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MF

Magnetar Financial Portfolio holdings

AUM $11B
1-Year Est. Return 3.37%
This Fund
S&P 500
This Quarter Est. Return
+19.36%
1 Year Est. Return
-3.37%
3 Year Est. Return
+334.16%
5 Year Est. Return
+550.58%
10 Year Est. Return
+5,328.36%
AUM
$11B
AUM Growth
+$1.11B
Cap. Flow
-$1.86B
Cap. Flow %
-16.95%
Top 10 Hldgs %
54.3%
Holding
1,622
New
486
Increased
140
Reduced
195
Closed
488

Top Buys

Rank Stock Value
1
D icon
Dominion Energy
D
+$79.3M
2
GOOGM
Alphabet Inc Depositary Shares Series A Preferred Stock
GOOGM
+$75.2M
3
ROKU icon
Roku
ROKU
+$61.4M
4
CZR icon
Caesars Entertainment
CZR
+$49.2M
5
RAMP icon
LiveRamp
RAMP
+$45.4M

Top Sells

Rank Stock Value
1
CRWV
CoreWeave
CRWV
+$1.78B
2
AL
Air Lease Corp
AL
+$87.2M
3
PRA
ProAssurance
PRA
+$80.3M
4
MASI
Masimo
MASI
+$76M
5
CSGS
CSG Systems International
CSGS
+$64.5M

Sector Composition

Rank Sector Weight
1 Technology 51.83%
2 Financials 20.12%
3 Miscellaneous 11.72%
4 Industrials 3.3%
5 Healthcare 2.83%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TACO
76
Berto Acquisition Corp
TACO
$394M
$17.3M 0.16%
1,650,000
– –
IWM icon
77
PUT
iShares Russell 2000 ETF
IWM
$80.3B
$17.3M 0.16%
57,500
– –
SPCX
78
SpaceX
SPCX
$2.04T
$17.1M 0.16%
+100,000
New +$17M
CAQ
79
Cambridge Acquisition Corp
CAQ
$16.9M 0.15%
+1,699,995
New +$16.8M
GUACU
80
Berto Acquisition Corp II Unit
GUACU
$16.2M 0.15%
+1,600,000
New +$16.1M
ACGC
81
ACP Holdings Acquisition Corp
ACGC
$15.9M 0.15%
+1,600,000
New +$15.9M
ZIM icon
82
ZIM Integrated Shipping Services
ZIM
$3.6B
$15.8M 0.14%
608,329
+13,073
+2% +$337K
FERA
83
Fifth Era Acquisition Corp I
FERA
$15.6M 0.14%
1,500,000
– –
PMTR
84
Perimeter Acquisition Corp I
PMTR
$321M
$15.6M 0.14%
1,500,000
– –
KCA.U
85
Kensington Capital Acquisition Corp VI New Units
KCA.U
$15.6M 0.14%
+1,549,388
New +$15.5M
NUVL
86
DELISTED
Nuvalent
NUVL
$15.5M 0.14%
+125,341
New +$13.5M
BLUW
87
Blue Water Acquisition Corp III
BLUW
$335M
$15.5M 0.14%
1,500,000
– –
LPRO
88
DELISTED
Open Lending Corp
LPRO
$15.5M 0.14%
+4,970,430
New +$10.2M
NTWO
89
Newbury Street II Acquisition Corp
NTWO
$264M
$15.4M 0.14%
1,450,000
– –
NHIC
90
NewHold Investment Corp III
NHIC
$294M
$15.3M 0.14%
1,401,395
+151,395
+12% +$1.63M
IEAG
91
Infinite Eagle Acquisition Corp
IEAG
$443M
$15.2M 0.14%
1,500,000
– –
POLE
92
Andretti Acquisition Corp II
POLE
$317M
$15.1M 0.14%
1,400,000
– –
IRHO
93
Iron Horse Acquisitions Corp II
IRHO
$295M
$15M 0.14%
1,500,000
– –
CRAC
94
Crown Reserve Acquisition Corp I
CRAC
$228M
$15M 0.14%
1,485,000
– –
KRAQ
95
KRAKacquisition Corp
KRAQ
$433M
$15M 0.14%
1,500,000
– –
QLEP
96
Quantum Leap Acquisition Corp
QLEP
$299M
$14.9M 0.14%
+1,500,000
New +$14.9M
PTOR
97
Praetorian Acquisition Corp
PTOR
$339M
$14.9M 0.14%
1,500,000
– –
PTACU
98
Patriot Acquisition Corp Units
PTACU
$14.8M 0.14%
+1,484,000
New +$14.8M
NWE icon
99
NorthWestern Energy
NWE
$4.43B
$14.8M 0.14%
206,856
+8,396
+4% +$595K
TVA
100
Texas Ventures Acquisition III Corp
TVA
$316M
$14.8M 0.13%
1,400,000
– –
2 3
4
5 6

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BEI
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LCAM
London & Capital Asset Management London, United Kingdom $10.9B AUM 39.88% 1-Year Est. Return
IIM
INTECH Investment Management West Palm Beach, Florida $10.9B AUM 37.22% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
MPI
Mairs & Power Inc St Paul, Minnesota $10.9B AUM 27.5% 1-Year Est. Return
RCMF
RK Capital Management (Florida) Weston, Florida $10.8B AUM 53.02% 1-Year Est. Return
SIM
SRS Investment Management New York $10.8B AUM 34.05% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return

Magnetar Financial's Q2 2026 Portfolio in Review

As of Q2 2026, Magnetar Financial held 1,622 positions worth $11B, up 11% from $9.84B the previous quarter. Its ten largest holdings account for 54% of the portfolio.

Magnetar Financial withdrew a net $1.86B in Q2 2026, closing 488 positions and reducing 195 holdings. Its most notable exit was Air Lease Corp, an estimated $87.2M position sold in full.

By sector, the portfolio is most concentrated in Technology at 52% of assets, down from 53% a quarter earlier, followed by Financials and Miscellaneous.

Against the trend, Magnetar Financial opened a new position in Dominion Energy worth $83.3M.

  • Magnetar Financial's largest Q2 2026 buy was Dominion Energy: 1,219,394 shares worth $83.3M.
  • Magnetar Financial added most to Roku in Q2 2026, an estimated $61.4M increase.
  • Magnetar Financial's biggest Q2 2026 reduction was CoreWeave, cutting an estimated $1.78B.
  • Magnetar Financial fully exited Air Lease Corp in Q2 2026, selling an estimated $87.2M.
  • Magnetar Financial's ten largest holdings make up 54% of its $11B portfolio in Q2 2026.
  • Magnetar Financial opened 486 new positions and closed 488 in Q2 2026.
  • Magnetar Financial's portfolio value rose 11% quarter-over-quarter to $11B.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.