BuySide Digest — Hedge Fund Letter Database adds News, Newsletters, Watchlist, and Alerts coverage that WhaleWisdom skips.
VOL. XCIV, NO. 247
★ FINANCIAL TOOLS & SERVICES DIRECTORY ★
PRICE: 5 CENTS
Sunday, October 19, 2025
Head-to-head
BuySide Digest — Hedge Fund Letter Database vs WhaleWisdom comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
WhaleWisdom includes Institutional Data categories that BuySide Digest — Hedge Fund Letter Database omits.
BuySide Digest — Hedge Fund Letter Database highlights: Search by fund, CIO, ticker, keyword, theme; filter by quarter; columns include QTD/YTD perf where available., Per‑fund pages with letter history (table shows latest two; ‘View’ for more)., and Follow funds or tickers and get inbox updates when new letters drop..
WhaleWisdom is known for: Rank hedge fund managers by performance, risk-adjusted returns, and recent filings., Pull 13F, 13D/G, insider trades, and sector exposures into custom portfolios and alerts., and API and bulk downloads available for quantitative workflows and screening..
BuySide Digest — Hedge Fund Letter Database
buysidedigest.com
Free, searchable database of hedge‑fund investor letters with filters by fund, CIO, ticker, keyword, theme, and quarter. Includes BSD 13F tools (tracker + holdings reports) and curated ‘Elevator Pitches’. Users can follow funds/tickers and receive email updates as new letters are added. Aggregates publicly available letters; no paid tier or API publicly documented.
Platforms
Web
Pricing
Free
Quick highlights
- Search by fund, CIO, ticker, keyword, theme; filter by quarter; columns include QTD/YTD perf where available.
- Per‑fund pages with letter history (table shows latest two; ‘View’ for more).
- Follow funds or tickers and get inbox updates when new letters drop.
- BSD 13Fs: investor screener + reports (largest buys/sells, consensus holdings, GICS weights, bargains vs. prior buys, etc.).
- ‘Elevator Pitches’: concise stock ideas extracted from letters; weekly BSDigest newsletter.
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WhaleWisdom
whalewisdom.com
Aggregates 13F filings and insider transactions so investors can follow institutional positioning, build watchlists, and backtest crowding strategies.
Platforms
Web
API
Pricing
Free
Subscription
Quick highlights
- Rank hedge fund managers by performance, risk-adjusted returns, and recent filings.
- Pull 13F, 13D/G, insider trades, and sector exposures into custom portfolios and alerts.
- API and bulk downloads available for quantitative workflows and screening.
- Tools for cloning strategies, monitoring crowding, and tracking portfolio overlaps over time.
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Overlap
Shared focus areas
3 overlapsMutual strengths include Stock Ideas, 13F, and Investor Holdings.
Where they differ
BuySide Digest — Hedge Fund Letter Database
Distinct strengths include:
- Search by fund, CIO, ticker, keyword, theme; filter by quarter; columns include QTD/YTD perf where available.
- Per‑fund pages with letter history (table shows latest two; ‘View’ for more).
- Follow funds or tickers and get inbox updates when new letters drop.
- BSD 13Fs: investor screener + reports (largest buys/sells, consensus holdings, GICS weights, bargains vs. prior buys, etc.).
WhaleWisdom
Distinct strengths include:
- Rank hedge fund managers by performance, risk-adjusted returns, and recent filings.
- Pull 13F, 13D/G, insider trades, and sector exposures into custom portfolios and alerts.
- API and bulk downloads available for quantitative workflows and screening.
- Tools for cloning strategies, monitoring crowding, and tracking portfolio overlaps over time.
Feature-by-feature breakdown
| Attribute | BuySide Digest — Hedge Fund Letter Database | WhaleWisdom |
|---|---|---|
Categories Which research workflows each platform targets | Shared: Stock Ideas, 13F, Investor Holdings Unique: News, Newsletters, Watchlist, Alerts | Shared: Stock Ideas, 13F, Investor Holdings Unique: Institutional Data |
Asset types Supported asset classes and universes | Stocks, ETFs | Stocks, ETFs |
Experience levels Who each product is built for | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Platforms Where you can access the product | Web | Web, API |
Pricing High-level pricing models | Free | Free, Subscription |
Key features Core capabilities called out by each vendor | Unique
| Unique
|
Tested Verified by hands-on testing inside Find My Moat | Not yet | Not yet |
Editor pick Featured inside curated shortlists | Standard listing | Standard listing |
Frequently Asked Questions
Which workflows do BuySide Digest — Hedge Fund Letter Database and WhaleWisdom both support?
Both platforms cover Stock Ideas, 13F, and Investor Holdings workflows, so you can research those use cases in either tool before digging into the feature differences below.
Do BuySide Digest — Hedge Fund Letter Database and WhaleWisdom require subscriptions?
Both BuySide Digest — Hedge Fund Letter Database and WhaleWisdom keep freemium access with optional paid upgrades, so you can trial each platform before committing.
How can you access BuySide Digest — Hedge Fund Letter Database and WhaleWisdom?
Both BuySide Digest — Hedge Fund Letter Database and WhaleWisdom prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.
What unique strengths set the two platforms apart?
BuySide Digest — Hedge Fund Letter Database differentiates itself with Search by fund, CIO, ticker, keyword, theme; filter by quarter; columns include QTD/YTD perf where available., Per‑fund pages with letter history (table shows latest two; ‘View’ for more)., and Follow funds or tickers and get inbox updates when new letters drop., whereas WhaleWisdom stands out for Rank hedge fund managers by performance, risk-adjusted returns, and recent filings., Pull 13F, 13D/G, insider trades, and sector exposures into custom portfolios and alerts., and API and bulk downloads available for quantitative workflows and screening..
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.