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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
FSV icon
351
FirstService
FSV
$6.49B
$1.73M 0.02%
11,118
+1,495
+16% +$243K
ITT icon
352
ITT
ITT
$17.4B
$1.73M 0.02%
+9,962
New +$1.78M
POOL icon
353
Pool Corp
POOL
$6.75B
$1.73M 0.02%
+7,556
New +$1.97M
IBKR icon
354
Interactive Brokers
IBKR
$39.5B
$1.73M 0.02%
+26,874
New +$1.8M
HAL icon
355
Halliburton
HAL
$27B
$1.67M 0.02%
+58,991
New +$1.56M
CRUS icon
356
Cirrus Logic
CRUS
$6.56B
$1.65M 0.02%
+13,959
New +$1.72M
GTM
357
ZoomInfo Technologies
GTM
$976M
$1.65M 0.02%
+161,936
New +$1.67M
QBTS icon
358
D-Wave Quantum Inc. Common Stock
QBTS
$6.78B
$1.64M 0.02%
+62,787
New +$1.83M
PBF icon
359
PBF Energy
PBF
$8.5B
$1.63M 0.02%
+60,182
New +$1.93M
TFII icon
360
TFI International
TFII
$11.1B
$1.62M 0.02%
15,642
-66,220
-81% -$6.16M
AON icon
361
Aon
AON
$77B
$1.61M 0.02%
4,576
-17,520
-79% -$6.12M
CNH
362
CNH Industrial
CNH
$12.8B
$1.61M 0.02%
175,019
+111,446
+175% +$1.11M
WEC icon
363
WEC Energy
WEC
$35.7B
$1.61M 0.02%
15,269
+12,351
+423% +$1.37M
MRP
364
Millrose Properties Inc
MRP
$4.65B
$1.6M 0.02%
53,428
+36,406
+214% +$1.14M
TRV icon
365
Travelers Companies
TRV
$78.8B
$1.59M 0.02%
+5,497
New +$1.55M
ACM icon
366
Aecom
ACM
$9.34B
$1.57M 0.02%
+16,432
New +$1.93M
MGNI icon
367
Magnite
MGNI
$2.78B
$1.56M 0.02%
96,163
+80,974
+533% +$1.34M
ACIW icon
368
ACI Worldwide
ACIW
$5.85B
$1.54M 0.02%
+32,253
New +$1.56M
ROAD icon
369
Construction Partners
ROAD
$5.9B
$1.52M 0.01%
+14,048
New +$1.58M
FLEX icon
370
Flex
FLEX
$42.3B
$1.52M 0.01%
+25,119
New +$1.55M
ALAB icon
371
Astera Labs
ALAB
$54.6B
$1.51M 0.01%
9,053
-19,453
-68% -$3.25M
MEDP icon
372
Medpace
MEDP
$16.1B
$1.47M 0.01%
+2,618
New +$1.49M
BFAM icon
373
Bright Horizons
BFAM
$4B
$1.47M 0.01%
14,490
-61,538
-81% -$6.21M
ADP icon
374
Automatic Data Processing
ADP
$106B
$1.46M 0.01%
5,663
+201
+4% +$53.5K
EHC icon
375
Encompass Health
EHC
$11B
$1.45M 0.01%
13,623
+7,804
+134% +$905K

Similar funds

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.