Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in FUSB held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | GENDELL JEFFREY L | 397K | $6.1M | 0.0% | 7.034% | 0.08% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 94K | $1.4M | — | 1.657% | 0.00% |
| 3 | RENAISSANCE TECHNOLOGIES LLC | 82K | $1.3M | -5.8% | 1.457% | 0.00% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 57K | $872K | -3.0% | 1.008% | 0.00% |
| 5 | REGIONS FINANCIAL CORP | 53K | $816K | 0.0% | 0.944% | 0.01% |
| 6 | NORTHERN TRUST CORP | 47K | $712K | -0.7% | 0.824% | 0.00% |
| 7 | DIMENSIONAL FUND ADVISORS LP | 33K | $506K | +2.2% | 0.585% | 0.00% |
| 8 | VANGUARD FIDUCIARY TRUST CO | 31K | $472K | — | 0.546% | 0.00% |
| 9 | BlackRock, Inc. | 25K | $379K | -0.1% | 0.439% | 0.00% |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 21K | $319K | +26.5% | 0.369% | 0.00% |
| 11 | BLAIR WILLIAM & CO/IL | 19K | $291K | 0.0% | 0.336% | 0.00% |
| 12 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 16K | $249K | +8.1% | 0.288% | 0.01% |
| 13 | CITADEL ADVISORS LLC | 15K | $228K | +5.4% | 0.264% | 0.00% |
| 14 | Marble Wealth, LLC | 13K | $196K | -16.4% | 0.226% | 0.03% |
| 15 | Daytona Street Capital LLC | 12K | $187K | 0.0% | 0.214% | 0.14% |
| 16 | Diversified Enterprises, LLC | 11K | $176K | 0.0% | 0.203% | 0.01% |
| 17 | BANK OF AMERICA CORP /DE/ | 11K | $172K | -29.9% | 0.199% | 0.00% |
| 18 | EverSource Wealth Advisors, LLC | 3K | $99K | -49.1% | 0.045% | 0.00% |
| 19 | Vanguard Global Advisers, LLC | 3K | $40K | — | 0.046% | 0.00% |
| 20 | ROYAL BANK OF CANADA | 1K | $15K | 0.0% | 0.018% | 0.00% |
| 21 | ADVISOR GROUP HOLDINGS, INC. | 564 | $9K | +0.5% | 0.010% | 0.00% |
| 22 | UBS Group AG | 339 | $5K | +769.2% | 0.006% | 0.00% |
| 23 | Tower Research Capital LLC (TRC) | 276 | $4K | +240.7% | 0.005% | 0.00% |
| 24 | PRICE T ROWE ASSOCIATES INC /MD/ | 20K | $313 | 0.0% | 0.361% | 0.00% |
| 25 | MORGAN STANLEY | 10 | $157 | -9.1% | 0.000% | 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 FUSB — a direct measure of their conviction.
Filings activity in FUSB 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 | 28 | +3.7% | 15.89% | +1.39 pp | $15M | +9.6% |
| Q4 2025 | 27 | +13% | 14.50% | +2.72 pp | $13M | +23% |
| Q3 2025 | 24 | 4.0% | 11.78% | 0.79 pp | $11M | 6.3% |
| Q2 2025 | 25 | +8.7% | 12.57% | 0.26 pp | $11M | 2.0% |
| Q1 2025 | 23 | 4.2% | 12.83% | +0.25 pp | $12M | +2.0% |
| Q4 2024 | 24 | +0.0% | 12.58% | +1.44 pp | $11M | +13% |
| Q3 2024 | 24 | +0.0% | 11.14% | +2.41 pp | $10M | +28% |
| Q2 2024 | 24 | — | 8.73% | — | $8M | — |
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 FUSB stock.
Based on Q1 2026 13F filings, institutional ownership of First US Bancshares, Inc. stands at 15.9%, held across 28 reporting institutions.
GENDELL JEFFREY L is the largest reported institutional holder of FUSB, with approximately 397,454 shares worth $0.01B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of FUSB, including RENAISSANCE TECHNOLOGIES LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC.
Our composite Smart Money Score for FUSB is 74 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
3 institutions opened new positions in FUSB during Q1 2026, while 2 fully exited. 21 added to existing positions and 3 trimmed.
FUSB institutional ownership rose by 1.39 percentage points quarter-over-quarter, with a net change of +1 holders.
The top 10 institutions account for 88.5% of all reported 13F value in FUSB, 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.
First US Bancshares, Inc. (FUSB) Institutional Ownership