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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
KNSA icon
501
Kiniksa Pharmaceuticals
KNSA
$5.82B
$631K 0.01%
+15,295
New +$614K
TVACW
502
Texas Ventures Acquisition III Corp Warrants
TVACW
$6.06M
$630K 0.01%
700,000
– –
CALX icon
503
Calix
CALX
$2.25B
$627K 0.01%
11,844
+3,804
+47% +$222K
CEPO
504
Cantor Equity Partners I
CEPO
$272M
$625K 0.01%
60,000
– –
ALLT icon
505
Allot
ALLT
$374M
$622K 0.01%
63,278
+40,874
+182% +$392K
NSSC icon
506
Napco Security Technologies
NSSC
$1.33B
$621K 0.01%
+14,894
New +$627K
ON icon
507
ON Semiconductor
ON
$32.8B
$619K 0.01%
+11,424
New +$586K
GSL icon
508
Global Ship Lease
GSL
$1.59B
$613K 0.01%
+17,487
New +$568K
LRCX icon
509
Lam Research
LRCX
$382B
$612K 0.01%
3,575
-2,420
-40% -$376K
NRDS icon
510
NerdWallet
NRDS
$591M
$612K 0.01%
+45,156
New +$591K
ONON icon
511
On Holding
ONON
$12.2B
$607K 0.01%
+13,053
New +$562K
UNH icon
512
UnitedHealth
UNH
$381B
$606K 0.01%
+1,835
New +$622K
AMTM
513
Amentum Holdings
AMTM
$5.41B
$605K 0.01%
+20,875
New +$534K
AGO icon
514
Assured Guaranty
AGO
$3.69B
$604K 0.01%
+6,719
New +$579K
VICI icon
515
VICI Properties
VICI
$28.7B
$603K 0.01%
+21,431
New +$637K
WD icon
516
Walker & Dunlop
WD
$1.69B
$601K 0.01%
+9,997
New +$710K
UNM icon
517
Unum
UNM
$13.6B
$597K 0.01%
+7,705
New +$589K
MSFT icon
518
Microsoft
MSFT
$3.43T
$595K 0.01%
1,231
-1,001
-45% -$502K
SSD icon
519
Simpson Manufacturing
SSD
$7.74B
$588K 0.01%
3,640
-16,036
-82% -$2.71M
ALRM icon
520
Alarm.com
ALRM
$2.7B
$584K 0.01%
11,438
+5,904
+107% +$301K
DXC icon
521
DXC Technology
DXC
$1.86B
$581K 0.01%
+39,664
New +$545K
PMTRW
522
Perimeter Acquisition Corp I Warrant
PMTRW
$10.8M
$578K 0.01%
750,000
– –
LYFT icon
523
Lyft
LYFT
$5.91B
$572K 0.01%
+29,545
New +$614K
FWRG icon
524
First Watch Restaurant Group
FWRG
$798M
$567K 0.01%
37,609
+18,730
+99% +$316K
DY icon
525
Dycom Industries
DY
$12.1B
$567K 0.01%
+1,677
New +$529K
19 20
21
22 23

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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 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.