StockDriftsStockDriftsScreeners across 10k+ US investors, filing alerts in under a second, and API + MCP access for your own agents.
Or $69 a month, billed monthly (list $99).
Billed today. Cancel anytime. Prices in USD.
What Ultra adds
Filter 10k+ 13F filers by performance, sector exposure and position size.
What the funds that beat the market hold, with average buy prices and the thesis behind each position.
New SEC and IR filings in Telegram, Slack, Discord or WhatsApp, with your own prompt already run.
One command installs the StockDrifts tools into Claude, Cursor or Codex.
Summaries across multiple earnings calls, and export of any dataset.
Techdrifts research included, plus an onboarding session with the founder.
Why the data is worth it
average 90-day hit rate of 5-star Korean insiders
187 insiders, +48.4% average 90-day return after their buys
of Korean CEO buy-intent filings were higher 30 days later
D005 pre-disclosure plans, +5.5% mean return, n=34
as often, an activist had built a stake before a Japanese takeover
341 takeovers, 2022–26: 11.7% against 4.2% of other companies; 3.3× on 2025–26 deals
12-month return after Japanese founders and officers cut their stake
against same-size stocks; −13.8% on 2025 filings, outside the sample
Backtests on StockDrifts' own DART and EDINET data, no trading costs. Korean figures are in-sample (March 2026); Japanese figures were re-tested on 2025–26 filings. The 5-star figure describes the top 8% after the fact. Historical and hypothetical; not investment advice.
Pro vs Ultra
| Feature | Pro | Ultra |
|---|---|---|
| Stock profiles and AI queries | Unlimited | Unlimited |
| Foreign insiders (Korea, Japan) | ||
| Investor screeners | - | |
| AI insights on outperforming investors | - | |
| AI summaries across multiple earnings calls | - | |
| Export and download data | - | |
| Alert speed | - | <1 second (IR & SEC filings) |
| API & MCP access (Claude, Cursor, Codex) | - | |
| Brand kit (custom chart colors & logo) | - | |
| Substack research | - | |
| Founder onboarding and alpha share | - | |
| Limited-time price, billed annually | $15 / month | $49 / month |
Full plan comparison, including the free tier, on the pricing page.
FAQ
$49 a month billed annually while the limited-time price lasts. You keep that price for as long as you stay.
Billed today. Cancel anytime from Settings → Billing.