Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in BLIN held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BARD ASSOCIATES INC | 1.1M | $859K | -7.0% | 8.554% | 0.22% |
| 2 | RENAISSANCE TECHNOLOGIES LLC | 159K | $127K | +8.6% | 1.260% | 0.00% |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | 127K | $101K | +0.4% | 1.005% | 0.00% |
| 4 | Lido Advisors, LLC | 79K | $63K | +37.1% | 0.627% | 0.00% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 76K | $61K | β | 0.604% | 0.00% |
| 6 | CITADEL ADVISORS LLC | 56K | $45K | -52.4% | 0.445% | 0.00% |
| 7 | VANGUARD FIDUCIARY TRUST CO | 35K | $28K | β | 0.275% | 0.00% |
| 8 | XTX Topco Ltd | 24K | $19K | -9.7% | 0.189% | 0.00% |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 23K | $18K | -25.9% | 0.183% | 0.00% |
| 10 | LPL Financial LLC | 19K | $15K | β | 0.151% | 0.00% |
| 11 | STATE STREET CORP | 16K | $13K | 0.0% | 0.129% | 0.00% |
| 12 | NORTHERN TRUST CORP | 12K | $9K | 0.0% | 0.092% | 0.00% |
| 13 | Schonfeld Strategic Advisors LLC | 10K | $8K | -1.1% | 0.081% | 0.00% |
| 14 | Tower Research Capital LLC (TRC) | 5K | $4K | -4.1% | 0.036% | 0.00% |
| 15 | CITIGROUP INC | 646 | $515 | -82.2% | 0.005% | 0.00% |
| 16 | TD Waterhouse Canada Inc. | 200 | $179 | β | 0.002% | 0.00% |
| 17 | UBS Group AG | 2 | $2 | -50.0% | 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 BLIN β a direct measure of their conviction.
Filings activity in BLIN 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 | 17 | 5.6% | 10.55% | 1.12 pp | $1M | 9.6% |
| Q4 2025 | 18 | +20% | 11.67% | 8.00 pp | $2M | 41% |
| Q3 2025 | 15 | +7.1% | 19.67% | 1.41 pp | $3M | 6.7% |
| Q2 2025 | 14 | 13% | 21.08% | 1.58 pp | $3M | 7.0% |
| Q1 2025 | 16 | +23% | 22.66% | +17.47 pp | $3M | +337% |
| Q4 2024 | 13 | +0.0% | 5.19% | +1.79 pp | $1M | +52% |
| Q3 2024 | 13 | +0.0% | 3.40% | 1.48 pp | $0M | 30% |
| Q2 2024 | 13 | β | 4.88% | β | $1M | 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 BLIN stock.
Based on Q1 2026 13F filings, institutional ownership of Bridgeline Digital, Inc. stands at 10.5%, held across 17 reporting institutions.
BARD ASSOCIATES INC is the largest reported institutional holder of BLIN, with approximately 1,077,770 shares worth $0.00B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of BLIN, including RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for BLIN is 45 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
4 institutions opened new positions in BLIN during Q1 2026, while 5 fully exited. 2 added to existing positions and 11 trimmed.
BLIN institutional ownership fell by 1.12 percentage points quarter-over-quarter, with a net change of -1 holders.
The top 10 institutions account for 97.5% of all reported 13F value in BLIN, 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.
Bridgeline Digital, Inc. (BLIN) Institutional Ownership