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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
SVIVU
126
Spring Valley Acquisition Corp IV Units
SVIVU
$10.2M 0.1%
+1,000,000
New +$10.1M
WLAC
127
DELISTED
Willow Lane Acquisition Corp
WLAC
$10.1M 0.1%
946,350
-88,241
-9% -$1M
HCMA
128
HCM III Acquisition Corp
HCMA
$10.1M 0.1%
999,990
– –
MTAL.U
129
Metals Acquisition Corp II Units
MTAL.U
$10.1M 0.1%
+1,000,000
New +$10.1M
KBON
130
Karbon Capital Partners Corp
KBON
$444M
$10.1M 0.1%
+1,000,000
New +$10.1M
HACQU
131
HCM IV Acquisition Corp Unit
HACQU
$254M
$10M 0.1%
+1,000,000
New +$10.1M
FVAV
132
Fortress Value Acquisition Corp V
FVAV
$369M
$10M 0.1%
+1,000,000
New +$10M
BLZR
133
Trailblazer Acquisition Corp
BLZR
$348M
$10M 0.1%
999,987
– –
AACIU
134
Armada Acquisition Corp III Units
AACIU
$9.99M 0.1%
+1,000,000
New +$9.97M
ACAAU
135
Averin Capital Acquisition Corp Units
ACAAU
$9.99M 0.1%
+1,000,000
New +$10M
PAACU
136
Proem Acquisition Corp I Units
PAACU
$9.98M 0.1%
+1,000,000
New +$10M
SBXE
137
SilverBox Corp V
SBXE
$351M
$9.97M 0.1%
+999,990
New +$9.95M
MZYX.U
138
MOZAYYX Acquisition Corp Units
MZYX.U
$9.95M 0.1%
+1,000,000
New +$9.95M
IGAC
139
Invest Green Acquisition Corp
IGAC
$239M
$9.9M 0.1%
+1,000,000
New +$9.92M
BIXI
140
Bitcoin Infrastructure Acquisition Corp
BIXI
$301M
$9.9M 0.1%
+999,998
New +$9.9M
LPCV
141
Launchpad Cadenza Acquisition Corp I
LPCV
$287M
$9.9M 0.1%
+999,990
New +$9.92M
ADAC
142
American Drive Acquisition Co
ADAC
$290M
$9.89M 0.1%
+999,990
New +$9.9M
BIII
143
Black Spade Acquisition III Co
BIII
$9.86M 0.1%
+999,993
New +$9.91M
ARTC
144
Art Technology Acquisition Corp
ARTC
$9.81M 0.1%
+1,000,000
New +$9.8M
UAC
145
United Acquisition Corp I
UAC
$138M
$9.8M 0.1%
+1,000,000
New +$9.84M
CMIIU
146
Columbus Circle Capital Corp II Unit
CMIIU
$9.65M 0.1%
+971,133
New +$9.69M
BWIV.U
147
Blue Water Acquisition Corp IV Units
BWIV.U
$9.42M 0.1%
+950,000
New +$9.44M
HVMC
148
Highview Merger Corp
HVMC
$300M
$9.34M 0.09%
929,288
– –
GSHR
149
Gesher Acquisition Corp II
GSHR
$214M
$9.3M 0.09%
900,000
– –
MUZE
150
Muzero Acquisition Corp
MUZE
$272M
$9.29M 0.09%
+944,550
New +$9.29M
4 5
6
7 8

Similar funds

HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return
MPI
Mairs & Power Inc St Paul, Minnesota $9.79B AUM 20.6% 1-Year Est. Return
URS
Utah Retirement Systems Salt Lake City, Utah $9.78B AUM 28.72% 1-Year Est. Return
FPAS
Focus Partners Advisor Solutions Saint Louis, Missouri $9.92B AUM 21.52% 1-Year Est. Return
CCM
Cullen Capital Management New York $9.75B AUM 21.81% 1-Year Est. Return
OAM
OP Asset Management Helsinki $9.95B AUM 30.22% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
HL
Harding Loevner Bridgewater, New Jersey $9.72B AUM 22.38% 1-Year Est. Return

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.