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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
APPF icon
1151
AppFolio
APPF
$7.3B
– –
-2,651
Closed -$418K
APTV icon
1152
Aptiv
APTV
$9.56B
– –
-10,222
Closed -$681K
ASH icon
1153
Ashland
ASH
$3.34B
– –
-13,916
Closed -$774K
ASML icon
1154
ASML
ASML
$678B
– –
-155
Closed -$205K
ASTE icon
1155
Astec Industries
ASTE
$997M
– –
-23,520
Closed -$1.27M
ATEC icon
1156
Alphatec Holdings
ATEC
$1.42B
– –
-32,794
Closed -$357K
ATEN icon
1157
A10 Networks
ATEN
$1.78B
– –
-40,453
Closed -$935K
ATMU icon
1158
Atmus Filtration Technologies
ATMU
$3.9B
– –
-43,739
Closed -$2.48M
AVGO icon
1159
Broadcom
AVGO
$1.75T
– –
-9,956
Closed -$2.92M
AVNT icon
1160
Avient
AVNT
$3.95B
– –
-30,638
Closed -$1.11M
AXSM icon
1161
Axsome Therapeutics
AXSM
$10.9B
– –
-16,009
Closed -$2.71M
AZN icon
1162
AstraZeneca
AZN
$248B
– –
-9,449
Closed -$1.86M
BAC icon
1163
Bank of America
BAC
$437B
– –
-31,900
Closed -$1.51M
BDC icon
1164
Belden
BDC
$4.77B
– –
-12,846
Closed -$1.48M
BELFB
1165
Bel Fuse Inc Class B
BELFB
$3.59B
– –
-1,069
Closed -$212K
BFH icon
1166
Bread Financial
BFH
$4.17B
– –
-4,699
Closed -$352K
BGC icon
1167
BGC Group
BGC
$5.7B
– –
-26,497
Closed -$259K
BILL icon
1168
BILL Holdings
BILL
$4.06B
– –
-43,572
Closed -$1.67M
BJRI icon
1169
BJ's Restaurants
BJRI
$1.29B
– –
-6,155
Closed -$216K
BKD icon
1170
Brookdale Senior Living
BKD
$2.89B
– –
-14,679
Closed -$201K
BKE icon
1171
Buckle
BKE
$2.17B
– –
-41,492
Closed -$2.09M
BKNG icon
1172
Booking.com
BKNG
$135B
– –
-2,875
Closed -$474K
BLD
1173
DELISTED
TopBuild
BLD
– –
-1,110
Closed -$390K
BLDR icon
1174
Builders FirstSource
BLDR
$6.79B
– –
-24,019
Closed -$1.89M
BMO icon
1175
Bank of Montreal
BMO
$122B
– –
-11,373
Closed -$1.54M
45 46
47
48 49

Similar funds

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.