Catalyst Bancorp CLST Institutional Ownership

NASDAQ CLST

$18.00 -0.15 (-0.80%)

As of: Sep 9, 2026 · 11:26 AM EDT

Institutions by Trading Activity

23 Institutions

Increased 9 39.1%

Unchanged 8 34.8%

Reduced 6 26.1%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

34.26%

▲+6.25 pp QoQ

Shares Held by Institutions

1.23Mn

of 3.58Mn outstanding

▲+22.16% QoQ

Shares Outstanding

3.58Mn

2.35Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

■0 vs prior quarter

Net Shares Added (QoQ)

+222.62K

accumulated since last quarter

Value of Holdings

$22.23Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Catalyst Bancorp, Inc. (NASDAQ:CLST) showed up in the 13F filings of 23 institutional investors as of June 2026.

Collectively, these holders controlled 34.3% of Catalyst Bancorp's outstanding shares in June 2026, up from 28.0% in March 2026.
They increased total shares held in CLST by 22.16% quarter over quarter, and investors in Catalyst Bancorp increased 15.0% from a year ago.
Of these 23 holders, 9 added to their stakes in Catalyst Bancorp, 6 trimmed positions, and 8 made no changes.
Combined, these investors held 1.23Mn shares in CLST for June 2026, up by 222.62K shares quarter on quarter, and up 443.12K shares year over year.
As of June 30, 2026, Stilwell Value LLC held the largest stake in Catalyst Bancorp with 364.08K shares, accounting for 10.16% of total shares outstanding.
Top purchasers of CLST stock for the quarter ending June 2026 included Knott David M Jr (114.0K), Stilwell Value LLC (81.65K), ALLIANCEBERNSTEIN L.P. (29.44K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (12.25K), BlackRock, Inc. (3.16K).
Top sellers of CLST stock for the quarter ending June 2026 included NewEdge Advisors, LLC (10.0K), Summit Financial Wealth Advisors, LLC (4.6K), WITTENBERG INVESTMENT MANAGEMENT, INC. (3.0K), GRAHAM CAPITAL WEALTH MANAGEMENT, LLC (1.35K), VANGUARD CAPITAL MANAGEMENT LLC (654).
Catalyst Bancorp's 10 largest shareholders as of June 2026 include Stilwell Value LLC (364.08K), GRAHAM CAPITAL WEALTH MANAGEMENT, LLC (195.94K), VANGUARD CAPITAL MANAGEMENT LLC (189.49K), Knott David M Jr (114.0K), BlackRock, Inc. (68.8K), ALLIANCEBERNSTEIN L.P. (61.07K), GEODE CAPITAL MANAGEMENT, LLC (34.57K), Montz Harcus Wealth Management LLC (30.0K), Kestra Advisory Services, LLC (25.0K), VANGUARD FIDUCIARY TRUST CO (24.35K) per Business Quant data.

Form 13F Holdings

23 Institutional Holders

Report period 30 Jun, 2026

Total shares held 1.23Mn

Of outstanding 34.26%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Stilwell Value LLC	0001397076	364,085	10.16%	▲81,651	+28.91%	$6.01Mn
2	GRAHAM CAPITAL WEALTH MANAGEMENT, LLC	0001907528	195,939	5.47%	▼1,346	-0.68%	$3.23Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	189,486	5.29%	▼654	-0.34%	$3.13Mn
4	Knott David M Jr	0001892770	114,000	3.18%	▲114,000	0.00%	$3.58Mn
5	BlackRock, Inc.	0002012383	68,797	1.92%	▲3,164	+4.82%	$1.14Mn
6	ALLIANCEBERNSTEIN L.P.	0001109448	61,066	1.70%	▲29,436	+93.06%	$1.01Mn
7	GEODE CAPITAL MANAGEMENT, LLC	0001214717	34,571	0.97%	▲82	+0.24%	$571.00K
8	Montz Harcus Wealth Management LLC	0001918613	30,000	0.84%	0	0.00%	$495.30K
9	Kestra Advisory Services, LLC	0001830819	25,000	0.70%	0	0.00%	$412.75K
10	VANGUARD FIDUCIARY TRUST CO	0000933478	24,351	0.68%	▲135	+0.56%	$402.04K
11	RENAISSANCE TECHNOLOGIES LLC	0001037389	23,100	0.64%	▼100	-0.43%	$381.38K
12	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	23,078	0.64%	▲12,253	+113.19%	$381.02K
13	CITADEL ADVISORS LLC	0001423053	14,582	0.41%	▲1,581	+12.16%	$240.75K
14	Summit Financial Wealth Advisors, LLC	0001632283	13,600	0.38%	▼4,600	-25.27%	$224.54K
15	NewEdge Advisors, LLC	0001633516	11,500	0.32%	▼10,000	-46.51%	$189.87K
16	BASSWOOD CAPITAL MANAGEMENT, L.L.C.	0001085393	11,246	0.31%	0	0.00%	$185.67K
17	WITTENBERG INVESTMENT MANAGEMENT, INC.	0001697790	10,669	0.30%	▼3,000	-21.95%	$176.15K
18	RAFFLES ASSOCIATES LP	0001169581	10,555	0.29%	0	0.00%	$174.26K
19	Vanguard Global Advisers, LLC	0001811242	1,140	0.03%	0	0.00%	$18.82K
20	American Capital Advisory, LLC	0002018007	125	0.00%	0	0.00%	$2.06K

Showing 1 to 20 of 23 holders