Dataroma Superinvestor Holdings Scraper

Turn Dataroma's superinvestor pages into one typed row per stock holding. Pick Buffett, Burry, Klarman or any of the 80+ managers on the live list — or leave the list empty and take all of them.

Portfolio value, shares, reported price, and current price are numbers (299253558000, not "$299,253,558,000"). Recent activity is split into Buy / Add / Reduce / Sell plus a percent. Optional quarterly history attaches on the same row.

Why Use This Scraper?

• Pick managers from a Console list (BRK, SAM, BAUPOST, …) instead of guessing raw IDs
• Empty selection follows Dataroma's live manager list — not a hardcoded "82"
• Typed money and share fields that sort and filter in CSV / Excel
• Activity parsed as activityType + activityPercent (Add 45.24%, Reduce 5.89%, Buy)
• Optional history[] from each holding's hist.php page (still one billed row)
• Optional ticker filter if you only want AAPL across a set of managers
• Direct HTTP, 512 MB default — no browser

Overview

Built for analysts, fund researchers, and data teams who already use Dataroma and want the same 13F-derived holdings in a dataset.

One dataset row is one current holding. A Buffett run is ~29 rows (one per stock in the latest filing), not one row per manager. Sector mix is repeated on every row of that portfolio so a spreadsheet filter still works. Quarterly history is an array on the holding when you turn includeHoldingHistory on — it is not extra billed rows.

This is Dataroma's HTML tables, not EDGAR itself. Filing lag matches the site.

Supported Inputs

Input	What it is	Example
Manager IDs	Multi-select from the live Dataroma list	BRK, SAM, BAUPOST
Empty ID list	Every manager currently on managers.php	[] → all ~83
Holdings URL	Optional paste of a portfolio page	https://www.dataroma.com/m/holdings.php?m=BRK
Tickers	Keep only those symbols	AAPL, MOH

{
  "startUrls": [
    "https://www.dataroma.com/m/holdings.php?m=BRK",
    "https://www.dataroma.com/m/holdings.php?m=SAM"
  ]
}

Unsupported: EDGAR / 13F XML, WhaleWisdom, GuruFocus, insider Form 4, Congress trades, login-only Dataroma pages, and historical portfolio snapshots as separate rows (use includeHoldingHistory on each current stock instead).

Use Cases

Audience	Use case
Long-only / family-office research	Track what named managers added or cut last quarter
Quant / data teams	Feed typed holdings into a warehouse without parsing money strings
Journalists	Pull Buffett / Burry / Klarman positions for a story without copying tables
Product & API builders	Expose a holdings feed behind your own app
Agencies	Deliver a client-ready 13F-style extract without writing a scraper

How It Works

1. Read the live manager list from dataroma.com/m/managers.php (IDs + names).
2. Fetch each holdings table you selected (holdings.php?m=BRK, …).
3. Parse one row per stock — ticker, shares, %, prices, activity, sector mix — as numbers.
4. (Opt-in) Attach quarter history from hist.php for each current holding.
5. Push to the dataset (JSON / CSV / Excel). Billed per current holding.

Input Configuration

Field	Type	Default	Description
superinvestors	array	[]	Manager IDs. Empty = every live manager. Case-insensitive (brk → BRK).
startUrls	array	–	Optional holdings.php?m= URLs; IDs merge with superinvestors.
symbols	array	–	Optional ticker allowlist. Empty = all holdings in the selected portfolios.
includeHoldingHistory	boolean	false	Attach history[] (period, shares, %, activity, reported price). Still one billed row per current holding.
maxItems	integer	10000	Cap on holding rows (billing). Free Apify accounts are capped at 100.
maxConcurrency	integer	5	Parallel page fetches.
proxy	object	off	Dataroma answers a direct request today. Turn Apify Proxy on only if you start seeing blocks.

{
  "superinvestors": ["BRK", "SAM"],
  "maxItems": 50
}

{
  "superinvestors": ["BRK", "psc", "BAUPOST"],
  "symbols": ["AAPL", "GOOGL"],
  "includeHoldingHistory": true,
  "maxItems": 20
}

Output Overview

Each item is one current position at one manager. Identifiers (superinvestorId, symbol, superinvestorUrl) are always present on a successful parse. Money fields are numbers. history is null unless includeHoldingHistory is on.

A manager with zero stocks (empty portfolio on Dataroma) contributes no rows.

Output Samples

Michael Burry / Molina Healthcare, with history enabled (trimmed):

{
  "superinvestorId": "SAM",
  "superinvestorName": "Michael Burry - Scion Asset Management",
  "superinvestorUrl": "https://www.dataroma.com/m/holdings.php?m=SAM",
  "period": "2025 Q3",
  "periodYear": 2025,
  "periodQuarter": 3,
  "portfolioDate": "2025-09-30",
  "portfolioValue": 55001000,
  "numberOfStocks": 3,
  "symbol": "MOH",
  "stockName": "Molina Healthcare Inc.",
  "percentOfPortfolio": 43.49,
  "recentActivity": "Buy",
  "activityType": "Buy",
  "activityPercent": null,
  "shares": 125000,
  "reportedPrice": 191.36,
  "value": 23920000,
  "currentPrice": 200.79,
  "changeFromReportedPrice": 4.93,
  "week52Low": 121.06,
  "week52High": 244.89,
  "sectorBreakdown": {
    "Health Care": 43.49,
    "Consumer Goods": 32.35,
    "Financials": 24.16
  },
  "history": [
    {
      "period": "2025 Q3",
      "periodYear": 2025,
      "periodQuarter": 3,
      "shares": 125000,
      "percentOfPortfolio": 43.49,
      "recentActivity": "Buy",
      "activityType": "Buy",
      "activityPercent": null,
      "reportedPrice": 191.36
    },
    {
      "period": "2025 Q1",
      "periodYear": 2025,
      "periodQuarter": 1,
      "shares": 0,
      "percentOfPortfolio": 0,
      "recentActivity": "Sell 100.00%",
      "activityType": "Sell",
      "activityPercent": 100,
      "reportedPrice": null
    }
  ],
  "historyUrl": "https://www.dataroma.com/m/hist/hist.php?f=SAM&s=MOH",
  "stockUrl": "https://www.dataroma.com/m/stock.php?sym=MOH",
  "scrapedAt": "2026-09-19T06:23:39.088Z"
}

Key Output Fields

Group	Fields
Manager	superinvestorId, superinvestorName, superinvestorUrl
Filing	period, periodYear, periodQuarter, portfolioDate, portfolioValue, numberOfStocks, sectorBreakdown
Position	symbol, stockName, stockUrl, percentOfPortfolio, shares, value
Activity	recentActivity, activityType, activityPercent
Prices	reportedPrice, currentPrice, changeFromReportedPrice, week52Low, week52High
History (opt-in)	history[], historyUrl

FAQ

How do I scrape one manager? Set superinvestors to ["BRK"] (Buffett) or paste https://www.dataroma.com/m/holdings.php?m=BRK in startUrls.

What if I leave Superinvestors empty? The actor reads the current managers.php list (83 names on 2026-09-19) and scrapes all of them. A full run is typically a few thousand holdings.

Are values numbers or strings? Numbers. portfolioValue is 55001000, not "$55,001,000". Compact listing-page figures like $2.05 B become 2050000000.

What does includeHoldingHistory cost? Still one dataroma-holding event per current position. History is nested on that row. It does extra page fetches, so the run is slower.

Is this official SEC data? No. Dataroma republishes public 13F filings. Use EDGAR if you need the raw filing.

Do I need a proxy? Not in current tests. The site returned 200 over a direct request. Use the proxy field if that changes.

Support

• Issues and feature requests: the Issues tab on this actor in Apify Console.
• Custom work:
  • Website: https://muhamed-didovic.github.io/
  • Email: muhamed.didovic@gmail.com

Additional Services

• Custom fields or a one-off full-manager dump: muhamed.didovic@gmail.com
• API access (no Apify platform fee, usage fee only): muhamed.didovic@gmail.com

Explore More Scrapers

Same author, same export shape: jobs, reviews, and property scrapers on memo23's Apify profile.

🤖 For AI Agents & LLM Apps

Compact reference for AI agents calling this actor via the Apify MCP server or the Apify API (actor: memo23/dataroma-scraper).

Purpose: Scrape current Dataroma superinvestor holdings (one row per stock) with typed numeric fields and optional quarterly history.

Minimal input:

{
  "superinvestors": ["SAM"],
  "maxItems": 10
}

Output: one dataset row per holding — superinvestorId, superinvestorName, superinvestorUrl, period, periodYear, periodQuarter, portfolioDate, portfolioValue, numberOfStocks, symbol, stockName, stockUrl, percentOfPortfolio, recentActivity, activityType, activityPercent, shares, reportedPrice, value, currentPrice, changeFromReportedPrice, week52Low, week52High, sectorBreakdown, history, historyUrl, scrapedAt.

Behaviors an agent should know:

• Always set maxItems. Empty superinvestors scrapes every live manager (thousands of rows).
• IDs are case-insensitive. startUrls holdings.php links merge with superinvestors.
• symbols is an allowlist; omit it to keep every holding.
• includeHoldingHistory (default false) adds history[] and extra fetches; billing stays one event per current holding.
• Free Apify accounts are capped at 100 rows. Billed as PPE event dataroma-holding.
• Public Dataroma HTML only — not EDGAR XML, not insider Form 4.

⚠️ Disclaimer

This Actor is an independent tool and is not affiliated with, endorsed by, or sponsored by Dataroma or any of its subsidiaries. All trademarks mentioned are the property of their respective owners.

The scraper accesses only publicly available superinvestor holdings pages on dataroma.com — no authenticated endpoints, paid features, or content behind a login. Users are responsible for ensuring their use complies with dataroma.com's Terms of Service, applicable data-protection law (GDPR, CCPA, etc.), and any contractual obligations of their own organization.

SEO Keywords

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