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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
+259.01%
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
$20.7B
AUM Growth
+$13B
Cap. Flow
+$280M
Cap. Flow %
1.36%
Top 10 Hldgs %
79.59%
Holding
1,244
New
524
Increased
170
Reduced
136
Closed
374

Top Buys

Rank Stock Value
1
DNB
Dun & Bradstreet
DNB
+$95.2M
2
SWTX
SpringWorks Therapeutics
SWTX
+$91.3M
3
TXNM
TXNM Energy Inc
TXNM
+$89.9M
4
SKX
Skechers
SKX
+$81.4M
5
AVDX
AvidXchange
AVDX
+$76.2M

Top Sells

Rank Stock Value
1
BECN
Beacon Roofing Supply, Inc.
BECN
+$92.1M
2
DFS
Discover Financial Services
DFS
+$86.6M
3
VRN
Veren
VRN
+$83.7M
4
PYCR
Paycor HCM, Inc. Common Stock
PYCR
+$82.4M
5
BERY
Berry Global Group, Inc.
BERY
+$78.1M

Sector Composition

Rank Sector Weight
1 Technology 79.1%
2 Financials 5.67%
3 Healthcare 2.17%
4 Industrials 1.84%
5 Communication Services 1.27%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SDHI
51
Siddhi Acquisition Corp
SDHI
$364M
$17.7M 0.09%
+1,750,000
New +$17.7M
SZZL
52
Sizzle Acquisition Corp II
SZZL
$325M
$17.6M 0.09%
+1,750,000
New +$17.5M
TACO
53
Berto Acquisition Corp
TACO
$392M
$17.1M 0.08%
+1,650,000
New +$17.2M
GRAF
54
Graf Global Corp
GRAF
$153M
$16.9M 0.08%
+1,613,354
New +$16.7M
IMSR
55
Terrestrial Energy
IMSR
$531M
$16.5M 0.08%
1,397,166
-562,032
-29% -$6.25M
NEE.PRS
56
NextEra Energy 7.299% Corporate Units
NEE.PRS
$2.16B
$16.5M 0.08%
350,000
– –
HYG icon
57
PUT
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$15.9B
$15.5M 0.08%
195,000
– –
GSRT
58
DELISTED
GSR III Acquisition Corp
GSRT
$15.5M 0.08%
+1,410,000
New +$14.7M
PMTR
59
Perimeter Acquisition Corp I
PMTR
$320M
$15.3M 0.07%
+1,500,000
New +$15.2M
FERA
60
Fifth Era Acquisition Corp I
FERA
$326M
$15.2M 0.07%
+1,500,000
New +$15.1M
BLUWU
61
Blue Water Acquisition Corp III Unit
BLUWU
$15M 0.07%
+1,500,000
New +$15M
NTWO
62
Newbury Street II Acquisition Corp
NTWO
$14.9M 0.07%
+1,450,000
New +$14.7M
HPE.PRC
63
Hewlett Packard Enterprise 7.625% Series C Preferred Stock
HPE.PRC
$3.67B
$14.8M 0.07%
250,000
– –
POLE
64
Andretti Acquisition Corp II
POLE
$319M
$14.5M 0.07%
+1,400,000
New +$14.4M
TVACU
65
Texas Ventures Acquisition III Corp Unit
TVACU
$14.4M 0.07%
+1,400,000
New +$14.1M
TDAC
66
Translational Development Acquisition Corp
TDAC
$207M
$13.3M 0.06%
+1,300,000
New +$13.2M
SVCC
67
Stellar V Capital Corp
SVCC
$229M
$13.3M 0.06%
+1,300,000
New +$13.1M
ATII
68
Archimedes Tech SPAC Partners II Co
ATII
$315M
$13.2M 0.06%
+1,300,000
New +$13.1M
OYSEU
69
Oyster Enterprises II Acquisition Corp Units
OYSEU
$13.2M 0.06%
+1,300,000
New +$13.1M
WLAC
70
DELISTED
Willow Lane Acquisition Corp
WLAC
$12.9M 0.06%
+1,250,000
New +$12.6M
NHIC
71
NewHold Investment Corp III
NHIC
$297M
$12.7M 0.06%
+1,250,000
New +$12.6M
KFII
72
K&F Growth Acquisition Corp II
KFII
$416M
$12.7M 0.06%
+1,250,000
New +$12.6M
OBAWU
73
Oxley Bridge Acquisition Ltd Unit
OBAWU
$12.5M 0.06%
+1,250,000
New +$12.5M
BACCU
74
Blue Acquisition Corp Unit
BACCU
$200M
$12M 0.06%
+1,200,000
New +$12.1M
BRDG
75
DELISTED
Bridge Investment Group
BRDG
$11.2M 0.05%
1,117,825
+838,026
+300% +$7.81M
1 2
3
4 5

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Magnetar Financial's Q2 2025 Portfolio in Review

As of Q2 2025, Magnetar Financial held 1,244 positions worth $20.7B, up 171% from $7.61B the previous quarter. Its ten largest holdings account for 80% of the portfolio.

Magnetar Financial's Q2 2025 filing shows 524 new, 170 increased, 136 reduced and 374 closed positions. Its largest new stake was Dun & Bradstreet: 10,636,170 shares worth $96.7M. The largest sale was Beacon Roofing Supply, Inc., an estimated $92.1M.

By sector, the portfolio is most concentrated in Technology at 79% of assets, up from 53% a quarter earlier, followed by Financials and Healthcare.

  • Magnetar Financial's largest Q2 2025 buy was Dun & Bradstreet: 10,636,170 shares worth $96.7M.
  • Magnetar Financial added most to Blueprint Medicines in Q2 2025, an estimated $75.4M increase.
  • Magnetar Financial's biggest Q2 2025 reduction was M3-Brigade Acquisition V Corp Units, cutting an estimated $30.3M.
  • Magnetar Financial fully exited Beacon Roofing Supply, Inc. in Q2 2025, selling an estimated $92.1M.
  • Magnetar Financial's ten largest holdings make up 80% of its $20.7B portfolio in Q2 2025.
  • Magnetar Financial opened 524 new positions and closed 374 in Q2 2025.
  • Magnetar Financial's portfolio value rose 171% quarter-over-quarter to $20.7B.

Based on Magnetar Financial's 13F filing for Q2 2025, filed 12 Aug 2025.