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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
-18.31%
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
$10.2B
AUM Growth
-$6.3B
Cap. Flow
-$1.76B
Cap. Flow %
-17.26%
Top 10 Hldgs %
56.41%
Holding
1,310
New
462
Increased
107
Reduced
157
Closed
414

Top Buys

Rank Stock Value
1
CMA
Comerica
CMA
+$91.8M
2
REVG
REV Group
REVG
+$90.3M
3
KVUE icon
Kenvue
KVUE
+$86.1M
4
RNAM
Avidity Biosciences
RNAM
+$74.8M
5
WBD icon
Warner Bros
WBD
+$74.4M

Top Sells

Rank Stock Value
1
CRWV
CoreWeave
CRWV
+$1.4B
2
MRUS
Merus
MRUS
+$98.4M
3
K
Kellanova
K
+$93.8M
4
AVDX
AvidXchange
AVDX
+$84.2M
5
WNS
WNS Holdings
WNS
+$83.8M

Sector Composition

Rank Sector Weight
1 Technology 53.79%
2 Financials 14.35%
3 Industrials 5.38%
4 Healthcare 4.38%
5 Communication Services 3.15%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
IRHOU
76
Iron Horse Acquisitions II Corp Units
IRHOU
$14.9M 0.15%
+1,500,000
New +$14.9M
CRAC
77
Crown Reserve Acquisition Corp I
CRAC
$227M
$14.8M 0.14%
+1,485,000
New +$14.7M
POLE
78
Andretti Acquisition Corp II
POLE
$319M
$14.8M 0.14%
1,400,000
– –
ALB.PRA icon
79
Albemarle Corp Depositary Shares
ALB.PRA
$2.23B
$14.7M 0.14%
250,000
+150,000
+150% +$7.43M
RNGTU
80
Range Capital Acquisition Corp II Units
RNGTU
$14.3M 0.14%
+1,400,000
New +$14.2M
TDAC
81
Translational Development Acquisition Corp
TDAC
$209M
$13.6M 0.13%
1,300,000
– –
SVCC
82
Stellar V Capital Corp
SVCC
$230M
$13.5M 0.13%
1,300,000
– –
ATII
83
Archimedes Tech SPAC Partners II Co
ATII
$316M
$13.5M 0.13%
1,300,000
– –
OYSE
84
Oyster Enterprises II Acquisition Corp
OYSE
$350M
$13.1M 0.13%
1,300,000
– –
WLAC
85
DELISTED
Willow Lane Acquisition Corp
WLAC
$13.1M 0.13%
1,034,591
-162,304
-14% -$2M
NHIC
86
NewHold Investment Corp III
NHIC
$295M
$12.9M 0.13%
1,250,000
– –
KFII
87
K&F Growth Acquisition Corp II
KFII
$416M
$12.9M 0.13%
1,250,000
– –
GSRFU
88
GSR IV Acquisition Corp Units
GSRFU
$218M
$12.9M 0.13%
1,250,000
– –
NWE icon
89
NorthWestern Energy
NWE
$4.37B
$12.8M 0.13%
197,657
+2,135
+1% +$135K
ALUB.U
90
Alussa Energy Acquisition Corp II Units
ALUB.U
$12.6M 0.12%
+1,250,000
New +$12.6M
OBA
91
Oxley Bridge Acquisition Ltd
OBA
$324M
$12.6M 0.12%
+1,250,000
New +$12.5M
AEXA
92
American Exceptionalism Acquisition Corp
AEXA
$557M
$12.5M 0.12%
1,100,000
– –
MESHU
93
Meshflow Acquisition Corp Units
MESHU
$12.5M 0.12%
+1,250,000
New +$12.5M
ITHAU
94
ITHAX Acquisition Corp III Units
ITHAU
$12.4M 0.12%
+1,250,000
New +$12.5M
BACC
95
Blue Acquisition Corp
BACC
$294M
$12.2M 0.12%
1,198,763
-1,237
-0.1% -$12.6K
DVAX
96
DELISTED
Dynavax Technologies
DVAX
$12M 0.12%
+778,013
New +$8.57M
CCCX
97
DELISTED
Churchill Capital Corp X
CCCX
$11.1M 0.11%
712,262
-739,890
-51% -$12.4M
MBVIU
98
M3-Brigade Acquisition VI Corp Units
MBVIU
$11.1M 0.11%
1,100,000
– –
FACT
99
FACT II Acquisition Corp
FACT
$259M
$11.1M 0.11%
1,061,498
– –
BRR
100
ProCap Financial Inc
BRR
$154M
$11M 0.11%
3,125,000
+2,737,758
+707% +$21.8M
2 3
4
5 6

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HI
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MPI
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URS
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FPAS
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CCM
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FCM
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HL
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DCP
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Magnetar Financial's Q4 2025 Portfolio in Review

As of Q4 2025, Magnetar Financial held 1,310 positions worth $10.2B, down 38% from $16.5B the previous quarter. Its ten largest holdings account for 56% of the portfolio.

Magnetar Financial withdrew a net $1.76B in Q4 2025, closing 414 positions and reducing 157 holdings. Its most notable exit was Merus, an estimated $98.4M position sold in full.

By sector, the portfolio is most concentrated in Technology at 54% of assets, down from 72% a quarter earlier, followed by Financials and Industrials.

Against the trend, Magnetar Financial opened a new position in Comerica worth $99.1M.

  • Magnetar Financial's largest Q4 2025 buy was Comerica: 1,139,969 shares worth $99.1M.
  • Magnetar Financial added most to Qorvo in Q4 2025, an estimated $47.5M increase.
  • Magnetar Financial's biggest Q4 2025 reduction was CoreWeave, cutting an estimated $1.4B.
  • Magnetar Financial fully exited Merus in Q4 2025, selling an estimated $98.4M.
  • Magnetar Financial's ten largest holdings make up 56% of its $10.2B portfolio in Q4 2025.
  • Magnetar Financial opened 462 new positions and closed 414 in Q4 2025.
  • Magnetar Financial's portfolio value fell 38% quarter-over-quarter to $10.2B.

Based on Magnetar Financial's 13F filing for Q4 2025, filed 17 Feb 2026.