VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
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Sunday, May 31, 2026
Tool Comparison · Sunday, May 31, 2026
AUM 13F vs SEC API (sec-api.io)
AUM 13F vs SEC API (sec-api.io): which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
AUM 13F
aum13f.com
Best for improved filings, and watchlist
- Pricing
- Free • From $29/mo
- Platforms
- Web
SEC API (sec-api.io)
Picksec-api.io
Best for data apis, and regulatory filings monitoring
- Pricing
- Free • From $55/mo
- Platforms
- Web, API
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
SEC API (sec-api.io) if…
- You build with APIs or automate workflows
- You’re just getting started and want an approachable UI
- You need real-time data, not delayed quotes
- You need comprehensive api endpoints: query, full-text search, real-time streaming via websocket, download/pdf generator, xbrl-to-json conversion, and section extractors for 10-k/10-q/8-k filings.
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 | SEC API (sec-api.io) |
|---|---|---|
Asset types | StocksETFsHedge FundsPrivate FundsReal EstateFunds | StocksETFsMutual FundsFunds |
Experience | IntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | Not specified | North America |
Data freshness | Not specified | Real-time |
API access | Not specified | RESTWebSocket |
Export formats | Not specified | JSONPDF |
Seen enough? Open either tool and try it now.
Pricing breakdown
Tool
AUM 13F
$29/mo
Starting price
Plans & pricing
Tool
SEC API (sec-api.io)
$55/mo
Starting price
Plans & pricing
Coverage overlap
Categories covered by AUM 13F only.
Categories covered by SEC API (sec-api.io) 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 SEC API (sec-api.io)?
AUM 13F focuses on 13F, 13D/13G, and Insider Data while SEC API (sec-api.io) specializes in Data APIs, Regulatory Filings Monitoring, and Insider Data. They overlap in 3 categories, so choose based on your preferred workflow and pricing.
How much do AUM 13F and SEC API (sec-api.io) cost?
Good news—both AUM 13F and SEC API (sec-api.io) 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 SEC API (sec-api.io)?
SEC API (sec-api.io) is more beginner-friendly with an approachable interface. Both can work for intermediate users.
Does AUM 13F or SEC API (sec-api.io) have an API?
SEC API (sec-api.io) provides API access for programmatic data retrieval and custom integrations. AUM 13F doesn't currently offer an API, so you'll need to use their web interface.
Should I choose AUM 13F or SEC API (sec-api.io)?
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 SEC API (sec-api.io) if Comprehensive API endpoints: query, full-text search, real-time streaming via WebSocket, download/PDF generator, XBRL-to-JSON conversion, and section extractors for 10-K/10-Q/8-K filings., and Specialized form coverage including ADV, insider filings (Forms 3/4/5), 13F, 13D/G, Form 144, IPO registrations (S-1, 424B4), crowdfunding (Form C, Form D), Reg A filings, and fund reports (N-PORT, N-PX, N-CEN). better fits how you invest.
What asset classes do AUM 13F and SEC API (sec-api.io) cover?
Both cover Stocks, ETFs, and Funds. AUM 13F also includes Hedge Funds, Private Funds, and Real Estate. SEC API (sec-api.io) adds coverage for Mutual Funds.
Does AUM 13F or SEC API (sec-api.io) have real-time data?
SEC API (sec-api.io) 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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These profiles share overlapping coverage with both sides of this matchup.
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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.