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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
OGS icon
1126
ONE Gas
OGS
$5.01B
– –
-5,687
Closed -$460K
OMCL icon
1127
Omnicell
OMCL
$1.88B
– –
-7,559
Closed -$230K
ONTO icon
1128
Onto Innovation
ONTO
$10.9B
– –
-6,552
Closed -$847K
OOMA icon
1129
Ooma
OOMA
$601M
– –
-73,604
Closed -$883K
OPCH icon
1130
Option Care Health
OPCH
$3.58B
– –
-50,613
Closed -$1.41M
OSBC icon
1131
Old Second Bancorp
OSBC
$1.29B
– –
-23,901
Closed -$413K
OSK icon
1132
Oshkosh
OSK
$8.82B
– –
-45,344
Closed -$5.88M
OXM icon
1133
Oxford Industries
OXM
$581M
– –
-18,849
Closed -$764K
PAAS icon
1134
Pan American Silver
PAAS
$17.9B
– –
-7,414
Closed -$287K
PAG icon
1135
Penske Automotive Group
PAG
$14.7B
– –
-4,877
Closed -$848K
PAHC icon
1136
Phibro Animal Health
PAHC
$1.5B
– –
-8,462
Closed -$342K
PAR icon
1137
PAR Technology
PAR
$716M
– –
-15,542
Closed -$615K
PATK icon
1138
Patrick Industries
PATK
$2.87B
– –
-20,630
Closed -$2.13M
PAYX icon
1139
Paychex
PAYX
$43.4B
– –
-4,929
Closed -$625K
PB icon
1140
Prosperity Bancshares
PB
$8.9B
– –
-32,830
Closed -$2.18M
PCG icon
1141
PG&E
PCG
$39B
– –
-250,987
Closed -$3.78M
PCTY icon
1142
Paylocity
PCTY
$7.75B
– –
-47,286
Closed -$7.53M
PEN icon
1143
Penumbra
PEN
$12.6B
– –
-5,163
Closed -$1.31M
PEP icon
1144
PepsiCo
PEP
$196B
– –
-8,968
Closed -$1.26M
PGR icon
1145
Progressive
PGR
$128B
– –
-7,056
Closed -$1.74M
PI icon
1146
Impinj
PI
$4.24B
– –
-1,974
Closed -$357K
PINS icon
1147
Pinterest
PINS
$13.7B
– –
-24,740
Closed -$796K
PLMR icon
1148
Palomar
PLMR
$3.79B
– –
-15,854
Closed -$1.85M
PLTR icon
1149
Palantir
PLTR
$295B
– –
-42,737
Closed -$7.8M
PNFP icon
1150
Pinnacle Financial Partners Inc
PNFP
$15.8B
– –
-38,379
Closed -$3.6M
44 45
46
47 48

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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 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.