Updated Jul 16, 2026
BREYER JAMES is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $3.99M. Historical track record: 3/5 stars across 3 tracked purchases.

James W. (Jim) Breyer is an American venture capitalist and investor. He founded Breyer Capital and previously was a longtime partner at Accel Partners, where he led technology investments. He has served on the boards of multiple technology companies, including Facebook (Meta Platforms), and has held roles on various corporate boards. As of 2026, he serves as an independent director of Blackstone Inc.
| Role | Insider |
|---|---|
| Notability | 88/100 |
| Estimated net worth | $2.00B (openai_estimate) |
| Links | Wikipedia |
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| InsiderAlpha rating | ★★★☆☆ (3/5) |
|---|---|
| Total purchases tracked | 3 |
| Purchases with forward-return data | 3 |
| 30-day win rate | 6667% |
| 90-day win rate | 0% |
| Avg 5-day return | -33.06% |
| Avg 30-day return | +342.59% |
| Avg 90-day return | -84.69% |
| Best 30-day return | +597.83% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-03 | BX | Blackstone Inc. | A — Grant or award | 2.0K | $0.00 | |
| 2025-11-05 | BX | Blackstone Inc. | P — Open-market purchase | 10.2K | $144.21 | $1.47M |
| 2025-11-05 | BX | Blackstone Inc. | P — Open-market purchase | 3.7K | $142.89 | $529K |
| 2025-10-31 | BX | Blackstone Inc. | P — Open-market purchase | 13.2K | $151.23 | $1.99M |
| 2025-07-14 | BX | Blackstone Inc. | A — Grant or award | 1.3K | $0.00 |
James W. (Jim) Breyer is an American venture capitalist and investor. He founded Breyer Capital and previously was a longtime partner at Accel Partners, where he led technology investments. He has served on the boards of multiple technology companies, including Facebook (Meta Platforms), and has held roles on various corporate boards. As of 2026, he serves as an independent dir…
Recorded transactions: 3 open-market purchases ($3.99M) and 0 open-market sales () across all tracked filings.
Across 3 tracked purchases, BREYER JAMES averaged +342.6% avg 30-day return with a 6667% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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