NETWORK-1 Technologies, Inc. (NYSE: NTIP), an SEC filer in Patent Owners & Lessors, closed at $1.56, +1.3%, on 2026-08-28, with a market cap of $35M as of 2026-08-27, a return on equity of -5.8% and a net margin of -1613.3%. Institutional ownership, earnings history and filed financials are on the tabs below.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | CANNELL CAPITAL LLC | 1,141,9751.1M | $2M | 5.01% | — |
| 2 | Clayton Partners LLC | 979,138979,138 | $1M | 4.30% | TRIM -4% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 501,934501,934 | $722,785 | 2.20% | NEW† |
| 4 | RENAISSANCE TECHNOLOGIES LLC | 461,444461,444 | $664,479 | 2.02% | — |
| 5 | SAYBROOK CAPITAL /NC | 330,043330,043 | $475,262 | 1.45% | — |
| 6 | Canton Hathaway, LLC | 280,738280,738 | $404,263 | 1.23% | ADD 311% |
| 7 | PNC FINANCIAL SERVICES GROUP, INC. | 270,000270,000 | $388,800 | 1.18% | — |
| 8 | DIMENSIONAL FUND ADVISORS LP | 232,014232,014 | $334,100 | 1.02% | — |
| 9 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 129,161129,161 | $185,992 | 0.57% | — |
| 10 | Empowered Funds, LLC | 97,57297,572 | $140,504 | 0.43% | — |
† 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 | +501,934 | $722,785 | OPEN |
| Canton Hathaway, LLC | +212,447 | $305,924 | ADD |
| VANGUARD FIDUCIARY TRUST CO | +79,667 | $114,720 | OPEN |
| CITADEL ADVISORS LLC | +39,543 | $56,942 | ADD |
| Vanguard Global Advisers, LLC | +3,800 | $5,472 | OPEN |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD GROUP INC | −585,401 | $842,977 | CLOSE |
| Clayton Partners LLC | −39,489 | $56,864 | TRIM |
| GEODE CAPITAL MANAGEMENT, LLC | −31,226 | $44,965 | TRIM |
| RENAISSANCE TECHNOLOGIES LLC | −6,400 | $9,216 | — |
| Calydon Capital | −4,165 | $5,998 | 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 |
|---|---|---|---|---|---|---|---|
| CANNELL CAPITAL LLC | 347K | 367K | 367K | 1.1M | 1.1M | 1.1M | $2M |
| Clayton Partners LLC | 1.2M | 1.2M | 1.3M | 1.0M | 1.0M | 979K | $1M |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 502K | $722,785 |
| RENAISSANCE TECHNOLOGIES LLC | 513K | 504K | 481K | 496K | 468K | 461K | $664,479 |
| SAYBROOK CAPITAL /NC | 413K | 388K | 352K | 330K | 330K | 330K | $475,262 |
| Canton Hathaway, LLC | — | 52K | 52K | 68K | 68K | 281K | $404,263 |
| PNC FINANCIAL SERVICES GROUP, INC. | 369K | 369K | 270K | 270K | 270K | 270K | $388,800 |
| DIMENSIONAL FUND ADVISORS LP | 358K | 354K | 354K | 288K | 236K | 232K | $334,100 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 159K | 130K | 129K | 129K | 129K | 129K | $185,992 |
| Empowered Funds, LLC | 99K | 99K | 97K | 98K | 98K | 98K | $140,504 |
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 | |
|---|---|---|---|---|
| Heinemann Steven D. | 5.29% | Passive | 2026-06-30 | SEC → |
SEC Schedule 13D/G XML · group aggregate.
