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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
EQX icon
326
Equinox Gold
EQX
$7.32B
$1.88M 0.02%
+129,873
New +$1.98M
AFG icon
327
American Financial Group
AFG
$11.9B
$1.87M 0.02%
14,663
+11,408
+350% +$1.48M
CVS icon
328
CVS Health
CVS
$137B
$1.87M 0.02%
+26,670
New +$2.05M
AZN icon
329
AstraZeneca
AZN
$263B
$1.86M 0.02%
+9,449
New +$1.82M
DOLE icon
330
Dole
DOLE
$1.35B
$1.84M 0.02%
+128,869
New +$1.95M
KYIV
331
Kyivstar Group
KYIV
$3.09B
$1.81M 0.02%
+193,950
New +$2.3M
DG icon
332
Dollar General
DG
$25.9B
$1.77M 0.02%
+15,029
New +$2.14M
IDT icon
333
IDT Corp
IDT
$1.6B
$1.76M 0.02%
35,902
+19,228
+115% +$951K
AVTR icon
334
Avantor
AVTR
$7.81B
$1.76M 0.02%
+224,084
New +$2.2M
AIIA
335
AI Infrastructure Acquisition Corp
AIIA
$197M
$1.76M 0.02%
175,000
– –
ITRN icon
336
Ituran Location and Control
ITRN
$1.08B
$1.75M 0.02%
35,739
+24,480
+217% +$1.15M
PBF icon
337
PBF Energy
PBF
$7.29B
$1.75M 0.02%
36,702
-23,480
-39% -$880K
MAIN icon
338
Main Street Capital
MAIN
$4.97B
$1.75M 0.02%
33,000
+27,075
+457% +$1.6M
DOX icon
339
Amdocs
DOX
$5.53B
$1.74M 0.02%
26,677
+18,186
+214% +$1.33M
RDNT icon
340
RadNet
RDNT
$4.84B
$1.72M 0.02%
30,849
+19,755
+178% +$1.35M
TEAM icon
341
Atlassian
TEAM
$22B
$1.72M 0.02%
+25,230
New +$2.49M
TPG icon
342
TPG
TPG
$6.87B
$1.72M 0.02%
+42,416
New +$2.18M
ARW icon
343
Arrow Electronics
ARW
$10.9B
$1.71M 0.02%
+11,909
New +$1.63M
MC icon
344
Moelis & Co
MC
$4.98B
$1.68M 0.02%
29,561
-6,955
-19% -$452K
ESS icon
345
Essex Property Trust
ESS
$18.9B
$1.68M 0.02%
6,906
+2,321
+51% +$585K
BILL icon
346
BILL Holdings
BILL
$4.33B
$1.67M 0.02%
+43,572
New +$1.95M
SNPS icon
347
Synopsys
SNPS
$71.5B
$1.67M 0.02%
4,346
-4,277
-50% -$1.93M
DT icon
348
Dynatrace
DT
$12.1B
$1.66M 0.02%
45,001
-55,604
-55% -$2.13M
GMED icon
349
Globus Medical
GMED
$10.4B
$1.66M 0.02%
19,292
+16,454
+580% +$1.48M
MOG.A icon
350
Moog Inc Class A
MOG.A
$13B
$1.65M 0.02%
5,644
-119
-2% -$36.4K
12 13
14
15 16

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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
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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.