13F filer · CIK 1352851 ↗
Magnetar Financial LLC
You are looking at Q2 2021. See the latest, Q2 2026 →
Reported value
$10.56B
+1.5% on the quarter before
Positions
1,173
512 new · 365 sold out
Top 10
20.6%
of the value
Est. gain
+$268.1M
on stocks held all quarter
Est. return
+4.1%
on those stocks since Q1 2021
Positions as of Jun 30, 2021, 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, 37% of the reported value, each sized by its share, colored by what the fund did with it since Q1 2021. Striped tiles are options.
Largest buys
Since Q1 2021, 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.
- Caremax Inc~$625.7MNew · 0.0% → 5.9%+541,720 shares
- Nuance Communications Inc~$170.5MNew · 0.0% → 1.6%+3,131,830 shares
- Ppd Inc~$137.1MAdded · 0.1% → 1.4%+2,974,077 shares
- Vereit Inc~$130.4MNew · 0.0% → 1.2%+2,838,057 shares
- Sykes Enterprises Inc~$126.2MNew · 0.0% → 1.2%+2,349,480 shares
- Domtar Corp~$119.1MNew · 0.0% → 1.1%+2,167,668 shares
- Raven Inds Inc~$110.3MNew · 0.0% → 1.0%+1,907,023 shares
- Ferro Corp~$105.3MNew · 0.0% → 1.0%+4,881,152 shares
- The Beauty Health Company~$100.0MNew · 0.0% → 0.9%+1,582,000 shares
- Cai International Inc~$71.2MNew · 0.0% → 0.7%+1,271,983 shares
Largest sells
Since Q1 2021, 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.
- Opendoor Technologies Inc~$350.6MCut · 4.4% → 0.3%−19,775,175 shares
- Inphi Corp~$214.1MSold out · 2.1% → 0.0%−1,199,999 shares
- Flir Sys Inc~$168.5MSold out · 1.6% → 0.0%−2,983,359 shares
- Perspecta Inc~$162.5MSold out · 1.6% → 0.0%−5,594,899 shares
- Varian Med Sys Inc~$161.0MSold out · 1.5% → 0.0%−911,847 shares
- Hms Hldgs Corp~$138.6MSold out · 1.3% → 0.0%−3,748,113 shares
- Gw Pharmaceuticals Plc~$125.3MSold out · 1.2% → 0.0%−577,789 shares
- Churchill Capital Corp Iv~$121.9MSold out · 1.2% → 0.0%−5,260,344 shares
- Genmark Diagnostics Inc~$103.9MSold out · 1.0% → 0.0%−4,345,392 shares
- Five Prime Therapeutics Inc~$90.6MSold out · 0.9% → 0.0%−2,406,138 shares
Holdings
As of Jun 30, 2021. Changes are in shares against Mar 31, 2021, so a price move alone never reads as a buy or a sale.
| Holding | Value | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Caremax IncCOM CL A ADDED · shares New | 5.9% | $625.7M | — | ||||||||
| Alexion Pharmaceuticals IncCOM · shares −14% · price +20.1% | 1.9% | $204.7M | +$34.3M | ||||||||
| Pra Health Sciences IncCOM · shares −24% · price +7.7% | 1.7% | $175.4M | +$12.6M | ||||||||
| Coherent IncCOM · shares −18% · price +4.5% | 1.7% | $174.3M | +$7.5M | ||||||||
| Kansas City SouthernCOM NEW · shares −25% · price +7.4% | 1.6% | $172.7M | +$11.9M | ||||||||
| Nuance Communications IncCOM · shares New | 1.6% | $170.5M | — | ||||||||
| Xilinx IncCOM · shares −18% · price +16.7% | 1.6% | $167.1M | +$24.0M | ||||||||
| Athene Holding LtdCL A · shares −8.9% · price +33.9% | 1.5% | $163.2M | +$41.3M | ||||||||
| Maxim Integrated Prods IncCOM · shares −15% · price +15.3% | 1.5% | $162.9M | +$21.6M | ||||||||
| Willis Towers Watson Plc LtdSHS · shares −22% · price +0.5% | 1.5% | $159.8M | +$792,374 | ||||||||
| Change Healthcare IncCOM · shares −23% · price +4.3% | 1.5% | $155.9M | +$6.4M | ||||||||
| Ppd IncCOM · shares +995% · price +21.8% | 1.4% | $150.9M | +$2.5M | ||||||||
| Shaw Communications IncCL B CONV · shares −2.9% · price +11.3% | 1.4% | $145.1M | +$14.8M | ||||||||
| Pnm Res IncCOM · shares −13% · price −0.6% | 1.3% | $136.2M | −$781,904 | ||||||||
| Vereit IncCOM · shares New | 1.2% | $130.4M | — | ||||||||
| Aerojet Rocketdyne Hldgs IncCOM · shares −12% · price +2.8% | 1.2% | $129.2M | +$3.6M | ||||||||
| Sykes Enterprises IncCOM · shares New | 1.2% | $126.2M | — | ||||||||
| Domtar CorpCOM NEW · shares New | 1.1% | $119.1M | — | ||||||||
| Navistar Intl Corp NewCOM · shares −13% · price +1.1% | 1.1% | $115.5M | +$1.2M | ||||||||
| Magellan Health IncCOM NEW · shares −13% · price +1.0% | 1.1% | $112.2M | +$1.1M | ||||||||
| Churchill Capital Corp ViiUNIT 99/99/9999 · shares 0% · price +0.4% | 1.0% | $110.7M | +$443,000 | ||||||||
| Raven Inds IncCOM · shares New | 1.0% | $110.3M | — | ||||||||
| Peoples United Financial IncCOM · shares −12% · price −4.2% | 1.0% | $106.8M | −$4.7M | ||||||||
| Ferro CorpCOM · shares New | 1.00% | $105.3M | — | ||||||||
| The Beauty Health CompanyCOM · shares New | 0.95% | $100.0M | — | ||||||||
| Total · 1,173 positions | 100% | $10.56B | +$268.1M |
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 Q1 2021 to Q2 2021: 640 stocks held throughout, up $268.1M (+4.1%).
- Athene Holding Ltd+$41.3M+34%
- Alexion Pharmaceuticals Inc+$34.3M+20%
- Xilinx Inc+$24.0M+17%
- Maxim Integrated Prods Inc+$21.6M+15%
- Multiplan Corporation+$18.9M+72%
- Pg&E Corp−$3.2M−12%
- Costar Group Inc−$3.2M−90%
- Brooge Energy Ltd−$3.5M−17%
- Peoples United Financial Inc−$4.7M−4%
- Opendoor Technologies Inc−$5.8M−16%
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 ↗ |