13F filer

Magnetar Financial

As of Jun 30, 2026 Filed Aug 14, 2026 CIK 1352851 SEC filings ↗

13F Value

$10.96B

Positions

1,134

Top Position

CRWV47.3%

Top 5

50.5%

Latest filing changes

vs Mar 31, 2026

1 ROKU Roku >999%+$69.5M

2 PAYO Payoneer Global >999%+$50.5M

3 ALIBABA GROUP HLDG LTD — NOTE 0.500% 6/0 Alibaba Group Hldg +93.0%+$35.9M

4 ORCLPRD Oracle Corporation Depositary Shares, each representing a 1/2,000th interest in a sh of 6.50% Series D Mandatory Convertible Preferred Stock +119.3%+$34.9M

5 SYNA Synaptics >999%+$17.5M

Holdings1,134

#
1	CRWV Coreweave	47.3%	$5.18B	-24.1%	52.06M	48.2%	Common Stock
2	HPEPRC Hewlett Packard Enterprise Company 7.625% Series C Mandatory Convertible Preferred Stock	0.8%	$89.0M	-17.8%	760.0K	0.6%	Preferred
3	WBS Webster Finl	0.8%	$88.4M	+1.8%	1.16M	0.8%	Common Stock
4	KVUE Kenvue	0.8%	$88.2M	+0.2%	4.62M	0.8%	Common Stock
5	GTLS Chart Inds	0.8%	$87.4M	-0.5%	418.3K	0.9%	Equity
6	NSC Norfolk Southern	0.8%	$86.6M	+0.0%	275.2K	0.8%	Common Stock
7	JD.COM INC — NOTE 0.250% 6/0 Jd.com	0.8%	$85.1M	+16.0%	86.63M	0.8%	Bond
8	D Dominion Energy	0.8%	$83.3M	NEW	1.22M	—	Common Stock
9	TXNM Txnm Energy	0.8%	$82.2M	-1.8%	1.45M	0.9%	Common Stock
10	PEN Penumbra	0.7%	$80.8M	+1.8%	255.8K	0.8%	Common Stock
11	TECK Teck Resources	0.7%	$79.1M	-11.2%	1.33M	0.8%	Common Stock
12	MCHPP Microchip Technology Incorporated - Depositary Shares Each Representing a 1/20th Interest in a Share of 7.50% Series A Mandatory Convertible Preferred Stock	0.7%	$75.6M	-4.2%	982.2K	0.6%	Preferred
13	GOOGM Alphabet Inc. - Depositary Shares representing a 1/20th Interest in a Share of Series A Mandatory Convertible Preferred Stock	0.7%	$75.5M	NEW	1.50M	—	Preferred
14	ALIBABA GROUP HLDG LTD — NOTE 0.500% 6/0 Alibaba Group Hldg	0.7%	$74.5M	+93.0%	63.18M	0.5%	Bond
15	WBD Warner Bros Discovery	0.7%	$73.3M	-8.9%	2.75M	0.8%	Common Stock
16	ROKU Roku	0.6%	$70.0M	>999%	507.1K	<0.1%	Common Stock
17	DBRG Digitalbridge Group	0.6%	$65.0M	-2.3%	4.12M	0.7%	Common Stock
18	ORCLPRD Oracle Corporation Depositary Shares, each representing a 1/2,000th interest in a sh of 6.50% Series D Mandatory Convertible Preferred Stock	0.6%	$64.1M	+119.3%	1.43M	0.3%	Preferred
19	FE - Note 3.625% 1/1 Firstenergy	0.6%	$61.7M	NEW	56.50M	—	Bond
20	TRIP COM GROUP LTD — NOTE 0.750% 6/1 Trip Com Group	0.5%	$57.7M	-15.8%	58.45M	0.7%	Bond

Change compares with the prior filing. Prior % is the share of the portfolio in that filing. Trend shows the quantity held in each of the last four filings: green rose, red fell, grey unchanged.

Exited in Latest Filing492

#	Holding	Prior %	Prior Value	Change	Prior Quantity	Trend (4Q)	Type

Compared with the immediately prior published filing (Mar 31, 2026). Prior values are shown for context and are not included in current totals.