Updated Jul 16, 2026
Magnetar Financial LLC has filed 8 SEC Form 4 filings across 1 company in the last 90 days — active on both sides. Lifetime open-market purchases: $37145.14B. Lifetime open-market sales: $47217.13B. Historical track record: 5/5 stars across 59 tracked purchases.
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 | ★★★★★ (5/5) |
|---|---|
| Total purchases tracked | 59 |
| Purchases with forward-return data | 59 |
| 30-day win rate | 10000% |
| 90-day win rate | 0% |
| Avg 5-day return | -325.84% |
| Avg 30-day return | +2736.49% |
| Avg 90-day return | -2251.45% |
| Best 30-day return | +4674.52% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-24 | CRWV | CoreWeave, Inc. | J — Other acquisition / disposition | 1.6K | — | |
| 2026-06-24 | CRWV | CoreWeave, Inc. | J — Other acquisition / disposition | 7.5K | — | |
| 2026-06-24 | CRWV | CoreWeave, Inc. | J — Other acquisition / disposition | 9.3K | — | |
| 2026-06-24 | CRWV | CoreWeave, Inc. | J — Other acquisition / disposition | 15.1K | — | |
| 2026-06-24 | CRWV | CoreWeave, Inc. | J — Other acquisition / disposition | 4.0K | — | |
| 2026-06-24 | CRWV | CoreWeave, Inc. | J — Other acquisition / disposition | 17.7K | — | |
| 2026-06-24 | CRWV | CoreWeave, Inc. | J — Other acquisition / disposition | 14.1K | — | |
| 2026-06-24 | CRWV | CoreWeave, Inc. | J — Other acquisition / disposition | 10.3K | — | |
| 2026-06-24 | CRWV | CoreWeave, Inc. | J — Other acquisition / disposition | 477 | — | |
| 2026-06-24 | CRWV | CoreWeave, Inc. | J — Other acquisition / disposition | 4.6K | — | |
| 2026-06-24 | CRWV | CoreWeave, Inc. | J — Other acquisition / disposition | 35.2K | — | |
| 2026-06-24 | CRWV | CoreWeave, Inc. | J — Other acquisition / disposition | 7.7K | — | |
| 2026-05-08 | CRWV | CoreWeave, Inc. | S — Open-market sale | 200 | $138.63 | $28K |
| 2026-05-08 | CRWV | CoreWeave, Inc. | S — Open-market sale | 69.8K | $137.89 | $9.63M |
| 2026-05-08 | CRWV | CoreWeave, Inc. | S — Open-market sale | 111.4K | $136.85 | $15.24M |
| 2026-05-08 | CRWV | CoreWeave, Inc. | S — Open-market sale | 5.0K | $135.78 | $680K |
| 2026-05-08 | CRWV | CoreWeave, Inc. | S — Open-market sale | 39.4K | $134.51 | $5.30M |
| 2026-05-08 | CRWV | CoreWeave, Inc. | S — Open-market sale | 146 | $138.63 | $20K |
| 2026-05-08 | CRWV | CoreWeave, Inc. | S — Open-market sale | 50.9K | $137.89 | $7.01M |
| 2026-05-08 | CRWV | CoreWeave, Inc. | S — Open-market sale | 81.1K | $136.85 | $11.10M |
Magnetar Financial LLC is a corporate insider — currently tracked as 10% Owner of CoreWeave, Inc. (CRWV). InsiderAlpha tracks every SEC Form 4 filing in real time.
8 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 59 open-market purchases ($37145.14B) and 737 open-market sales ($47217.13B) across all tracked filings.
Across 59 tracked purchases, Magnetar Financial LLC averaged +2736.5% avg 30-day return with a 10000% 30-day win rate. InsiderAlpha rates the track record at 5/5 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.
Open the live Magnetar Financial LLC profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.