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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
COR icon
476
Cencora
COR
$60.6B
$754K 0.01%
+2,233
New +$761K
NSIT icon
477
Insight Enterprises
NSIT
$3.89B
$742K 0.01%
9,106
-12,003
-57% -$1.13M
CHACR
478
DELISTED
Crane Harbor Acquistion Corp Rights
CHACR
$720K 0.01%
900,000
– –
MASI
479
DELISTED
Masimo
MASI
$709K 0.01%
+5,455
New +$781K
COHU icon
480
Cohu
COHU
$2.26B
$705K 0.01%
+30,283
New +$694K
QNST icon
481
QuinStreet
QNST
$890M
$687K 0.01%
47,786
+33,207
+228% +$479K
DOX icon
482
Amdocs
DOX
$5.92B
$684K 0.01%
8,491
-36,155
-81% -$2.91M
SYM icon
483
Symbotic
SYM
$5.48B
$682K 0.01%
+11,466
New +$757K
SEIC icon
484
SEI Investments
SEIC
$12.4B
$682K 0.01%
8,316
-43,359
-84% -$3.56M
GWRE icon
485
Guidewire Software
GWRE
$12.6B
$678K 0.01%
3,374
-5,393
-62% -$1.19M
LSPD icon
486
Lightspeed Commerce
LSPD
$1.31B
$678K 0.01%
+56,199
New +$666K
RBLX icon
487
Roblox
RBLX
$25.4B
$674K 0.01%
8,324
-12,619
-60% -$1.34M
IOT icon
488
Samsara
IOT
$21.7B
$672K 0.01%
18,963
+13,591
+253% +$526K
FCX icon
489
Freeport-McMoran
FCX
$90B
$664K 0.01%
13,078
-30,289
-70% -$1.31M
J icon
490
Jacobs Solutions
J
$15.9B
$659K 0.01%
+4,973
New +$729K
GLDD
491
DELISTED
Great Lakes Dredge & Dock
GLDD
$656K 0.01%
50,021
+19,586
+64% +$241K
FLUT icon
492
Flutter Entertainment
FLUT
$18.1B
$653K 0.01%
3,037
-5,730
-65% -$1.29M
KLIC icon
493
Kulicke & Soffa
KLIC
$4.67B
$653K 0.01%
+14,334
New +$606K
GRAL
494
GRAIL Inc
GRAL
$2.94B
$653K 0.01%
+7,630
New +$659K
VMI icon
495
Valmont Industries
VMI
$9.3B
$653K 0.01%
+1,623
New +$660K
TSCO icon
496
Tractor Supply
TSCO
$16.1B
$651K 0.01%
13,014
-36,723
-74% -$1.98M
KEX icon
497
Kirby Corp
KEX
$7.01B
$648K 0.01%
5,885
-8,616
-59% -$876K
SLNO
498
DELISTED
Soleno Therapeutics
SLNO
$646K 0.01%
+13,946
New +$765K
NOW icon
499
ServiceNow
NOW
$115B
$645K 0.01%
+4,212
New +$723K
TTWO icon
500
Take-Two Interactive
TTWO
$45.4B
$642K 0.01%
+2,509
New +$626K
18 19
20
21 22

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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.