$4.41
-0.71 (-13.95%)
USD · as of 2026-08-21 · marketstack
Crowding percentile lands with its cohort — the cohort is size-matched, so it needs a market cap for SMTK in the served universe — that lands with the next screener build.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | AIGH Capital Management LLC | 895,449895,449 | $203,714 | 4.22% | ADD 33% |
| 2 | Rossby Financial, LCC | 236,000236,000 | $55,224 | 1.11% | ADD 4% |
| 3 | Financial Plan, Inc. | 60,00060,000 | $13,650 | 0.28% | NEW |
| 4 | HRT FINANCIAL LP | 39,53239,532 | $8,000 | 0.19% | NEW |
| 5 | PFG Investments, LLC | 26,50026,500 | $6,029 | 0.12% | — |
| 6 | Virtu Financial LLC | 26,90226,902 | $6,000 | 0.13% | NEW |
| 7 | XTX Topco Ltd | 23,80623,806 | $5,416 | 0.11% | NEW |
| 8 | CITADEL ADVISORS LLC | 22,35322,353 | $5,085 | 0.11% | NEW |
| 9 | Portfolio Strategies, Inc. | 15,05415,054 | $3,425 | 0.07% | — |
| 10 | TWO SIGMA SECURITIES, LLC | 13,25113,251 | $3,015 | 0.06% | TRIM -11% |
Ranked by each filer’s own reported value, not shares.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| AIGH Capital Management LLC | +220,449 | $50,262 | ADD |
| Financial Plan, Inc. | +60,000 | $13,680 | OPEN |
| HRT FINANCIAL LP | +39,532 | $9,013 | OPEN |
| Virtu Financial LLC | +26,902 | $6,134 | OPEN |
| XTX Topco Ltd | +23,806 | $5,428 | OPEN |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| Bleichroeder LP | −46,618 | $10,629 | CLOSE |
| Corient Private Wealth LLC | −17,284 | $3,941 | CLOSE |
| Sightline Wealth Advisors, LLC | −12,000 | $2,736 | CLOSE |
| TWO SIGMA SECURITIES, LLC | −1,693 | $386 | TRIM |
| UBS Group AG | −825 | $188 | 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 |
|---|---|---|---|---|---|---|---|
| AIGH Capital Management LLC | 156K | 292K | 439K | 425K | 675K | 895K | $203,714 |
| Rossby Financial, LCC | — | — | — | 108K | 227K | 236K | $55,224 |
| Financial Plan, Inc. | — | — | — | — | — | 60K | $13,650 |
| HRT FINANCIAL LP | 14K | — | 13K | — | — | 40K | $8,000 |
| PFG Investments, LLC | — | — | — | 43K | 27K | 27K | $6,029 |
| Virtu Financial LLC | — | — | — | — | — | 27K | $6,000 |
| XTX Topco Ltd | — | — | — | — | — | 24K | $5,416 |
| CITADEL ADVISORS LLC | — | — | 58K | 23K | — | 22K | $5,085 |
| Portfolio Strategies, Inc. | — | 15K | 15K | 15K | 15K | 15K | $3,425 |
| TWO SIGMA SECURITIES, LLC | — | — | — | — | 15K | 13K | $3,015 |
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.
SEC Schedule 13D/G XML · group aggregate.