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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
RVLV icon
751
Revolve Group
RVLV
$1.63B
$310K ﹤0.01%
+13,718
New +$360K
HCI icon
752
HCI Group
HCI
$2.32B
$310K ﹤0.01%
+2,005
New +$328K
TACHW
753
Titan Acquisition Corp Warrants
TACHW
$7.04M
$308K ﹤0.01%
1,100,000
– –
FROG icon
754
JFrog
FROG
$12.2B
$305K ﹤0.01%
6,495
-861
-12% -$42.3K
SIMAW
755
SIM Acquisition Corp I Warrant
SIMAW
$304K ﹤0.01%
972,598
– –
ALDFW
756
Aldel Financial II Inc Warrants
ALDFW
$304K ﹤0.01%
949,549
– –
MOV icon
757
Movado Group
MOV
$769M
$302K ﹤0.01%
+12,356
New +$292K
NVEC icon
758
NVE Corp
NVEC
$488M
$287K ﹤0.01%
+4,377
New +$295K
ROK icon
759
Rockwell Automation
ROK
$47.8B
$286K ﹤0.01%
820
-67
-8% -$26.4K
PAR icon
760
PAR Technology
PAR
$792M
$286K ﹤0.01%
+21,421
New +$503K
ENVA icon
761
Enova International
ENVA
$5.79B
$283K ﹤0.01%
+2,080
New +$310K
MSFT icon
762
Microsoft
MSFT
$3.81T
$282K ﹤0.01%
786
-445
-36% -$186K
NHICW
763
NewHold Investment Corp III Warrants
NHICW
$16.2M
$281K ﹤0.01%
625,000
– –
INDV icon
764
Indivior Pharmaceuticals
INDV
$4.12B
$279K ﹤0.01%
9,153
+562
+7% +$18.6K
SVACW
765
DELISTED
Spring Valley Acquisition Corp III Warrant
SVACW
$279K ﹤0.01%
268,080
– –
GGG icon
766
Graco
GGG
$12.8B
$278K ﹤0.01%
+3,288
New +$291K
BWA icon
767
BorgWarner
BWA
$13.1B
$278K ﹤0.01%
+5,294
New +$279K
VLOSW
768
Velos Acquisition I Corp Warrant
VLOSW
$278K ﹤0.01%
1,030,100
-7,147
-0.7% -$4.86K
FFIV icon
769
F5
FFIV
$22.3B
$278K ﹤0.01%
+993
New +$275K
OOMA icon
770
Ooma
OOMA
$629M
$275K ﹤0.01%
+18,883
New +$237K
JBL icon
771
Jabil
JBL
$31.6B
$275K ﹤0.01%
1,110
-14,022
-93% -$3.53M
MLR icon
772
Miller Industries
MLR
$644M
$274K ﹤0.01%
+6,006
New +$256K
IEAGR
773
Infinite Eagle Acquisition Corp Rights
IEAGR
$270K ﹤0.01%
+1,500,000
New +$282K
TBPH icon
774
Theravance Biopharma
TBPH
$885M
$268K ﹤0.01%
16,503
-474
-3% -$8.39K
UNFI icon
775
United Natural Foods
UNFI
$2.77B
$265K ﹤0.01%
+5,876
New +$225K
29 30
31
32 33

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LCAM
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IIM
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RCMNY
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MPI
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ACA
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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'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.