDS, not summed	1,800	0.04%	+1,281	Jun 30, 2026	VANGUARD VALLEY FORGE FUNDS, not summed
38	Vanguard Global Advisers, LLC 13F CIK 1811242 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,140	0.03%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
39	1290 VT Micro Cap Portfolio Fund S000044688 · Registered fund · Jun 30, 2026 EQ Advisors Trust, not summed	791	0.02%	+177	Jun 30, 2026	EQ Advisors Trust, not summed
40	American Capital Advisory, LLC 13F CIK 2018007 · Registered investment adviser · Sep 30, 2026	125	0.00%	0	Sep 30, 2026
41	Golden State Wealth Management, LLC 13F CIK 1776033 · Unknown · Sep 30, 2026	75	0.00%	0	Sep 30, 2026
42	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	68	0.00%	+21	Jun 30, 2026	carried, not yet filed for the newest quarter
43	BNP PARIBAS ARBITRAGE, SA 13F CIK 1166588 · Non-US institution · Jun 30, 2026 carried, not yet filed for the newest quarter	6	0.00%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
44	BARCLAYS PLC 13F CIK 312069 · Bank · Sep 30, 2026	5	0.00%	+5	Sep 30, 2026

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Key facts CIK 1849867 CUSIP 14888L101 13F (30d) 8 filings 8 filers Visit website Investor relations