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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
ALB icon
851
Albemarle
ALB
$13.9B
– –
-5,220
Closed -$318K
ALGN icon
852
Align Technology
ALGN
$12.1B
– –
-1,215
Closed -$230K
ALKS icon
853
Alkermes
ALKS
$8.22B
– –
-123,678
Closed -$3.54M
ALL icon
854
Allstate
ALL
$68B
– –
-42,389
Closed -$8.53M
AMAT icon
855
Applied Materials
AMAT
$403B
– –
-25,846
Closed -$4.73M
AMCR icon
856
Amcor
AMCR
$20.8B
– –
-74,813
Closed -$3.44M
AME icon
857
Ametek
AME
$55.4B
– –
-47,226
Closed -$8.55M
AMED
858
DELISTED
Amedisys
AMED
– –
-644,894
Closed -$63.5M
AMG icon
859
Affiliated Managers Group
AMG
$9.69B
– –
-1,448
Closed -$285K
AMP icon
860
Ameriprise Financial
AMP
$48.3B
– –
-406
Closed -$217K
AMPH icon
861
Amphastar Pharmaceuticals
AMPH
$879M
– –
-13,337
Closed -$306K
AMR icon
862
Alpha Metallurgical Resources
AMR
$1.74B
– –
-3,258
Closed -$366K
AN icon
863
AutoNation
AN
$7.11B
– –
-43,448
Closed -$8.63M
ANDE icon
864
Andersons Inc
ANDE
$2.41B
– –
-36,223
Closed -$1.33M
ANSS
865
DELISTED
Ansys
ANSS
– –
-251,751
Closed -$88.4M
AOS icon
866
A.O. Smith
AOS
$8.29B
– –
-43,271
Closed -$2.84M
APH icon
867
Amphenol
APH
$198B
– –
-9,037
Closed -$892K
APOG icon
868
Apogee Enterprises
APOG
$826M
– –
-12,657
Closed -$514K
APTV icon
869
Aptiv
APTV
$12B
– –
-4,924
Closed -$336K
AROC icon
870
Archrock
AROC
$6.27B
– –
-34,312
Closed -$852K
ASC icon
871
Ardmore Shipping
ASC
$710M
– –
-48,583
Closed -$466K
ASTS icon
872
AST SpaceMobile
ASTS
$17.6B
– –
-24,505
Closed -$1.15M
ATEX icon
873
Anterix
ATEX
$1.81B
– –
-25,860
Closed -$663K
ATKR icon
874
Atkore
ATKR
$2.46B
– –
-9,243
Closed -$652K
ATMU icon
875
Atmus Filtration Technologies
ATMU
$4.22B
– –
-31,646
Closed -$1.15M
33 34
35
36 37

Similar funds

HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return
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.