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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
+259.01%
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
$20.7B
AUM Growth
+$13B
Cap. Flow
+$280M
Cap. Flow %
1.36%
Top 10 Hldgs %
79.59%
Holding
1,244
New
524
Increased
170
Reduced
136
Closed
374

Top Buys

Rank Stock Value
1
DNB
Dun & Bradstreet
DNB
+$95.2M
2
SWTX
SpringWorks Therapeutics
SWTX
+$91.3M
3
TXNM
TXNM Energy Inc
TXNM
+$89.9M
4
SKX
Skechers
SKX
+$81.4M
5
AVDX
AvidXchange
AVDX
+$76.2M

Top Sells

Rank Stock Value
1
BECN
Beacon Roofing Supply, Inc.
BECN
+$92.1M
2
DFS
Discover Financial Services
DFS
+$86.6M
3
VRN
Veren
VRN
+$83.7M
4
PYCR
Paycor HCM, Inc. Common Stock
PYCR
+$82.4M
5
BERY
Berry Global Group, Inc.
BERY
+$78.1M

Sector Composition

Rank Sector Weight
1 Technology 79.1%
2 Financials 5.67%
3 Healthcare 2.17%
4 Industrials 1.84%
5 Communication Services 1.27%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AEE icon
851
Ameren
AEE
$31B
– –
-35,068
Closed -$3.52M
AFG icon
852
American Financial Group
AFG
$12B
– –
-27,334
Closed -$3.59M
AFRM icon
853
Affirm
AFRM
$23.5B
– –
-8,582
Closed -$388K
AGNC icon
854
AGNC Investment
AGNC
$12.8B
– –
-29,984
Closed -$287K
AHRT
855
AH Realty Trust
AHRT
$542M
– –
-12,540
Closed -$94.2K
AIT icon
856
Applied Industrial Technologies
AIT
$12.4B
– –
-9,979
Closed -$2.25M
AIZ icon
857
Assurant
AIZ
$14B
– –
-22,180
Closed -$4.65M
ALEX
858
DELISTED
Alexander & Baldwin
ALEX
– –
-36,296
Closed -$625K
AMBA icon
859
Ambarella
AMBA
$2.91B
– –
-4,013
Closed -$202K
OSG
860
Octave Specialty Group
OSG
$255M
– –
-27,188
Closed -$238K
AMKR icon
861
Amkor Technology
AMKR
$11.3B
– –
-10,922
Closed -$197K
GOLD
862
Gold.com Inc
GOLD
$1.15B
– –
-15,593
Closed -$396K
AMRX icon
863
Amneal Pharmaceuticals
AMRX
$6.04B
– –
-29,605
Closed -$248K
AMZN icon
864
Amazon
AMZN
$2.45T
– –
-4,119
Closed -$784K
AON icon
865
Aon
AON
$80B
– –
-5,536
Closed -$2.21M
APD icon
866
Air Products & Chemicals
APD
$65.4B
– –
-2,146
Closed -$633K
ARE icon
867
Alexandria Real Estate Equities
ARE
$9.65B
– –
-21,600
Closed -$2M
ARLO icon
868
Arlo Technologies
ARLO
$1.56B
– –
-11,890
Closed -$117K
ARMK icon
869
Aramark
ARMK
$15.2B
– –
-6,811
Closed -$235K
ARWR icon
870
Arrowhead Research
ARWR
$12.2B
– –
-70,375
Closed -$897K
ARW icon
871
Arrow Electronics
ARW
$10.6B
– –
-10,525
Closed -$1.09M
ASO icon
872
Academy Sports + Outdoors
ASO
$3.08B
– –
-28,361
Closed -$1.29M
ATI icon
873
ATI
ATI
$24.7B
– –
-42,401
Closed -$2.21M
AVAV icon
874
AeroVironment
AVAV
$7.5B
– –
-14,311
Closed -$1.71M
AVB icon
875
AvalonBay Communities
AVB
$27.4B
– –
-1,558
Closed -$334K
33 34
35
36 37

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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 Q2 2025 Portfolio in Review

As of Q2 2025, Magnetar Financial held 1,244 positions worth $20.7B, up 171% from $7.61B the previous quarter. Its ten largest holdings account for 80% of the portfolio.

Magnetar Financial's Q2 2025 filing shows 524 new, 170 increased, 136 reduced and 374 closed positions. Its largest new stake was Dun & Bradstreet: 10,636,170 shares worth $96.7M. The largest sale was Beacon Roofing Supply, Inc., an estimated $92.1M.

By sector, the portfolio is most concentrated in Technology at 79% of assets, up from 53% a quarter earlier, followed by Financials and Healthcare.

  • Magnetar Financial's largest Q2 2025 buy was Dun & Bradstreet: 10,636,170 shares worth $96.7M.
  • Magnetar Financial added most to Blueprint Medicines in Q2 2025, an estimated $75.4M increase.
  • Magnetar Financial's biggest Q2 2025 reduction was M3-Brigade Acquisition V Corp Units, cutting an estimated $30.3M.
  • Magnetar Financial fully exited Beacon Roofing Supply, Inc. in Q2 2025, selling an estimated $92.1M.
  • Magnetar Financial's ten largest holdings make up 80% of its $20.7B portfolio in Q2 2025.
  • Magnetar Financial opened 524 new positions and closed 374 in Q2 2025.
  • Magnetar Financial's portfolio value rose 171% quarter-over-quarter to $20.7B.

Based on Magnetar Financial's 13F filing for Q2 2025, filed 12 Aug 2025.