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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
STE icon
176
Steris
STE
$22.9B
$6.26M 0.04%
25,281
-13,006
-34% -$3.11M
TW icon
177
Tradeweb Markets
TW
$23B
$6.23M 0.04%
56,134
+54,281
+2,929% +$6.98M
JACS
178
Jackson Acquisition Co II
JACS
$317M
$6.23M 0.04%
600,000
– –
FAF icon
179
First American
FAF
$7.98B
$6.17M 0.04%
95,997
-22,357
-19% -$1.41M
CLSK icon
180
CleanSpark
CLSK
$3.08B
$6.16M 0.04%
424,795
+365,762
+620% +$4.13M
AGI icon
181
Alamos Gold
AGI
$12B
$6.11M 0.04%
175,223
-119,799
-41% -$3.42M
AACB
182
Artius II Acquisition Inc
AACB
$291M
$6.08M 0.04%
600,000
– –
AMH icon
183
American Homes 4 Rent
AMH
$12.1B
$6.07M 0.04%
+182,687
New +$6.37M
GSRT
184
DELISTED
GSR III Acquisition Corp
GSRT
$6.07M 0.04%
585,653
-824,347
-58% -$8.71M
SITE icon
185
SiteOne Landscape Supply
SITE
$4.16B
$6.01M 0.04%
46,669
+13,572
+41% +$1.84M
IFF icon
186
International Flavors & Fragrances
IFF
$20.3B
$5.96M 0.04%
96,805
+69,740
+258% +$4.79M
MFC icon
187
Manulife Financial
MFC
$73B
$5.89M 0.04%
189,208
-109,867
-37% -$3.39M
OSK icon
188
Oshkosh
OSK
$8.91B
$5.88M 0.04%
+45,344
New +$6.02M
MCO icon
189
Moody's
MCO
$83.7B
$5.87M 0.04%
+12,324
New +$6.21M
CLS icon
190
Celestica
CLS
$37.8B
$5.79M 0.04%
23,502
+21,124
+888% +$4.26M
GL icon
191
Globe Life
GL
$14B
$5.78M 0.04%
40,435
+38,666
+2,186% +$5.24M
PRMB
192
Primo Brands
PRMB
$8.35B
$5.78M 0.04%
261,417
-52,956
-17% -$1.37M
LII icon
193
Lennox International
LII
$15B
$5.73M 0.03%
10,819
+10,430
+2,681% +$6.09M
SHW icon
194
Sherwin-Williams
SHW
$84.8B
$5.62M 0.03%
+16,226
New +$5.72M
CI icon
195
Cigna
CI
$78.4B
$5.61M 0.03%
19,478
+17,287
+789% +$5.12M
CPRT icon
196
Copart
CPRT
$28.5B
$5.59M 0.03%
124,255
+120,009
+2,826% +$5.66M
ALAB icon
197
Astera Labs
ALAB
$42.8B
$5.58M 0.03%
28,506
+14,681
+106% +$2.41M
CVX icon
198
Chevron
CVX
$382B
$5.55M 0.03%
+35,710
New +$5.53M
COPL
199
Copley Acquisition Corp
COPL
$248M
$5.54M 0.03%
547,400
– –
APG icon
200
APi Group
APG
$16.7B
$5.47M 0.03%
+159,260
New +$5.56M
6 7
8
9 10

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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.