Managers / Q4 2018 · view latest →
Magnetar Financial LLC
CIK 0001352851 · 1603 ORRINGTON AVE., 13TH FLOOR, EVANSTON, IL, 60201 · (847)905-4400
Reported Value
$5.5B
Q4 2018
Positions
494
Filings on Record
32
2019–present window
Filed
Feb 14, 2019
amendment (RESTATEMENT)
Summary
Magnetar Financial Llc reported $5.5B in U.S.-listed holdings across 494 positions for Q4 2018.
Its largest position, Aetna, represents 6.0% of the portfolio.
Reported Value by Quarter
13F Reported Value
Portfolio Composition
By security type
Composition data arrives with ticker enrichment.
Quarter-over-Quarter Changes full breakdown →
Holdings — Q4 2018
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $9.8B | 1,755 | May 13, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $10.2B | 1,486 | Feb 17, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $16.5B | 1,474 | Nov 13, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $20.7B | 1,512 | Aug 12, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $7.6B | 1,329 | May 15, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $4.4B | 942 | Feb 11, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $4.6B | 829 | Nov 13, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q2 2024 | $4.8B | 497 | Aug 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q1 2024 | $4.5B | 363 | May 15, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q4 2023 | $3.9B | 363 | Feb 13, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q3 2023 | $3.9B | 435 | Nov 14, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q2 2023 | $4.6B | 476 | Aug 11, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q1 2023 | $5.1B | 597 | May 15, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q4 2022 | $5.9B | 767 | Feb 14, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q3 2022 | $7.2B | 1,356 | Nov 14, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q2 2022 | $9.7B | 1,661 | Aug 15, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q1 2022 | $9.4B | 1,308 | May 16, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q4 2021 | $10.0B | 1,351 | Feb 14, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q3 2021 | $9.8B | 1,287 | Nov 12, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q2 2021 | $10.6B | 1,173 | Aug 6, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q1 2021 | $10.4B | 1,026 | May 14, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q4 2020 | $7.1B | 693 | Feb 12, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q3 2020 | $5.7B | 641 | Nov 16, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q2 2020 | $3.4B | 418 | Aug 14, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q1 2020 | $4.2B | 457 | May 15, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q4 2019 | $4.8B | 527 | Feb 13, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q3 2019 | $3.9B | 472 | Nov 14, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q2 2019 | $5.0B | 436 | Aug 14, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q1 2019 | $3.9B | 419 | May 15, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q4 2018 | $5.5B | 494 | Feb 14, 2019 | RESTATEMENT | changes · EDGAR ↗ |
Other Included Managers
This filing reports holdings on behalf of 1 additional manager.
- MTP Energy Management LLC028-14458
13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.