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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
ABT icon
1126
Abbott
ABT
$183B
– –
-22,052
Closed -$2.25M
ACLX
1127
DELISTED
Arcellx
ACLX
– –
-394,931
Closed -$45.3M
ACMR icon
1128
ACM Research
ACMR
$5.36B
– –
-18,303
Closed -$720K
ACN icon
1129
Accenture
ACN
$110B
– –
-11,455
Closed -$2.26M
ADMA icon
1130
ADMA Biologics
ADMA
$2.14B
– –
-17,633
Closed -$159K
AGCO icon
1131
AGCO
AGCO
$8.92B
– –
-7,903
Closed -$916K
AGIO icon
1132
Agios Pharmaceuticals
AGIO
$2B
– –
-5,936
Closed -$201K
AGM icon
1133
Federal Agricultural Mortgage
AGM
$2.45B
– –
-3,651
Closed -$542K
AGRO icon
1134
Adecoagro
AGRO
$1.77B
– –
-42,471
Closed -$638K
AIR icon
1135
AAR Corp
AIR
$5.26B
– –
-2,046
Closed -$224K
AIT icon
1136
Applied Industrial Technologies
AIT
$12B
– –
-11,679
Closed -$3.1M
AL
1137
DELISTED
Air Lease Corp
AL
– –
-1,342,230
Closed -$87.2M
ALC icon
1138
Alcon
ALC
$33.4B
– –
-3,337
Closed -$251K
ALKT icon
1139
Alkami Technology
ALKT
$2.07B
– –
-10,272
Closed -$161K
ALLY icon
1140
Ally Financial
ALLY
$12.9B
– –
-18,022
Closed -$707K
AMBA icon
1141
Ambarella
AMBA
$2.8B
– –
-17,014
Closed -$876K
AMG icon
1142
Affiliated Managers Group
AMG
$9.32B
– –
-4,110
Closed -$1.14M
AMPL icon
1143
Amplitude
AMPL
$1.56B
– –
-33,105
Closed -$226K
AMRX icon
1144
Amneal Pharmaceuticals
AMRX
$5.94B
– –
-81,001
Closed -$1.01M
AMWD
1145
DELISTED
American Woodmark
AMWD
– –
-313,986
Closed -$12.5M
ANET icon
1146
Arista Networks
ANET
$246B
– –
-7,049
Closed -$819K
ANNX icon
1147
Annexon
ANNX
$885M
– –
-14,205
Closed -$78.7K
AORT icon
1148
Artivion
AORT
$1.23B
– –
-17,444
Closed -$639K
APLS
1149
DELISTED
Apellis Pharmaceuticals
APLS
– –
-869,229
Closed -$35M
APO.PRA
1150
DELISTED
Apollo Global Management Series A
APO.PRA
– –
-250,000
Closed -$14.7M
44 45
46
47 48

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BEI
Benjamin Edwards Inc Clayton, Missouri $11B AUM 18.22% 1-Year Est. Return
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.