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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
CAPNR
1076
Cayson Acquisition Corp Right
CAPNR
$17.6K ﹤0.01%
75,000
– –
RFAIR
1077
RF Acquisition Corp II Right
RFAIR
$11.9K ﹤0.01%
99,000
– –
GTERR
1078
Globa Terra Acquisition Corp Rights
GTERR
$11.5K ﹤0.01%
100,000
– –
ONCHW
1079
1RT Acquisition Corp Warrant
ONCHW
$2.37M
$11.1K ﹤0.01%
25,000
– –
CHPGR
1080
ChampionsGate Acquisition Corp Rights
CHPGR
$10.9K ﹤0.01%
75,000
– –
MCHP icon
1081
Microchip Technology
MCHP
$42.8B
$9.67K ﹤0.01%
161
-69,928
-100% -$5.03M
GTERW
1082
Globa Terra Acquisition Corp Warrants
GTERW
$1.27M
$9.57K ﹤0.01%
75,000
– –
NAMMW
1083
Namib Minerals Warrants
NAMMW
$3.72M
$9.45K ﹤0.01%
70,000
-196,667
-74% -$37.2K
GPACU
1084
General Purpose Acquisition Corp Units
GPACU
$209M
$3.94K ﹤0.01%
394
-921,054
-100% -$9.23M
GSRFU
1085
GSR IV Acquisition Corp Units
GSRFU
$267 ﹤0.01%
24
-1,249,976
-100% -$12.9M
LKSPU
1086
Lake Superior Acquisition Corp Units
LKSPU
$213 ﹤0.01%
21
-495,187
-100% -$5.05M
APADU
1087
DELISTED
A Paradise Acquisition Corp Unit
APADU
$171 ﹤0.01%
+16
New +$166
BLZRU
1088
Trailblazer Acquisition Corp Unit
BLZRU
$205M
$132 ﹤0.01%
+13
New +$133
LATAU
1089
Galata Acquisition Corp. II Units
LATAU
$131 ﹤0.01%
13
-699,987
-100% -$7.11M
GTENU
1090
Gores Holdings X Units
GTENU
$124 ﹤0.01%
+12
New +$125
SVACU
1091
DELISTED
Spring Valley Acquisition Corp III Unit
SVACU
$105 ﹤0.01%
+10
New +$108
NPACU
1092
New Providence Acquisition Corp III Units
NPACU
$282M
$104 ﹤0.01%
+10
New +$104
HCMAU
1093
HCM III Acquisition Corp Units
HCMAU
$103 ﹤0.01%
+10
New +$103
SBXE.U
1094
SilverBox Corp V Units
SBXE.U
$101 ﹤0.01%
10
-999,990
-100% -$10.1M
OIMAU
1095
OneIM Acquisition Corp Units
OIMAU
$101 ﹤0.01%
+10
New +$101
ADACU
1096
American Drive Acquisition Co Units
ADACU
$100 ﹤0.01%
10
-999,990
-100% -$9.99M
LPCVU
1097
Launchpad Cadenza Acquisition Corp I Unit
LPCVU
$201M
$100 ﹤0.01%
10
-999,990
-100% -$10M
VHCPU
1098
Vine Hill Capital Investment Corp II Units
VHCPU
$90 ﹤0.01%
9
-601,591
-100% -$6.04M
TLNCU
1099
Talon Capital Corp Units
TLNCU
$83 ﹤0.01%
8
-799,992
-100% -$8.22M
PCAPU
1100
ProCap Acquisition Corp Unit
PCAPU
$212M
$82 ﹤0.01%
+8
New +$82
42 43
44
45 46

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URS
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FPAS
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CCM
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OAM
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FCM
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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.