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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
RL icon
501
Ralph Lauren
RL
$20.7B
$758K 0.01%
+1,888
New +$703K
TFX icon
502
Teleflex
TFX
$5.81B
$758K 0.01%
+5,978
New +$765K
NVT icon
503
nVent Electric
NVT
$26.3B
$749K 0.01%
+4,414
New +$688K
VRSN icon
504
VeriSign
VRSN
$25.5B
$745K 0.01%
+2,963
New +$823K
CNXN icon
505
PC Connection
CNXN
$2.11B
$738K 0.01%
10,115
+3,204
+46% +$214K
NRIM icon
506
Northrim BanCorp
NRIM
$579M
$738K 0.01%
26,587
+16,638
+167% +$413K
IMSR
507
Terrestrial Energy
IMSR
$601M
$737K 0.01%
244,000
– –
ADT icon
508
ADT
ADT
$5.27B
$735K 0.01%
113,136
+30,721
+37% +$211K
HUBS icon
509
HubSpot
HUBS
$12B
$734K 0.01%
4,023
+1,344
+50% +$281K
TPG icon
510
TPG
TPG
$8.49B
$732K 0.01%
18,051
-24,365
-57% -$1.02M
KE
511
Kimball Electronics
KE
$605M
$731K 0.01%
+28,570
New +$733K
TDACW
512
Translational Development Acquisition Corp Warrants
TDACW
$15.9M
$731K 0.01%
553,895
-96,105
-15% -$96.4K
RPD icon
513
Rapid7
RPD
$705M
$726K 0.01%
+89,681
New +$594K
QNST icon
514
QuinStreet
QNST
$1.03B
$725K 0.01%
49,511
+10,462
+27% +$131K
LINE
515
Lineage Inc
LINE
$8.63B
$723K 0.01%
+16,722
New +$658K
TEAM icon
516
Atlassian
TEAM
$44.7B
$722K 0.01%
9,275
-15,955
-63% -$1.3M
PMTRW
517
Perimeter Acquisition Corp I Warrant
PMTRW
$8.57M
$712K 0.01%
750,000
– –
NTCT icon
518
NETSCOUT
NTCT
$2.69B
$712K 0.01%
+16,352
New +$615K
ISRG icon
519
Intuitive Surgical
ISRG
$124B
$711K 0.01%
+1,787
New +$781K
BWA icon
520
BorgWarner
BWA
$13.5B
$708K 0.01%
10,661
+5,367
+101% +$340K
SSRM icon
521
SSR Mining
SSRM
$7.53B
$707K 0.01%
+25,001
New +$762K
COCO icon
522
Vita Coco
COCO
$3.08B
$706K 0.01%
10,681
-7,890
-42% -$532K
AMT icon
523
American Tower
AMT
$81.9B
$704K 0.01%
+4,305
New +$775K
KRNT icon
524
Kornit Digital
KRNT
$702M
$702K 0.01%
+43,207
New +$683K
ORLY icon
525
O'Reilly Automotive
ORLY
$69.5B
$698K 0.01%
+7,583
New +$692K
19 20
21
22 23

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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.