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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
JENA.RT
951
Jena Acquisition Corp II Rights
JENA.RT
$134K ﹤0.01%
900,000
– –
TLNCW
952
Talon Capital Corp Warrants
TLNCW
$133K ﹤0.01%
+266,664
New +$120K
DYNCW
953
Dynamix Corp Warrant
DYNCW
$1.09M
$133K ﹤0.01%
175,000
– –
BCARW
954
D. Boral ARC Acquisition I Corp Warrant
BCARW
$6.73M
$133K ﹤0.01%
237,500
– –
ITHAW
955
ITHAX Acquisition Corp III Warrants
ITHAW
$2.07M
$132K ﹤0.01%
+625,000
New +$139K
BLZRW
956
Trailblazer Acquisition Corp Warrant
BLZRW
$132K ﹤0.01%
333,329
– –
WLTH
957
Wealthfront Corp
WLTH
$1.38B
$131K ﹤0.01%
+14,185
New +$130K
MLAAW
958
Mountain Lake Acquisition Corp II Warrants
MLAAW
$3.78M
$130K ﹤0.01%
+1,000,000
New +$174K
BUR icon
959
Burford Capital
BUR
$957M
$130K ﹤0.01%
+28,708
New +$251K
EVOXW
960
Evolution Global Acquisition Corp Warrants
EVOXW
$130K ﹤0.01%
+350,000
New +$166K
WENNW
961
Wen Acquisition Corp Warrant
WENNW
$4.35M
$129K ﹤0.01%
375,000
– –
TK icon
962
Teekay
TK
$1.14B
$129K ﹤0.01%
+10,576
New +$117K
OBAWW
963
Oxley Bridge Acquisition Ltd Warrants
OBAWW
$128K ﹤0.01%
625,000
– –
BARK icon
964
BARK
BARK
$98.6M
$128K ﹤0.01%
+12,500
New +$192K
LWACW
965
LightWave Acquisition Corp Warrants
LWACW
$2.47M
$128K ﹤0.01%
511,400
– –
GTENW
966
Gores Holdings X Warrants
GTENW
$128K ﹤0.01%
255,681
– –
SCPQW
967
Social Commerce Partners Warrant
SCPQW
$127K ﹤0.01%
+408,974
New +$138K
MBVIW
968
M3-Brigade Acquisition VI Corp Warrant
MBVIW
$4.03M
$127K ﹤0.01%
+366,665
New +$147K
STGW icon
969
Stagwell
STGW
$2.14B
$126K ﹤0.01%
+20,083
New +$112K
MESHW
970
Meshflow Acquisition Corp Warrants
MESHW
$3.04M
$125K ﹤0.01%
+416,664
New +$127K
PLMKW
971
Plum Acquisition Corp IV Warrants
PLMKW
$122K ﹤0.01%
250,000
– –
LEGO.WS
972
Legato Merger Corp IV Warrants
LEGO.WS
$122K ﹤0.01%
+366,665
New +$121K
AEAQW
973
Activate Energy Acquisition Corp Warrant
AEAQW
$3.86M
$122K ﹤0.01%
+400,000
New +$116K
ALOVW
974
Aldabra 4 Liquidity Opportunity Vehicle Warrants
ALOVW
$120K ﹤0.01%
+400,000
New +$147K
ARDX icon
975
Ardelyx
ARDX
$984M
$119K ﹤0.01%
+19,806
New +$131K
37 38
39
40 41

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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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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.