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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 | |
|---|---|---|---|---|---|---|
751
Revolve Group
RVLV
$1.79B
| $310K | ﹤0.01% |
+13,718
| New | +$360K |
|
752
HCI Group
HCI
$2.28B
| $310K | ﹤0.01% |
+2,005
| New | +$328K |
|
|
TACHW
753
Titan Acquisition Corp Warrants
TACHW
| $308K | ﹤0.01% |
1,100,000
| – | – |
|
754
JFrog
FROG
$9.71B
| $305K | ﹤0.01% |
6,495
-861
| -12% | -$42.3K |
|
|
SIMAW
755
SIM Acquisition Corp I Warrant
SIMAW
| $304K | ﹤0.01% |
972,598
| – | – |
|
|
ALDFW
756
Aldel Financial II Inc Warrants
ALDFW
| $304K | ﹤0.01% |
949,549
| – | – |
|
757
Movado Group
MOV
$812M
| $302K | ﹤0.01% |
+12,356
| New | +$292K |
|
758
NVE Corp
NVEC
$569M
| $287K | ﹤0.01% |
+4,377
| New | +$295K |
|
759
Rockwell Automation
ROK
$51.4B
| $286K | ﹤0.01% |
820
-67
| -8% | -$26.4K |
|
760
PAR Technology
PAR
$637M
| $286K | ﹤0.01% |
+21,421
| New | +$503K |
|
761
Enova International
ENVA
$5.91B
| $283K | ﹤0.01% |
+2,080
| New | +$310K |
|
762
Microsoft
MSFT
$2.84T
| $282K | ﹤0.01% |
786
-445
| -36% | -$186K |
|
|
NHICW
763
NewHold Investment Corp III Warrants
NHICW
$20.4M
| $281K | ﹤0.01% |
625,000
| – | – |
|
764
Indivior Pharmaceuticals
INDV
$4.79B
| $279K | ﹤0.01% |
9,153
+562
| +7% | +$18.6K |
|
|
SVACW
765
DELISTED
Spring Valley Acquisition Corp III Warrant
SVACW
| $279K | ﹤0.01% |
268,080
| – | – |
|
766
Graco
GGG
$12.9B
| $278K | ﹤0.01% |
+3,288
| New | +$291K |
|
767
BorgWarner
BWA
$13.2B
| $278K | ﹤0.01% |
+5,294
| New | +$279K |
|
|
MBAVW
768
DELISTED
M3-Brigade Acquisition V Corp Warrant
MBAVW
| $278K | ﹤0.01% |
1,030,100
-7,147
| -0.7% | -$4.86K |
|
769
F5
FFIV
$22.1B
| $278K | ﹤0.01% |
+993
| New | +$275K |
|
770
Ooma
OOMA
$550M
| $275K | ﹤0.01% |
+18,883
| New | +$237K |
|
771
Jabil
JBL
$32.8B
| $275K | ﹤0.01% |
1,110
-14,022
| -93% | -$3.53M |
|
772
Miller Industries
MLR
$586M
| $274K | ﹤0.01% |
+6,006
| New | +$256K |
|
|
IEAGR
773
Infinite Eagle Acquisition Corp Rights
IEAGR
| $270K | ﹤0.01% |
+1,500,000
| New | +$282K |
|
774
Theravance Biopharma
TBPH
$874M
| $268K | ﹤0.01% |
16,503
-474
| -3% | -$8.39K |
|
775
United Natural Foods
UNFI
$3.01B
| $265K | ﹤0.01% |
+5,876
| New | +$225K |
|
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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.