VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

Head-to-head

Quiver Quantitative vs SEC API (sec-api.io) comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

Quiver Quantitative adds Screeners, Watchlist, Backtesting, US Government Trades, Investor Holdings, News, Alerts, Reddit, Splits, Institutional Data, Which ETF includes this Stock?, ETF Holdings, Patents / USPTO, and Dark Pool & Off-Exchange coverage that SEC API (sec-api.io) skips.

SEC API (sec-api.io) includes Regulatory Filings Monitoring, 13D/13G, Financials, Management Compensation, IPO, and APIs & SDKs categories that Quiver Quantitative omits.

Quiver Quantitative highlights: Alternative data dashboards spanning Congress trading, insider activity, government contracts, lobbying, app ratings, Google Trends, U.S. patents, ETF and institutional holdings, and more., Congress Trading dashboard parses public disclosures, tracks post-trade performance, and shows cumulative returns by individual politicians., and Institutional Holdings (13F) dashboard, with a backtesting tool for premium users to evaluate fund-level positioning over time..

SEC API (sec-api.io) is known for: 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., 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)., and Datasets include executive compensation, directors and board members, audit fees, subsidiaries, and public float/outstanding shares..

Quiver Quantitative ships a mobile app. SEC API (sec-api.io) is web/desktop only.

Quiver Quantitative logo

Quiver Quantitative

quiverquant.com

Hands-on review

Premium unlocks stock screeners, alerts, backtesters for Congress and institutional trades, strategy dashboards, Smart Score/Bull–Bear ratings, customizable watchlists, early access to news/videos, and data export samples. Copytrading is available through partner Quantbase. Premium runs $25/month or $300/year with a free trial (7 days on monthly, 30 days on annual). The Quiver API is sold separately under tiered plans (Hobbyist, Trader, Institution).

Platforms

Web
Mobile
API

Pricing

Free
Subscription

Quick highlights

  • Alternative data dashboards spanning Congress trading, insider activity, government contracts, lobbying, app ratings, Google Trends, U.S. patents, ETF and institutional holdings, and more.
  • Congress Trading dashboard parses public disclosures, tracks post-trade performance, and shows cumulative returns by individual politicians.
  • Institutional Holdings (13F) dashboard, with a backtesting tool for premium users to evaluate fund-level positioning over time.
  • Premium adds advanced tools like stock screeners, alerts, institutional and congressional backtesters, Smart Score/Bull–Bear metrics, watchlists, exportable data samples, and early access to curated content. Pricing is $25/month or $300/year, with free trials (7 or 30 days).
  • Strategy copytrading offered via Quantbase integration (Premium).

Community votes (overall)

0% upvotes 0% downvotes
You haven't voted yet
SEC API (sec-api.io) logo

SEC API (sec-api.io)

sec-api.io

Editor’s pick Hands-on review

A commercial API suite for SEC/EDGAR data, designed for developers, quants, and compliance teams. The free tier includes 100 calls per month. Paid tiers unlock higher rate limits, more data (5 GB vs 15 GB monthly, with $0.30/GB overage), and features such as multiple API keys or redistribution rights for enterprise users. The platform emphasizes speed, with new filings typically available in under 300 ms.

Platforms

Web
API

Pricing

Free
Subscription

Quick highlights

  • 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.
  • 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).
  • Datasets include executive compensation, directors and board members, audit fees, subsidiaries, and public float/outstanding shares.
  • Historical coverage back to 1993 with support for all 400+ EDGAR form types; new filings made available within ~300 ms of posting.
  • Live filing feeds available in real time via WebSocket for instant integration.

Community votes (overall)

0% upvotes 0% downvotes
You haven't voted yet
Overlap

Shared focus areas

3 overlaps

Mutual strengths include Data APIs, Insider Data, and 13F.

Where they differ

Quiver Quantitative

Distinct strengths include:

  • Alternative data dashboards spanning Congress trading, insider activity, government contracts, lobbying, app ratings, Google Trends, U.S. patents, ETF and institutional holdings, and more.
  • Congress Trading dashboard parses public disclosures, tracks post-trade performance, and shows cumulative returns by individual politicians.
  • Institutional Holdings (13F) dashboard, with a backtesting tool for premium users to evaluate fund-level positioning over time.
  • Premium adds advanced tools like stock screeners, alerts, institutional and congressional backtesters, Smart Score/Bull–Bear metrics, watchlists, exportable data samples, and early access to curated content. Pricing is $25/month or $300/year, with free trials (7 or 30 days).

SEC API (sec-api.io)

Distinct strengths include:

  • 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.
  • 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).
  • Datasets include executive compensation, directors and board members, audit fees, subsidiaries, and public float/outstanding shares.
  • Historical coverage back to 1993 with support for all 400+ EDGAR form types; new filings made available within ~300 ms of posting.

Feature-by-feature breakdown

AttributeQuiver QuantitativeSEC API (sec-api.io)
Categories

Which research workflows each platform targets

Shared: Data APIs, Insider Data, 13F

Unique: Screeners, Watchlist, Backtesting, US Government Trades, Investor Holdings, News, Alerts, Reddit, Splits, Institutional Data, Which ETF includes this Stock?, ETF Holdings, Patents / USPTO, Dark Pool & Off-Exchange

Shared: Data APIs, Insider Data, 13F

Unique: Regulatory Filings Monitoring, 13D/13G, Financials, Management Compensation, IPO, APIs & SDKs

Asset types

Supported asset classes and universes

Stocks, ETFs

Stocks, ETFs, Mutual Funds, Funds

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web, Mobile, API

Web, API

Pricing

High-level pricing models

Free, Subscription

Free, Subscription

Key features

Core capabilities called out by each vendor

Unique

  • Alternative data dashboards spanning Congress trading, insider activity, government contracts, lobbying, app ratings, Google Trends, U.S. patents, ETF and institutional holdings, and more.
  • Congress Trading dashboard parses public disclosures, tracks post-trade performance, and shows cumulative returns by individual politicians.
  • Institutional Holdings (13F) dashboard, with a backtesting tool for premium users to evaluate fund-level positioning over time.
  • Premium adds advanced tools like stock screeners, alerts, institutional and congressional backtesters, Smart Score/Bull–Bear metrics, watchlists, exportable data samples, and early access to curated content. Pricing is $25/month or $300/year, with free trials (7 or 30 days).
  • Strategy copytrading offered via Quantbase integration (Premium).
  • Quiver API is a separate product with tiered pricing: Hobbyist ($10/month for Tier 1 data), Trader ($75/month for Tier 1 & 2), and Institution (custom). Comes with an official Python package.

Unique

  • 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.
  • 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).
  • Datasets include executive compensation, directors and board members, audit fees, subsidiaries, and public float/outstanding shares.
  • Historical coverage back to 1993 with support for all 400+ EDGAR form types; new filings made available within ~300 ms of posting.
  • Live filing feeds available in real time via WebSocket for instant integration.
  • XBRL-to-JSON service delivers standardized financial statements (income, balance sheet, cash flow) mapped to US GAAP items; dataset is survivorship-bias free.
Tested

Verified by hands-on testing inside Find My Moat

Yes

Yes

Editor pick

Featured inside curated shortlists

Standard listing

Highlighted

Frequently Asked Questions

Which workflows do Quiver Quantitative and SEC API (sec-api.io) both support?

Both platforms cover Data APIs, Insider Data, and 13F workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Quiver Quantitative and SEC API (sec-api.io) require subscriptions?

Both Quiver Quantitative and SEC API (sec-api.io) keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

Quiver Quantitative ships a dedicated mobile experience, while SEC API (sec-api.io) focuses on web or desktop access.

What unique strengths set the two platforms apart?

Quiver Quantitative differentiates itself with Alternative data dashboards spanning Congress trading, insider activity, government contracts, lobbying, app ratings, Google Trends, U.S. patents, ETF and institutional holdings, and more., Congress Trading dashboard parses public disclosures, tracks post-trade performance, and shows cumulative returns by individual politicians., and Institutional Holdings (13F) dashboard, with a backtesting tool for premium users to evaluate fund-level positioning over time., whereas SEC API (sec-api.io) stands out for 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., 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)., and Datasets include executive compensation, directors and board members, audit fees, subsidiaries, and public float/outstanding shares..

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.