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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
ZUMZ icon
626
Zumiez
ZUMZ
$332M
$384K ﹤0.01%
+19,604
New +$324K
CALY
627
Callaway Golf Company
CALY
$3.32B
$381K ﹤0.01%
+40,065
New +$372K
MKL icon
628
Markel Group
MKL
$23.3B
$380K ﹤0.01%
+199
New +$390K
BHE icon
629
Benchmark Electronics
BHE
$2.87B
$380K ﹤0.01%
+9,865
New +$390K
MLACR
630
DELISTED
Mountain Lake Acquisition Corp Right
MLACR
$380K ﹤0.01%
1,900,000
– –
XPEL icon
631
XPEL
XPEL
$1.22B
$374K ﹤0.01%
+11,321
New +$402K
MSM icon
632
MSC Industrial Direct
MSM
$6.89B
$372K ﹤0.01%
+4,032
New +$360K
VRSN icon
633
VeriSign
VRSN
$26.2B
$371K ﹤0.01%
+1,326
New +$371K
SIMAW
634
SIM Acquisition Corp I Warrant
SIMAW
$3.15M
$370K ﹤0.01%
972,598
– –
CNA icon
635
CNA Financial
CNA
$14.2B
$369K ﹤0.01%
+7,944
New +$368K
CEG icon
636
Constellation Energy
CEG
$93.8B
$369K ﹤0.01%
+1,121
New +$362K
AAMI
637
Acadian Asset Management
AAMI
$3.08B
$369K ﹤0.01%
7,659
-1,629
-18% -$72.6K
DYNCW
638
Dynamix Corp Warrant
DYNCW
$368K ﹤0.01%
175,000
– –
FROG icon
639
JFrog
FROG
$9.66B
$365K ﹤0.01%
7,721
-6,658
-46% -$301K
GLDD
640
DELISTED
Great Lakes Dredge & Dock
GLDD
$365K ﹤0.01%
+30,435
New +$353K
DECK icon
641
Deckers Outdoor
DECK
$13.2B
$364K ﹤0.01%
+3,590
New +$392K
JBSS icon
642
John B. Sanfilippo & Son
JBSS
$967M
$362K ﹤0.01%
+5,630
New +$365K
LEU icon
643
Centrus Energy
LEU
$3.48B
$362K ﹤0.01%
+1,166
New +$258K
GRDN
644
Guardian Pharmacy Services
GRDN
$2.5B
$362K ﹤0.01%
+13,782
New +$328K
SBLK icon
645
Star Bulk Carriers
SBLK
$3.21B
$361K ﹤0.01%
+19,397
New +$365K
LPBBW
646
Launch Two Acquisition Corp Warrant
LPBBW
$3.22M
$360K ﹤0.01%
990,000
– –
HOLX
647
DELISTED
Hologic
HOLX
$360K ﹤0.01%
+5,330
New +$354K
KE
648
Kimball Electronics
KE
$595M
$358K ﹤0.01%
11,979
-1,896
-14% -$46.8K
PI icon
649
Impinj
PI
$4.62B
$357K ﹤0.01%
+1,974
New +$311K
CCIXW
650
DELISTED
Churchill Capital Corp IX Warrant
CCIXW
$356K ﹤0.01%
445,000
-57,508
-11% -$48.8K
24 25
26
27 28

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.