13F filer · CIK 1352851 ↗

Magnetar Financial LLC

You are looking at Q3 2021. See the latest, Q2 2026 →

Reported value

$9.82B

−7.0% on the quarter before

Positions

1,287

591 new · 477 sold out

Top 10

16.3%

of the value

Est. gain

−$401.3M

on stocks held all quarter

Est. return

−6.3%

on those stocks since Q2 2021

Filed

Jan 14, 2022 (amended)

On SEC EDGAR ↗

Positions as of Sep 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, 34% of the reported value, each sized by its share, colored by what the fund did with it since Q2 2021. Striped tiles are options.

Nuance Communications Inc1.8%

Kansas City Southern1.8%

Coherent Inc1.7%

Ppd Inc1.7%

Athene Holding Ltd1.6%

Xilinx Inc1.6%

Change Healthcare Inc1.6%

Hill-Rom Hldgs Inc1.6%

Welbilt Inc1.5%

Shaw Communications Inc1.5%

Sanderson Farms Inc1.5%

Acceleron Pharma Inc1.5%

Pnm Res Inc1.4%

Vereit Inc1.3%

Raven Inds Inc1.3%

Five91.3%

Mgm Growth Pptys Llc1.2%

Domtar Corp1.2%

Aerojet Rocketdyne Hldgs Inc1.2%

Magellan Health Inc1.2%

Peoples United Financial Inc1.1%

Churchill Capital Corp Vii1.1%

Ferro Corp1.0%

Lucid Group Inc0.9%

Nuance Communications Inc1.8%

Kansas City Southern1.8%

Coherent Inc1.7%

Ppd Inc1.7%

Athene Holding Ltd1.6%

Xilinx Inc1.6%

Change Healthcare Inc1.6%

Hill-Rom Hldgs Inc1.6%

Welbilt Inc1.5%

Shaw Communications Inc1.5%

Sanderson Farms Inc1.5%

Acceleron Pharma Inc1.5%

Pnm Res Inc1.4%

Vereit Inc1.3%

Raven Inds Inc1.3%

Five91.3%

Mgm Growth Pptys Llc1.2%

Domtar Corp1.2%

Aerojet Rocketdyne Hldgs Inc1.2%

Magellan Health Inc1.2%

Peoples United Financial Inc1.1%

Churchill Capital Corp Vii1.1%

Ferro Corp1.0%

Lucid Group Inc0.9%

Largest buys

Since Q2 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.

Hill-Rom Hldgs Inc~$149.3MAdded · 0.0% → 1.6%+995,136 shares
Sanderson Farms Inc~$145.5MAdded · 0.0% → 1.5%+772,892 shares
Acceleron Pharma Inc~$143.1MNew · 0.0% → 1.5%+831,663 shares
Five9~$122.1MAdded · 0.0% → 1.3%+764,312 shares
Mgm Growth Pptys Llc~$121.9MNew · 0.0% → 1.2%+3,184,026 shares
Lucid Group Inc~$89.4MNew · 0.0% → 0.9%+3,521,683 shares
Kadmon Hldgs Inc~$86.0MNew · 0.0% → 0.9%+9,871,249 shares
Kraton Corp~$84.0MNew · 0.0% → 0.9%+1,840,493 shares
Welbilt Inc~$83.9MAdded · 0.6% → 1.5%+3,608,311 shares
Score Media & Gaming Inc~$82.1MNew · 0.0% → 0.8%+2,397,449 shares

Largest sells

Since Q2 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.

Alexion Pharmaceuticals Inc~$204.7MSold out · 1.9% → 0.0%−1,114,010 shares
Pra Health Sciences Inc~$175.4MSold out · 1.7% → 0.0%−1,061,545 shares
Maxim Integrated Prods Inc~$162.9MSold out · 1.5% → 0.0%−1,546,309 shares
Willis Towers Watson Plc Ltd~$159.8MSold out · 1.5% → 0.0%−694,939 shares
Sykes Enterprises Inc~$126.2MSold out · 1.2% → 0.0%−2,349,480 shares
Navistar Intl Corp New~$115.5MSold out · 1.1% → 0.0%−2,594,904 shares
Slack Technologies Inc~$97.2MSold out · 0.9% → 0.0%−2,194,228 shares
Knoll Inc~$71.0MSold out · 0.7% → 0.0%−2,730,351 shares
Core-Mark Hldg Co Inc~$70.4MSold out · 0.7% → 0.0%−1,564,213 shares
Weingarten Rlty Invs~$68.3MSold out · 0.6% → 0.0%−2,128,583 shares

Holdings

As of Sep 30, 2021. Changes are in shares against Jun 30, 2021, so a price move alone never reads as a buy or a sale.

Positions, sorted by share of the portfolio
#	Holding		% prev	Value	Shares		Price	Prev price
1	Nuance Communications IncCOM · shares +1.7% · price +1.1%	1.8%	1.6%	$175.3M	3.2M	+1.7%	$55.04	$54.44	+1.1%	+$1.9M
2	Kansas City SouthernCOM NEW · shares +4.5% · price −4.5%	1.8%	1.6%	$172.3M	636,820	+4.5%	$270.64	$283.37	−4.5%	−$7.8M
3	Coherent IncCOM · shares +1.8% · price −5.4%	1.7%	1.7%	$167.9M	671,313	+1.8%	$250.09	$264.34	−5.4%	−$9.4M
4	Ppd IncCOM · shares +9.3% · price +1.5%	1.7%	1.4%	$167.4M	3.6M	+9.3%	$46.79	$46.09	+1.5%	+$2.3M
5	Athene Holding LtdCL A · shares −3.4% · price +2.0%	1.6%	1.5%	$160.9M	2.3M	−3.4%	$68.87	$67.50	+2.0%	+$3.2M
6	Xilinx IncCOM · shares −11% · price +4.4%	1.6%	1.6%	$155.9M	1.0M	−11%	$150.99	$144.64	+4.4%	+$6.6M
7	Change Healthcare IncCOM · shares +7.9% · price −9.1%	1.6%	1.5%	$153.0M	7.3M	+7.9%	$20.94	$23.04	−9.1%	−$14.2M
8	Hill-Rom Hldgs IncCOM · shares +4,822% · price +32.1%	1.6%	0.02%	$152.4M	1.0M	+4,822%	$150.00	$113.57	+32.1%	+$751,845
9	Welbilt IncCOM · shares +129% · price +0.4%	1.5%	0.61%	$148.7M	6.4M	+129%	$23.24	$23.15	+0.4%	+$250,735
10	Shaw Communications IncCL B CONV · shares +1.8% · price +0.3%	1.5%	1.4%	$148.1M	5.1M	+1.8%	$29.04	$28.96	+0.3%	+$368,402
11	Sanderson Farms IncCOM · shares +27,119% · price +0.1%	1.5%	0.01%	$146.0M	775,742	+27,119%	$188.20	$188.07	+0.1%	+$371.31
12	Acceleron Pharma IncCOM · shares New	1.5%	—	$143.1M	831,663	New	$172.10	—	—	—
13	Pnm Res IncCOM · shares +2.0% · price +1.5%	1.4%	1.3%	$140.9M	2.8M	+2.0%	$49.48	$48.77	+1.5%	+$2.0M
14	Vereit IncCOM · shares +2.1% · price −1.5%	1.3%	1.2%	$131.1M	2.9M	+2.1%	$45.23	$45.93	−1.5%	−$2.0M
15	Raven Inds IncCOM · shares +12% · price −0.4%	1.3%	1.0%	$123.3M	2.1M	+12%	$57.61	$57.85	−0.4%	−$457,422
16	Five9COM · shares +13,418% · price −12.9%	1.3%	0.01%	$123.0M	770,008	+13,418%	$159.74	$183.46	−12.9%	−$135,122
17	Mgm Growth Pptys LlcCL A COM · shares New	1.2%	—	$121.9M	3.2M	New	$38.30	—	—	—
18	Domtar CorpCOM NEW · shares +2.1% · price −0.8%	1.2%	1.1%	$120.7M	2.2M	+2.1%	$54.54	$54.96	−0.8%	−$910,356
19	Aerojet Rocketdyne Hldgs IncCOM · shares +2.0% · price −9.8%	1.2%	1.2%	$118.9M	2.7M	+2.0%	$43.55	$48.29	−9.8%	−$12.7M
20	Magellan Health IncCOM NEW · shares +2.1% · price +0.4%	1.2%	1.1%	$115.0M	1.2M	+2.1%	$94.55	$94.20	+0.4%	+$417,393
21	Peoples United Financial IncCOM · shares +2.1% · price +1.9%	1.1%	1.0%	$111.1M	6.4M	+2.1%	$17.47	$17.14	+1.9%	+$2.1M
22	Churchill Capital Corp ViiUNIT 99/99/9999 · shares −0.01% · price −1.3%	1.1%	1.0%	$109.3M	11.1M	−0.01%	$9.88	$10.01	−1.3%	−$1.4M
23	Ferro CorpCOM · shares +1.4% · price −5.7%	1.0%	1.00%	$100.7M	5.0M	+1.4%	$20.34	$21.57	−5.7%	−$6.0M
24	Lucid Group IncCOM ADDED · shares New	0.91%	—	$89.4M	3.5M	New	$25.38	—	—	—
25	Kadmon Hldgs IncCOM · shares New	0.88%	—	$86.0M	9.9M	New	$8.71	—	—	—
	Total · 1,287 positions	100%		$9.82B						−$401.3M

The filing on SEC EDGAR ↗

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 Q2 2021 to Q3 2021: 675 stocks held throughout, down $401.3M (−6.3%).

Xilinx Inc+$6.6M+4%
Athene Holding Ltd+$3.2M+2%
Avantor Inc+$3.0M+15%
Ppd Inc+$2.3M+2%
Peoples United Financial Inc+$2.1M+2%
Coherent Inc−$9.4M−5%
Aerojet Rocketdyne Hldgs Inc−$12.7M−10%
Change Healthcare Inc−$14.2M−9%
Multiplan Corporation−$17.1M−41%
Caremax Inc−$293.1M−99%

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.

$30.00B$15.00B$0

Q1 201642 quartersQ2 2026

Every quarter's filing

Each quarter's 13F filing, newest first
Quarter	Filed	Reported value	Positions	Filing
Q2 2026	Aug 14, 2026	$10.96B+11%	1,134	SEC ↗
Q1 2026	May 13, 2026	$9.84B−4%	1,130	SEC ↗
Q4 2025	Feb 17, 2026	$10.21B−38%	896	SEC ↗
Q3 2025	Nov 13, 2025	$16.50B−20%	853	SEC ↗
Q2 2025	Aug 12, 2025	$20.65B+171%	870	SEC ↗
Q1 2025	May 15, 2025	$7.61B+75%	717	SEC ↗
Q4 2024	Feb 11, 2025	$4.36B−6%	589	SEC ↗
Q3 2024	Nov 13, 2024	$4.62B−4%	507	SEC ↗
Q2 2024	Aug 14, 2024	$4.80B+7%	497	SEC ↗
Q1 2024	May 15, 2024	$4.47B+13%	363	SEC ↗
Q4 2023	Feb 13, 2024	$3.94B+1%	363	SEC ↗
Q3 2023	Nov 14, 2023	$3.92B−14%	435	SEC ↗
Q2 2023	Aug 11, 2023	$4.56B−11%	476	SEC ↗
Q1 2023	May 15, 2023	$5.13B−13%	597	SEC ↗
Q4 2022	Feb 14, 2023	$5.91B−18%	767	SEC ↗
Q3 2022	Nov 14, 2022	$7.21B−25%	1,356	SEC ↗
Q2 2022	Aug 15, 2022	$9.67B+3%	1,661	SEC ↗
Q1 2022	May 16, 2022	$9.37B−6%	1,308	SEC ↗
Q4 2021	Feb 14, 2022	$9.96B+1%	1,351	SEC ↗
Q3 2021	Jan 14, 2022 (amended)	$9.82B−7%	1,287	SEC ↗
Q2 2021	Aug 6, 2021	$10.56B+2%	1,173	SEC ↗
Q1 2021	May 14, 2021	$10.40B+47%	1,026	SEC ↗
Q4 2020	Feb 12, 2021	$7.08B+25%	693	SEC ↗
Q3 2020	Nov 16, 2020	$5.66B+67%	640	SEC ↗
Q2 2020	Aug 14, 2020	$3.39B−18%	418	SEC ↗
Q1 2020	May 15, 2020	$4.15B−13%	456	SEC ↗
Q4 2019	Feb 13, 2020	$4.79B+22%	524	SEC ↗
Q3 2019	Nov 14, 2019	$3.93B−21%	470	SEC ↗
Q2 2019	Aug 14, 2019	$5.00B+29%	435	SEC ↗
Q1 2019	May 15, 2019	$3.89B−5%	416	SEC ↗
Q4 2018	Feb 14, 2019	$4.08B−26%	273	SEC ↗
Q3 2018	Feb 14, 2019 (amended)	$5.54B−16%	490	SEC ↗
Q2 2018	Aug 14, 2018 (amended)	$6.56B+13%	485	SEC ↗
Q1 2018	May 15, 2018 (amended)	$5.80B+3%	556	SEC ↗
Q4 2017	Feb 14, 2018 (amended)	$5.62B+2%	674	SEC ↗
Q3 2017	Nov 14, 2017 (amended)	$5.52B−15%	703	SEC ↗
Q2 2017	Aug 14, 2017 (amended)	$6.52B−7%	768	SEC ↗
Q1 2017	May 15, 2017 (amended)	$7.02B+1,897%	703	SEC ↗
Q4 2016	Aug 14, 2017 (amended)	$351.5M−95%	5	SEC ↗
Q3 2016	Nov 14, 2016 (amended)	$7.03B+17%	540	SEC ↗
Q2 2016	Aug 15, 2016 (amended)	$6.02B−7%	351	SEC ↗
Q1 2016	May 16, 2016 (amended)	$6.49B	374	SEC ↗