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Viewing profile — brokerjames

brokerjames

HN member
Joined
Fri, Nov 14, 2025, 6:23 AM UTC
HN karma
1
Public activity
10 items

About brokerjames

Founder of 13Radar.com, a platform that provides real-time access to hedge fund portfolios through SEC 13F filings. Passionate about transparency and data-driven investing, I focus on building tools that empower investors with verified insights, historical tracking, and intuitive analytics. With a background in product design and financial data optimization, I’m committed to making institutional-grade information accessible and actionable for a broader community of investors.

Recent public activity

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    Comment #46970377

    Thanks so much — really glad the categorization is helping cut through the noise.

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    Comment #46970373

    Thanks! OpenInsider is absolutely the OG in this space. To answer your questions: Latency: We poll the SEC RSS feed continuously. The parsing logic (classifying the transaction typ…

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    Comment #46970329

    Hi HN, OP here. OpenInsider is great and inspired this, we just wanted to modernize the stack. We focused on parsing Form 4s with more granularity (distinguishing grants/options fr…

  6. story
    Show HN: A modern alternative to OpenInsider, with more transaction types

    Hi HN, I've been working on 13radar.com, a site focused on tracking institutional holdings. Today, I’m releasing a beta version of our new Insider Trading Tracker. Like many of you…

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    Comment #45989625

    Nice work — making multi-agent networks A2A-compatible in an open-source framework looks very promising.

  8. story
    Show HN: 13Radar – Real-Time Hedge Fund Portfolio Analytics

    Hi HN, We’re a small team working on 13Radar.com, which we launched about two weeks ago after 4 months of development. I’m the founder, and together with the team we’re building a …

  9. comment
    Comment #45924488

    Your website grew to several thousand UVs per month in just two months — that’s impressive!

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    Comment #45924463

    I’ve been working on http://www.13radar.com for the past 4 months, and we launched about two weeks ago. The platform tracks hedge fund portfolios in real-time based on SEC 13F fili…