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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
NGS icon
726
Natural Gas Services Group
NGS
$470M
$339K ﹤0.01%
+8,980
New +$328K
AHR icon
727
American Healthcare REIT
AHR
$11.1B
$338K ﹤0.01%
7,169
-9,014
-56% -$447K
TVACW
728
Texas Ventures Acquisition III Corp Warrants
TVACW
$6.47M
$336K ﹤0.01%
700,000
– –
BRCB
729
Black Rock Coffee Bar Inc
BRCB
$170M
$336K ﹤0.01%
+25,970
New +$421K
HCKT icon
730
Hackett Group
HCKT
$245M
$334K ﹤0.01%
+25,680
New +$411K
KROS icon
731
Keros Therapeutics
KROS
$199M
$332K ﹤0.01%
+30,085
New +$465K
BLUWW
732
Blue Water Acquisition Corp III Warrant
BLUWW
$332K ﹤0.01%
737,000
– –
AII
733
American Integrity Insurance
AII
$366M
$332K ﹤0.01%
+17,201
New +$328K
ATIIW
734
Archimedes Tech SPAC Partners II Co Warrant
ATIIW
$21.3M
$332K ﹤0.01%
650,000
– –
THG icon
735
Hanover Insurance
THG
$7.63B
$330K ﹤0.01%
+1,901
New +$331K
ENOV icon
736
Enovis
ENOV
$1.56B
$327K ﹤0.01%
+14,389
New +$340K
CMCO icon
737
Columbus McKinnon
CMCO
$465M
$327K ﹤0.01%
22,501
+8,492
+61% +$158K
LFUS icon
738
Littelfuse
LFUS
$10.2B
$325K ﹤0.01%
+959
New +$311K
ORRF icon
739
Orrstown Financial Services
ORRF
$836M
$325K ﹤0.01%
+9,005
New +$326K
FWONK icon
740
Liberty Media Series C
FWONK
$24.3B
$323K ﹤0.01%
+3,795
New +$332K
NEO icon
741
NeoGenomics
NEO
$1.81B
$322K ﹤0.01%
+43,460
New +$457K
DK icon
742
Delek US
DK
$3.87B
$321K ﹤0.01%
+7,132
New +$255K
MYE icon
743
Myers Industries
MYE
$1.18B
$318K ﹤0.01%
+15,036
New +$316K
PRGS icon
744
Progress Software
PRGS
$1.55B
$317K ﹤0.01%
+12,367
New +$473K
NAVI icon
745
Navient
NAVI
$774M
$317K ﹤0.01%
+38,768
New +$384K
HE icon
746
Hawaiian Electric Industries
HE
$2.33B
$316K ﹤0.01%
+21,293
New +$322K
SOUL.RT
747
Soulpower Acquisition Corp Rights
SOUL.RT
$315K ﹤0.01%
1,750,000
– –
NCNO icon
748
nCino
NCNO
$1.81B
$312K ﹤0.01%
20,806
-124,651
-86% -$2.34M
HRI icon
749
Herc Holdings
HRI
$5.43B
$312K ﹤0.01%
+3,130
New +$447K
COHU icon
750
Cohu
COHU
$2.39B
$311K ﹤0.01%
10,172
-20,111
-66% -$590K
28 29
30
31 32

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.