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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
JENA
151
Jena Acquisition Corp II
JENA
$9.26M 0.09%
900,000
– –
GPAC
152
General Purpose Acquisition Corp
GPAC
$294M
$9.15M 0.09%
+921,640
New +$9.13M
PCAP
153
ProCap Acquisition Corp
PCAP
$327M
$9.13M 0.09%
896,892
– –
SAAQ
154
Space Asset Acquisition Corp
SAAQ
$319M
$9.04M 0.09%
+900,000
New +$8.95M
CRAN
155
Crane Harbor Acquisition Corp II
CRAN
$8.92M 0.09%
+900,000
New +$8.96M
MEVO
156
M Evo Global Acquisition Corp II
MEVO
$8.91M 0.09%
+900,000
New +$8.87M
CCAQ
157
Collective Acquisition Corp
CCAQ
$212M
$8.77M 0.09%
850,000
– –
APXT
158
Apex Treasury Corp
APXT
$466M
$8.47M 0.09%
850,000
– –
PALOU
159
Paloma Acquisition Corp I Units
PALOU
$156M
$8.44M 0.09%
+845,445
New +$8.44M
RANG
160
Range Capital Acquisition Corp
RANG
$8.42M 0.09%
800,000
– –
XRPN
161
Armada Acquisition Corp II
XRPN
$331M
$8.4M 0.09%
814,266
– –
TLNC
162
Talon Capital Corp
TLNC
$350M
$8.17M 0.08%
+799,992
New +$8.1M
ENHA
163
Enhanced Group Inc
ENHA
$376M
$8.14M 0.08%
799,984
– –
AXIN
164
Axiom Intelligence Acquisition Corp 1
AXIN
$281M
$8.1M 0.08%
800,000
– –
SCPQ
165
Social Commerce Partners
SCPQ
$137M
$8.1M 0.08%
+817,948
New +$8.1M
KOYN
166
CSLM Digital Asset Acquisition Corp III
KOYN
$321M
$8.03M 0.08%
800,000
– –
FOUR.PRA
167
Shift4 Payments Inc 6.00% Series A Preferred Stock
FOUR.PRA
$608M
$7.95M 0.08%
145,660
-539,340
-79% -$37.3M
AEAQ
168
Activate Energy Acquisition Corp
AEAQ
$7.94M 0.08%
+800,000
New +$7.92M
BLRK
169
Bluerock Acquisition Corp
BLRK
$232M
$7.94M 0.08%
+799,992
New +$7.92M
FGII
170
FG Imperii Acquisition Corp
FGII
$288M
$7.89M 0.08%
+800,000
New +$7.92M
VHCP
171
Vine Hill Capital Investment Corp II
VHCP
$307M
$7.81M 0.08%
+787,593
New +$7.81M
RAAQ
172
DELISTED
Real Asset Acquisition Corp
RAAQ
$7.8M 0.08%
750,000
– –
DAAQ
173
Digital Asset Acquisition Corp
DAAQ
$239M
$7.67M 0.08%
750,000
– –
CEPF
174
Cantor Equity Partners IV
CEPF
$600M
$7.64M 0.08%
750,000
– –
WENN
175
Wen Acquisition Corp
WENN
$7.63M 0.08%
750,000
– –
5 6
7
8 9

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HI
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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.