VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Thursday, October 30, 2025

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Tool Comparison

Stock Spinoff Investing vs WhaleWisdom comparison

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

Quick takeaways

Stock Spinoff Investing adds Calendar, Spin-offs, Blogs, Videos, and Newsletters coverage that WhaleWisdom skips.

WhaleWisdom includes Institutional Data, 13F, and Investor Holdings categories that Stock Spinoff Investing omits.

In depth comparison

Stock Spinoff Investing logo

Stock Spinoff Investing

stockspinoffinvesting.com

Research and newsletter service focused on stock spin‑offs and related special situations. Public **Upcoming** and **Completed** spin‑off calendars; paid tiers deliver monthly deep‑dive ideas, weekly updates, live Q&A calls, and a members‑only Discord. Primary focus is U.S. spin‑offs with selective international coverage.

Platforms

Web

Pricing

FreeSubscription

Quick highlights

  • Spin‑off Calendar: **Upcoming** table with parent/spinco, tickers, target timing, first‑trade date, and resource links; plus a **Completed** table with first‑day price, current price, and return since spin‑off.
  • Premium research: ~1 new idea per month with detailed write‑ups, weekly email updates, and a live monthly video Q&A.
  • Community: members‑only **Discord** for discussion and Q&A with the author.
  • PRO tier: direct access to the author (phone/email), watch‑list document, and live idea presentations.
  • Special situations occasionally covered (e.g., **odd‑lot** split‑off trades).

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WhaleWisdom logo

WhaleWisdom

whalewisdom.com

Aggregates 13F filings and insider transactions so investors can follow institutional positioning, build watchlists, and backtest crowding strategies.

Platforms

WebAPI

Pricing

FreeSubscription

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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Where they differ

Stock Spinoff Investing

Distinct strengths include:

CalendarSpin-offsBlogsVideosNewsletters
  • Spin‑off Calendar: **Upcoming** table with parent/spinco, tickers, target timing, first‑trade date, and resource links; plus a **Completed** table with first‑day price, current price, and return since spin‑off.
  • Premium research: ~1 new idea per month with detailed write‑ups, weekly email updates, and a live monthly video Q&A.
  • Community: members‑only **Discord** for discussion and Q&A with the author.
  • PRO tier: direct access to the author (phone/email), watch‑list document, and live idea presentations.

WhaleWisdom

Distinct strengths include:

Institutional Data13FInvestor Holdings
  • 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

AttributeStock Spinoff InvestingWhaleWisdom
Categories

Which research workflows each platform targets

Shared: Stock Ideas

Unique: Calendar, Spin-offs, Blogs, Videos, Newsletters

Shared: Stock Ideas

Unique: Institutional Data, 13F, Investor Holdings

Asset types

Supported asset classes and universes

Stocks

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, Subscription

Free, Subscription

Key features

Core capabilities called out by each vendor

Unique

  • Spin‑off Calendar: **Upcoming** table with parent/spinco, tickers, target timing, first‑trade date, and resource links; plus a **Completed** table with first‑day price, current price, and return since spin‑off.
  • Premium research: ~1 new idea per month with detailed write‑ups, weekly email updates, and a live monthly video Q&A.
  • Community: members‑only **Discord** for discussion and Q&A with the author.
  • PRO tier: direct access to the author (phone/email), watch‑list document, and live idea presentations.
  • Special situations occasionally covered (e.g., **odd‑lot** split‑off trades).
  • Coverage emphasis: primarily **U.S.** spin‑offs with compelling **international** names included as warranted.

Unique

  • 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.
Tested

Verified by hands-on testing inside Find My Moat

Not yet

Not yet

Editor pick

Featured inside curated shortlists

Standard listing

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Frequently Asked Questions

Which workflows do Stock Spinoff Investing and WhaleWisdom both support?

Both platforms cover Stock Ideas workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Stock Spinoff Investing and WhaleWisdom require subscriptions?

Both Stock Spinoff Investing and WhaleWisdom keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access Stock Spinoff Investing and WhaleWisdom?

Both Stock Spinoff Investing 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?

Stock Spinoff Investing differentiates itself with Spin‑off Calendar: **Upcoming** table with parent/spinco, tickers, target timing, first‑trade date, and resource links; plus a **Completed** table with first‑day price, current price, and return since spin‑off., Premium research: ~1 new idea per month with detailed write‑ups, weekly email updates, and a live monthly video Q&A., and Community: members‑only **Discord** for discussion and Q&A with the author., 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..

Keep exploring

Keep exploring

Stay on top of related tools

Browse the categories and profiles that overlap most with this comparison to round out your shortlist.

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.