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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 | |
|---|---|---|---|---|---|---|
676
Baker Hughes
BKR
$56.8B
| $400K | ﹤0.01% |
+6,600
| New | +$382K |
|
677
CoStar Group
CSGP
$11.3B
| $400K | ﹤0.01% |
+9,789
| New | +$510K |
|
678
Amphenol
APH
$188B
| $400K | ﹤0.01% |
+3,355
| New | +$472K |
|
679
PROG Holdings
PRG
$1.75B
| $399K | ﹤0.01% |
+13,905
| New | +$449K |
|
|
TWFG
680
TWFG Inc
TWFG
$342M
| $399K | ﹤0.01% |
+21,683
| New | +$480K |
|
681
Nature's Sunshine
NATR
$359M
| $394K | ﹤0.01% |
+16,419
| New | +$407K |
|
|
BLD
682
DELISTED
TopBuild
BLD
| $390K | ﹤0.01% |
1,110
+61
| +6% | +$27.3K |
|
683
Gilat Satellite Networks
GILT
$810M
| $389K | ﹤0.01% |
25,872
+10,440
| +68% | +$174K |
|
684
EverQuote
EVER
$886M
| $387K | ﹤0.01% |
+25,120
| New | +$475K |
|
685
PNC Financial Services
PNC
$100B
| $387K | ﹤0.01% |
+1,920
| New | +$418K |
|
686
FTI Consulting
FCN
$4.82B
| $387K | ﹤0.01% |
2,189
-17,492
| -89% | -$2.98M |
|
687
Minerals Technologies
MTX
$2.31B
| $384K | ﹤0.01% |
+5,408
| New | +$372K |
|
688
Kulicke & Soffa
KLIC
$5.3B
| $383K | ﹤0.01% |
5,833
-8,501
| -59% | -$540K |
|
689
Flowserve
FLS
$9.25B
| $382K | ﹤0.01% |
+5,198
| New | +$412K |
|
690
Advance Auto Parts
AAP
$3.37B
| $382K | ﹤0.01% |
+7,234
| New | +$362K |
|
|
GSRFR
691
GSR IV Acquisition Corp Rights
GSRFR
| $381K | ﹤0.01% |
+178,568
| New | +$460K |
|
692
Chewy
CHWY
$8.54B
| $380K | ﹤0.01% |
14,090
-1,067
| -7% | -$29.7K |
|
693
Champion Homes
SKY
$4.48B
| $379K | ﹤0.01% |
+5,097
| New | +$439K |
|
694
Intuit
INTU
$81.1B
| $378K | ﹤0.01% |
+882
| New | +$421K |
|
695
Healthcare Realty
HR
$7.42B
| $376K | ﹤0.01% |
+22,157
| New | +$389K |
|
696
Mastercard
MA
$477B
| $375K | ﹤0.01% |
760
-857
| -53% | -$451K |
|
|
SNDK
697
Sandisk
SNDK
$213B
| $372K | ﹤0.01% |
+650
| New | +$367K |
|
|
MNTN
698
MNTN Inc
MNTN
$634M
| $371K | ﹤0.01% |
+42,210
| New | +$422K |
|
|
SDHIR
699
Siddhi Acquisition Corp Right
SDHIR
| $371K | ﹤0.01% |
1,750,000
| – | – |
|
700
Devon Energy
DVN
$51.9B
| $371K | ﹤0.01% |
+7,198
| New | +$309K |
|
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.