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MF

Magnetar Financial Portfolio holdings

AUM $9.84B
1-Year Est. Return 190.64%
This Fund
S&P 500
This Quarter Est. Return
+7.2%
1 Year Est. Return
+190.64%
3 Year Est. Return
+293.18%
5 Year Est. Return
+491.79%
10 Year Est. Return
+5,174.28%
AUM
$9.84B
AUM Growth
-$362M
Cap. Flow
-$305M
Cap. Flow %
-3.09%
Top 10 Hldgs %
55.7%
Holding
1,493
New
604
Increased
145
Reduced
173
Closed
363

Top Buys

Rank Stock Value
1
PEN icon
Penumbra
PEN
+$85.1M
2
WBS icon
Webster Financial
WBS
+$77.3M
3
AAUC
Allied Gold Corp
AAUC
+$76.1M
4
MASI
Masimo
MASI
+$66.2M
5
MCHPP
Microchip Technology Inc 7.50% Series A Preferred Stock
MCHPP
+$65.3M

Top Sells

Rank Stock Value
1
CMA
Comerica
CMA
+$99.1M
2
REVG
REV Group
REVG
+$97.8M
3
FYBR
Frontier Communications
FYBR
+$89.2M
4
CYBR
CyberArk
CYBR
+$89M
5
TGNA
TEGNA Inc
TGNA
+$84.5M

Sector Composition

Rank Sector Weight
1 Technology 53.03%
2 Financials 19.67%
3 Industrials 4.76%
4 Healthcare 4.19%
5 Materials 2.11%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CCAQW
901
Collective Acquisition Corp Warrants
CCAQW
$185K ﹤0.01%
637,500
– –
GPK icon
902
Graphic Packaging
GPK
$3.26B
$185K ﹤0.01%
18,582
-245,091
-93% -$3.09M
EGHAR
903
EGH Acquisition Corp Rights
EGHAR
$183K ﹤0.01%
600,000
– –
KFIIR
904
K&F Growth Acquisition Corp II Rights
KFIIR
$178K ﹤0.01%
1,250,000
– –
BHVN icon
905
Biohaven
BHVN
$2.16B
$177K ﹤0.01%
+20,937
New +$229K
SVCCW
906
Stellar V Capital Corp Warrant
SVCCW
$176K ﹤0.01%
650,000
– –
HPE icon
907
Hewlett Packard
HPE
$63.2B
$175K ﹤0.01%
+7,748
New +$172K
XCBEW
908
X3 Acquisition Corp Warrant
XCBEW
$4.16M
$175K ﹤0.01%
+700,000
New +$185K
MRTN icon
909
Marten Transport
MRTN
$1.33B
$174K ﹤0.01%
+13,270
New +$170K
CNH
910
CNH Industrial
CNH
$13.8B
$174K ﹤0.01%
15,823
-159,196
-91% -$1.79M
SXC icon
911
SunCoke Energy
SXC
$757M
$173K ﹤0.01%
+26,529
New +$188K
MAGN
912
Magnera Corp
MAGN
$488M
$173K ﹤0.01%
+18,160
New +$232K
GLND
913
Greenland Energy Co
GLND
$87.9M
$171K ﹤0.01%
+19,496
New +$201K
IGACR
914
Invest Green Acquisition Corp Rights
IGACR
$170K ﹤0.01%
+1,000,000
New +$187K
FACTW
915
FACT II Acquisition Corp Warrant
FACTW
$1.54M
$168K ﹤0.01%
419,597
-111,152
-21% -$52.5K
JMIA
916
Jumia Technologies
JMIA
$726M
$168K ﹤0.01%
+24,277
New +$245K
ALUB.WS
917
Alussa Energy Acquisition Corp II Warrants
ALUB.WS
$167K ﹤0.01%
+416,664
New +$193K
OWL icon
918
Blue Owl Capital
OWL
$6.39B
$166K ﹤0.01%
+18,169
New +$220K
CRANR
919
Crane Harbor Acquisition Corp II Rights
CRANR
$165K ﹤0.01%
+900,000
New +$190K
ARCIW
920
Archimedes Tech SPAC Partners III Warrant
ARCIW
$3.89M
$165K ﹤0.01%
+300,000
New +$159K
AACBR
921
Artius II Acquisition Inc Rights
AACBR
$163K ﹤0.01%
600,000
– –
CCIXW
922
Churchill Capital Corp IX Warrant
CCIXW
$71.9K
$162K ﹤0.01%
308,022
-20,023
-6% -$13K
ALKT icon
923
Alkami Technology
ALKT
$1.8B
$161K ﹤0.01%
+10,272
New +$189K
PTORW
924
Praetorian Acquisition Corp Warrant
PTORW
$160K ﹤0.01%
+500,000
New +$148K
ADMA icon
925
ADMA Biologics
ADMA
$1.92B
$159K ﹤0.01%
+17,633
New +$278K
35 36
37
38 39

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HI
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MPI
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URS
Utah Retirement Systems Salt Lake City, Utah $9.78B AUM 28.72% 1-Year Est. Return
FPAS
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CCM
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OAM
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FCM
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HL
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Magnetar Financial's Q1 2026 Portfolio in Review

As of Q1 2026, Magnetar Financial held 1,493 positions worth $9.84B, down 3.5% from $10.2B the previous quarter. Its ten largest holdings account for 56% of the portfolio.

Magnetar Financial withdrew a net $305M in Q1 2026, closing 363 positions and reducing 173 holdings. Its most notable exit was Comerica, an estimated $99.1M position sold in full.

By sector, the portfolio is most concentrated in Technology at 53% of assets, down from 54% a quarter earlier, followed by Financials and Industrials.

Against the trend, Magnetar Financial opened a new position in Penumbra worth $82.6M.

  • Magnetar Financial's largest Q1 2026 buy was Penumbra: 251,433 shares worth $82.6M.
  • Magnetar Financial added most to Webster Financial in Q1 2026, an estimated $77.3M increase.
  • Magnetar Financial's biggest Q1 2026 reduction was Shift4 Payments Inc 6.00% Series A Preferred Stock, cutting an estimated $37.3M.
  • Magnetar Financial fully exited Comerica in Q1 2026, selling an estimated $99.1M.
  • Magnetar Financial's ten largest holdings make up 56% of its $9.84B portfolio in Q1 2026.
  • Magnetar Financial opened 604 new positions and closed 363 in Q1 2026.
  • Magnetar Financial's portfolio value fell 3.5% quarter-over-quarter to $9.84B.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.