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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
HSIC icon
451
Henry Schein
HSIC
$9.74B
$1.09M 0.01%
+14,958
New +$1.16M
MAA icon
452
Mid-America Apartment Communities
MAA
$15.6B
$1.09M 0.01%
8,917
+6,905
+343% +$911K
UUUU icon
453
Energy Fuels
UUUU
$2.82B
$1.07M 0.01%
+58,542
New +$1.21M
HOOD icon
454
Robinhood
HOOD
$85.2B
$1.07M 0.01%
+16,377
New +$1.44M
SFD
455
Smithfield Foods
SFD
$10.3B
$1.07M 0.01%
38,144
-22,550
-37% -$542K
JEF icon
456
Jefferies Financial Group
JEF
$12.9B
$1.06M 0.01%
25,633
+5,706
+29% +$296K
MSIF
457
MSC Income Fund Inc
MSIF
$495M
$1.06M 0.01%
+86,742
New +$1.12M
IVZ icon
458
Invesco
IVZ
$13.3B
$1.05M 0.01%
+43,216
New +$1.13M
XMTR icon
459
Xometry
XMTR
$4.77B
$1.04M 0.01%
+25,459
New +$1.35M
TER icon
460
Teradyne
TER
$54.8B
$1.03M 0.01%
+3,742
New +$1.04M
UNM icon
461
Unum
UNM
$13.8B
$1.03M 0.01%
14,159
+6,454
+84% +$482K
CDW icon
462
CDW
CDW
$17.1B
$1.03M 0.01%
8,723
-13,149
-60% -$1.66M
AME icon
463
Ametek
AME
$55.5B
$1.03M 0.01%
+4,926
New +$1.09M
GTERA
464
Globa Terra Acquisition Corp
GTERA
$1.03M 0.01%
100,000
– –
NOW icon
465
ServiceNow
NOW
$102B
$1.02M 0.01%
9,706
+5,494
+130% +$646K
CI icon
466
Cigna
CI
$76.6B
$1.01M 0.01%
+3,931
New +$1.09M
ONCH
467
1RT Acquisition Corp
ONCH
$223M
$1.01M 0.01%
100,000
– –
AMRX icon
468
Amneal Pharmaceuticals
AMRX
$5.72B
$1.01M 0.01%
81,001
+70,799
+694% +$951K
AUPH icon
469
Aurinia Pharmaceuticals
AUPH
$1.97B
$1M 0.01%
67,626
+52,141
+337% +$762K
LNC icon
470
Lincoln National
LNC
$7.91B
$998K 0.01%
+28,108
New +$1.08M
BOOT icon
471
Boot Barn
BOOT
$4.55B
$997K 0.01%
6,814
+2,165
+47% +$393K
TDC icon
472
Teradata
TDC
$2.68B
$995K 0.01%
38,832
-43,212
-53% -$1.26M
TENB icon
473
Tenable Holdings
TENB
$3.56B
$995K 0.01%
58,836
-37,077
-39% -$778K
TIGO icon
474
Millicom
TIGO
$15.8B
$986K 0.01%
13,155
+3,338
+34% +$219K
NE icon
475
Noble Corp
NE
$6.9B
$985K 0.01%
+20,071
New +$820K
17 18
19
20 21

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HI
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MPI
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URS
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FPAS
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CCM
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OAM
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FCM
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HL
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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.