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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
LBTYA icon
876
Liberty Global Class A
LBTYA
$3.65B
$233K ﹤0.01%
20,491
-115,727
-85% -$1.38M
GEHC icon
877
GE HealthCare
GEHC
$30.2B
$232K ﹤0.01%
+3,627
New +$238K
VNOM icon
878
Viper Energy
VNOM
$16.1B
$231K ﹤0.01%
+5,447
New +$252K
DOO
879
Bombardier Recreational Products
DOO
$4.49B
$230K ﹤0.01%
3,777
-8,423
-69% -$507K
CCIXW
880
DELISTED
Churchill Capital Corp IX Warrant
CCIXW
$230K ﹤0.01%
295,000
-13,022
-4% -$5.93K
LSCC icon
881
Lattice Semiconductor
LSCC
$16.7B
$230K ﹤0.01%
+1,504
New +$194K
FLNG icon
882
FLEX LNG
FLNG
$1.68B
$228K ﹤0.01%
+8,142
New +$252K
DMIIR
883
Drugs Made In America Acquisition II Corp Right
DMIIR
$228K ﹤0.01%
2,700,000
– –
BAM icon
884
Brookfield Asset Management
BAM
$78.1B
$228K ﹤0.01%
+5,081
New +$240K
MRCY icon
885
Mercury Systems
MRCY
$5.02B
$226K ﹤0.01%
+1,848
New +$176K
ABUS icon
886
Arbutus Biopharma
ABUS
$1.03B
$226K ﹤0.01%
47,067
-11,449
-20% -$50.3K
ARCIW
887
Archimedes Tech SPAC Partners III Warrant
ARCIW
$225K ﹤0.01%
300,000
– –
AACPR
888
Apogee Acquisition Corp Rights
AACPR
$225K ﹤0.01%
+1,250,000
New +$240K
MRVI icon
889
Maravai LifeSciences
MRVI
$1.07B
$224K ﹤0.01%
+35,958
New +$155K
CPAY icon
890
Corpay
CPAY
$26.7B
$224K ﹤0.01%
+672
New +$223K
SVCCW
891
Stellar V Capital Corp Warrant
SVCCW
$224K ﹤0.01%
650,000
– –
ATRO icon
892
Astronics
ATRO
$3.27B
$223K ﹤0.01%
2,739
-41,416
-94% -$2.83M
HRTG icon
893
Heritage Insurance Holdings
HRTG
$1.02B
$222K ﹤0.01%
8,522
-774
-8% -$19.3K
BWMN icon
894
Bowman Consulting
BWMN
$738M
$221K ﹤0.01%
+7,569
New +$238K
MLAAW
895
Mountain Lake Acquisition Corp II Warrants
MLAAW
$3.28M
$220K ﹤0.01%
775,000
-225,000
-23% -$85.2K
TWST icon
896
Twist Bioscience
TWST
$8.43B
$220K ﹤0.01%
+2,142
New +$139K
AMPH icon
897
Amphastar Pharmaceuticals
AMPH
$975M
$220K ﹤0.01%
10,906
-329
-3% -$6.64K
RLI icon
898
RLI Corp
RLI
$5.61B
$220K ﹤0.01%
+3,723
New +$200K
HASI icon
899
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$5.06B
$220K ﹤0.01%
+5,623
New +$225K
AMCR icon
900
Amcor
AMCR
$20.5B
$218K ﹤0.01%
+5,019
New +$199K
34 35
36
37 38

Similar funds

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.