Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in FSBW held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 437K | $16.9M | -1.6% | 5.823% | 0.00% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 418K | $16.1M | -0.0% | 5.576% | 0.00% |
| 3 | De Lisle Partners LLP | 392K | $15.2M | +1.6% | 5.221% | 1.81% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 325K | $12.6M | — | 4.336% | 0.00% |
| 5 | Pacific Ridge Capital Partners, LLC | 208K | $8.0M | +0.3% | 2.774% | 1.74% |
| 6 | ALLIANCEBERNSTEIN L.P. | 145K | $6.0M | -2.5% | 1.931% | 0.00% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 153K | $5.9M | -0.1% | 2.040% | 0.00% |
| 8 | TCW GROUP INC | 152K | $5.9M | 0.0% | 2.027% | 0.04% |
| 9 | STATE STREET CORP | 128K | $5.0M | +0.6% | 1.710% | 0.00% |
| 10 | RENAISSANCE TECHNOLOGIES LLC | 109K | $4.2M | -0.8% | 1.452% | 0.01% |
| 11 | ROYCE & ASSOCIATES LP | 98K | $3.8M | -0.6% | 1.307% | 0.04% |
| 12 | AMERICAN CENTURY COMPANIES INC | 86K | $3.3M | -0.3% | 1.142% | 0.00% |
| 13 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 85K | $3.3M | +2.4% | 1.137% | 0.07% |
| 14 | NORTHERN TRUST CORP | 74K | $2.8M | +3.5% | 0.980% | 0.00% |
| 15 | Stilwell Value LLC | 72K | $2.8M | -4.0% | 0.960% | 1.67% |
| 16 | Siena Capital Partners GP, LLC | 52K | $2.0M | 0.0% | 0.699% | 0.52% |
| 17 | Bank of New York Mellon Corp | 48K | $1.9M | -9.3% | 0.646% | 0.00% |
| 18 | Empowered Funds, LLC | 40K | $1.5M | 0.0% | 0.531% | 0.01% |
| 19 | VANGUARD FIDUCIARY TRUST CO | 40K | $1.5M | — | 0.529% | 0.00% |
| 20 | VANGUARD PORTFOLIO MANAGEMENT LLC | 37K | $1.4M | — | 0.496% | 0.00% |
| 21 | TWO SIGMA INVESTMENTS, LP | 36K | $1.4M | +48.1% | 0.483% | 0.00% |
| 22 | MORGAN STANLEY | 35K | $1.3M | +47.8% | 0.463% | 0.00% |
| 23 | Aristides Capital LLC | 34K | $1.3M | +4.2% | 0.459% | 0.44% |
| 24 | Daytona Street Capital LLC | 32K | $1.3M | 0.0% | 0.432% | 0.98% |
| 25 | RAYMOND JAMES FINANCIAL INC | 31K | $1.2M | -1.5% | 0.418% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in FSBW — a direct measure of their conviction.
Filings activity in FSBW during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 101 | +2.0% | 44.66% | 2.96 pp | $143M | 6.2% |
| Q4 2025 | 99 | +5.3% | 47.62% | +1.73 pp | $152M | +3.8% |
| Q3 2025 | 94 | +3.3% | 45.89% | +0.31 pp | $147M | +0.7% |
| Q2 2025 | 91 | +3.4% | 45.58% | 42.30 pp | $146M | 48% |
| Q1 2025 | 88 | 5.4% | 87.88% | +38.68 pp | $281M | +79% |
| Q4 2024 | 93 | +8.1% | 49.20% | 3.38 pp | $157M | 6.4% |
| Q3 2024 | 86 | +7.5% | 52.58% | +10.59 pp | $168M | +25% |
| Q2 2024 | 80 | — | 41.99% | — | $134M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying FSBW stock.
Based on Q1 2026 13F filings, institutional ownership of FS Bancorp, Inc. stands at 44.7%, held across 101 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of FSBW, with approximately 436,787 shares worth $0.02B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of FSBW, including RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for FSBW is 47 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
8 institutions opened new positions in FSBW during Q1 2026, while 6 fully exited. 15 added to existing positions and 77 trimmed.
FSBW institutional ownership fell by 2.96 percentage points quarter-over-quarter, with a net change of +2 holders.
The top 10 institutions account for 66.9% of all reported 13F value in FSBW, and the top 25 account for 88.5%.
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.
FS Bancorp, Inc. (FSBW) Institutional Ownership