Neuraxis, INC (NYSE: NRXS), an SEC filer in Electromedical & Electrotherapeutic Apparatus, closed at $6.00, -0.3%, on 2026-08-28, with a market cap of $76M as of 2026-08-27, a return on equity of -285.4%, a net margin of -218.5% and 3-year sales growth of 10.0%. Institutional ownership, earnings history and filed financials are on the tabs below.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | AIGH Capital Management LLC | 400,000400,000 | $3M | 3.58% | — |
| 2 | Rosalind Advisors, Inc. | 286,138286,138 | $2M | 2.56% | — |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 225,867225,867 | $2M | 2.02% | NEW† |
| 4 | MONEY CONCEPTS CAPITAL CORP | 225,555225,555 | $2M | 2.02% | — |
| 5 | Panoramic Capital, LLC | 190,000190,000 | $1M | 1.70% | ADD 15% |
| 6 | PARSONS CAPITAL MANAGEMENT INC/RI | 116,726116,726 | $863,773 | 1.04% | — |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 93,10593,105 | $689,248 | 0.83% | ADD 23% |
| 8 | MARSHALL WACE, LLP | 78,69578,695 | $582,343 | 0.70% | NEW |
| 9 | RENAISSANCE TECHNOLOGIES LLC | 76,95476,954 | $569,460 | 0.69% | NEW |
| 10 | VANGUARD FIDUCIARY TRUST CO | 51,88751,887 | $383,964 | 0.46% | NEW |
† NEW this big is usually a rename.
Ranked by each filer’s own reported value, not shares.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | +225,867 | $2M | OPEN |
| MARSHALL WACE, LLP | +78,695 | $582,343 | OPEN |
| RENAISSANCE TECHNOLOGIES LLC | +76,954 | $569,460 | OPEN |
| VANGUARD FIDUCIARY TRUST CO | +51,887 | $383,964 | OPEN |
| Centiva Capital, LP | +50,833 | $376,164 | OPEN |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD GROUP INC | −145,562 | $1M | CLOSE |
| XTX Topco Ltd | −12,068 | $89,303 | CLOSE |
| ROYAL BANK OF CANADA | −5,000 | $37,000 | TRIM |
| UBS Group AG | −3,488 | $25,811 | TRIM |
| NORTHERN TRUST CORP | −2,463 | $18,226 | TRIM |
Prior quarter split-rebased · 13Fs are long, US-listed only.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| AIGH Capital Management LLC | — | 20K | 400K | 400K | 400K | 400K | $3M |
| Rosalind Advisors, Inc. | — | — | — | — | 286K | 286K | $2M |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 226K | $2M |
| MONEY CONCEPTS CAPITAL CORP | — | — | — | 33K | 223K | 226K | $2M |
| Panoramic Capital, LLC | — | — | — | — | 165K | 190K | $1M |
| PARSONS CAPITAL MANAGEMENT INC/RI | 117K | 117K | 117K | 117K | 117K | 117K | $863,773 |
| GEODE CAPITAL MANAGEMENT, LLC | 23K | 25K | 24K | 51K | 76K | 93K | $689,248 |
| MARSHALL WACE, LLP | — | — | — | — | — | 79K | $582,343 |
| RENAISSANCE TECHNOLOGIES LLC | — | — | — | — | — | 77K | $569,460 |
| VANGUARD FIDUCIARY TRUST CO | — | — | — | — | — | 52K | $383,964 |
Green = added, red = trimmed, grey = held; a dash is a quarter with no 13F on file — a gap, not an exit.
Breaks = no 13F that quarter.
Short interest has its own tab now — open SI →
SEC Form 13F · ~10,250 filers, 10y · long-only, US-listed, filed ≤45d after quarter-end.
| Holder | % of class | Type | As of | |
|---|---|---|---|---|
| BIGGER CAPITAL FUND L P | 6.67% | Passive | 2026-06-30 | SEC → |
SEC Schedule 13D/G XML · group aggregate.
