Market Signals
Research hooks from AlphaScala's datasets: insider buying from SEC Form 4 filings, hedge-fund changes from 13F filings, Alpha Score leaders, SEC filing digests, market movers and recent coverage. Each section shows how current its data is.
Data sources and update cadence: Methodology.
Ask AlphaScala
Use the research agent to interrogate this board. It pulls Alpha Scores, insider data, hedge-fund filings, prices, and recent coverage into one cited answer.
SEC Form 4 filings as of Nov 2, 2026
13F holdings as of Jun 30, 2026
| Fund | Stock | Position | Move | Quarter |
|---|---|---|---|---|
| Berkshire Hathaway Warren Buffett | GOOGL ALPHABET INC | $28.16B | added | Q2 2026 |
| Citadel Ken Griffin | IVV ISHARES TR | $13.24B | added | Q2 2026 |
| Berkshire Hathaway Warren Buffett | GOOG ALPHABET INC | $9.61B | added | Q2 2026 |
| Bridgewater Associates Ray Dalio | SPY STATE STR SPDR S&P 500 ETF T | $3.97B | added | Q2 2026 |
| Citadel Ken Griffin | AMZN AMAZON COM INC | $2.59B | added | Q2 2026 |
| Pershing Square Bill Ackman | UBER UBER TECHNOLOGIES INC | $2.48B | added | Q2 2026 |
| Pershing Square Bill Ackman | MSFT MICROSOFT CORP | $2.32B | added | Q2 2026 |
| Bridgewater Associates Ray Dalio | IVV ISHARES TR | $2.25B | added | Q2 2026 |
SEC Form 4 filings as of Nov 2, 2026
Counts open-market purchases (code P) net of sales (code S). Awards, exercises, gifts and tax withholdings are left out; see Form 4 transaction codes.
Start with a signal, inspect the stock page, then compare the evidence: Alpha Score, insider activity, 13F holders, filings, and recent coverage. Congressional trades are on the political trades board; futures positioning is in the CFTC COT tool.
A good signal does not mean a good trade. It means there is something worth researching.