13F filer · CIK 1352851 ↗
Magnetar Financial LLC
You are looking at Q1 2017. See the latest, Q2 2026 →
Reported value
$7.02B
+1,897% on the quarter before
Positions
703
701 new · 3 sold out
Top 10
28.7%
of the value
Est. gain
−$21.5M
on stocks held all quarter
Est. return
−14.1%
on those stocks since Q4 2016
Positions as of Mar 31, 2017, from Magnetar Financial LLC's 13F filing with the SEC. A 13F lists a manager's US-listed stocks and options at a quarter end and is filed up to 45 days later, so the fund may hold something else today. It leaves out short positions, cash and holdings outside the US.
Portfolio at a glance
- New
- Added
- Cut
- Same
- Options
The 24 largest positions, 52% of the reported value, each sized by its share, colored by what the fund did with it since Q4 2016. Striped tiles are options.
Largest buys
Since Q4 2016, by estimated size: the change in shares at the quarter-end price, since a 13F gives no trade prices. Percentages are the position's share of the portfolio, before and after.
- SPDR S&P 500 ETF TrPUT~$617.6MNew · 0.0% → 8.8%+2,620,000 underlying
- Nxp Semiconductors N V~$228.1MNew · 0.0% → 3.2%+2,204,077 shares
- Time Warner Inc~$218.2MNew · 0.0% → 3.1%+2,233,306 shares
- Reynolds American Inc~$160.6MNew · 0.0% → 2.3%+2,548,758 shares
- Royal Dutch Shell Plc~$151.8MNew · 0.0% → 2.2%+2,719,384 shares
- Mobileye N V Amstelveen~$133.0MNew · 0.0% → 1.9%+2,165,404 shares
- B/E Aerospace Inc~$128.5MNew · 0.0% → 1.8%+2,004,295 shares
- Monsanto Co New~$127.7MNew · 0.0% → 1.8%+1,128,217 shares
- Mead Johnson Nutrition Co~$126.2MNew · 0.0% → 1.8%+1,416,479 shares
- Whitewave Foods Co~$125.3MNew · 0.0% → 1.8%+2,232,027 shares
Largest sells
Since Q4 2016, by estimated size: the change in shares at the quarter-end price, since a 13F gives no trade prices. Percentages are the position's share of the portfolio, before and after.
- Harman Intl Inds Inc~$147.2MSold out · 41.9% → 0.0%−1,324,548 shares
- Rite Aid Corp~$18.5MCut · 17.3% → 0.2%−4,355,290 shares
- Harman Intl Inds IncCALL~$14.3MSold out · 4.1% → 0.0%−128,800 underlying
- Western Refng Inc~$1.4MCut · 36.7% → 1.7%−38,855 shares
- Rite Aid CorpPUT~$36,000Sold out · 0.0% → 0.0%−4,400 underlying
Holdings
As of Mar 31, 2017. Changes are in shares against Dec 31, 2016, so a price move alone never reads as a buy or a sale.
| Holding | Value | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SPDR S&P 500 ETF TrPUTTR UNIT · shares New | 8.8% | $617.6M | — | ||||||||
| Nxp Semiconductors N VCOM · shares New | 3.2% | $228.1M | — | ||||||||
| Time Warner IncCOM NEW · shares New | 3.1% | $218.2M | — | ||||||||
| Reynolds American IncCOM · shares New | 2.3% | $160.6M | — | ||||||||
| Royal Dutch Shell PlcSPON ADR B · shares New | 2.2% | $151.8M | — | ||||||||
| Mobileye N V AmstelveenORD SHS · shares New | 1.9% | $133.0M | — | ||||||||
| B/E Aerospace IncCOM · shares New | 1.8% | $128.5M | — | ||||||||
| Monsanto Co NewCOM · shares New | 1.8% | $127.7M | — | ||||||||
| Mead Johnson Nutrition CoCOM · shares New | 1.8% | $126.2M | — | ||||||||
| Whitewave Foods CoCOM · shares New | 1.8% | $125.3M | — | ||||||||
| Privatebancorp IncCOM · shares New | 1.8% | $124.8M | — | ||||||||
| Ceb IncCOM · shares New | 1.8% | $124.2M | — | ||||||||
| Vca IncCOM · shares New | 1.8% | $124.0M | — | ||||||||
| Joy Global IncCOM · shares New | 1.8% | $123.4M | — | ||||||||
| Westar Energy IncCOM · shares New | 1.7% | $121.8M | — | ||||||||
| Cst Brands IncCOM · shares New | 1.7% | $120.1M | — | ||||||||
| Western Refng IncCOM · shares −1.1% · price −7.3% | 1.7% | $118.1M | −$9.4M | ||||||||
| Pioneer Nat Res CoCOM · shares New | 1.7% | $116.3M | — | ||||||||
| Valspar CorpCOM · shares New | 1.6% | $115.6M | — | ||||||||
| Level 3 Communications IncCOM NEW · shares New | 1.6% | $112.2M | — | ||||||||
| Allied Wrld Assur Com Hldg ASHS · shares New | 1.6% | $110.0M | — | ||||||||
| Brocade Communications Sys ICOM NEW · shares New | 1.5% | $103.2M | — | ||||||||
| Stillwater Mng CoCOM · shares New | 1.5% | $103.1M | — | ||||||||
| Chemtura CorpCOM NEW · shares New | 1.5% | $102.0M | — | ||||||||
| C&J Energy Svcs Inc NewCOM ADDED · shares New | 1.4% | $101.3M | — | ||||||||
| Total · 703 positions | 100% | $7.02B | −$21.5M |
Price is a stock's reported value over its shares at the quarter end. The estimated gain is the shares held at both quarter ends times the change in that price: shares bought or sold during the quarter add nothing, options are left out, and a stock split is read into the earlier share count and price.
What made money
From Q4 2016 to Q1 2017: 2 stocks held throughout, down $21.5M (−14.1%).
- Western Refng Inc−$9.4M−7%
- Rite Aid Corp−$12.1M−48%
Estimated as in the holdings table: shares held at both quarter ends times the change in price; options left out.
Reported value by quarter
The total value of each quarter's 13F at that quarter end. It moves with prices as well as with buying and selling. Pick a quarter to see what the fund held then.
Every quarter's filing
| Quarter | Reported value | Filing | |
|---|---|---|---|
| Q2 2026 | Aug 14, 2026 | $10.96B+11% | SEC ↗ |
| Q1 2026 | May 13, 2026 | $9.84B−4% | SEC ↗ |
| Q4 2025 | Feb 17, 2026 | $10.21B−38% | SEC ↗ |
| Q3 2025 | Nov 13, 2025 | $16.50B−20% | SEC ↗ |
| Q2 2025 | Aug 12, 2025 | $20.65B+171% | SEC ↗ |
| Q1 2025 | May 15, 2025 | $7.61B+75% | SEC ↗ |
| Q4 2024 | Feb 11, 2025 | $4.36B−6% | SEC ↗ |
| Q3 2024 | Nov 13, 2024 | $4.62B−4% | SEC ↗ |
| Q2 2024 | Aug 14, 2024 | $4.80B+7% | SEC ↗ |
| Q1 2024 | May 15, 2024 | $4.47B+13% | SEC ↗ |
| Q4 2023 | Feb 13, 2024 | $3.94B+1% | SEC ↗ |
| Q3 2023 | Nov 14, 2023 | $3.92B−14% | SEC ↗ |
| Q2 2023 | Aug 11, 2023 | $4.56B−11% | SEC ↗ |
| Q1 2023 | May 15, 2023 | $5.13B−13% | SEC ↗ |
| Q4 2022 | Feb 14, 2023 | $5.91B−18% | SEC ↗ |
| Q3 2022 | Nov 14, 2022 | $7.21B−25% | SEC ↗ |
| Q2 2022 | Aug 15, 2022 | $9.67B+3% | SEC ↗ |
| Q1 2022 | May 16, 2022 | $9.37B−6% | SEC ↗ |
| Q4 2021 | Feb 14, 2022 | $9.96B+1% | SEC ↗ |
| Q3 2021 | Jan 14, 2022 (amended) | $9.82B−7% | SEC ↗ |
| Q2 2021 | Aug 6, 2021 | $10.56B+2% | SEC ↗ |
| Q1 2021 | May 14, 2021 | $10.40B+47% | SEC ↗ |
| Q4 2020 | Feb 12, 2021 | $7.08B+25% | SEC ↗ |
| Q3 2020 | Nov 16, 2020 | $5.66B+67% | SEC ↗ |
| Q2 2020 | Aug 14, 2020 | $3.39B−18% | SEC ↗ |
| Q1 2020 | May 15, 2020 | $4.15B−13% | SEC ↗ |
| Q4 2019 | Feb 13, 2020 | $4.79B+22% | SEC ↗ |
| Q3 2019 | Nov 14, 2019 | $3.93B−21% | SEC ↗ |
| Q2 2019 | Aug 14, 2019 | $5.00B+29% | SEC ↗ |
| Q1 2019 | May 15, 2019 | $3.89B−5% | SEC ↗ |
| Q4 2018 | Feb 14, 2019 | $4.08B−26% | SEC ↗ |
| Q3 2018 | Feb 14, 2019 (amended) | $5.54B−16% | SEC ↗ |
| Q2 2018 | Aug 14, 2018 (amended) | $6.56B+13% | SEC ↗ |
| Q1 2018 | May 15, 2018 (amended) | $5.80B+3% | SEC ↗ |
| Q4 2017 | Feb 14, 2018 (amended) | $5.62B+2% | SEC ↗ |
| Q3 2017 | Nov 14, 2017 (amended) | $5.52B−15% | SEC ↗ |
| Q2 2017 | Aug 14, 2017 (amended) | $6.52B−7% | SEC ↗ |
| Q1 2017 | May 15, 2017 (amended) | $7.02B+1,897% | SEC ↗ |
| Q4 2016 | Aug 14, 2017 (amended) | $351.5M−95% | SEC ↗ |
| Q3 2016 | Nov 14, 2016 (amended) | $7.03B+17% | SEC ↗ |
| Q2 2016 | Aug 15, 2016 (amended) | $6.02B−7% | SEC ↗ |
| Q1 2016 | May 16, 2016 (amended) | $6.49B | SEC ↗ |