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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
LSPD icon
1276
Lightspeed Commerce
LSPD
$1.3B
– –
-56,199
Closed -$678K
LYG icon
1277
Lloyds Banking Group
LYG
$87.4B
– –
-23,645
Closed -$125K
LZ icon
1278
LegalZoom.com
LZ
$1.23B
– –
-47,838
Closed -$475K
MBLY icon
1279
Mobileye
MBLY
$6.78B
– –
-17,051
Closed -$178K
MDLZ icon
1280
Mondelez International
MDLZ
$77.7B
– –
-38,090
Closed -$2.05M
MDXG icon
1281
MiMedx Group
MDXG
$626M
– –
-45,322
Closed -$307K
MFA
1282
MFA Financial
MFA
$929M
– –
-22,100
Closed -$206K
MGNI icon
1283
Magnite
MGNI
$2.65B
– –
-96,163
Closed -$1.56M
MLM icon
1284
Martin Marietta Materials
MLM
$33.6B
– –
-3,784
Closed -$2.36M
MRSH
1285
Marsh
MRSH
$86.3B
– –
-24,579
Closed -$4.56M
MNDY icon
1286
monday.com
MNDY
$3.27B
– –
-2,415
Closed -$356K
MNKD icon
1287
MannKind Corp
MNKD
$1.28B
– –
-37,398
Closed -$212K
MOFG
1288
DELISTED
MidWestOne Financial Group
MOFG
– –
-563,016
Closed -$21.7M
MOS icon
1289
The Mosaic Company
MOS
$7.09B
– –
-53,590
Closed -$1.29M
MQ icon
1290
Marqeta
MQ
$1.8B
– –
-4,485
Closed -$85.2K
MRVL icon
1291
Marvell Technology
MRVL
$174B
– –
-4,396
Closed -$374K
MTG icon
1292
MGIC Investment
MTG
$6.27B
– –
-35,320
Closed -$1.03M
MTN icon
1293
Vail Resorts
MTN
$5.19B
– –
-3,527
Closed -$468K
MU icon
1294
Micron Technology
MU
$1.04T
– –
-10,555
Closed -$3.01M
NABL icon
1295
N-able
NABL
$769M
– –
-71,006
Closed -$531K
NBIX icon
1296
Neurocrine Biosciences
NBIX
$17.7B
– –
-29,192
Closed -$4.14M
NEXT icon
1297
NextDecade
NEXT
$1.85B
– –
-37,283
Closed -$196K
NFG icon
1298
National Fuel Gas
NFG
$7.84B
– –
-37,476
Closed -$3M
NGD
1299
DELISTED
New Gold Inc
NGD
– –
-5,064,109
Closed -$44.1M
NJR icon
1300
New Jersey Resources
NJR
$6.06B
– –
-9,199
Closed -$424K
50 51
52
53 54

Similar funds

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
OAM
OP Asset Management Helsinki $9.95B AUM 30.22% 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

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.