Magnetar Financial
Magnetar Financial reported 1,120 stocks worth $10.5B in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are CRWV (49.5%), Hewlett Packard Enterprise C (0.8%) and Webster Finl Corp (0.8%). Compared with Q1 2026, the fund opened new positions in D, TECH and CZR, added to KVUE, PEN and ROKU, trimmed CRWV, TXNM and TECK and sold out of SNCY, SIMA and CUB.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  CRWV Coreweave Inc | $5.2B | 49.5% | 52.1M | −16.5M (−24%) | 6 of 8 | |
| 2 | HEWLETT PACKARD ENTERPRISE C | $89M | 0.8% | 760K | −165K (−18%) | 6 of 8 | |
| 3 | WEBSTER FINL CORP | $88.4M | 0.8% | 1.2M | +20K (+2%) | 4 of 8 | |
| 4 |  KVUE Kenvue Inc | $88.2M | 0.8% | 4.6M | +9,746 (+0%) | 3 of 8 | |
| 5 | CHART INDS INC | $87.4M | 0.8% | 418K | −2,094 (−0%) | 4 of 8 | |
| 6 |  NSC Norfolk Southn Corp | $86.6M | 0.8% | 275K | No change | 5 of 8 | |
| 7 |  D Dominion Energy Inc | $83.3M | 0.8% | 1.2M | New position | 2 of 8 | |
| 8 |  TXNM Txnm Energy Inc | $82.2M | 0.8% | 1.4M | −27K (−2%) | 5 of 8 | |
| 9 |  PEN Penumbra Inc | $80.8M | 0.8% | 256K | +4,408 (+2%) | 4 of 8 | |
| 10 |  TECK Teck Resources Ltd | $79.1M | 0.8% | 1.3M | −168K (−11%) | 5 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
AIR LEASE CORP | $87.2M | 1.3M |
PROASSURANCE CORP | $80.3M | 3.2M |
MASIMO CORP | $76M | 427K |
CSG SYS INTL INC | $64.5M | 807K |
AMICUS THERAPEUTICS INC | $57.6M | 4M |
🔒 Free account: see all 30.
Options
valued at the underlying shares| Stock | Type | Value | Shares | Change |
|---|---|---|---|---|
 IWM Ishares TR | Put | $17.3M | 58K | 0 |
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 14, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Magnetar Financial 13F FAQ
What does Magnetar Financial own?
Magnetar Financial reported 1,120 stocks worth $10.5B in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are CRWV (49.5%), Hewlett Packard Enterprise C (0.8%) and Webster Finl Corp (0.8%). The table above lists every position in the filing (the top 10 without an account).
What did Magnetar Financial buy and sell in Q2 2026?
Compared with Q1 2026: 487 new positions, 139 added to, 193 trimmed and 489 sold out. New positions include D, TECH and CZR. It sold all of SNCY, SIMA and CUB.
When will Magnetar Financial file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Magnetar Financial's portfolio worth?
The Q2 2026 filing reports $10.5B in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.