Arkolith/Funds/Magnetar Financial LLC

Magnetar Financial LLC

CIK: 1352851Q1 2026
Active Filer
Portfolio Value
$9.8B
Positions
2129
New Buys
960
374 sold
Changes
262 ↑ / 326 ↓

Top HoldingsQ1 2026

2129 total positions
#SecurityValueShares% PortChangeΔ Shares
1COREWEAVE INC
COM CL A
$4.7B68.57M48.2%
ADDED
+375.0K
2AIR LEASE CORP
CL A
$60.3M929.1K0.6%
REDUCED
-234,233
3CHART INDS INC
COM
$60.0M290.2K0.6%
ADDED
+154.6K
4TXNM ENERGY INC
COM
$59.7M1.02M0.6%
ADDED
+572.1K
5WARNER BROS DISCOVERY INC
COM SER A
$57.2M2.11M0.6%
ADDED
+1.26M
6PENUMBRA INC
COM
$57.1M173.9K0.6%
NEW
7TRIP COM GROUP LTD
NOTE 0.750% 6/1
$55.8M54.09M0.6%
ADDED
+36.37M
8PROASSURANCE CORP
COM
$55.6M2.25M0.6%
ADDED
+1.38M
9ALLIED GOLD CORP
COM NEW
$54.9M1.77M0.6%
NEW
10KENVUE INC
COM
$54.8M3.18M0.6%
ADDED
+1.83M
11WEBSTER FINL CORP
COM
$53.7M773.8K0.5%
ADDED
+769.6K
12TECK RESOURCES LTD
CL B
$52.7M1.02M0.5%
ADDED
+553.4K
13JD.COM INC
NOTE 0.250% 6/0
$52.4M52.44M0.5%
ADDED
+30.19M
14MASIMO CORP
COM
$52.0M292.1K0.5%
ADDED
+287.9K
15NORFOLK SOUTHN CORP
COM
$52.0M184.0K0.5%
ADDED
+93.2K
16
CSG SYS INTL INC
COM
$48.5M606.8K0.5%
ADDED
+409.2K
17DIGITALBRIDGE GROUP INC
CL A NEW
$47.3M3.07M0.5%
ADDED
+2.48M
18AMICUS THERAPEUTIC
COM
$41.9M2.90M0.4%
ADDED
+1.83M
19HEWLETT PACKARD ENTERPRISE C
7.625 MAND CONV
$41.1M630.3K0.4%
ADDED
+487.0K
20TRI POINTE HOMES INC
COM
$37.9M810.4K0.4%
ADDED
+764.2K
21PG&E CORP
NOTE 4.250%12/0
$36.6M35.31M0.4%
ADDED
+17.72M
22MICROCHIP TECHNOLOGY INC.
DEP SHS REPSTG
$36.5M634.3K0.4%
NEW
23ESSENTIAL UTILS INC
COM
$36.4M904.5K0.4%
HELD
0
24SILICON LABORATORIES INC
COM
$34.5M165.9K0.4%
NEW
25
VALARIS LTD
CL A
$32.9M335.8K0.3%
ADDED
+330.6K
Showing top 25 of 2129 positions

Filing History

Q1 20261755 pos
$9.8B
Q4 20251486 pos
$10.2B

Data Source

Holdings data sourced from SEC EDGAR 13F-HR filings. Updated quarterly, approximately 45 days after quarter end. All data is public domain.

Last filed: May 13, 2026