VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Sunday, May 31, 2026
Tool Comparison · Sunday, May 31, 2026
AUM 13F vs BuySide Digest - Hedge Fund Letter Database
AUM 13F vs BuySide Digest - Hedge Fund Letter Database: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
AUM 13F
aum13f.com
Best for 13d/13g, and insider data
- Pricing
- Free • From $29/mo
- Platforms
- Web
BuySide Digest - Hedge Fund Letter Database
buysidedigest.com
Best for stock ideas, and news
- Pricing
- Free
- Platforms
- Web
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
AUM 13F if…
- You need analyze asset managers using public filings and drill into edgar, iapd, and cafr source data.
- You need homepage remains active with current large-manager aum rankings; examples observed in may 2026 include vanguard group ($10,246.6b), fidelity management & research ($4,730.7b), blackrock fund advisors ($3,535.4b), capital research and management ($3,315.4b), and pimco ($2,990.2b).
- You need filter/browse by fund type (private equity, hedge fund, real estate) plus tags, location, and aum size.
- You need firm pages aggregate aum history, aum breakdowns, and form 13f holdings (with sector views) and link to edgar filings (e.g., 13f-hr, sc 13g, forms d/3/4).
Choose
BuySide Digest - Hedge Fund Letter Database if…
- You’re just getting started and want an approachable UI
- You need real-time data, not delayed quotes
- You need search by fund, cio, ticker, keyword, theme; filter by quarter; columns include qtd/ytd perf where available.
- You need per‑fund pages with letter history (table shows latest two; ‘view’ for more).
Consider alternatives if…
- You want broader category coverage in one tool.
- Neither pricing tier fits your budget.
Side-by-side feature breakdown
| Attribute | AUM 13F | BuySide Digest - Hedge Fund Letter Database |
|---|---|---|
Asset types | StocksETFsHedge FundsPrivate FundsReal EstateFunds | StocksETFs |
Experience | IntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | Not specified | North AmericaEuropeAPAC |
Data freshness | Not specified | Real-timeEnd of Day |
API access | Not specified | Not specified |
Export formats | Not specified | PDF |
Seen enough? Open either tool and try it now.
Pricing breakdown
Tool
AUM 13F
$29/mo
Starting price
Plans & pricing
Tool
BuySide Digest - Hedge Fund Letter Database
—
Starting price
Plans & pricing
Coverage overlap
Categories covered by AUM 13F only.
Categories covered by BuySide Digest - Hedge Fund Letter Database only.
Community category leaders
Vote sentiment comparison
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Still deciding? Get hands-on with both — most plans offer a free tier or trial.
Frequently Asked Questions
What's the difference between AUM 13F and BuySide Digest - Hedge Fund Letter Database?
AUM 13F focuses on 13F, 13D/13G, and Insider Data while BuySide Digest - Hedge Fund Letter Database specializes in Stock Ideas, News, and Newsletters. They overlap in 3 categories, so choose based on your preferred workflow and pricing.
How much do AUM 13F and BuySide Digest - Hedge Fund Letter Database cost?
Good news—both AUM 13F and BuySide Digest - Hedge Fund Letter Database offer free plans. You can try each platform without commitment and only pay when you need premium features.
Which is better for beginners—AUM 13F or BuySide Digest - Hedge Fund Letter Database?
BuySide Digest - Hedge Fund Letter Database is more beginner-friendly with an approachable interface. Both can work for intermediate users.
Should I choose AUM 13F or BuySide Digest - Hedge Fund Letter Database?
Choose AUM 13F if you need Analyze asset managers using public filings and drill into EDGAR, IAPD, and CAFR source data., and Homepage remains active with current large-manager AUM rankings; examples observed in May 2026 include Vanguard Group ($10,246.6B), Fidelity Management & Research ($4,730.7B), BlackRock Fund Advisors ($3,535.4B), Capital Research and Management ($3,315.4B), and PIMCO ($2,990.2B).. Go with BuySide Digest - Hedge Fund Letter Database if Search by fund, CIO, ticker, keyword, theme; filter by quarter; columns include QTD/YTD perf where available., and Per‑fund pages with letter history (table shows latest two; ‘View’ for more). better fits how you invest.
What asset classes do AUM 13F and BuySide Digest - Hedge Fund Letter Database cover?
Both cover Stocks, and ETFs. AUM 13F also includes Hedge Funds, Private Funds, Real Estate, and Funds.
Does AUM 13F or BuySide Digest - Hedge Fund Letter Database have real-time data?
BuySide Digest - Hedge Fund Letter Database offers real-time data feeds, which is essential for active traders. AUM 13F uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.
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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.