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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
ZKPW
976
Lafayette Digital Acquisition Corp I Warrant
ZKPW
$119K ﹤0.01%
+450,000
New +$149K
BIII.WS
977
Black Spade Acquisition III Co Warrants
BIII.WS
$117K ﹤0.01%
+333,331
New +$129K
GTM
978
ZoomInfo Technologies
GTM
$861M
$116K ﹤0.01%
19,335
-142,601
-88% -$1.05M
HCACR
979
Hall Chadwick Acquisition Corp Rights
HCACR
$115K ﹤0.01%
+500,000
New +$122K
KBONW
980
Karbon Capital Partners Corp Warrant
KBONW
$5.61M
$115K ﹤0.01%
+250,000
New +$160K
ALFUW
981
Centurion Acquisition Corp Warrant
ALFUW
$115K ﹤0.01%
928,125
– –
CUBWW
982
Lionheart Holdings Warrant
CUBWW
$6.12M
$115K ﹤0.01%
955,127
– –
GSHRW
983
Gesher Acquisition Corp II Warrants
GSHRW
$114K ﹤0.01%
450,000
– –
UGP icon
984
Ultrapar
UGP
$6.87B
$114K ﹤0.01%
20,666
-2,117
-9% -$10.2K
SBXE.WS
985
SilverBox Corp V Warrants
SBXE.WS
$114K ﹤0.01%
+333,330
New +$115K
NVCR icon
986
NovoCure
NVCR
$2.04B
$112K ﹤0.01%
+10,293
New +$129K
SVV icon
987
Savers
SVV
$1.4B
$111K ﹤0.01%
+14,967
New +$143K
RYAM icon
988
Rayonier Advanced Materials
RYAM
$565M
$111K ﹤0.01%
10,046
-55,271
-85% -$499K
NPACW
989
New Providence Acquisition Corp III Warrants
NPACW
$2.4M
$111K ﹤0.01%
583,330
– –
GPACW
990
General Purpose Acquisition Corp Warrant
GPACW
$3.22M
$111K ﹤0.01%
+460,820
New +$114K
XSLLW
991
Xsolla SPAC 1 Warrants
XSLLW
$110K ﹤0.01%
+550,000
New +$94.6K
MUZEW
992
Muzero Acquisition Corp Warrant
MUZEW
$2.82M
$109K ﹤0.01%
+472,275
New +$119K
VREX icon
993
Varex Imaging
VREX
$460M
$108K ﹤0.01%
10,150
-11,208
-52% -$143K
DRDBW
994
Roman DBDR Acquisition Corp II Warrants
DRDBW
$106K ﹤0.01%
500,000
– –
NEOG icon
995
Neogen
NEOG
$2.05B
$106K ﹤0.01%
+11,382
New +$112K
JACS.RT
996
Jackson Acquisition Co II Rights
JACS.RT
$105K ﹤0.01%
600,000
– –
PACHW
997
Pioneer Acquisition I Corp Warrants
PACHW
$105K ﹤0.01%
500,000
– –
GRAF.WS
998
Graf Global Corp Warrants
GRAF.WS
$10.9M
$105K ﹤0.01%
806,677
– –
CLF icon
999
Cleveland-Cliffs
CLF
$6.81B
$104K ﹤0.01%
+12,304
New +$141K
FCRS.WS
1000
FutureCrest Acquisition Corp Warrants
FCRS.WS
$103K ﹤0.01%
+175,000
New +$122K
38 39
40
41 42

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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.