Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in STXS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | DAFNA Capital Management LLC | 13.7M | $25.2M | 0.0% | 13.997% | 5.73% |
| 2 | Lagoda Investment Management, L.P. | 4.4M | $8.0M | -10.5% | 4.451% | 4.94% |
| 3 | BlackRock, Inc. | 4.0M | $7.3M | -1.7% | 4.048% | 0.00% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 3.0M | $5.5M | β | 3.067% | 0.00% |
| 5 | Arbiter Partners Capital Management LLC | 2.9M | $5.3M | 0.0% | 2.951% | 3.53% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1.7M | $3.1M | +7.0% | 1.714% | 0.00% |
| 7 | ESSEX INVESTMENT MANAGEMENT CO LLC | 1.6M | $2.9M | +1.8% | 1.627% | 0.46% |
| 8 | Archon Capital Management LLC | 1.2M | $2.3M | 0.0% | 1.254% | 1.27% |
| 9 | Warberg Asset Management LLC | 1.1M | $2.0M | -1.2% | 1.119% | 0.59% |
| 10 | STATE STREET CORP | 958K | $1.8M | +7.4% | 0.980% | 0.00% |
| 11 | AlphaCentric Advisors LLC | 600K | $1.1M | 0.0% | 0.614% | 1.10% |
| 12 | Bank Julius Baer & Co. Ltd, Zurich | 541K | $995K | β | 0.553% | 0.00% |
| 13 | VANGUARD FIDUCIARY TRUST CO | 530K | $975K | β | 0.542% | 0.00% |
| 14 | SEI INVESTMENTS CO | 519K | $955K | +108.9% | 0.531% | 0.00% |
| 15 | NORTHERN TRUST CORP | 497K | $914K | +5.0% | 0.508% | 0.00% |
| 16 | Sequoia Financial Advisors, LLC | 381K | $700K | β | 0.390% | 0.00% |
| 17 | RENAISSANCE TECHNOLOGIES LLC | 373K | $686K | -16.9% | 0.381% | 0.00% |
| 18 | VANGUARD PORTFOLIO MANAGEMENT LLC | 369K | $678K | β | 0.377% | 0.00% |
| 19 | GOLDMAN SACHS GROUP INC | 269K | $495K | +30.3% | 0.275% | 0.00% |
| 20 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 237K | $437K | -73.7% | 0.243% | 0.04% |
| 21 | UBS Group AG | 237K | $437K | +5.2% | 0.243% | 0.00% |
| 22 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 221K | $408K | 0.0% | 0.227% | 0.01% |
| 23 | CAPTRUST FINANCIAL ADVISORS | 221K | $407K | β | 0.226% | 0.00% |
| 24 | Independent Advisor Alliance | 201K | $370K | +1.3% | 0.206% | 0.00% |
| 25 | Bank of New York Mellon Corp | 196K | $361K | -3.9% | 0.200% | 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 STXS β a direct measure of their conviction.
Filings activity in STXS 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 | 111 | +8.8% | 43.33% | 10.44 pp | $78M | 19% |
| Q4 2025 | 102 | +4.1% | 53.77% | 17.37 pp | $97M | 24% |
| Q3 2025 | 98 | +15% | 71.14% | +24.05 pp | $128M | +51% |
| Q2 2025 | 85 | 1.2% | 47.09% | +9.17 pp | $85M | +24% |
| Q1 2025 | 86 | +3.6% | 37.92% | 13.59 pp | $68M | 26% |
| Q4 2024 | 83 | +1.2% | 51.51% | +6.41 pp | $93M | +14% |
| Q3 2024 | 82 | +17% | 45.10% | +5.21 pp | $81M | +13% |
| Q2 2024 | 70 | β | 39.89% | β | $72M | 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 STXS stock.
Based on Q1 2026 13F filings, institutional ownership of Stereotaxis, Inc. stands at 43.3%, held across 111 reporting institutions.
DAFNA Capital Management LLC is the largest reported institutional holder of STXS, with approximately 13,680,554 shares worth $0.03B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of STXS, including RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for STXS is 42 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
25 institutions opened new positions in STXS during Q1 2026, while 16 fully exited. 9 added to existing positions and 76 trimmed.
STXS institutional ownership fell by 10.44 percentage points quarter-over-quarter, with a net change of +9 holders.
The top 10 institutions account for 81.3% of all reported 13F value in STXS, and the top 25 account for 94.0%.
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.
Stereotaxis, Inc. (STXS) Institutional Ownership