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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
+7.2%
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
$9.84B
AUM Growth
-$362M
(-3.5%)
Cap. Flow
-$305M
Cap. Flow
% of AUM
-3.09%
Top 10 Holdings %
Top 10 Hldgs %
55.7%
Holding
1,493
New
604
Increased
145
Reduced
173
Closed
363
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Penumbra
PEN
|
+$85.1M |
| 2 |
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 | Industrials | 4.76% |
| 4 | Healthcare | 4.19% |
| 5 | Materials | 2.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
801
Universal Insurance Holdings
UVE
$1.16B
| $255K | ﹤0.01% |
7,469
+380
| +5% | +$12.2K |
|
802
Ingles Markets
IMKTA
$1.63B
| $255K | ﹤0.01% |
+2,834
| New | +$230K |
|
803
West Fraser Timber
WFG
$5.18B
| $254K | ﹤0.01% |
+3,895
| New | +$263K |
|
804
Chipotle Mexican Grill
CMG
$40.8B
| $254K | ﹤0.01% |
8,156
-87,081
| -91% | -$3.22M |
|
805
DexCom
DXCM
$27.6B
| $254K | ﹤0.01% |
4,099
-10,192
| -71% | -$710K |
|
806
Green Brick Partners
GRBK
$3.13B
| $254K | ﹤0.01% |
+3,934
| New | +$277K |
|
807
Tennant Co
TNC
$1.5B
| $253K | ﹤0.01% |
+3,817
| New | +$277K |
|
808
lululemon athletica
LULU
$13B
| $253K | ﹤0.01% |
+1,733
| New | +$311K |
|
809
Supernus Pharmaceuticals
SUPN
$2.68B
| $252K | ﹤0.01% |
+4,881
| New | +$249K |
|
810
Syndax Pharmaceuticals
SNDX
$1.84B
| $252K | ﹤0.01% |
+10,791
| New | +$234K |
|
811
World Kinect Corp
WKC
$1.96B
| $252K | ﹤0.01% |
+10,926
| New | +$277K |
|
|
SLDE
812
Slide Insurance Holdings
SLDE
$2.32B
| $252K | ﹤0.01% |
+13,995
| New | +$245K |
|
813
Alcon
ALC
$33.1B
| $251K | ﹤0.01% |
3,337
+87
| +3% | +$6.94K |
|
814
Teekay Tankers
TNK
$2.63B
| $250K | ﹤0.01% |
3,406
-2,221
| -39% | -$149K |
|
815
Kura Sushi USA
KRUS
$537M
| $249K | ﹤0.01% |
+3,569
| New | +$239K |
|
|
DFTX
816
Definium Therapeutics
DFTX
$5.73B
| $249K | ﹤0.01% |
+13,178
| New | +$224K |
|
817
Ryan Specialty Holdings
RYAN
$5.41B
| $248K | ﹤0.01% |
+7,348
| New | +$314K |
|
|
NPKI
818
NPK International
NPKI
$1.21B
| $246K | ﹤0.01% |
16,993
-15,034
| -47% | -$209K |
|
819
Rush Enterprises Class A
RUSHA
$5.95B
| $245K | ﹤0.01% |
+3,707
| New | +$244K |
|
820
Heritage Insurance Holdings
HRTG
$842M
| $244K | ﹤0.01% |
9,296
-3,867
| -29% | -$102K |
|
821
Climb Global Solutions
CLMB
$473M
| $243K | ﹤0.01% |
+12,267
| New | +$318K |
|
822
Moody's
MCO
$81.7B
| $242K | ﹤0.01% |
+559
| New | +$264K |
|
|
RANGR
823
Range Capital Acquisition Corp Rights
RANGR
| $240K | ﹤0.01% |
800,000
| – | – |
|
824
Healthcare Services Group
HCSG
$1.56B
| $240K | ﹤0.01% |
+12,937
| New | +$255K |
|
|
FLG
825
Flagstar Bank National Association
FLG
$5.77B
| $240K | ﹤0.01% |
18,221
-78,390
| -81% | -$1.03M |
|
Similar funds
HI
MPI
URS
FPAS
CCM
OAM
FCM
HL
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 withdrew a net $305M in Q1 2026, closing 363 positions and reducing 173 holdings. Its most notable exit was Comerica, an estimated $99.1M position sold in full.
By sector, the portfolio is most concentrated in Technology at 53% of assets, down from 54% a quarter earlier, followed by Financials and Industrials.
Against the trend, Magnetar Financial opened a new position in Penumbra worth $82.6M.
- 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.