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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
+7.2%
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
$9.84B
AUM Growth
-$362M
Cap. Flow
-$305M
Cap. Flow %
-3.09%
Top 10 Hldgs %
55.7%
Holding
1,493
New
604
Increased
145
Reduced
173
Closed
363

Top Buys

Rank Stock Value
1
PEN icon
Penumbra
PEN
+$85.1M
2
WBS icon
Webster Financial
WBS
+$77.3M
3
AAUC
Allied Gold Corp
AAUC
+$76.1M
4
MASI
Masimo
MASI
+$66.2M
5
MCHPP
Microchip Technology Inc 7.50% Series A Preferred Stock
MCHPP
+$65.3M

Top Sells

Rank Stock Value
1
CMA
Comerica
CMA
+$99.1M
2
REVG
REV Group
REVG
+$97.8M
3
FYBR
Frontier Communications
FYBR
+$89.2M
4
CYBR
CyberArk
CYBR
+$89M
5
TGNA
TEGNA Inc
TGNA
+$84.5M

Sector Composition

Rank Sector Weight
1 Technology 53.03%
2 Financials 19.67%
3 Industrials 4.76%
4 Healthcare 4.19%
5 Materials 2.11%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LBTYA icon
351
Liberty Global Class A
LBTYA
$3.31B
$1.65M 0.02%
+136,218
New +$1.59M
WHLRP
352
Wheeler Real Estate Investment Trust Preferred Stock
WHLRP
$8.73M
$1.63M 0.02%
218,512
– –
HL icon
353
Hecla Mining
HL
$10.2B
$1.62M 0.02%
+87,135
New +$1.96M
SOLS
354
Solstice Advanced Materials
SOLS
$9.62B
$1.62M 0.02%
+21,277
New +$1.46M
ADI icon
355
Analog Devices
ADI
$181B
$1.62M 0.02%
+5,337
New +$1.7M
TILE icon
356
Interface
TILE
$1.91B
$1.62M 0.02%
64,849
+54,076
+502% +$1.62M
UNH icon
357
UnitedHealth
UNH
$382B
$1.61M 0.02%
6,159
+4,324
+236% +$1.29M
GM icon
358
General Motors
GM
$74.7B
$1.61M 0.02%
+22,092
New +$1.76M
HBM icon
359
Hudbay
HBM
$9.92B
$1.58M 0.02%
+75,741
New +$1.77M
DLB icon
360
Dolby
DLB
$4.72B
$1.57M 0.02%
26,142
+12,638
+94% +$799K
BMO icon
361
Bank of Montreal
BMO
$125B
$1.54M 0.02%
11,373
-18,212
-62% -$2.53M
POST icon
362
Post Holdings
POST
$4.12B
$1.52M 0.02%
15,424
+13,338
+639% +$1.36M
DLTR icon
363
Dollar Tree
DLTR
$23.1B
$1.52M 0.02%
14,393
-5,217
-27% -$637K
MIDD icon
364
Middleby
MIDD
$6.05B
$1.52M 0.02%
+11,451
New +$1.74M
CEPS
365
Cantor Equity Partners VI
CEPS
$152M
$1.52M 0.02%
+150,000
New +$1.52M
CXT icon
366
Crane NXT
CXT
$3.04B
$1.51M 0.02%
+37,315
New +$1.81M
BAC icon
367
Bank of America
BAC
$435B
$1.51M 0.02%
+31,900
New +$1.65M
ATKR icon
368
Atkore
ATKR
$2.59B
$1.5M 0.02%
25,460
+6,223
+32% +$405K
TEL icon
369
TE Connectivity
TEL
$58.8B
$1.5M 0.02%
7,540
-15,214
-67% -$3.36M
PLOW icon
370
Douglas Dynamics
PLOW
$1.07B
$1.5M 0.02%
35,553
+26,920
+312% +$1.09M
KBR icon
371
KBR
KBR
$4.68B
$1.49M 0.02%
+40,539
New +$1.67M
PRM icon
372
Perimeter Solutions
PRM
$5.5B
$1.49M 0.02%
+60,922
New +$1.55M
ICFI icon
373
ICF International
ICFI
$1.44B
$1.49M 0.02%
+22,785
New +$1.85M
TTWO icon
374
Take-Two Interactive
TTWO
$43B
$1.48M 0.02%
7,669
+5,160
+206% +$1.12M
KRC icon
375
Kilroy Realty
KRC
$4.58B
$1.48M 0.02%
52,461
-9,748
-16% -$320K
13 14
15
16 17

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HI
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MPI
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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
OAM
OP Asset Management Helsinki $9.95B AUM 30.22% 1-Year Est. Return
FCM
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HL
Harding Loevner Bridgewater, New Jersey $9.72B AUM 22.38% 1-Year Est. Return

Magnetar Financial's Q1 2026 Portfolio in Review

As of Q1 2026, Magnetar Financial held 1,493 positions worth $9.84B, down 3.5% from $10.2B the previous quarter. Its ten largest holdings account for 56% of the portfolio.

Magnetar Financial withdrew a net $305M in Q1 2026, closing 363 positions and reducing 173 holdings. Its most notable exit was Comerica, an estimated $99.1M position sold in full.

By sector, the portfolio is most concentrated in Technology at 53% of assets, down from 54% a quarter earlier, followed by Financials and Industrials.

Against the trend, Magnetar Financial opened a new position in Penumbra worth $82.6M.

  • Magnetar Financial's largest Q1 2026 buy was Penumbra: 251,433 shares worth $82.6M.
  • Magnetar Financial added most to Webster Financial in Q1 2026, an estimated $77.3M increase.
  • Magnetar Financial's biggest Q1 2026 reduction was Shift4 Payments Inc 6.00% Series A Preferred Stock, cutting an estimated $37.3M.
  • Magnetar Financial fully exited Comerica in Q1 2026, selling an estimated $99.1M.
  • Magnetar Financial's ten largest holdings make up 56% of its $9.84B portfolio in Q1 2026.
  • Magnetar Financial opened 604 new positions and closed 363 in Q1 2026.
  • Magnetar Financial's portfolio value fell 3.5% quarter-over-quarter to $9.84B.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.