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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 | |
|---|---|---|---|---|---|---|
626
Boston Scientific
BSX
$65.8B
| $496K | 0.01% |
7,883
-3,958
| -33% | -$317K |
|
627
Global Industrial
GIC
$1.34B
| $496K | 0.01% |
+15,728
| New | +$495K |
|
|
MLACR
628
DELISTED
Mountain Lake Acquisition Corp Right
MLACR
| $494K | 0.01% |
1,900,000
| – | – |
|
629
RB Global
RBA
$20.8B
| $488K | 0.01% |
5,091
-2,345
| -32% | -$249K |
|
630
Meta Platforms (Facebook)
META
$1.51T
| $486K | ﹤0.01% |
+907
| New | +$581K |
|
|
WCN
631
Waste Connections
WCN
$42.8B
| $479K | ﹤0.01% |
2,951
+26
| +0.9% | +$4.33K |
|
632
D-Wave Quantum
QBTS
$6B
| $479K | ﹤0.01% |
33,173
-29,614
| -47% | -$627K |
|
633
Ezcorp Inc
EZPW
$1.82B
| $475K | ﹤0.01% |
+18,720
| New | +$449K |
|
634
Caleres
CAL
$396M
| $475K | ﹤0.01% |
45,040
+26,963
| +149% | +$321K |
|
635
Canadian Imperial Bank of Commerce
CM
$107B
| $475K | ﹤0.01% |
5,010
-20,149
| -80% | -$1.93M |
|
636
Booking.com
BKNG
$138B
| $474K | ﹤0.01% |
+2,875
| New | +$529K |
|
637
Klaviyo
KVYO
$4.91B
| $473K | ﹤0.01% |
+24,314
| New | +$522K |
|
638
Allot
ALLT
$374M
| $472K | ﹤0.01% |
70,842
+7,564
| +12% | +$66.6K |
|
639
Popular Inc
BPOP
$11B
| $471K | ﹤0.01% |
3,510
-26,795
| -88% | -$3.59M |
|
640
SPX Corp
SPXC
$11B
| $469K | ﹤0.01% |
2,347
+602
| +34% | +$129K |
|
641
Medpace
MEDP
$16.8B
| $469K | ﹤0.01% |
977
-1,641
| -63% | -$840K |
|
642
QuinStreet
QNST
$870M
| $469K | ﹤0.01% |
39,049
-8,737
| -18% | -$111K |
|
643
Dentsply Sirona
XRAY
$2.59B
| $467K | ﹤0.01% |
40,265
+10,759
| +36% | +$134K |
|
644
Xeris Biopharma Holdings
XERS
$1.44B
| $460K | ﹤0.01% |
+79,302
| New | +$526K |
|
645
Huntsman Corp
HUN
$2.24B
| $453K | ﹤0.01% |
+34,065
| New | +$413K |
|
|
PMTRW
646
Perimeter Acquisition Corp I Warrant
PMTRW
$11.1M
| $450K | ﹤0.01% |
750,000
| – | – |
|
647
Uranium Energy
UEC
$4.71B
| $449K | ﹤0.01% |
+33,225
| New | +$512K |
|
|
VSXY
648
Victoria's Secret
VSXY
$6.64B
| $446K | ﹤0.01% |
9,613
+5,417
| +129% | +$302K |
|
649
Comcast
CMCSA
$79.1B
| $442K | ﹤0.01% |
15,305
-71,383
| -82% | -$2.14M |
|
|
KCHVR
650
Kochav Defense Acquisition Corp Right
KCHVR
| $437K | ﹤0.01% |
1,900,000
| – | – |
|
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.