Catalyst Bancorp, Inc. (CLST) Ownership
CLST ownership summary
as of October 17, 2026- Institutions
- 27.6% of shares outstanding
- Insiders
- 17.94% of shares outstanding
- Shares outstanding
- 4.0M
- Float
- 2.6M shares available to trade
- Short interest
- 0.18% 5,965 shares short
- Days to cover
- 2.09 short interest down 21.1% vs prior month
- Institutions 27.64%
- Insiders 17.94%
- Other investors 54.42%
CLST top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Stilwell Value LLC | 9.03% | 364K | $6.2M | +81,651 (+28.9%) | June 30, 2026 |
| 2 | GRAHAM CAPITAL WEALTH MANAGEMENT, LLC | 4.86% | 196K | $3.3M | −1,346 (−0.7%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 4.70% | 189K | $3.2M | −654 (−0.3%) | June 30, 2026 |
| 4 | Knott David M Jr | 2.83% | 114K | $1.9M | +114,000 (0.0%) | June 30, 2026 |
| 5 | BlackRock Inc | 1.71% | 69K | $1.2M | +3,164 (+4.8%) | June 30, 2026 |
| 6 | AllianceBernstein L.P. | 1.51% | 61K | $1.0M | +29,436 (+93.1%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 0.86% | 35K | $587,361 | +82 (+0.2%) | June 30, 2026 |
| 8 | Montz Harcus Wealth Management LLC | 0.74% | 30K | $509,700 | — | September 30, 2026 |
| 9 | Kestra Advisory Services, LLC | 0.62% | 25K | $424,750 | — | June 30, 2026 |
| 10 | Vanguard Fiduciary Trust Co | 0.60% | 24K | $413,723 | +135 (+0.6%) | June 30, 2026 |
| 11 | Renaissance Technologies Corp | 0.57% | 23K | $392,469 | −100 (−0.4%) | June 30, 2026 |
| 12 | Susquehanna International Group, LLP | 0.57% | 23K | $392,095 | +12,253 (+113.2%) | June 30, 2026 |
| 13 | Raffles Associates LP | 0.52% | 21K | $358,659 | +10,555 (+100.0%) | June 30, 2026 |
| 14 | Citadel Advisors Llc | 0.36% | 15K | $247,748 | +1,581 (+12.2%) | June 30, 2026 |
| 15 | Summit Financial Wealth Advisors, LLC | 0.34% | 14K | $231,064 | −4,600 (−25.3%) | June 30, 2026 |
| 16 | Goss Wealth Management LLC | 0.29% | 12K | $195,385 | −10,000 (−46.5%) | June 30, 2026 |
| 17 | Basswood Capital Management LLC | 0.28% | 11K | $191,070 | — | June 30, 2026 |
| 18 | Wittenberg Investment Management Inc | 0.26% | 11K | $181,266 | −3,000 (−21.9%) | June 30, 2026 |
| 19 | Vanguard Global Advisers, LLC | 0.03% | 1,140 | $19,369 | — | June 30, 2026 |
| 20 | Golden State Wealth Management, LLC | <0.01% | 75 | $1,274 | — | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 253K shares and 6 cut 20K.
CLST top mutual fund and ETF holders
9 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.62% | 146K | $2.5M | — | August 31, 2026 |
| 2 | Fidelity Extended Market Index | 0.37% | 15K | $250,806 | −79 (−0.5%) | August 31, 2026 |
| 3 | iShares Micro-Cap ETF | 0.28% | 11K | $194,502 | −79 (−0.7%) | September 30, 2026 |
| 4 | Fidelity Total Market Index | 0.18% | 7,088 | $120,425 | — | August 31, 2026 |
| 5 | Fidelity Series Total Market Index | 0.12% | 4,810 | $81,722 | — | August 31, 2026 |
| 6 | Schwab Total Stock Market Index | 0.05% | 1,959 | $33,283 | — | August 31, 2026 |
| 7 | Vanguard Balanced Index Inv | 0.04% | 1,800 | $30,582 | — | August 31, 2026 |
| 8 | Vanguard U.S. Eq Idx £ Acc | 0.03% | 1,140 | $19,369 | — | August 31, 2026 |
| 9 | 1290 VT Micro Cap K | 0.02% | 791 | $13,439 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
CLST insider transactions
latest 2| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-10-28 | Kirk E Kleiser | Buy | $13.41 | 4,750 | $63,698 |
| 2025-06-11 | Kirk E Kleiser | Buy | $12.28 | 1,750 | $21,490 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
CLST shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns CLST
Institutional investors own 27.6% of Catalyst Bancorp's shares and insiders 17.94%. The largest holder is Stilwell Value LLC with 9.03% of the shares (364K), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 6 reduced their stake in the latest filings. Short interest is 0.18% of the float, or 2.09 days of average trading volume. The share count fell 29.6% since 2020.
Related: CLST key metrics. See the CLST stock overview for the latest quote and news.
CLST ownership FAQ
Who owns the most Catalyst Bancorp stock?
The largest shareholders of Catalyst Bancorp are Stilwell Value LLC (9.03%), GRAHAM CAPITAL WEALTH MANAGEMENT, LLC (4.86%), Vanguard Capital Management, LLC (4.70%), Knott David M Jr (2.83%), BlackRock Inc (1.71%).
What percentage of Catalyst Bancorp is owned by institutions?
Institutions hold 27.6% of Catalyst Bancorp's shares outstanding; insiders hold 17.94%.
Which funds own Catalyst Bancorp?
The largest fund holders of Catalyst Bancorp are Vanguard MStar Total Stk Mkt Idx Invest (3.62%), Fidelity Extended Market Index (0.37%), iShares Micro-Cap ETF (0.28%), Fidelity Total Market Index (0.18%), Fidelity Series Total Market Index (0.12%).
What is Catalyst Bancorp's short interest?
5,965 shares of Catalyst Bancorp were sold short, 0.18% of the float; at the average daily volume it would take 2.09 days to cover.
Are insiders buying or selling Catalyst Bancorp?
Of the latest 2 reported insider transactions in Catalyst Bancorp (since June 11, 2025), 2 were purchases and 0 were sales.
How many shares of Catalyst Bancorp are outstanding?
Catalyst Bancorp has 4.0M shares outstanding, of which 2.6M are in the public float.