enVVeno Medical Corp (Nasdaq: NVNO), an SEC filer in Surgical & Medical Instruments & Apparatus, closed at $10.75, -4.4%, on 2026-08-28, with a market cap of $8M as of 2026-08-27 and a return on equity of -56.2%. Institutional ownership, earnings history and filed financials are on the tabs below.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | KINGDON CAPITAL MANAGEMENT, L.L.C. | 36,16636,166 | $366,362 | 5.52% | TRIM -97% |
| 2 | CM Management, LLC | 35,71435,714 | $361,782 | 5.45% | TRIM -97% |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | 10,45510,455 | $105,912 | 1.59% | TRIM -95% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 6,2876,287 | $63,687 | 0.96% | NEW |
| 5 | JPMORGAN CHASE & CO | 5,2095,209 | $52,897 | 0.79% | TRIM -97% |
| 6 | VANGUARD FIDUCIARY TRUST CO | 2,1842,184 | $22,124 | 0.33% | NEW |
| 7 | BlackRock, Inc. | 1,8401,840 | $18,639 | 0.28% | TRIM -97% |
| 8 | Westside Investment Management, Inc. | 1,5891,589 | $16,096 | 0.24% | TRIM -98% |
| 9 | Tower Research Capital LLC (TRC) | 542542 | $5,490 | 0.08% | NEW |
| 10 | UBS Group AG | 243243 | $2,462 | 0.04% | TRIM -99% |
Ranked by each filer’s own reported value, not shares.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | +6,287 | $63,687 | OPEN |
| GEODE CAPITAL MANAGEMENT, LLC | +4,705 | $47,663 | ADD |
| VANGUARD FIDUCIARY TRUST CO | +2,184 | $22,124 | OPEN |
| Tower Research Capital LLC (TRC) | +542 | $5,490 | OPEN |
| BlackRock, Inc. | +112 | $1,136 | ADD |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| PERCEPTIVE ADVISORS LLC | −50,258 | $509,115 | CLOSE |
| VANGUARD GROUP INC | −8,550 | $86,610 | CLOSE |
| GSA CAPITAL PARTNERS LLP | −5,674 | $57,478 | CLOSE |
| JANE STREET GROUP, LLC | −5,110 | $51,766 | CLOSE |
| TWO SIGMA INVESTMENTS, LP | −4,561 | $46,198 | CLOSE |
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 |
|---|---|---|---|---|---|---|---|
| KINGDON CAPITAL MANAGEMENT, L.L.C. | 859K | 859K | 859K | 1.4M | 1.3M | 36K | $366,362 |
| CM Management, LLC | — | — | — | 600K | 1.3M | 36K | $361,782 |
| GEODE CAPITAL MANAGEMENT, LLC | 182K | 197K | 200K | 201K | 201K | 10K | $105,912 |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 6K | $63,687 |
| JPMORGAN CHASE & CO | 270K | 194K | 182K | 365K | 182K | 5K | $52,897 |
| VANGUARD FIDUCIARY TRUST CO | — | — | — | — | — | 2K | $22,124 |
| BlackRock, Inc. | 41K | 40K | 57K | 60K | 60K | 2K | $18,639 |
| Westside Investment Management, Inc. | 205K | 259K | 280K | 213K | 93K | 2K | $16,096 |
| Tower Research Capital LLC (TRC) | 7K | 2K | 592 | — | — | 542 | $5,490 |
| UBS Group AG | 6K | 11K | 6K | 10K | 32K | 243 | $2,462 |
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 | |
|---|---|---|---|---|
| PERCEPTIVE ADVISORS LLC | 3.5% | Passive | 2026-06-30 | SEC → |
SEC Schedule 13D/G XML · group aggregate.
