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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
LYFT icon
1326
Lyft
LYFT
$6.15B
– –
-107,480
Closed -$1.43M
LYTS icon
1327
LSI Industries
LYTS
$729M
– –
-22,284
Closed -$414K
MAA icon
1328
Mid-America Apartment Communities
MAA
$14.8B
– –
-8,917
Closed -$1.09M
MAIN icon
1329
Main Street Capital
MAIN
$5.3B
– –
-33,000
Closed -$1.75M
MASI
1330
DELISTED
Masimo
MASI
– –
-427,081
Closed -$76M
MATV icon
1331
Mativ Holdings
MATV
$693M
– –
-49,632
Closed -$432K
MC icon
1332
Moelis & Co
MC
$5.09B
– –
-29,561
Closed -$1.68M
MCFT icon
1333
MasterCraft Boat Holdings
MCFT
$570M
– –
-36,086
Closed -$740K
MCHP icon
1334
Microchip Technology
MCHP
$39.8B
– –
-161
Closed -$9.67K
MCO icon
1335
Moody's
MCO
$83.3B
– –
-559
Closed -$242K
MCRI icon
1336
Monarch Casino & Resort
MCRI
$2.14B
– –
-7,552
Closed -$722K
MDGL icon
1337
Madrigal Pharmaceuticals
MDGL
$12.3B
– –
-3,811
Closed -$1.99M
MEDP icon
1338
Medpace
MEDP
$16.5B
– –
-977
Closed -$469K
MFIC icon
1339
MidCap Financial Investment
MFIC
$761M
– –
-112,559
Closed -$1.27M
MGA icon
1340
Magna International
MGA
$17.8B
– –
-12,440
Closed -$665K
MHK icon
1341
Mohawk Industries
MHK
$8.79B
– –
-24,372
Closed -$2.4M
MIDD icon
1342
Middleby
MIDD
$4.91B
– –
-11,451
Closed -$1.52M
MKC icon
1343
McCormick & Company Non-Voting
MKC
$14B
– –
-9,449
Closed -$508K
MLR icon
1344
Miller Industries
MLR
$631M
– –
-6,006
Closed -$274K
DFTX
1345
Definium Therapeutics
DFTX
$5.14B
– –
-13,178
Closed -$249K
MO icon
1346
Altria Group
MO
$114B
– –
-3,845
Closed -$258K
MOG.A icon
1347
Moog Inc Class A
MOG.A
$11.7B
– –
-5,644
Closed -$1.65M
MOH icon
1348
Molina Healthcare
MOH
$10.2B
– –
-1,946
Closed -$256K
MORN icon
1349
Morningstar
MORN
$7.52B
– –
-4,621
Closed -$781K
MP icon
1350
MP Materials
MP
$9.86B
– –
-4,324
Closed -$209K
52 53
54
55 56

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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.