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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
-18.31%
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
$10.2B
AUM Growth
-$6.3B
(-38%)
Cap. Flow
-$1.76B
Cap. Flow
% of AUM
-17.26%
Top 10 Holdings %
Top 10 Hldgs %
56.41%
Holding
1,310
New
462
Increased
107
Reduced
157
Closed
414
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
CMA
Comerica
CMA
|
+$91.8M |
| 2 |
REVG
REV Group
REVG
|
+$90.3M |
| 3 |
Kenvue
KVUE
|
+$86.1M |
| 4 |
RNAM
Avidity Biosciences
RNAM
|
+$74.8M |
| 5 |
Warner Bros
WBD
|
+$74.4M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
CRWV
CoreWeave
CRWV
|
+$1.4B |
| 2 |
MRUS
Merus
MRUS
|
+$98.4M |
| 3 |
K
Kellanova
K
|
+$93.8M |
| 4 |
AVDX
AvidXchange
AVDX
|
+$84.2M |
| 5 |
WNS
WNS Holdings
WNS
|
+$83.8M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 53.79% |
| 2 | Financials | 14.35% |
| 3 | Industrials | 5.38% |
| 4 | Healthcare | 4.38% |
| 5 | Communication Services | 3.15% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
MLNK
1101
DELISTED
MeridianLink
MLNK
| – | – |
-358,926
| Closed | -$7.15M |
|
|
CALY
1102
Callaway Golf Company
CALY
$3.28B
| – | – |
-40,065
| Closed | -$381K |
|
1103
Morningstar
MORN
$7.55B
| – | – |
-28,188
| Closed | -$6.54M |
|
|
MRC
1104
DELISTED
MRC Global
MRC
| – | – |
-633,764
| Closed | -$9.14M |
|
1105
Merck
MRK
$322B
| – | – |
-7,366
| Closed | -$618K |
|
1106
Moderna
MRNA
$21.6B
| – | – |
-20,587
| Closed | -$532K |
|
|
MRUS
1107
DELISTED
Merus
MRUS
| – | – |
-1,045,209
| Closed | -$98.4M |
|
1108
MSC Industrial Direct
MSM
$6.76B
| – | – |
-4,032
| Closed | -$372K |
|
1109
Strategy Inc
MSTR
$34.1B
| – | – |
-64
| Closed | -$20.6K |
|
1110
Meritage Homes
MTH
$4.78B
| – | – |
-19,823
| Closed | -$1.44M |
|
1111
MACOM Technology Solutions
MTSI
$17.4B
| – | – |
-9,945
| Closed | -$1.24M |
|
1112
MaxLinear
MXL
$5.19B
| – | – |
-13,958
| Closed | -$224K |
|
1113
Nasdaq
NDAQ
$53.4B
| – | – |
-19,827
| Closed | -$1.75M |
|
1114
NextEra Energy
NEE
$185B
| – | – |
-2,621
| Closed | -$198K |
|
1115
NRG Energy
NRG
$26.2B
| – | – |
-30,257
| Closed | -$4.9M |
|
1116
Nurix Therapeutics
NRIX
$2.45B
| – | – |
-22,535
| Closed | -$208K |
|
1117
Natera
NTRA
$36.4B
| – | – |
-16,650
| Closed | -$2.68M |
|
1118
NVR
NVR
$17.1B
| – | – |
-57
| Closed | -$458K |
|
1119
NexGen Energy
NXE
$5.91B
| – | – |
-12,521
| Closed | -$112K |
|
1120
NXP Semiconductors
NXPI
$60.8B
| – | – |
-8,207
| Closed | -$1.87M |
|
1121
Nextpower Inc
NXT
$14.1B
| – | – |
-8,476
| Closed | -$627K |
|
1122
New York Times
NYT
$12.6B
| – | – |
-26,779
| Closed | -$1.54M |
|
1123
Owens Corning
OC
$11B
| – | – |
-56,847
| Closed | -$8.04M |
|
1124
Orion
OEC
$403M
| – | – |
-56,625
| Closed | -$429K |
|
1125
OFG Bancorp
OFG
$2.21B
| – | – |
-12,450
| Closed | -$541K |
|
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Magnetar Financial's Q4 2025 Portfolio in Review
As of Q4 2025, Magnetar Financial held 1,310 positions worth $10.2B, down 38% from $16.5B the previous quarter. Its ten largest holdings account for 56% of the portfolio.
Magnetar Financial withdrew a net $1.76B in Q4 2025, closing 414 positions and reducing 157 holdings. Its most notable exit was Merus, an estimated $98.4M position sold in full.
By sector, the portfolio is most concentrated in Technology at 54% of assets, down from 72% a quarter earlier, followed by Financials and Industrials.
Against the trend, Magnetar Financial opened a new position in Comerica worth $99.1M.
- Magnetar Financial's largest Q4 2025 buy was Comerica: 1,139,969 shares worth $99.1M.
- Magnetar Financial added most to Qorvo in Q4 2025, an estimated $47.5M increase.
- Magnetar Financial's biggest Q4 2025 reduction was CoreWeave, cutting an estimated $1.4B.
- Magnetar Financial fully exited Merus in Q4 2025, selling an estimated $98.4M.
- Magnetar Financial's ten largest holdings make up 56% of its $10.2B portfolio in Q4 2025.
- Magnetar Financial opened 462 new positions and closed 414 in Q4 2025.
- Magnetar Financial's portfolio value fell 38% quarter-over-quarter to $10.2B.
Based on Magnetar Financial's 13F filing for Q4 2025, filed 17 Feb 2026.