Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in CLST held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Stilwell Value LLC | 282K | $4.7M | +10.9% | 6.959% | 2.80% |
| 2 | GRAHAM CAPITAL WEALTH MANAGEMENT, LLC | 197K | $3.3M | +1.1% | 4.861% | 2.90% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 190K | $3.1M | β | 4.685% | 0.00% |
| 4 | BlackRock, Inc. | 66K | $1.1M | +1.2% | 1.617% | 0.00% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 34K | $571K | -0.1% | 0.850% | 0.00% |
| 6 | ALLIANCEBERNSTEIN L.P. | 32K | $498K | β | 0.779% | 0.00% |
| 7 | Montz Harcus Wealth Management LLC | 30K | $497K | 0.0% | 0.739% | 0.20% |
| 8 | Kestra Advisory Services, LLC | 25K | $414K | β | 0.616% | 0.00% |
| 9 | VANGUARD FIDUCIARY TRUST CO | 24K | $401K | β | 0.597% | 0.00% |
| 10 | RENAISSANCE TECHNOLOGIES LLC | 23K | $384K | -0.4% | 0.572% | 0.00% |
| 11 | WITTENBERG INVESTMENT MANAGEMENT, INC. | 14K | $226K | 0.0% | 0.337% | 0.08% |
| 12 | CITADEL ADVISORS LLC | 13K | $215K | β | 0.320% | 0.00% |
| 13 | BASSWOOD CAPITAL MANAGEMENT, L.L.C. | 11K | $186K | 0.0% | 0.277% | 0.01% |
| 14 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11K | $179K | β | 0.267% | 0.00% |
| 15 | RAFFLES ASSOCIATES LP | 11K | $175K | 0.0% | 0.260% | 0.15% |
| 16 | GWM Advisors LLC | 22K | $22K | 0.0% | 0.530% | 0.00% |
| 17 | Vanguard Global Advisers, LLC | 1K | $19K | β | 0.028% | 0.00% |
| 18 | American Capital Advisory, LLC | 125 | $2K | 0.0% | 0.003% | 0.00% |
| 19 | Golden State Wealth Management, LLC | 75 | $1K | 0.0% | 0.002% | 0.00% |
| 20 | UBS Group AG | 47 | $778 | +840.0% | 0.001% | 0.00% |
| 21 | BNP PARIBAS ARBITRAGE, SA | 6 | $99 | 0.0% | 0.000% | 0.00% |
| 22 | CITIGROUP INC | 1 | $17 | 0.0% | 0.000% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in CLST β a direct measure of their conviction.
Filings activity in CLST during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 22 | +10% | 24.49% | 3.35 pp | $16M | 12% |
| Q4 2025 | 20 | +5.3% | 27.84% | +12.27 pp | $18M | +79% |
| Q3 2025 | 19 | +0.0% | 15.57% | +1.02 pp | $10M | +7.0% |
| Q2 2025 | 19 | 9.5% | 14.55% | +0.92 pp | $9M | +6.7% |
| Q1 2025 | 21 | 13% | 13.63% | 5.02 pp | $9M | 27% |
| Q4 2024 | 24 | +26% | 18.65% | +3.63 pp | $12M | +24% |
| Q3 2024 | 19 | +0.0% | 15.02% | 0.88 pp | $10M | 5.6% |
| Q2 2024 | 19 | β | 15.90% | β | $10M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying CLST stock.
Based on Q1 2026 13F filings, institutional ownership of Catalyst Bancorp, Inc. stands at 24.5%, held across 22 reporting institutions.
Stilwell Value LLC is the largest reported institutional holder of CLST, with approximately 282,434 shares worth $0.00B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of CLST, including RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for CLST is 54 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
7 institutions opened new positions in CLST during Q1 2026, while 5 fully exited. 14 added to existing positions and 1 trimmed.
CLST institutional ownership fell by 3.35 percentage points quarter-over-quarter, with a net change of +2 holders.
The top 10 institutions account for 93.6% of all reported 13F value in CLST, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Catalyst Bancorp, Inc. (CLST) Institutional Ownership