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MF

Magnetar Financial Portfolio holdings

AUM $9.84B
1-Year Est. Return 190.64%
This Fund
S&P 500
This Quarter Est. Return
-0.75%
1 Year Est. Return
+190.64%
3 Year Est. Return
+293.18%
5 Year Est. Return
+491.79%
10 Year Est. Return
+5,174.28%
AUM
$7.61B
AUM Growth
+$3.26B
Cap. Flow
+$3.15B
Cap. Flow %
41.44%
Top 10 Hldgs %
56.64%
Holding
1,013
New
430
Increased
139
Reduced
90
Closed
296

Top Buys

Rank Stock Value
1
CRWV
CoreWeave
CRWV
+$3.69B
2
BECN
Beacon Roofing Supply, Inc.
BECN
+$86.7M
3
PYCR
Paycor HCM, Inc. Common Stock
PYCR
+$81.3M
4
VRN
Veren
VRN
+$70M
5
PLYA
Playa Hotels & Resorts
PLYA
+$64.5M

Top Sells

Rank Stock Value
1
SNY icon
Sanofi
SNY
+$161M
2
ELAN icon
Elanco Animal Health
ELAN
+$133M
3
BDX icon
Becton Dickinson
BDX
+$79.3M
4
SUM
Summit Materials, Inc. Class A Common Stock
SUM
+$79.1M
5
HCP
HashiCorp, Inc. Class A Common Stock
HCP
+$76.8M

Sector Composition

Rank Sector Weight
1 Technology 53.19%
2 Industrials 6.07%
3 Financials 5.03%
4 Healthcare 4.22%
5 Energy 3.46%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SAM icon
601
Boston Beer
SAM
$1.91B
$238K ﹤0.01%
+998
New +$243K
LFUS icon
602
Littelfuse
LFUS
$11.2B
$238K ﹤0.01%
+1,211
New +$277K
OSG
603
Octave Specialty Group
OSG
$243M
$238K ﹤0.01%
+27,188
New +$286K
TSEM icon
604
Tower Semiconductor
TSEM
$24.8B
$238K ﹤0.01%
6,663
+817
+14% +$36.9K
FRSH icon
605
Freshworks
FRSH
$3.14B
$237K ﹤0.01%
16,821
-18,503
-52% -$310K
ICL icon
606
ICL Group
ICL
$6.53B
$237K ﹤0.01%
+41,634
New +$245K
MCS icon
607
Marcus Corp
MCS
$894M
$237K ﹤0.01%
+14,186
New +$274K
CENTA icon
608
Central Garden & Pet Co Class A
CENTA
$2.37B
$236K ﹤0.01%
+7,199
New +$229K
ARMK icon
609
Aramark
ARMK
$15B
$235K ﹤0.01%
+6,811
New +$251K
NFG icon
610
National Fuel Gas
NFG
$7.82B
$234K ﹤0.01%
+2,959
New +$213K
VKTX icon
611
Viking Therapeutics
VKTX
$3.7B
$234K ﹤0.01%
9,687
-38,415
-80% -$1.21M
TIGO icon
612
Millicom
TIGO
$16B
$233K ﹤0.01%
7,692
-11,241
-59% -$310K
NBIS
613
Nebius Group N.V.
NBIS
$48.3B
$233K ﹤0.01%
+11,021
New +$363K
XRX icon
614
Xerox
XRX
$386M
$233K ﹤0.01%
+48,137
New +$361K
RPD icon
615
Rapid7
RPD
$645M
$232K ﹤0.01%
+8,754
New +$298K
CHRW icon
616
C.H. Robinson
CHRW
$17.4B
$230K ﹤0.01%
+2,246
New +$227K
MSA icon
617
Mine Safety
MSA
$7.35B
$230K ﹤0.01%
1,567
+141
+10% +$22.5K
JLL icon
618
Jones Lang LaSalle
JLL
$16.5B
$229K ﹤0.01%
+925
New +$243K
JAMF
619
DELISTED
Jamf
JAMF
$228K ﹤0.01%
+18,793
New +$269K
VLO icon
620
Valero Energy
VLO
$92.9B
$227K ﹤0.01%
+1,722
New +$228K
WTM icon
621
White Mountains Insurance
WTM
$5.2B
$227K ﹤0.01%
+118
New +$222K
SCS
622
DELISTED
Steelcase
SCS
$227K ﹤0.01%
+20,670
New +$238K
OFIX icon
623
Orthofix Medical
OFIX
$477M
$226K ﹤0.01%
13,865
-10,604
-43% -$186K
CSTL icon
624
Castle Biosciences
CSTL
$849M
$225K ﹤0.01%
+11,226
New +$278K
JCI icon
625
Johnson Controls International
JCI
$88.8B
$224K ﹤0.01%
2,801
-6,077
-68% -$500K
23 24
25
26 27

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HI
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MPI
Mairs & Power Inc St Paul, Minnesota $9.79B AUM 20.6% 1-Year Est. Return
URS
Utah Retirement Systems Salt Lake City, Utah $9.78B AUM 28.72% 1-Year Est. Return
FPAS
Focus Partners Advisor Solutions Saint Louis, Missouri $9.92B AUM 21.52% 1-Year Est. Return
CCM
Cullen Capital Management New York $9.75B AUM 21.81% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
HL
Harding Loevner Bridgewater, New Jersey $9.72B AUM 22.38% 1-Year Est. Return
DCP
Durable Capital Partners Bethesda, Maryland $9.71B AUM 26.27% 1-Year Est. Return

Magnetar Financial's Q1 2025 Portfolio in Review

As of Q1 2025, Magnetar Financial held 1,013 positions worth $7.61B, up 75% from $4.36B the previous quarter. Its ten largest holdings account for 57% of the portfolio.

Magnetar Financial deployed $3.15B of net new capital in Q1 2025, opening 430 new positions and adding to 139 existing holdings. Its largest new stake was CoreWeave: 95,818,248 shares worth $3.55B.

By sector, the portfolio is most concentrated in Technology at 53% of assets, up from 12% a quarter earlier, followed by Industrials and Financials.

On the sell side, the largest reduction was Elanco Animal Health, an estimated $133M trimmed.

  • Magnetar Financial's largest Q1 2025 buy was CoreWeave: 95,818,248 shares worth $3.55B.
  • Magnetar Financial added most to Kellanova in Q1 2025, an estimated $15.7M increase.
  • Magnetar Financial's biggest Q1 2025 reduction was Elanco Animal Health, cutting an estimated $133M.
  • Magnetar Financial fully exited Sanofi in Q1 2025, selling an estimated $161M.
  • Magnetar Financial's ten largest holdings make up 57% of its $7.61B portfolio in Q1 2025.
  • Magnetar Financial opened 430 new positions and closed 296 in Q1 2025.
  • Magnetar Financial's portfolio value rose 75% quarter-over-quarter to $7.61B.

Based on Magnetar Financial's 13F filing for Q1 2025, filed 15 May 2025.