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MF

Magnetar Financial Portfolio holdings

AUM $11B
1-Year Est. Return 3.37%
This Fund
S&P 500
This Quarter Est. Return
+7.2%
1 Year Est. Return
-3.37%
3 Year Est. Return
+334.16%
5 Year Est. Return
+550.58%
10 Year Est. Return
+5,328.36%
AUM
$9.84B
AUM Growth
-$362M
Cap. Flow
-$294M
Cap. Flow %
-2.99%
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
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 Miscellaneous 8.46%
4 Industrials 4.76%
5 Healthcare 4.19%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
DEC
1201
Diversified Energy Company
DEC
$1.07B
– –
-22,222
Closed -$322K
DEI icon
1202
Douglas Emmett
DEI
$1.99B
– –
-213,409
Closed -$2.35M
DOC icon
1203
Healthpeak Properties
DOC
$14.6B
– –
-17,197
Closed -$277K
DRH icon
1204
Diamondrock Hospitality Co
DRH
$2.6B
– –
-22,849
Closed -$205K
DRS icon
1205
Leonardo DRS
DRS
$10.4B
– –
-85,124
Closed -$2.9M
DUOL icon
1206
Duolingo
DUOL
$6.68B
– –
-5,140
Closed -$902K
DVAX
1207
DELISTED
Dynavax Technologies
DVAX
– –
-778,013
Closed -$12M
DXC icon
1208
DXC Technology
DXC
$1.76B
– –
-39,664
Closed -$581K
EFX icon
1209
Equifax
EFX
$22.4B
– –
-4,105
Closed -$891K
EHC icon
1210
Encompass Health
EHC
$11.8B
– –
-13,623
Closed -$1.45M
VMRK
1211
Vivmark Residential
VMRK
$26.1B
– –
-3,485
Closed -$220K
ESE icon
1212
ESCO Technologies
ESE
$7.29B
– –
-20,181
Closed -$3.94M
ESEA icon
1213
Euroseas
ESEA
$539M
– –
-3,731
Closed -$204K
ESI icon
1214
Element Solutions
ESI
$8.9B
– –
-32,334
Closed -$808K
ESLT icon
1215
Elbit Systems
ESLT
$33.7B
– –
-530
Closed -$306K
ETN icon
1216
Eaton
ETN
$162B
– –
-1,036
Closed -$330K
EVGO icon
1217
EVgo
EVGO
$204M
– –
-13,129
Closed -$38.2K
EVRG icon
1218
Evergy
EVRG
$18.8B
– –
-5,821
Closed -$422K
EXAS
1219
DELISTED
Exact Sciences
EXAS
– –
-708,272
Closed -$71.9M
EXC icon
1220
Exelon
EXC
$45.3B
– –
-6,542
Closed -$285K
EYE icon
1221
National Vision
EYE
$1.41B
– –
-9,100
Closed -$235K
FBIN icon
1222
Fortune Brands Innovations
FBIN
$5.41B
– –
-4,420
Closed -$221K
FCFS icon
1223
FirstCash
FCFS
$9.72B
– –
-3,203
Closed -$510K
FCX icon
1224
Freeport-McMoran
FCX
$113B
– –
-13,078
Closed -$664K
FDS icon
1225
Factset
FDS
$10.8B
– –
-10,694
Closed -$3.1M
47 48
49
50 51

Similar funds

BEI
Benjamin Edwards Inc Clayton, Missouri $11B AUM 18.22% 1-Year Est. Return
LCAM
London & Capital Asset Management London, United Kingdom $10.9B AUM 39.88% 1-Year Est. Return
IIM
INTECH Investment Management West Palm Beach, Florida $10.9B AUM 37.22% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
MPI
Mairs & Power Inc St Paul, Minnesota $10.9B AUM 27.5% 1-Year Est. Return
RCMF
RK Capital Management (Florida) Weston, Florida $10.8B AUM 53.02% 1-Year Est. Return
SIM
SRS Investment Management New York $10.8B AUM 34.05% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 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's Q1 2026 filing shows 604 new, 145 increased, 173 reduced and 363 closed positions. Its largest new stake was Penumbra: 251,433 shares worth $82.6M. The largest sale was Comerica, an estimated $99.1M.

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

  • 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.