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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
INGR icon
376
Ingredion
INGR
$6.33B
$1.6M 0.01%
+13,069
New +$1.68M
KAI icon
377
Kadant
KAI
$3.63B
$1.59M 0.01%
+5,358
New +$1.75M
POWI icon
378
Power Integrations
POWI
$3.39B
$1.59M 0.01%
+39,461
New +$1.9M
CWAN
379
DELISTED
Clearwater Analytics
CWAN
$1.59M 0.01%
87,990
+73,171
+494% +$1.48M
HUM icon
380
Humana
HUM
$44B
$1.58M 0.01%
6,091
-31,536
-84% -$8.29M
ADMA icon
381
ADMA Biologics
ADMA
$2.01B
$1.58M 0.01%
+108,085
New +$1.85M
CART icon
382
Maplebear
CART
$10.5B
$1.58M 0.01%
43,095
-5,644
-12% -$260K
DINO icon
383
HF Sinclair
DINO
$16.7B
$1.55M 0.01%
+29,680
New +$1.41M
NYT icon
384
New York Times
NYT
$12.3B
$1.54M 0.01%
26,779
+13,868
+107% +$791K
NCNO icon
385
nCino
NCNO
$2.01B
$1.53M 0.01%
+56,396
New +$1.65M
SWX icon
386
Southwest Gas
SWX
$6.54B
$1.52M 0.01%
+19,421
New +$1.51M
KIM icon
387
Kimco Realty
KIM
$17.2B
$1.5M 0.01%
68,427
-347,628
-84% -$7.56M
WTM icon
388
White Mountains Insurance
WTM
$5.25B
$1.47M 0.01%
+881
New +$1.57M
BLD
389
DELISTED
TopBuild
BLD
$1.46M 0.01%
+3,747
New +$1.5M
AQN icon
390
Algonquin Power & Utilities
AQN
$4.6B
$1.46M 0.01%
+271,852
New +$1.56M
PTEN icon
391
Patterson-UTI
PTEN
$3.74B
$1.46M 0.01%
280,919
+247,010
+728% +$1.42M
HGV icon
392
Hilton Grand Vacations
HGV
$3.64B
$1.45M 0.01%
+34,612
New +$1.59M
JLL icon
393
Jones Lang LaSalle
JLL
$16.8B
$1.44M 0.01%
+4,841
New +$1.38M
MTH icon
394
Meritage Homes
MTH
$4.61B
$1.44M 0.01%
19,823
+6,899
+53% +$513K
ST icon
395
Sensata Technologies
ST
$6.98B
$1.42M 0.01%
46,352
-54,014
-54% -$1.71M
OPCH icon
396
Option Care Health
OPCH
$3.36B
$1.41M 0.01%
+50,613
New +$1.47M
OLLI icon
397
Ollie's Bargain Outlet
OLLI
$4.4B
$1.4M 0.01%
+10,883
New +$1.44M
VTRS icon
398
Viatris
VTRS
$20.7B
$1.39M 0.01%
140,903
+74,697
+113% +$727K
MBAVW
399
DELISTED
M3-Brigade Acquisition V Corp Warrant
MBAVW
$1.38M 0.01%
1,045,000
-60,644
-5% -$90.3K
ICLR icon
400
Icon
ICLR
$12.8B
$1.38M 0.01%
7,903
+3,274
+71% +$548K
14 15
16
17 18

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MPI
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URS
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FPAS
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CCM
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FCM
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HL
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DCP
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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.