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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
MP icon
876
MP Materials
MP
$10B
$209K ﹤0.01%
+4,324
New +$259K
CGON icon
877
CG Oncology
CGON
$6.59B
$208K ﹤0.01%
+3,076
New +$174K
CBRL icon
878
Cracker Barrel
CBRL
$1.24B
$208K ﹤0.01%
+7,394
New +$225K
WD icon
879
Walker & Dunlop
WD
$1.42B
$207K ﹤0.01%
4,653
-5,344
-53% -$301K
ASML icon
880
ASML
ASML
$651B
$205K ﹤0.01%
+155
New +$212K
XRPNW
881
Armada Acquisition Corp II Warrant
XRPNW
$11.6M
$205K ﹤0.01%
341,200
– –
NIO icon
882
NIO
NIO
$10.9B
$204K ﹤0.01%
33,748
+23,240
+221% +$117K
PFGC icon
883
Performance Food Group
PFGC
$15.8B
$203K ﹤0.01%
2,375
-2,048
-46% -$187K
GME icon
884
GameStop
GME
$8.02B
$203K ﹤0.01%
+8,828
New +$205K
F icon
885
Ford
F
$55.3B
$203K ﹤0.01%
+18,103
New +$238K
ABX
886
Abacus Global Management
ABX
$952M
$203K ﹤0.01%
+25,716
New +$223K
IRHOR
887
Iron Horse Acquisitions Corp II Rights
IRHOR
$203K ﹤0.01%
+1,500,000
New +$212K
GIWWR
888
GigCapital8 Rights
GIWWR
$201K ﹤0.01%
+695,261
New +$205K
AGIO icon
889
Agios Pharmaceuticals
AGIO
$1.99B
$201K ﹤0.01%
+5,936
New +$168K
BKD icon
890
Brookdale Senior Living
BKD
$2.8B
$201K ﹤0.01%
+14,679
New +$206K
GFF icon
891
Griffon
GFF
$4.48B
$200K ﹤0.01%
+2,752
New +$223K
HVIIR
892
Hennessy Capital Investment Corp VII Rights
HVIIR
$200K ﹤0.01%
700,000
– –
WT icon
893
WisdomTree
WT
$3.7B
$197K ﹤0.01%
+13,538
New +$209K
RIG icon
894
Transocean
RIG
$6.48B
$196K ﹤0.01%
29,567
+9,533
+48% +$53.7K
CCXIW
895
Churchill Capital Corp XI Warrants
CCXIW
$27.8M
$196K ﹤0.01%
+270,000
New +$214K
TCOM icon
896
Trip.com Group
TCOM
$28.6B
$195K ﹤0.01%
3,966
+3,042
+329% +$177K
VISN
897
Vistance Networks Inc
VISN
$1.4B
$193K ﹤0.01%
+10,582
New +$193K
USNA icon
898
Usana Health Sciences
USNA
$259M
$192K ﹤0.01%
+11,015
New +$219K
SVRA icon
899
Savara
SVRA
$1.08B
$189K ﹤0.01%
+34,552
New +$192K
SORNW
900
Soren Acquisition Corp Warrant
SORNW
$2.53M
$187K ﹤0.01%
+583,331
New +$178K
34 35
36
37 38

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LCAM
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IIM
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RCMNY
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MPI
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RCMF
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SIM
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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.