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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
-7.55%
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
$16.5B
AUM Growth
-$4.15B
Cap. Flow
-$2.14B
Cap. Flow %
-12.95%
Top 10 Hldgs %
73.35%
Holding
1,268
New
402
Increased
141
Reduced
153
Closed
415

Top Buys

Rank Stock Value
1
NSC icon
Norfolk Southern
NSC
+$99.5M
2
AL
Air Lease Corp
AL
+$94.4M
3
CYBR
CyberArk
CYBR
+$90.7M
4
WNS
WNS Holdings
WNS
+$82.2M
5
TGNA
TEGNA Inc
TGNA
+$77.7M

Top Sells

Rank Stock Value
1
CRWV
CoreWeave
CRWV
+$1.64B
2
DNB
Dun & Bradstreet
DNB
+$96.7M
3
SWTX
SpringWorks Therapeutics
SWTX
+$96.5M
4
BPMC
Blueprint Medicines
BPMC
+$93.6M
5
SKX
Skechers
SKX
+$89.4M

Sector Composition

Rank Sector Weight
1 Technology 71.81%
2 Financials 7.56%
3 Industrials 3.4%
4 Healthcare 2.61%
5 Communication Services 2.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
NPACU
826
New Providence Acquisition Corp III Units
NPACU
$284M
$103 ﹤0.01%
10
– –
PCAPU
827
ProCap Acquisition Corp Unit
PCAPU
$213M
$85 ﹤0.01%
8
-896,892
-100% -$9.43M
GRAF.U
828
DELISTED
Graf Global Corp Units
GRAF.U
$55 ﹤0.01%
5
– –
SIMAU
829
SIM Acquisition Corp I Unit
SIMAU
$218M
$47 ﹤0.01%
4
– –
LPAAU
830
DELISTED
Launch One Acquisition Corp Unit
LPAAU
$43 ﹤0.01%
4
– –
ALDFU
831
Aldel Financial II Inc Units
ALDFU
$223M
$43 ﹤0.01%
4
– –
CUBWU
832
Lionheart Holdings Unit
CUBWU
$35 ﹤0.01%
3
– –
FACTU
833
FACT II Acquisition Corp Unit
FACTU
$21 ﹤0.01%
2
– –
AAPL icon
834
Apple
AAPL
$4.54T
– –
-1,192
Closed -$245K
ABBV icon
835
AbbVie
ABBV
$443B
– –
-6,535
Closed -$1.21M
ABX
836
Abacus Global Management
ABX
$989M
– –
-49,493
Closed -$254K
ACGL icon
837
Arch Capital
ACGL
$34.3B
– –
-25,246
Closed -$2.3M
ACEL icon
838
Accel Entertainment
ACEL
$978M
– –
-37,385
Closed -$440K
ACHC icon
839
Acadia Healthcare
ACHC
$2.76B
– –
-49,840
Closed -$1.13M
ACIC icon
840
American Coastal Insurance
ACIC
$515M
– –
-29,980
Closed -$333K
ACIW icon
841
ACI Worldwide
ACIW
$5.83B
– –
-14,223
Closed -$653K
ACM icon
842
Aecom
ACM
$9.3B
– –
-2,055
Closed -$232K
ADTN icon
843
Adtran
ADTN
$689M
– –
-26,134
Closed -$234K
AEO icon
844
American Eagle Outfitters
AEO
$2.88B
– –
-78,817
Closed -$758K
AGO icon
845
Assured Guaranty
AGO
$3.66B
– –
-12,332
Closed -$1.07M
AGRO icon
846
Adecoagro
AGRO
$1.44B
– –
-31,615
Closed -$289K
AGX icon
847
Argan
AGX
$8B
– –
-1,333
Closed -$294K
AI icon
848
C3.ai
AI
$1.43B
– –
-22,647
Closed -$556K
AKAM icon
849
Akamai
AKAM
$16.7B
– –
-164
Closed -$13.1K
AKR icon
850
Acadia Realty Trust
AKR
$3.09B
– –
-29,075
Closed -$540K
32 33
34
35 36

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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 Q3 2025 Portfolio in Review

As of Q3 2025, Magnetar Financial held 1,268 positions worth $16.5B, down 20% from $20.7B the previous quarter. Its ten largest holdings account for 73% of the portfolio.

Magnetar Financial withdrew a net $2.14B in Q3 2025, closing 415 positions and reducing 153 holdings. Its most notable exit was Dun & Bradstreet, an estimated $96.7M position sold in full.

By sector, the portfolio is most concentrated in Technology at 72% of assets, down from 79% a quarter earlier, followed by Financials and Industrials.

Against the trend, Magnetar Financial opened a new position in Norfolk Southern worth $108M.

  • Magnetar Financial's largest Q3 2025 buy was Norfolk Southern: 358,330 shares worth $108M.
  • Magnetar Financial added most to TEGNA Inc in Q3 2025, an estimated $77.7M increase.
  • Magnetar Financial's biggest Q3 2025 reduction was CoreWeave, cutting an estimated $1.64B.
  • Magnetar Financial fully exited Dun & Bradstreet in Q3 2025, selling an estimated $96.7M.
  • Magnetar Financial's ten largest holdings make up 73% of its $16.5B portfolio in Q3 2025.
  • Magnetar Financial opened 402 new positions and closed 415 in Q3 2025.
  • Magnetar Financial's portfolio value fell 20% quarter-over-quarter to $16.5B.

Based on Magnetar Financial's 13F filing for Q3 2025, filed 13 Nov 2025.