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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 | |
|---|---|---|---|---|---|---|
1176
SM Energy
SM
$7.6B
| – | – |
-53,015
| Closed | -$1.32M |
|
1177
Simply Good Foods
SMPL
$907M
| – | – |
-141,076
| Closed | -$3.5M |
|
1178
SharkNinja
SN
$22.5B
| – | – |
-27,714
| Closed | -$2.86M |
|
1179
Snowflake
SNOW
$98.1B
| – | – |
-1,282
| Closed | -$289K |
|
1180
SoFi Technologies
SOFI
$19.6B
| – | – |
-25,566
| Closed | -$675K |
|
1181
S&P Global
SPGI
$124B
| – | – |
-13,713
| Closed | -$6.67M |
|
1182
SiriusPoint
SPNT
$3.03B
| – | – |
-30,662
| Closed | -$555K |
|
|
SPR
1183
DELISTED
Spirit AeroSystems
SPR
| – | – |
-1,083,026
| Closed | -$41.8M |
|
1184
Sportradar
SRAD
$4.42B
| – | – |
-13,035
| Closed | -$351K |
|
1185
Scholar Rock
SRRK
$5.88B
| – | – |
-6,123
| Closed | -$228K |
|
1186
SS&C Technologies
SSNC
$18.9B
| – | – |
-22,820
| Closed | -$2.03M |
|
1187
Sensient Technologies
SXT
$5.22B
| – | – |
-71,636
| Closed | -$6.72M |
|
1188
AT&T
T
$164B
| – | – |
-108,985
| Closed | -$3.08M |
|
1189
Texas Capital Bancshares
TCBI
$4.28B
| – | – |
-8,398
| Closed | -$710K |
|
1190
Atlassian
TEAM
$26.5B
| – | – |
-6,566
| Closed | -$1.05M |
|
1191
Bio-Techne
TECH
$11.2B
| – | – |
-15,337
| Closed | -$853K |
|
1192
Timken Company
TKR
$9.19B
| – | – |
-5,219
| Closed | -$392K |
|
1193
TMC The Metals Company
TMC
$1.49B
| – | – |
-50,260
| Closed | -$8.95K |
|
1194
Thermo Fisher Scientific
TMO
$214B
| – | – |
-479
| Closed | -$232K |
|
1195
T-Mobile US
TMUS
$195B
| – | – |
-21,363
| Closed | -$5.11M |
|
1196
Trex
TREX
$4.4B
| – | – |
-69,467
| Closed | -$3.59M |
|
1197
Thomson Reuters
TRI
$46.4B
| – | – |
-49,643
| Closed | -$7.83M |
|
|
TRML
1198
DELISTED
Tourmaline Bio
TRML
| – | – |
-966,129
| Closed | -$46.2M |
|
1199
Telus
TU
$17.4B
| – | – |
-21,013
| Closed | -$331K |
|
1200
Tradeweb Markets
TW
$23B
| – | – |
-56,134
| Closed | -$6.23M |
|
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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.