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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
-18.31%
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
$10.2B
AUM Growth
-$6.3B
Cap. Flow
-$1.76B
Cap. Flow %
-17.26%
Top 10 Hldgs %
56.41%
Holding
1,310
New
462
Increased
107
Reduced
157
Closed
414

Top Buys

Rank Stock Value
1
CMA
Comerica
CMA
+$91.8M
2
REVG
REV Group
REVG
+$90.3M
3
KVUE icon
Kenvue
KVUE
+$86.1M
4
RNAM
Avidity Biosciences
RNAM
+$74.8M
5
WBD icon
Warner Bros
WBD
+$74.4M

Top Sells

Rank Stock Value
1
CRWV
CoreWeave
CRWV
+$1.4B
2
MRUS
Merus
MRUS
+$98.4M
3
K
Kellanova
K
+$93.8M
4
AVDX
AvidXchange
AVDX
+$84.2M
5
WNS
WNS Holdings
WNS
+$83.8M

Sector Composition

Rank Sector Weight
1 Technology 53.79%
2 Financials 14.35%
3 Industrials 5.38%
4 Healthcare 4.38%
5 Communication Services 3.15%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
RYAM icon
601
Rayonier Advanced Materials
RYAM
$588M
$385K ﹤0.01%
+65,317
New +$424K
SBLK icon
602
Star Bulk Carriers
SBLK
$3.22B
$384K ﹤0.01%
20,001
+604
+3% +$11.3K
ALKS icon
603
Alkermes
ALKS
$8.18B
$383K ﹤0.01%
+13,701
New +$410K
CGNT icon
604
Cognyte Software
CGNT
$645M
$382K ﹤0.01%
40,673
-21,439
-35% -$185K
VRT icon
605
Vertiv
VRT
$91.2B
$382K ﹤0.01%
+2,357
New +$409K
NPKI
606
NPK International
NPKI
$1.09B
$382K ﹤0.01%
+32,027
New +$391K
SENEA icon
607
Seneca Foods Class A
SENEA
$1.11B
$382K ﹤0.01%
+3,450
New +$394K
ACEL icon
608
Accel Entertainment
ACEL
$966M
$380K ﹤0.01%
+33,316
New +$351K
BCPC
609
Balchem Corp
BCPC
$5.24B
$379K ﹤0.01%
2,473
-3,875
-61% -$591K
DMIIR
610
Drugs Made In America Acquisition II Corp Right
DMIIR
$378K ﹤0.01%
+2,700,000
New +$386K
SFM icon
611
Sprouts Farmers Market
SFM
$8.14B
$377K ﹤0.01%
4,730
-69,154
-94% -$6.2M
SDHIR
612
Siddhi Acquisition Corp Right
SDHIR
$376K ﹤0.01%
1,750,000
– –
BLMN icon
613
Bloomin' Brands
BLMN
$738M
$374K ﹤0.01%
+60,643
New +$423K
MRVL icon
614
Marvell Technology
MRVL
$171B
$374K ﹤0.01%
+4,396
New +$385K
FLOC
615
Flowco Holdings
FLOC
$845M
$371K ﹤0.01%
+19,813
New +$331K
WEX icon
616
WEX
WEX
$6.28B
$371K ﹤0.01%
+2,489
New +$375K
GRAF.WS
617
DELISTED
Graf Global Corp Warrants
GRAF.WS
$365K ﹤0.01%
806,677
– –
AMZN icon
618
Amazon
AMZN
$2.87T
$361K ﹤0.01%
+1,566
New +$358K
TJX icon
619
TJX Companies
TJX
$174B
$361K ﹤0.01%
2,351
-4,041
-63% -$598K
RANGR
620
Range Capital Acquisition Corp Rights
RANGR
$360K ﹤0.01%
800,000
– –
IPCXR
621
Inflection Point Acquisition Corp III Rights
IPCXR
$360K ﹤0.01%
1,000,000
– –
CNX icon
622
CNX Resources
CNX
$4.85B
$360K ﹤0.01%
+9,779
New +$350K
MAIN icon
623
Main Street Capital
MAIN
$5.07B
$358K ﹤0.01%
+5,925
New +$349K
GLXY
624
Galaxy Digital Inc
GLXY
$3.95B
$358K ﹤0.01%
+16,000
New +$496K
ATIIW
625
Archimedes Tech SPAC Partners II Co Warrant
ATIIW
$18.8M
$357K ﹤0.01%
650,000
– –
23 24
25
26 27

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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 Q4 2025 Portfolio in Review

As of Q4 2025, Magnetar Financial held 1,310 positions worth $10.2B, down 38% from $16.5B the previous quarter. Its ten largest holdings account for 56% of the portfolio.

Magnetar Financial withdrew a net $1.76B in Q4 2025, closing 414 positions and reducing 157 holdings. Its most notable exit was Merus, an estimated $98.4M position sold in full.

By sector, the portfolio is most concentrated in Technology at 54% of assets, down from 72% a quarter earlier, followed by Financials and Industrials.

Against the trend, Magnetar Financial opened a new position in Comerica worth $99.1M.

  • Magnetar Financial's largest Q4 2025 buy was Comerica: 1,139,969 shares worth $99.1M.
  • Magnetar Financial added most to Qorvo in Q4 2025, an estimated $47.5M increase.
  • Magnetar Financial's biggest Q4 2025 reduction was CoreWeave, cutting an estimated $1.4B.
  • Magnetar Financial fully exited Merus in Q4 2025, selling an estimated $98.4M.
  • Magnetar Financial's ten largest holdings make up 56% of its $10.2B portfolio in Q4 2025.
  • Magnetar Financial opened 462 new positions and closed 414 in Q4 2025.
  • Magnetar Financial's portfolio value fell 38% quarter-over-quarter to $10.2B.

Based on Magnetar Financial's 13F filing for Q4 2025, filed 17 Feb 2026.