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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
CRWV
1
CoreWeave
CRWV
$44.2B
$11.2B 67.98%
81,983,325
-13,834,923
-14% -$1.64B
NSC icon
2
Norfolk Southern
NSC
$78.3B
$108M 0.65%
+358,330
New +$99.5M
CYBR
3
DELISTED
CyberArk
CYBR
$102M 0.62%
+211,240
New +$90.7M
AL
4
DELISTED
Air Lease Corp
AL
$101M 0.61%
+1,579,485
New +$94.4M
MRUS
5
DELISTED
Merus
MRUS
$98.4M 0.6%
+1,045,209
New +$68.1M
TXNM
6
TXNM Energy Inc
TXNM
$6.45B
$95.5M 0.58%
1,689,221
+39,139
+2% +$2.22M
K
7
DELISTED
Kellanova
K
$93.8M 0.57%
1,143,169
+26,420
+2% +$2.1M
AVDX
8
DELISTED
AvidXchange
AVDX
$84.2M 0.51%
8,466,957
+19,049
+0.2% +$189K
TGNA
9
DELISTED
TEGNA Inc
TGNA
$84.2M 0.51%
4,140,181
+4,078,275
+6,588% +$77.7M
WNS
10
DELISTED
WNS Holdings
WNS
$83.8M 0.51%
+1,098,809
New +$82.2M
IPG
11
DELISTED
Interpublic Group of Companies
IPG
$83.4M 0.51%
2,987,340
+40,211
+1% +$1.04M
FYBR
12
DELISTED
Frontier Communications
FYBR
$83.3M 0.5%
2,229,089
+50,640
+2% +$1.87M
COOP
13
DELISTED
Mr. Cooper
COOP
$82.2M 0.5%
389,877
+8,911
+2% +$1.64M
GTLS
14
DELISTED
Chart Industries
GTLS
$76.5M 0.46%
+382,078
New +$72.6M
PRA
15
DELISTED
ProAssurance
PRA
$72.6M 0.44%
3,026,173
+69,365
+2% +$1.65M
VRNA
16
DELISTED
Verona Pharma
VRNA
$67M 0.41%
+628,260
New +$65.6M
SCS
17
DELISTED
Steelcase
SCS
$59.4M 0.36%
+3,452,916
New +$49.9M
DAY
18
DELISTED
Dayforce
DAY
$52.3M 0.32%
+759,407
New +$47.3M
FOUR.PRA
19
Shift4 Payments Inc 6.00% Series A Preferred Stock
FOUR.PRA
$587M
$50.8M 0.31%
535,000
+485,000
+970% +$52.7M
LBRDK icon
20
Liberty Broadband Class C
LBRDK
$4.26B
$46.5M 0.28%
731,342
+17,372
+2% +$1.21M
TRML
21
DELISTED
Tourmaline Bio
TRML
$46.2M 0.28%
+966,129
New +$26.8M
AHL
22
DELISTED
Aspen Insurance
AHL
$44.7M 0.27%
+1,218,999
New +$40.1M
SPR
23
DELISTED
Spirit AeroSystems
SPR
$41.8M 0.25%
1,083,026
+15,558
+1% +$622K
CTLP
24
DELISTED
Cantaloupe
CTLP
$38.5M 0.23%
3,642,669
+385,074
+12% +$4.2M
ARES.PRB
25
Ares Management Corp 6.75% Series B Preferred Stock
ARES.PRB
$1.19B
$37.8M 0.23%
757,250
+297,250
+65% +$16.5M
1
2 3 4 5

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URS
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FPAS
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CCM
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OAM
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FCM
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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.